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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 12. Отображено 12.
10-12-2014 дата публикации

Online water quality monitoring device based on composite spectrum measurement

Номер: CN104198388A
Принадлежит:

The invention discloses an online water quality monitoring device based on composite spectrum measurement. The online water quality monitoring device comprises an excitation unit, a spectrum acquisition unit and a control unit; the excitation unit comprises a composite light source and a transmission optical fiber; the spectrum acquisition unit comprises an optical flow cell, a detecting optical fiber and a spectrum acquisition module; the control unit comprises a computer; the composite light source is a wide wavelength continuous light source and an LED (Light Emitting Diode) discrete light source of six different wavelengths, and emits required light of the different wavelengths under the control of the upper computer; the composite light source is used, thereby being capable of detecting absorbance, fluorescence and scattering signals, furthermore, multiple water quality parameters are measured to realize a comprehensive, real-time, rapid and accurate understanding of changes of water ...

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14-07-2023 дата публикации

Fluorescence method CDOM rapid measurement method and device suitable for mobile observation platform

Номер: CN116429742A
Принадлежит:

The invention discloses a fluorescence method CDOM rapid measurement method and device suitable for a mobile observation platform. The method comprises the steps that firstly, a compensation light signal is collected, a measured fluorescence signal is corrected according to the stored original compensation light signal, an optical correction model is established, and a temperature and pressure correction model is established through correlation analysis of temperature, pressure and CDOM fluorescence intensity; designing a CDOM correction algorithm according to the optical correction model and the temperature and pressure correction model, and inverting the CDOM concentration according to the CDOM correction algorithm; the device simultaneously completes collection of excitation fluorescence signals, compensation light signals, temperature and pressure; all the devices are low-power-consumption components, and a high-precision miniaturized integrated packaging process is adopted. The method ...

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26-11-2014 дата публикации

Spectroscopy water environment online measuring device

Номер: CN104165853A
Принадлежит:

The invention discloses a spectroscopy water environment online measuring device. The output end of a controller is connected with a light source and a detector; continuous pulse light transmitted by a light source module is divided by a Y-type optical fiber into two beams which are respectively used as a measuring light source and a reference light source; the reference light source is connected to a reference detector through a reference optical fiber, and the reference detector converts a reference optical signal to a reference electric signal to be inputted to the controller; the measuring light source enters a reflection probe, detection light transmitted by the reflection probe enters a circulation pond and then shines on a reflection mirror, the reverse reflected light reflected by the reflection mirror enters the circulation pond, returns into the reflection probe and then enters the detector through a receiving optical fiber, and the detector performs the photoelectric signal conversion ...

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07-07-2023 дата публикации

Device reliability determination method and device, computer equipment and storage medium

Номер: CN116400152A
Принадлежит:

The invention relates to a device reliability determination method and device, computer equipment and a storage medium. The method comprises the following steps: respectively carrying out transmission characteristic monitoring on a plurality of test devices on which stress and power radio-frequency signals are applied to obtain a respective transmission characteristic monitoring result of each test device; when the transmission characteristic monitoring result represents that a device failure condition is met, determining device failure time according to the transmission characteristic monitoring result; based on the respective device failure time of each test device, determining an association relationship between the device characteristic life and the device use time; when a reliability analysis request for the target device is obtained, determining the target characteristic life of the target device according to the association relationship based on the use time of the target device; ...

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24-06-2015 дата публикации

Integrated probe type photoelectric water-quality multi-parameter online measuring system

Номер: CN104730054A
Принадлежит:

The invention discloses an integrated probe type photoelectric water-quality multi-parameter online measuring system. The integrated probe type photoelectric water-quality multi-parameter online measuring system comprises a control and data acquiring unit and an optical system unit, wherein the control and data acquiring unit comprises an upper computer, a control and data acquiring unit and an acquiring device, the optical system unit comprises a composite light source and a light path, the composite light source comprises a left light source and a right light source, the left light source is an LED array composed of many LED light sources different in wavelength, and the right light source is composed of ultraviolet LED light sources and near-infrared LD (laser diode) light sources. The upper computer controls the light source to emit different wavelengths of light to irradiate water body to be detected by the control and data acquiring unit and triggers substances of the water body to ...

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04-07-2023 дата публикации

Semiconductor device failure analysis method and device, computer equipment and storage medium

Номер: CN116381441A
Принадлежит:

The invention relates to a semiconductor device failure analysis method and device, computer equipment and a storage medium. The method is applied to a test system, the test system comprises a transparent cavity, a power interface and an image acquisition device, and the transparent cavity is used for placing a to-be-tested semiconductor device. The method comprises the following steps: when test environment information in a transparent cavity and an electrical bias condition of a to-be-tested semiconductor device meet preset test environment information and a preset electrical bias condition, acquiring electrical output information and electrical input information of the to-be-tested semiconductor device through a power interface; determining whether the to-be-tested semiconductor device discharges according to the electrical output information; and if the to-be-tested semiconductor device discharges, acquiring image information of the to-be-tested semiconductor device during discharging ...

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02-12-2015 дата публикации

Sea water quality of water metallic element measuring device based on laser induction punctures spectrographic technique

Номер: CN0204832036U
Принадлежит:

The utility model discloses a sea water quality of water metallic element measuring device based on laser induction punctures spectrographic technique, including laser instrument, sample cavity, control circuit, optic fibre, spectrum appearance and computer organization. To be surveyed the sea water water sample earlier and passed through the accurate titration of autoinjection system, then carried out drying process through the heating and drying unit to the sample to it is rotatory to the measuring position through automatic rotating tray, adopt laser induction to puncture the spectral technique to using graphite to carry out spectral measurement as the sample of base member at last. The device detects fastly, and sensitivity is high, and easy operation is surveyed the water sample to need not complicated processing procedure, need not chemical reagent, does not have advantages such as secondary pollution, can realize the continuous on line measurement of sea water quality of water metal ...

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03-12-2014 дата публикации

Online turbidity sensor with defoamer

Номер: CN104181108A
Принадлежит:

The invention relates to an online turbidity sensor with a defoamer. The online turbidity sensor comprises the defoamer, a sensor and an installation plate which are arranged in the vertical direction, wherein the defoamer comprises a shell with an open top and a cavity defined by the shell; the cavity is internally provided with a front liquid baffling plate, a liquid isolating plate and a liquid baffling plate; an opening is formed in the bottom of the liquid baffling plate; a liquid outlet connector and a liquid return connector which are communicated with the cavity are fixedly arranged on the vertical side wall of the shell; a liquid inlet connector and a liquid discharge connector which are communicated with the cavity are fixedly arranged at the bottom of the shell; the sensor comprises a sampling pipe, a shell base with the bottom vertically and fixedly arranged on the installation plate, and a shell cover which can be opened and closed on the shell base; the sampling pipe is arranged ...

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14-07-2023 дата публикации

Seawater comprehensive spectrum ecological parameter rapid monitoring method based on cross neural network

Номер: CN116434866A
Принадлежит:

The invention discloses a method for rapidly monitoring seawater comprehensive spectrum ecological parameters based on a cross neural network. The method comprises the following steps: receiving an ultraviolet-visible absorption spectrum and a three-dimensional fluorescence spectrum of a standard liquid sample as initial spectrum data; preprocessing the initial spectral data to obtain a comprehensive spectral data set; establishing a cross neural network model, inputting the comprehensive spectrum data set into the model, outputting a plurality of predicted values of the component content of the seawater ecological parameters by fusing the information of the spectrum characteristic matrix, the cross reference ultraviolet-visible absorption spectrum and the three-dimensional fluorescence spectrum, and comparing the predicted values with true values to adjust the network weight; stopping training after the precision of the model reaches the standard, fixing the weight of the network, preprocessing ...

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09-05-2023 дата публикации

Testing device and method for millimeter wave high-linearity power amplifier and storage medium

Номер: CN116087668A
Принадлежит:

The invention provides a millimeter wave high-linearity power amplifier testing device and method and a storage medium. The test device comprises an intermediate frequency signal source, a first local oscillator analog signal source, a second local oscillator analog signal source, a dual-channel up-conversion integrated module, a combiner, a millimeter wave high-linearity power amplifier, a first down-conversion integrated module, a second down-conversion integrated module, a first millimeter wave power meter, a second millimeter wave power meter and a signal analyzer. The first output end of the intermediate frequency signal source is electrically connected with the first end of the dual-channel up-conversion integrated module, the second end of the intermediate frequency signal source is electrically connected with the second end of the dual-channel up-conversion integrated module, and the third end of the dual-channel up-conversion integrated module is electrically connected with the ...

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23-05-2023 дата публикации

Antenna module

Номер: CN116154492A
Принадлежит:

An antenna module comprises a transceiver chip, a transmitting array antenna, a receiving array antenna, two band-pass filters and two capacitors. The transmitting array antenna and the receiving array antenna are symmetrically arranged on two opposite sides of the transceiver chip. Wherein one band-pass filter is arranged between the transceiving chip and the transmitting array antenna and is connected with the transceiving chip and the transmitting array antenna, and the other band-pass filter is arranged between the transceiving chip and the receiving array antenna and is connected with the transceiving chip and the receiving array antenna. Wherein one capacitor is arranged between the transmitting array antenna and the corresponding band-pass filter and is connected to the transmitting array antenna and the corresponding band-pass filter, and the other capacitor is arranged between the receiving array antenna and the corresponding band-pass filter and is connected to the receiving array ...

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25-02-2015 дата публикации

Method for improving quality and yield of red heart pomelo

Номер: CN104365433A
Принадлежит:

The invention discloses a method for improving the quality and yield of the red heart pomelo, and belongs to the technical field of fruit tree planting. A reflective film is laid to improve the growth environment conditions of the red heart pomelo, meanwhile the lycopene, the weight of single fruit, the yield and the soluble solid content of the juice cells of the red heart pomelo can be increased in combination with comprehensive management of scientific fertilization and insect disease prevention, and the fruit graining phenomenon is lowered. The method for improving the quality and yield of the red heart pomelo has higher operability, can be applied and popularized in a large area, can effectively improve the yield and quality of the red heart pomelo, and has great significance in promoting agricultural efficiency, increasing income growth of peasants and promoting industrialized development of the red heart pomelo.

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