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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 18. Отображено 18.
23-07-2015 дата публикации

INFORMATION RECORDING AND PLAYBACK DEVICE, AND INFORMATION RECORDING AND PLAYBACK METHOD

Номер: WO2015107572A1
Принадлежит:

An information recording and playback device according to the present disclosure is provided with: a playback unit which generates a digital signal from an analog signal which has been recorded on an information recording medium; a recording compensation unit which generates an expected value signal from the digital signal, detects the difference between the digital signal and the expected value signal, and adjusts recording conditions for recording information on the information recording medium; and a recording unit which records information on the basis of the recording conditions. The information recording and playback device performs first recording compensation which adjusts the recording conditions using first recording data of a length in which the lengths of spaces before and after first recording marks, and the lengths of spaces before and after second recording marks, do not result in intersymbol interference; places the second recording marks, on which the first recording compensation ...

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11-04-2013 дата публикации

INFORMATION RECORDING MEDIUM, INFORMATION RECORDING METHOD, AND INFORMATION RECORDING DEVICE

Номер: WO2013051220A1
Принадлежит:

An information recording medium (1) has a plurality of pits (301) formed periodically. A laser beam is beamed onto a pit row formed by the plurality of pits (301), and the shape of the pits (301) is changed, whereby information is recorded. The pit row has a serpentine shape that curves periodically. The length of the period (fp) of the pits (301) is equal to or less than the diffraction limit of the laser beam, and the period of the pit row is equal to n times the period of the pits (where n is a positive integer).

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26-09-2013 дата публикации

OPTICAL DISK RECORDING MEDIUM, OPTICAL DISK DEVICE, AND RECORDING METHOD

Номер: WO2013140756A1
Принадлежит:

An integer multiple of the period of wobbling of portions of groove tracks (105, 107) other than for address information matches the length of one circumference of the groove tracks (105, 107), an integer multiple of the period of address information matches the length of one circumference of the groove tracks (105, 107), and information that differs between adjacent groove tracks (105, 107) in the address information is recorded by at least a different predetermined wobble pattern in adjacent groove tracks (105, 107).

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03-10-2013 дата публикации

DECODING DEVICE AND DECODING METHOD

Номер: WO2013145747A1
Принадлежит:

This decoding device is provided with: an interference cancellation circuit (104) which, from among the states of 2K units of detected signals within a K-bit-width (K is a natural number) range for which there is a possibility that interference occurs between bits of digital information as a result of predetermined frequency characteristics, extracts 2M units of the most likely detected signals which correspond, respectively, to 2M units of detected signal states that exist within an M-bit-width (M is a natural number) range which is included within the K-bit-width range; and a Viterbi decoding circuit (105) which calculates the differences between the 2M units of detected signals which have been extracted by the interference cancellation circuit (104) and expected value signals corresponding, respectively, to the 2M units of detected signals and selects a transition sequence of states of the detected signals for which the calculated differences are smallest to generate a decoded signal ...

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14-02-2013 дата публикации

DECODING DEVICE AND DECODING METHOD

Номер: WO2013021588A1
Принадлежит:

A controller (211) inputs reliability information for the same data block to a reliability storage memory (202) a multiple number of times. When decoding is performed using the reliability information for the same data block as the previous time, a reliability generator (201) performs arithmetic processing based on a probability calculation using the previous reliability information, which is saved in the reliability storage memory (202), and the current reliability information to generate new reliability information, and saves the newly generated reliability information in the reliability storage memory (202). A column processing computing unit (204) computes a column processing output value using the newly generated reliability information, which is saved in the reliability storage memory (202), and a row processing output value.

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10-04-2014 дата публикации

INFORMATION READING DEVICE AND INFORMATION READING METHOD

Номер: WO2014054246A1
Принадлежит:

An information writing and reading device includes: an optical detector (200A) divided by division lines parallel to the recording track scanning direction into first light receiving units (202, 203) for receiving light reflected at the center of a recording track and second light receiving units (201, 204) for receiving light reflected at portions adjacent to the center in the radius direction of the optical disk; a first adaptive equalization filter (107) for equalizing the waveform of the output signals of the first light receiving units (202, 203); a second adaptive equalization filter (120) for equalizing the waveform of the output signals of the second light receiving units (201, 204); and a data decoder (108) for decoding data to obtain read data on the basis of the output waveform of the first adaptive equalization filter (107) and the output waveform of the second adaptive equalization filter (120).

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10-04-2014 дата публикации

OPTICAL INFORMATION RECORDING MEDIUM AND OPTICAL INFORMATION RECORDING DEVICE

Номер: WO2014054275A1
Принадлежит:

In the present invention, when bnT is the length adjustment at the front edge of an nT recording mark (n: integer, T: channel clock length) with respect to a channel clock reference, cnT is the length adjustment at the rear edge, "d" is the minimum value of "n", and "k" is the maximum value of "n", the length adjustment bdT at the front edge of the shortest recording mark dT, the length adjustment cdT at the rear edge of the shortest recording mark dT, the length adjustment bkT at the front edge of the longest recording mark kT, and the length adjustment ckT at the rear edge of the longest recording mark kT satisfy bdT + cdT > bkT + ckT.

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15-09-2011 дата публикации

RECORDING METHOD, RECORDING DEVICE AND INFORMATION RECORDING MEDIUM

Номер: WO2011111366A1
Принадлежит:

Disclosed is a recording method for collecting laser light with a lens to record a data string in which marks and spaces have been combined upon an information recording medium, wherein conditions for a cooling pulse when forming a mark which is of a length which is at or shorter than the limit of optical resolution of the laser light and conditions for the cooling pulse when forming a mark which does not reach the limit of optical resolution of the laser light are caused to differ.

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07-03-2013 дата публикации

MODULATED SIGNAL DETECTING APPARATUS AND MODULATED SIGNAL DETECTING METHOD

Номер: WO2013031120A1
Принадлежит:

A phase difference error detecting unit (8) detects a phase difference error component included in a phase difference component. A phase difference correcting unit (3) corrects, on the basis of the detected phase difference error component, a first signal in which the phase difference component is represented by an angle of a cosine function and a second signal in which an angle of the cosine function is different by approximately Π/2 relative to the first signal. A phase calculating unit (6) calculates the phase difference component from the first and second signals as corrected by the phase difference correcting unit (3). The phase difference correcting unit (6) rotates, by the angle corresponding to the phase difference error component, the coordinate points indicated by the first and second signals on a polar coordinate plane, thereby obtaining the first and second signals as corrected.

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05-12-2013 дата публикации

DECODING SYSTEM AND DECODING METHOD

Номер: WO2013179662A1
Принадлежит:

A decoding system is provided with a modulating unit that modulates user data by using a modulation rule that disperses information for arbitrary bits of user data into a plurality of bits of a modulation pattern by modulating user data with the modulation pattern, and a regenerating unit that regenerates a signal, through which modulated user data has been transmitted along a transmission path, to generate a regenerated signal. The decoding system is further provided with a transmission path decoding unit that generates in accordance with the modulation pattern a signal, which takes into account the characteristics of a transmission path and is in accordance with the modulation pattern, as a generated signal, and calculates a distance between the regenerated signal and the generated signal within a section having a length determined, either on a constant or dynamic basis, in accordance with the bit length of the modulation pattern. The decoding system is also provided with a demodulating ...

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07-03-2013 дата публикации

MOLECULE DETECTING APPARATUS, MOLECULE DETECTING METHOD, AND CARTRIDGE FOR DETECTING MOLECULES

Номер: WO2013031141A1
Принадлежит:

A molecule detecting apparatus comprises: a semiconductor laser (214) that emits a light; first (306) and second (307) condenser lenses that condense the light, which is emitted from the semiconductor laser (214), into a hold space; an aperture (304) that limits the incidence angle of the light from the second condenser lens (307) into the hold space; and a light detector (215) that detects a reflected light from the hold space. The aperture (304) limits the incidence angle θ of the light through a transparent member (216) into the hold space in such a manner that satisfies a formula, n1/n2 < sin θ ≤ NA/n2, where: the refractive index of the hold space is n1; the refractive index of the transparent member (216) existing between the second condenser lens (307) and the hold space is n2; n1 < n2; and the numerical aperture that defines the maximum value of the incidence angle of the light that enters the hold space is NA.

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31-01-2013 дата публикации

MODULATED SIGNAL DETECTION DEVICE AND MODULATED SIGNAL DETECTION METHOD

Номер: WO2013014882A1
Принадлежит:

An optical disk device (40) is provided with: a branching unit (409) which branches into a first branched beam and a second branched beam a signal beam which has been phase-modulated on the basis of a data signal; signal delay mirrors (410) which generate a phase-offset beam from the first branched beam by offsetting the phase of the first branched beam exactly a prescribed phase amount relative to the phase of the second branched beam; an interference unit (411) which generates a first interference beam by creating interference between the phase-offset signal beam and the second branched beam; a PBS (403) which generates a second interference beam by creating interference between the first interference beam and a reference beam that has not been phase-modulated; and an interference beam detection unit (415) which detects the second interference beam and generates an interference beam detection signal.

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20-12-2012 дата публикации

MODULATED SIGNAL DETECTION DEVICE AND METHOD OF DETECTING MODULATED SIGNAL

Номер: WO2012172769A1
Принадлежит:

An optical branching unit (902) divides laser light emitted from a wavelength-variable laser (901) into signal light and reference light, and an interference unit (905) causes interference between the modulated signal light and the reference light reflected by a reference light mirror (904). A signal processing unit (907) generates on the basis of an interference light detection signal an oscillation wavelength control signal for controlling the oscillation wavelength of the wavelength-variable laser (901). When an initial optical path length converted from the length of the light path the signal light passes through using the vacuum refractive index is defined as ld0, an initial optical path length converted from the length of the light path the reference light passes through using the vacuum refractive index is defined as lm0, the range of fluctuation in the difference of the light path length between the signal light and the reference light converted using the vacuum refractive index ...

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10-10-2013 дата публикации

OPTICAL PICKUP AND OPTICAL DISK DEVICE

Номер: WO2013150756A1
Принадлежит:

When the in-air length of an internal resonator of a laser source (401), which is obtained as the product of the length of the internal resonator of the laser source (401) and the refractive index of the internal resonator of the laser source (401), is denoted as Lld, the optical path length of a laser beam from the exit plane of the laser source (401) to a PBS (404) as calculated in terms of an in-air length is denoted as LBS, the optical path length of a signal beam from the PBS (404) to a reflective part of an optical disk (407) as calculated in terms of an in-air length is denoted as Lsig, the optical path length of a reference beam from the PBS (404) to a reference beam mirror (410) as calculated in terms of an in-air length is denoted as Lref, and an allowable interference optical path length of the laser beam is denoted as ∆L, the laser source (401), PBS (404), and reference beam mirror (410) are positioned so as to simultaneously satisfy Lsig + LBS ≠ s (Lld/m) (s: positive integer ...

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10-10-2013 дата публикации

DECODING DEVICE AND DECODING METHOD

Номер: WO2013150774A1
Принадлежит:

A decoding device (1) is provided with a confidence calculation unit (5) for calculating, from an encoding signal obtained from a PR communication channel (3), confidence information having a non-linear relationship with a noise distribution of the PR communication channel (3) in all or a part thereof on the basis of a characteristic of the PR communication channel (3) and a predetermined modulation rule, a confidence revision unit (17) for revising the confidence information calculated by the confidence calculation unit (5), and an error correction decoding unit (18) for performing error correction decoding of the confidence information revised by the confidence revision unit (17).

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26-11-2015 дата публикации

INFORMATION RECORDING METHOD, INFORMATION-RECORDING DEVICE, AND INFORMATION RECORDING MEDIUM

Номер: WO2015177955A1
Принадлежит:

In the disclosed information recording method, in which information is recorded onto a recordable information recording medium, said information recording medium comprises one or more recording layers, each recording layer has a spiral shape in which recording tracks consisting of land tracks and groove tracks repeat in an alternating manner, and each recording track is divided into blocks, which are the smallest unit of recording. The disclosed information recording method includes a step in which information is recorded onto the information recording medium in units of blocks and a step in which recording to the information recording medium is controlled. In the step in which recording is controlled, switching between recording to a target recording block in which information is to be recorded next and not recording to said target recording block is performed on the basis of the recording states of the recording tracks adjacent to the target recording block in question on both sides thereof ...

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18-06-2015 дата публикации

OPTICAL DISC RECORDING METHOD, OPTICAL DISC DEVICE, AND OPTICAL DISC MEDIUM

Номер: WO2015087467A1
Принадлежит:

An optical disc track is formed by wobbling and divided into a plurality of zones; the clock ratio of a recording clock to a wobble clock is set in advance for each zone; a wobble signal is detected from the optical disc; the wobble clock is created from the wobble signal; an ADIP indicating the position of the track is played back from the wobble signal and the wobble clock to specify the current position; the recording clock is created in relation to the wobble clock; a data address current position is specified from the current position, the starting end position of the ADIP in a zone to be recorded, the starting end position of the data address of the zone to be recorded, and the clock ratio; the recording start position is specified on the basis of the data address current position; and data is recorded from the recording start position of the zone to be recorded.

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23-07-2015 дата публикации

OPTICAL DISC DEVICE AND OPTICAL DISC REPLAYING METHOD

Номер: WO2015107573A1
Принадлежит:

The present invention is provided with a synchronization unit that generates a replay clock signal synchronized to a replay signal of information stored at an optical disc medium, and generates a synchronized digital replay signal; an adaptive equalizer that shapes the waveform of the digital replay signal, and generates a post-adaptive-equalization digital replay signal; a maximum likelihood decoder that performs maximum likelihood decoding on the signal and generates a binarized signal; an expected waveform generator that generates an expected waveform from the binarized signal having a width of time 2LT with respect to a time width LT of an impulse response waveform of the digital replay signal; a phase advance waveform generator that generates a waveform resulting from advancing the phase of the expected waveform by 1T; a phase lag waveform generator that generates a waveform resulting from lagging the phase of the expected waveform by 1T; and a metric detector that detects phase error ...

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