Chinese character inputting method based on phonitical elements and shape elements and keyboard thereof

Accurate time measurement method based on OFCDM

The invention discloses an accurate time measurement method based on OFCDM. Based on an OFCDM system, characteristics of two-dimensional spread spectrum are adopted, and different orthogonal two-dimensional codes are used for communication and measurement of accurate time respectively. Accurate time measurement is carried out in a pilot frequency code channel based on accurate phase measurement of subcarriers. According to the method, accurate time errors among nodes are obtained, meanwhile, the largest unambiguous range of time measurement is not influenced, and normal LPI communication is not influenced. Compared with demodulation of a communication signal, the whole operation process only involves partial algorithm operations and does not involve FFT, inversion, characteristic decomposition and other complicated operations, and therefore the method is simple and little in calculation amount, different time frequency diversity gains can be obtained through changes of spreading factors ...

College music play theory learning device

The utility model belongs to the technical field of music teaching aids, and particularly relates to a college music play theory learning device which comprises a connecting box, a first motor and a fixing box, a display screen is embedded in the inner wall of the connecting box, a connecting plate is fixedly installed on the upper surface of the connecting box, and two fixed pulleys are rotationally connected to the front side of the connecting plate through rotating rods. A rotating rod of the fixed pulley located on the right side extends to the rear side of the connecting plate and is fixedly connected with an output shaft of a first motor, the first motor is fixedly connected with the connecting plate, a traction rope is slidably connected to the outer side of the fixed pulley, a fixing rod is fixedly installed on the front side of the connecting box, and the outer side of the fixing rod is slidably sleeved with two sliding blocks; the upper surface of the sliding block located on ...

Application of PLK4 gene in treatment of acute myelogenous leukemia

The invention belongs to the technical field of biological medicines, and particularly relates to application of a PLK4 gene in treatment of acute myelogenous leukemia. The technical problem to be solved by the invention is to provide a new molecular target for treating acute myelogenous leukemia. The expression level of PLK4 in acute myelogenous leukemia is higher than that of healthy people; by inhibiting the PLK4, the growth capability of leukemia cells can be effectively inhibited, and a Wnt/beta-catenin pathway can be inhibited. The invention provides a new thought for further researching the pathogenesis of acute myelogenous leukemia and the action mechanism of PLK4.

Shaping device

The shaping device comprises a base, a pushing column, a shaping rod, a roller and a shaping air cylinder, the shaping air cylinder is arranged at the bottom side end of the base, a penetrating hole is formed in the center of the base, the lower end of the pushing column is connected with the output end of the shaping air cylinder, and the upper end of the pushing column penetrates through the penetrating hole and is located above the base; the number of the shaping rods is multiple, the multiple shaping rods are slidably arranged at the top side end of the base at equal intervals with the penetrating hole as the center, the lower end of the side, opposite to the penetrating hole, of each shaping rod abuts against the opposite side wall of the pushing column through the corresponding assembled rolling wheel, and the abutting face, used for abutting against the rolling wheels, of the pushing column is an inclined face or a curved face correspondingly. The upper ends of the shaping rods are ...

Control method of coefficient-variable uncoiler

The invention discloses a control method of a coefficient-variable uncoiler. The control method comprises the following steps: during operation of a strip steel processing line, a control chip selects coefficients of a moment adjustor of the uncoiler according to thickness and yield strength of the strip steel; a transmission device of the uncoiler adjusts moment output of the uncoiler according to the coefficients of the moment adjustor sent by the control chip; the tension of the strip steel in the uncoiler area on the processing line is calculated as per the formula: Qn is equal to A*GAIN*DEVn+A*GAIN* (T0/Tn-1)*DEVn-1+Qn-1. The control method disclosed by the invention has the benefit that the automatic control is realized during acceleration, deceleration and steady state.

Inclined magnetic tunnel junction memory based on Bi2Se3-doped lithium atom substrate

The invention discloses an inclined magnetic tunnel junction memory based on a Bi2Se3-doped lithium atom substrate and a data read-write method.The structure of the memory comprises a top electrode, an SOT-MTJ and a substrate which are sequentially arranged from top to bottom, and the SOT-MTJ comprises a reference layer, a tunneling layer, a heavy metal layer and a free layer which are sequentially arranged from top to bottom; the substrate is of a Bi2Se3 and lithium atom doped graphene heterojunction structure. The substrate of the memory adopts a Bi2Se3 and lithium atom-doped graphene heterojunction structure, compared with an undoped graphene substrate, the transmission coefficient of the substrate is improved, and the transmission coefficients are different when the lithium atoms are doped on the surface of the graphene and doped in the graphene, so that two logics of '0' and '1' can be realized; in addition, the transmission coefficient of the substrate can be further changed by applying ...

Intelligence house sensor

The utility model discloses an intelligence house sensor, including well accuse ware, well accuse ware one side is connected with the connector, the connector number of pass has temperature and humidity sensor, smoke transducer, motion sensor and harmful gas sensor according to the line connection, well accuse ware passes through the connecting wire and is connected with audible -visual annunciator, well accuse ware passes through the data line and is connected with the wireless networking ware. In the carrier roller device, at first through being provided with temperature and humidity sensorrespectively, smoke transducer, motion sensor and harmful gas sensor, can monitor the temperature and humidity environment in the family respectively, fire monitoring, safety monitoring in the family,and coal gas, gaseous leak testing such as liquefied gas, make this intelligence house sensor, the wide range of monitoring, more comprehensive of effect, and the present invention has higher safety,secondly ...

Samsung earth time difference positioning method under non-convergence condition

The invention discloses a three-satellite earth time difference positioning method under a non-convergence condition, and the method comprises the following steps: respectively obtaining the time when a main satellite, a first auxiliary satellite and a second auxiliary satellite receive the same signal of a radiation source, and the coordinates of the corresponding moments of the three satellites; constructing two hyperboloids and an ellipsoid according to the time difference of the signal reaching the satellite and the earth curved surface; selecting a sub-satellite point T0 of a main satellite as an initial target point, respectively searching a point P1 closest to the target point on the first hyperboloid and a point P2 closest to the target point on the second hyperboloid, and then searching a point Tm which has the minimum sum of squares from the point P1 and the point P2 on the ellipsoid as a new target point; repeatedly executing the searching process until the coordinate value of ...

Dual-purpose cup

The invention provides a dual-purpose cup comprising a cup body, wherein an interlayer dividing the cup body into a left space and a right space is arranged in the cup body, particularly in the middle of the cup body; and sealing covers are arranged at the top parts of the right space and the left space. The dual-purpose cup of the invention has the advantages of simple structure, high portability and convenient use and serves as both a bottle and a pencil box.

Dense false target generation method based on segmentation reconstruction

The invention discloses a dense false target generation method based on segmented reconstruction, which is applied to an FPGA (Field Programmable Gate Array) provided with an IIR (Infinite Impulse Response) filter, a feedback branch of the IIR filter is provided with a register, a forward branch of the IIR filter is connected with an RAM (Random Access Memory), and the method comprises the following steps of: storing a signal acquired by a DRFM (Digital Radio Frequency Memory) into the RAM; according to the minimum segment length, signal segments of all moments are obtained from the DRFM in sequence, and accumulated values corresponding to all the moments are obtained after register delay and accumulation; after the obtained signal segments reach a given false target number M, according to the minimum segment length, sequentially obtaining signal segments before M moments from the initial position of the external RAM, and subtracting corresponding signal segment data obtained from the external ...

Rotor wing shielding resisting satellite communication method for helicopter

The invention provides a rotor wing shielding resisting satellite communication method for a helicopter. According to the technical scheme, the method comprises the steps of sending information to the helicopter in a framing retransmission manner by a remote communication terminal through satellite forwarding; detecting the signal by a receiver of the helicopter, estimating shielding parameters, performing diversity combining in the time domain to the received signal and demodulating the information of a base band; when a transmitter of the helicopter sends the information to the remote communication terminal, sending out the information to be transmitted when the signal is not shielded by a rotor wing, and detecting the effective information data segment by the remote communication terminal through a specific marking code after receiving the communication signal forwarded by the satellite. According to the rotor wing shielding resisting satellite communication method for the helicopter ...

GPS-assisted fast frequency hopping synchronization method

The invention discloses a GPS-assisted fast frequency hopping synchronization method. The method includes the steps of firstly building an accurate relation between frequency hopping sequences and time information; then fast calculating the state of the frequency hopping sequences at the current moment according to high-precision second pulses and other time information provided with a GPS, wherein the error range can be controlled to be within a quite small scope under the condition that the state of the frequency hopping sequences is controlled by the high-precision pulses per second; finally achieving accurate sequence synchronization with the self-synchronization method. By means of the GPS-assisted fast frequency hopping synchronization method, according to tactic and technological requirements of a frequency hopping communication system in practical application, rapid synchronization of a frequency hopping system is achieved for the long-period frequency hopping sequences, contradictions ...

Intelligent house is used to cloud with electric wire netting intelligent control of family

The utility model discloses an intelligent house is used to cloud with electric wire netting intelligent control of family, including information processor, information processor one side has connected gradually high -pressure consumer, power grid detecting equipment and low voltage electrical equipment, and the opposite side is connected with decoder and signal transceiver, and is connected withthe database above the decoder, the input of cloud processing circuit and the output electric connection of the circuit of adjusting, just the adjust input of circuit and input circuit and power supply circuit's output electric connection, the output of cloud processing circuit and the input electric connection of sorting circuit, and the output of sorting circuit and output circuit's input electric connection, output circuit's output and alarm circuit and signal transceiver's input electric connection. The utility model discloses in, this intelligence house overall structure reasonable in design ...

Steering roller control method for guaranteeing steering stability of strip steels on treatment line

The invention discloses a steering roller control method for guaranteeing steering stability of strip steels on a treatment line. The method comprises the following steps: (1) a PLC receives the yield strengths and the thickness parameters of the strip steels operating on the treatment line; (2) the steering roller moment control parameters Qn of the PLC are set according to the parameters; (3) when the strip steels operate on the treatment line with constant speed, steering roller moment controllers are controlled through setting the adjusting coefficients A as the minimum value; when the strip steels operate with decreased speed or increased speed, the adjusting coefficients A of all the steering roller moment controllers are increased; and when the accelerations of the strip steels operating with decreased or increased speed are beyond the acceleration change dead area range, the adjusting coefficients A of all the steering roller moment controllers are set as the maximum value. The ...

Multi-carrier-phase modulation and relevant demodulation method

The invention provides a novel signal modulation and demodulation method. According to the technical scheme, three coherent carriers are generated in a modulation process, a base band signal to be sent is deserialized into three base band signals, the three carriers are modulated respectively to obtain three modulation signals; and the three modulation signals are combined to obtain a multi-carrier-phase modulation signal. In a demodulation process, three local carrier signals are generated, and by mixing and matching filtering, three base band signals are obtained; and the three base band signals are subjected to coherent processing and parallel-to-serial conversion, and then originally-sent base band signals are obtained. The method has the advantages that the anti-interception capacity of the modulation signals is improved, the complexity is not increased, and engineering realization is easy.

Separately-excited synchronous motor magnetic flux orientation method

The invention discloses a separately-excited synchronous motor magnetic flux orientation method, which comprises the following steps of: performing 3/2 coordinate transformation on three phases of armature windings produced in the armature winding of a stator to obtain an alpha-axis electromotive force and a beta-axis electromotive force to acquire an initial rotor position angle; computing the tangent of a difference between a supposed actual rotor position angle and the initial rotor position angle; integrating the computed tangent, taking absolute values of a path of integrated signals, multiplying the absolute values by a certain coefficient, judging the variation trend of the other path of integrated signals, and performing pulse conversion processing on the two paths of processed integrated signals; performing proportional integral control operation on the computed tangent; correcting the signals subjected to the pulse conversion processing by using the signals subjected to the control ...

Interferometer direction finding and ambiguity resolution method and system for special-shaped array and medium

The invention discloses an interferometer direction-finding and ambiguity-resolving method and system for a special-shaped array and a medium. The method comprises the following steps: selecting two pairs of antenna array elements with longest base lines to form a first interferometer; calculating the maximum fuzzy number of the interferometer measurement phase difference according to the interferometer vector of the first interferometer, and calculating target unit vector coordinate estimated values corresponding to all fuzzy number combinations in a range taking the maximum fuzzy number as a boundary; enabling the remaining antenna array elements to form corresponding second interferometers, and calculating a cost function corresponding to all fuzzy number combinations according to the target unit vector coordinate estimated value and the measurement phase difference of each pair of second interferometers; and searching the minimum value of the cost function, taking the fuzzy number combination ...

Method for evaluating interference effect on communication satellite

The invention discloses a method for evaluating an interference effect on a communication satellite. The method comprises the following steps: S1, establishing a multi-level index system meeting evaluation requirements; and S2, establishing an evaluation model for performing interference efficiency evaluation. And S3, executing a satellite communication interference evaluation algorithm. The method has the advantages of simple principle, easiness in operation, good evaluation effect, wide application range and the like.

Inorganic reinforced fiber cotton board sound absorption system

The invention discloses an inorganic reinforced fiber cotton board sound absorption system, and relates to the technical field of building sound absorption, the system comprises a fiber cotton board, a covering layer, stitches and a surface coating; the covering layer is made of glass fiber mesh cloth, basalt fiber mesh cloth, aluminum foil or cloth; the fiber cotton plate is wrapped by the covering layer in a single-side, double-side or six-side manner; the sewing thread penetrates through the covering layer and the fiber cotton plate to sew the covering layer and the fiber cotton plate into a whole; the surface coating is provided with a porous sound-permeable sandstone layer; and the surface coating is coated on the surface of the covering layer. The inorganic reinforced fiber cotton board sound absorption system disclosed by the invention can achieve an ideal sound absorption effect.

Rail train operation distance real-time automatic acquisition method based on dynamic response

The invention discloses a dynamic response-based rail train operation distance real-time automatic acquisition method, which comprises the following steps of: acquiring vibration signals of a front train and a rear train, and setting signal interception windows on the vibration signals of the front train and the rear train by utilizing a computer program; through a mode of carrying out point-by-point search comparison on vibration signals in signal interception windows of a front vehicle and a rear vehicle, a time node of the vibration signals with the data similarity reaching the maximum in the signal interception windows of the front vehicle and the rear vehicle is searched, so that the time difference of the front vehicle and the rear vehicle passing through the same place is obtained; and then the running distance is calculated according to the running speed of the front vehicle and the running speed of the rear vehicle. The method determines that the trains pass through the same road ...

Large dynamic high-precision numerical control linear attenuator

The invention relates to a large dynamic high-precision numerical control linear attenuator. The attenuator is realized on the basis of attenuating networks, phase shift circuits and electronic switches and adopts a topological structure combining parallel connection and series connection. The attenuator is formed through the series connection of two attenuating modules of identical structures, the attenuating modules consist of two electronic switches and a plurality of parallel attenuating branch circuits positioned between the two electronic switches, and the attenuating branch circuits are further formed through the series connection of the attenuating networks and the phase shift circuits. The phase shift of the attenuator is consist in all attenuating states, the phases of output signals of the attenuator are kept unvaried when the attenuator is converted among the attenuating states, and high precision is realized in a wide temperature range and a large dynamic range. The attenuator ...

Seamless coefficient switching method for high-speed pulsation array filter

The invention provides a seamless coefficient switching technique for a high-speed array filter. Through the adoption of the seamless coefficient switching technique, the continuousness of outputting data signals by the filter is guaranteed not to be influenced by coefficient switching, the loss of calculation periods is reduced, the rise of logical complexity is controlled, and the seamless coefficient switching technique is suitable for high-speed filter processing of changeable coefficients of wide-band signals. The technical scheme of the seamless coefficient switching technique lies in that (1) various changed coefficients of the high-speed array filter are prepared in advance, or new coefficients are calculated in real time in advance, and the coefficients are stored in an independent double-port RAM (random-access memory); (2) one end of the double-port RAM is a coefficient writing-in port, and the other end of the double-port RAM is a loading port for the array filter; (3) the loading ...

Assembly device

The assembling device comprises a clamping air cylinder and a driving mechanism which are connected to the two sides of a four-axis robot, a clamping jaw connected to the output end of the clamping air cylinder, and a suction cup and a push block which are connected to the output end of the driving mechanism, and the four-axis robot is used for driving the clamping jaw, the suction cup and the push block to do reciprocating motion between a feeding disc and a clamping support carrier. The clamping air cylinder is used for driving the clamping jaw to move up and down, so that the clamping jaw clamps an SIM card tray on the feeding disc and vertically buckles the SIM card in a card tray groove of the card tray carrier, and the driving mechanism is used for driving the suction cup and the push block to swing and move up and down; the card tray carrier is provided with a plurality of card tray grooves, so that the suction cup can suck an SIM card placed in the placement groove of the card tray ...

Empty card tray loading device

The invention discloses an empty card tray loading device. Comprising a driving mechanism, an adsorption mechanism, a clamping mechanism and a separation mechanism, wherein the adsorption mechanism and the clamping mechanism are connected to the output end of the driving mechanism at an interval of a certain angle; the separation mechanism is arranged above the clamping mechanism and connected to the output end of the driving mechanism or arranged below a card tray carrier for placing an SIM card tray; the pushing mechanism is connected to the output end of the driving mechanism in a front-back movable mode beside the clamping mechanism, and the driving mechanism is used for driving the adsorption mechanism, the clamping mechanism, the separating mechanism and the pushing mechanism which are connected with the driving mechanism to do linear reciprocating motion and rotation, so that the adsorption mechanism sucks the SIM card on the front face of the SIM card holder from the top till the ...

Water pipe silencer

The invention relates to a water pipe silencer. The water pipe silencer comprises a water pipe and is characterized in that connecting flanges and transition cylinders connected with the connecting flanges are arranged at the two ends of a silencer body, with the joints between the connecting flanges and the transition cylinders as two end faces, a cylinder with the diameter several times larger than that of the water pipe is connected, the periphery of the inner side of the cylinder is lined with a rubber blanket, dense small holes evenly distributed are formed in the walls of the transition cylinders, the diameter of the small holes ranges from 1 mm to 5 mm, an acute angle is formed between the axis of each small hole and the axis of the corresponding transition cylinder, and the hole pitch of the small holes ranges from 10 mm to 20 mm in the transverse direction and ranges fro 15 mm and 25 mm in the vertical direction. The water pipe silencer has the advantage of resistance combination ...

Chinese character inputting method based phonitical elements and shape elements and keyboard thereof

The present invention is Chinese character input method using 23 sound code elements and 26 shape code elements. The sound code elements are the first letters in the Chinese character phonetics of a,b, c, d, e, f, g, h, j, k, l, m, n, o, p, q, r, s, t, w, x, y and z. Twenty six sets of shape code elements are formed by inducing the first vowel letter of initial consonant, single or compond vowelin pronunciation based on 318 wordroots. Two Chinese character input methods are included in the present invention with one for Know word and another one for unknown word. The method only uses 318 word roots with 26 sets of shape code element so it is easy to remember and to learn with high speed of inputting such as touch-typing.

Accurate phase measurement method of multipath multi-target echo signal

The present invention discloses an accurate phase measurement method of a multipath multi-target echo signal. The concrete steps of the method are that a sending terminal emits a narrow pulse signal, the initial phases of the front and back adjacent pulses keep a certain difference value, and the design of a pulse width guarantees that the echo signal possesses a certain distance resolution ratio; a receiving terminal selects a segment of received signal at the specific position in each pulse by taking a synchronization pulse provided by the sending terminal as reference, and splices the multiple segments into a continuous wave signal of a long cycle; the continuous wave signal of the long cycle is carried out the narrowband filtering to filter the noise outside the band and improve the signal to noise ratio of a to-be-processed signal; the phase value of the filtered signal is calculated by utilizing Fourier transform. Compared with other signal processing method, the beneficial effects ...

Revolving stage is used in test of sound scattering coefficient

The utility model relates to a revolving stage is used in test of sound scattering coefficient, including rotating platform and centre of turning circle axle, its characterized in that: revolving stage is used in test of sound scattering coefficient be rack roller type structure, rotating platform is diameter 3m's steel rotating circular disk, and pivoting part adopts the gyro wheel, relies on the rolling friction drive of gyro wheel the rotating circular disk rotate, the rotating circular disk bottom surface be equipped with with the endocentric ring type recess of rotating circular disk, inner ring radius of circle 0.8m, outer loop radius of circle 1.3m is equipped with four group's roller trains on the beneath groined type rack of rotating circular disk, every group roller train is equipped with two pair inside and outside totally four gyro wheels, in the inner ring circle recess of two gyro wheels embedding rotating circular disks of the inboard in the nearly rotating circular disk ...

Integrated proportional valve of gas

The utility model relates to a gas proportional valve technical field refers in particular to an integrated proportional valve of gas, including integrated valve body, valve bodies are adjusted including intake pipe and two to integrated valve body, and the intake pipe is fixed to be set up on the rear surface of integrated valve body, the intake pipe other end is connected with right side subchannel and left side subchannel, and subchannel one end intercommunication in right side parts a class chamber on the right side, and subchannel one end intercommunication in left side parts a class chamber on the left side, it is linked together with first regulation valve body to part class chamber one end on the right side, it is linked together with a second regulation valve body to part class chamber one end on the left side. Using the utility model discloses the time, through adjusting during valve bodies merge a whole two, both saved two branch gass pipes and a three way connection, both made ...

Dynamic threshold signal detection method based on morphological filtering and eigenvalue decomposition

The invention provides a dynamic threshold signal detection method based on morphological filtering and eigenvalue decomposition, and the method comprises the steps: receiving and sampling a signal, and calculating a sampling sequence of the received signal according to an average periodogram method to obtain an original power spectrum of the signal; sequentially carrying out starting operation of minimum filtering and morphological filtering on the original power spectrum, and then interpolating to the length of the original power spectrum to obtain a noise floor estimation sequence; subtracting the noise base estimation sequence from the original power spectrum to construct a Hankel matrix, performing eigenvalue decomposition to obtain each order component of the power spectrum after the noise base is removed, and taking the first order component as a reconstructed power spectrum; calculating the reconstructed power spectrum according to an iterative approximation algorithm to obtain ...

Coefficient-variable coiling machine controlling method

The invention discloses a coefficient-variable coiling machine controlling method. When a strip steel processing line is operated, according to the thickness and a yield strength of the strip steel, a control chip selects a force moment adjuster coefficient of a coiling machine and a transmission apparatus adjusts a force moment output of the coiling machine according to the force moment adjuster coefficient from the control chip, thereby control tension of the strip steel in the area of the coiling machine in the processing line. A formula is described as follows: Q=A*GAIN*DEV+A*GAIN*(T<0>/T-1*DEV+Q. The coefficient-variable coiling machine controlling method has beneficial effects of achieving automatic control during both acceleration and deceleration and a steady state.

Force moment adjuster coefficient tension roller control method

The invention discloses a force moment adjuster coefficient tension roller control method. When a strip steel processing line operates, strip steel operation parameters are obtained, and strip steel operates on the strip steel processing line. According to the strip steel operation parameters, the force moment adjuster coefficients of a tension roller are selected. According to the force moment adjuster coefficients, the force moment output of the tension roller is adjusted.

Embedded different side's nature conducting resin membrane structure of individual layer

The utility model provides an embedded different side's nature conducting resin membrane structure of individual layer, system establishes diaphragm form insulation rubber layer's a side surface into a reference surface, lays most conducting particless inside this insulation rubber layer, and makes each conducting particles with individual layer arrangement and this reference surface formation spacing distance, and this spacing distance is at least at 10% o'clock of this insulation rubber layer thickness, can produce the conducting particles catch rate and the lower perpendicular resistance characteristic of preferred, by this, can reduce the production and the use cost of different side's nature conductive film.

Hotel plug -in card formula intelligence guest room control box

The utility model discloses a hotel plug -in card formula intelligence guest room control box, including the control box body, the antetheca center department of control box body is equipped with thecontroller, the antetheca top of controller is equipped with the display screen, the lamp plate is installed to the opposite side of controller, the outer wall of lamp plate is equipped with the status display lamp, the internally mounted of control box body has battery module. In the carrier roller device, this hotel plug -in card formula intelligence guest room control box, it is mainly throughthe inside wall light control module of control box body, air conditioner control module, door lock control module and electric window curtain control module are respectively to the wall lamp in the hotel room, the air conditioner, lock and electric window curtain are controlled, through the integrated process module analysis received signal of telecommunication, it handles to carry out corresponding ...

Multi-modulation signal blind detection identification method and device, computer equipment and medium

The invention discloses a multi-modulation-signal blind detection and identification method and device, computer equipment and a medium, and the method comprises the steps: inputting a quasi-baseband signal of a modulation signal to be detected, and calculating a quartic spectrum of the quasi-baseband signal, the type of the modulation signal to be detected being one of GMSK, FQPSK and OQPSK modulation signals; extracting a maximum value spectrum peak amplitude value and a second maximum value spectrum peak amplitude value from the quartic spectrum; and judging the type of the modulation signal to be detected according to the magnitude relationship between the maximum spectrum peak amplitude and the second maximum spectrum peak amplitude. The GMSK, FQPSK and OQPSK modulation signal identification method can realize identification of GMSK, FQPSK and OQPSK modulation signals, and has the advantages of simple realization method, low cost, high identification efficiency and precision, small ...

Building construction elevator cable guide bracket

The invention discloses a building construction elevator cable guide bracket. The building construction elevator cable guide bracket comprises a guide bracket body, a cylinder at the end of a U-shaped bend of the guide bracket body is provided with a rotationally cooperating sleeve, the circumferential surface of the sleeve is provided with an enclosed rod opposite to the port of the U-shaped bend of the guide bracket body, the circumferential surface of the sleeve is provided with a swing rod vertical to the enclosed rod, and the lower end of the swing rod is provided with a suspension set weight. The building construction elevator cable guide bracket has the remarkable advantage of long service life.

Application of arginine metabolism and DNA demethylation related gene as marker and treatment target in tumor diagnosis and treatment

The invention discloses application of an arginine metabolism and DNA demethylation related gene as a marker and a therapeutic target in tumor diagnosis and treatment, and provides a new marker and a therapeutic target in tumors. The relationship between the tumor cell source arginine and tumor-related macrophage arginine metabolism and DNA demethylation is found, a plurality of markers related to tumor prognosis and tumor-related macrophages are provided, and treatment targets are provided based on the markers. In particular to application of arginine metabolism related genes ASS1 and ARG1, glycosidase TDG, arginine metabolite spermine and the like as markers to diagnosis of poor tumor progression and screening and/or preparation of drugs for treating tumors, and a new effective strategy is provided for malignant tumor treatment.

Building construction elevator cable saddle

The utility model discloses a building construction elevator cable saddle, including the saddle body, be equipped with normal running fit's sleeve on the cylinder of saddle body U type bent-up end head, this is telescopic to be equipped with that to seal the pole relative with curved mouthful of saddle body U type on global, telescopic be equipped with on global with the above-mentioned pole looks vertically pendulum rod that seals, the lower extreme of this pendulum rod is equipped with the weight. The utility model has the advantages of long service life is showing.

Variable coefficient loop control method

The invention discloses a variable coefficient loop control method. When a strip steel treatment line runs, a control chip selects coefficients of a loop winch torque adjuster according to the thickness and the yield strength of strip steel, a loop winch transmission device adjusts torque output of a loop winch according to the torque adjuster coefficients transmitted by the control chip, so that the tension of the strip steel in a loop area on the treatment line is controlled. The formula includes Qn=A*GAIN*DEVn+A*GAIN*(T0/Tn-1)*DEVn-1+Qn-1. The variable coefficient loop control method has the advantage that automatic control can be realized in acceleration and deceleration and in a steady state.

Industrial robot laser marking machine

The utility model relates to an industrial robot laser marking machine, including industrial robot mechanism and laser marking machine, the laser marking machine is connected in the robot wrist, industrial robot laser marking machine's control system PLC control system, PLC control system passes through field bus and is connected with control system of robot and laser marking control system, PLC control system and laser rangefinder unit, visual plane position finding unit, the long -range thing networking systems of visual detection recognition cell and GPRS links to each other, laser marking control system, visual detection recognition cell connects on computer control system, the long -range thing networking systems of GPRS gives computer control system through proprietary IP address with data transmission. The utility model discloses an industrial robot mixes fiber laser, can realize the operation of all -round, full automatic imitative people and beat the mark, and become flexible manufacturing ...

Coastal large-span flexible photovoltaic support system

A coastal large-span flexible photovoltaic support system disclosed by the present invention comprises a pile foundation, an anchoring foundation, a trailing and a keel steel frame, the anchoring foundation is fixed on the ground, the pile foundation is fixedly connected to the upper end of the anchoring foundation, the trailing is connected with the pile foundation by being fixed on the keel steel frame, the trailing comprises a windward side and a leeward side, and the windward side and the leeward side are fixed on the anchoring foundation. The windward side and the leeward side are respectively formed by splicing a plurality of triangular molds, the trailing is integrally streamlined, and flexible photovoltaic modules are arranged on the sunward sides of the triangular molds. According to the coastal large-span flexible photovoltaic support system provided by the invention, the structure of the keel steel frame is optimized, so that the wind resistance of the support is greatly improved ...

Ratio adjustment device of gas

The utility model relates to a gas cooking utensils technical field, in particular to ratio adjustment device of gas, including the module of admitting air, ending valve body and proportion valve body, the upper surface of the module of admitting air is provided with admit air chamber and locating hole, be provided with by chamber, air outlet channel and reposition of redundant personnel passageway by the valve body, air outlet channel's one end with be linked together by the chamber, air outlet channel's the other end is provided with and cuts the end of giving vent to anger, the proportion valve body is provided with the proportion chamber and than the end of giving vent to anger, the proportion chamber through than a flow channel with be linked together than the end of giving vent to anger, be linked together with the proportion chamber through the reposition of redundant personnel passageway by the chamber, the module of admitting air and be provided with inlet channel by the lower ...