Настройки

Укажите год
-

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

Подробнее
-

Мониторинг СМИ

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

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год
Применить Всего найдено 16. Отображено 16.
27-06-2023 дата публикации

Broadband ground penetrating radar equivalent automatic gain receiving system for surveying tunnel water inrush

Номер: CN116338679A
Автор: LING XIANCHANG, CONG SHENGYI, GUO XIAOYU, CHEN HONGWEI, QIU RUI, TANG LIANG, MAO XIAOGANG, ZHANG ZHONGYUAN, SUN HUI, ZHAO XIANGPING, TIAN SHUANG, KONG XIANGXUN
Принадлежит:

The invention discloses a broadband ground penetrating radar equivalent automatic gain receiving system for surveying tunnel water inrush, the automatic gain receiving system comprises an antenna subsystem and a main control subsystem, the antenna subsystem is composed of a ground-air coupling antenna, a low noise amplifier and an automatic gain control part; the master control subsystem is composed of an ADC module, an equivalent sampling time sequence controller and an MCU power supply circuit. The ground-air coupled antenna receives a signal and transmits the signal to the low-noise amplifier for low-noise amplification; the low-noise amplifier inputs the input signal subjected to low-noise amplification into the automatic gain control part for gain controlled amplification control; the automatic gain control part is connected with the ground-air coupled antenna and the main control subsystem, and an amplified signal generated by the automatic gain control part is input into the ADC ...

Подробнее
Номер записи: 1
12-05-2023 дата публикации

Mountain slope survey data two-stage fusion method based on gradient decision tree

Номер: CN116108399A
Автор: ZHANG ZHENG, LING XIANCHANG, TANG LIANG, CHEN HONGWEI, QIU RUI, CONG SHENGYI, TIAN SHUANG, ZHOU FENG, HAO GUOCHENG, ZHANG XIYANG, MAO XIAOGANG, ZHANG ZHONGYUAN, QIU MENGYAO
Принадлежит:

The invention discloses a mountain slope survey data two-stage fusion method based on a gradient decision tree, and the method comprises the following steps: S1, processing mountain slope survey data, carrying out the unified standardization of the data according to data structure features, and constructing a survey data feature unified standardization characterization method; s2, associating complementary geophysical field attribute features with slope body space geometric features, and realizing shallow-layer initial fusion of survey data; s3, exploring potential spatial characteristics of high-dimensional data and potential apparent characteristics of low-latitude data; s4, combining the data obtained in the S2 to realize deep feature fusion of the mountain slope survey data; and S5, optimizing data, improving data fusion efficiency and precision, and realizing multistage hierarchical intelligent fusion of mountain slope survey data. According to the method, the intelligent analysis ...

Подробнее
Номер записи: 2
25-07-2023 дата публикации

Method for inverting karst geologic body space structure based on electromagnetic characteristics of geophysical field

Номер: CN116482776A
Автор: TANG WENCHONG, YANG YUHANG, TANG LIANG, CONG SHENGYI, LING XIANCHANG, CHEN HONGWEI, QIU RUI, WANG XINLIANG, HE HUIMENG, WANG YU, ZHANG YONG, QU BAOJUN
Принадлежит:

The invention discloses a method for inverting a karst geologic body space structure based on geophysical field electromagnetic characteristics, and the method comprises the steps: carrying out the overall detection of a target region through employing a high-density electrical method, so as to find the overall position of karst; detecting a goaf karst geologic body through a seismic wave method, and delineating a small-range karst development area; a high-density electrical method is adopted to invert an equation, inversion equation parameters are input, final positioning is achieved in combination with finite element numerical simulation, and the accurate position, the scale and the accurate structural characteristics of the goaf karst geologic body are inversed. According to the method, on the basis of geophysical properties of the goaf karst geologic body, geophysical exploration information of geologic body rock and soil information is used for conducting inversion research on geophysical ...

Подробнее
Номер записи: 3
25-04-2023 дата публикации

Anti-dispersion clay-sulphoaluminate-based grouting material for dynamic water plugging of karst tunnel and preparation method of anti-dispersion clay-sulphoaluminate-based grouting material

Номер: CN116003071A
Автор: CHEN HONGWEI, LING XIANCHANG, GUO XIAOYU, TANG LIANG, WANG XINLIANG, HE HUIMENG, ZHAO XIANGPING, SUN HUI, QU BAOJUN, CHENG RAN, DU YOUCHAO, CHENG XIAOWEI, LEI YUNSHENG, CONG SHENGYI, TIAN SHUANG, KONG XIANGXUN, HU XINYU, WANG MINGYUAN
Принадлежит:

The invention discloses an anti-dispersion clay-sulphoaluminate-based grouting material for dynamic water plugging of a karst tunnel and a preparation method of the anti-dispersion clay-sulphoaluminate-based grouting material, the grouting material comprises a matrix component and an additive component, the matrix component is composed of clay and sulphoaluminate cement, and the additive component is composed of clay and sulphoaluminate cement. The additive component is composed of an anti-dispersing agent, a retarder, a water reducing agent, a defoaming agent and a mineral admixture. According to the invention, the sulphoaluminate cement and the clay are used as the basis, the hydroxypropyl methyl cellulose, the ethylene-vinyl acetate, the nap nano hydrogel and the mineral admixture are added, and a polymer long-chain structure increases agglomeration and improves slurry viscosity, can form a film-forming polymer and improves cohesive strength and anti-scouring performance; the villus-shaped ...

Подробнее
Номер записи: 4
23-06-2023 дата публикации

Testing device for simulating low temperature-wave coupling effect in polar region marine environment

Номер: CN116296248A
Автор: LING XIANCHANG, XING WENQIANG, CONG SHENGYI, TIAN SHUANG, CHEN HONGWEI, QIU RUI, CHENG ZHIHE, WANG KE, HAN XIAO, WANG YU, MA RUIHUA, TANG LIANG
Принадлежит:

The invention discloses a test device for simulating a low-temperature-wave coupling effect in a polar marine environment, the test device comprises a wave making system, a low-temperature wave test tank and a temperature control system, the wave making system comprises a wave maker, a flow meter and a wave height meter, and the low-temperature wave test tank comprises a model tank, an energy dissipation plate, a waterproof filter plate and a test model. The temperature control system comprises a heat insulation outer wall, a heat conduction plate inner wall, a condensing agent circulating pipe and a temperature control sensor, the wave maker is arranged at the rear end of the model tank, the flow meter and the wave height meter are arranged above the model tank, the energy dissipation plates are installed on the inner walls of the front end and the rear end of the test tank respectively, and the test model is installed in the middle of the model tank; a water filtering energy dissipation ...

Подробнее
Номер записи: 5
06-06-2023 дата публикации

Membrane bag sleeve valve pipe secondary grouting device for dynamic water plugging of karst tunnel and construction technology

Номер: CN116220736A
Автор: LING XIANCHANG, GUO XIAOYU, CHEN HONGWEI, CHEN YONG, WANG XINLIANG, HE HUIMENG, SUN HUI, ZHAO XIANGPING, HU LINHAO, SHI LIMIN, HUANG HAILONG, TANG LIANG, HU XINYU, WANG MINGYUAN, CONG SHENGYI, TIAN SHUANG, KONG XIANGXUN
Принадлежит:

The membrane bag sleeve valve pipe secondary grouting device comprises a sleeve valve grouting pipe, a geomembrane bag, a B-type drainage pipe and a grouting hose, the sleeve valve grouting pipe comprises a grouting core pipe and a grouting outer pipe, the grouting core pipe is provided with a plurality of grouting holes, grout stopping plugs are arranged at the two ends of the grouting holes, and the grouting outer pipe is connected with the geomembrane bag. The grouting outer pipe is provided with a grout overflow hole, the grout overflow hole is wrapped with a rubber ring, and the grouting outer pipe is inserted into the geomembrane bag. The bottom end and the top end of the geomembrane bag are wound by iron wires, and the iron wires are wound and bound in the vertical direction of the geomembrane bag; the B-type drainage pipes are respectively adhered to the left and right sides of the geomembrane bag; the grouting hose is provided with a grout outlet hole, and the grouting hose is ...

Подробнее
Номер записи: 6
23-06-2023 дата публикации

Shrinkage-free organic silicon modified polyurethane epoxy resin grouting material for blocking leakage of tunnel lining and preparation method of shrinkage-free organic silicon modified polyurethane epoxy resin grouting material

Номер: CN116285301A
Автор: TANG LIANG, LING XIANCHANG, CHEN HONGWEI, HU XINYU, GUO XIAOYU, QIU RUI, WANG MINGYUAN, CHEN XIAOYU, SUN HUI, ZHAO XIANGPING, CONG SHENGYI, TIAN SHUANG, KONG XIANGXUN
Принадлежит:

The invention discloses a shrinkage-free organic silicon modified polyurethane epoxy resin grouting material for blocking tunnel lining leakage and a preparation method thereof. The grouting material is prepared from an organic silicon modified polyurethane prepolymer, modified epoxy resin, a modified curing agent and an initiator, the organosilicone modified polyurethane prepolymer is obtained by condensing a polyurethane prepolymer, an amino-terminated epoxy oligomer and organosilane containing terminal chlorine, and the modified epoxy resin is a product obtained by reacting methyl methacrylate with epoxy resin. The problem of shrinkage caused by epoxy curing is solved through the micro-expansion effect generated by the reaction of cyano groups in the organic silicon modified polyurethane with water; meanwhile, the methyl methacrylate group is arranged at the tail end of the methyl methacrylate modified epoxy resin, so that the problems that the chemical grouting material has high initial ...

Подробнее
Номер записи: 7
25-04-2023 дата публикации

Karst tunnel surface collapse construction risk evaluation method based on multi-source heterogeneous data

Номер: CN116011811A
Автор: LING XIANCHANG, PENG CHENGPU, CHEN HONGWEI, TANG LIANG, QIU RUI, WANG XINLIANG, HE HUIMENG, WANG YU, QU BAOJUN, CONG SHENGYI, TIAN SHUANG, KONG XIANGXUN, TANG WENCHONG, ZHANG ZHONGYUAN
Принадлежит:

The invention discloses a karst tunnel surface collapse construction risk evaluation method based on multi-source heterogeneous data. The method comprises the following steps: S1, acquiring the multi-source heterogeneous data as an evaluation index of tunnel construction risk grading; s2, grading the evaluation indexes, and carrying out dimensionless processing on the evaluation indexes; s3, analyzing the influence of the evaluation indexes on the overall stability of the tunnel, and determining the weights of the evaluation indexes according to the influence degrees of different evaluation indexes on the overall stability of the tunnel; s4, calculating a single index attribute measurement function and a comprehensive index attribute measurement function of the evaluation indexes; and S5, dividing the risk level of the tunnel construction risk, setting a risk attribute identification confidence coefficient, and carrying out risk attribute identification. The method is easy and convenient ...

Подробнее
Номер записи: 8
23-06-2023 дата публикации

Intelligent inspection robot for detecting tunnel water inrush disaster-caused structure based on electromagnetic waves

Номер: CN116299723A
Автор: CONG SHENGYI, TANG LIANG, MAO XIAOGANG, ZHANG XIYANG, ZHANG ZHONGYUAN, KONG XIANGXUN, LING XIANCHANG
Принадлежит:

The invention discloses an intelligent inspection robot for detecting a tunnel water inrush disaster-caused structure based on electromagnetic waves, and the robot comprises a carrying platform, a vehicle-mounted transient electromagnetic transmitting device, a vehicle-mounted transient electromagnetic receiving device, a vehicle-mounted ground penetrating radar transmitting antenna, and a vehicle-mounted ground penetrating radar receiving antenna. Wherein the vehicle-mounted transient electromagnetic transmitting device and the vehicle-mounted ground penetrating radar transmitting antenna are used for transmitting electromagnetic waves with different frequencies; the vehicle-mounted transient electromagnetic emission device is used for exciting a primary field of a target body; the vehicle-mounted transient electromagnetic receiving device is used for receiving a secondary field of a target body; the vehicle-mounted ground penetrating radar transmitting antenna is used for transmitting ...

Подробнее
Номер записи: 9
06-06-2023 дата публикации

Human and unmanned aerial vehicle group gesture, hand shape and voice cooperative multi-mode interactive sensing method

Номер: CN116225212A
Автор: CHEN HONGWEI, TANG LIANG, ZHANG XIYANG, LING XIANCHANG, QIU RUI, ZHAO XIANGPING, SUN HUI, CONG SHENGYI, ZHANG ZHONGYUAN, MAO XIAOGANG, TIAN SHUANG, KONG XIANGXUN
Принадлежит:

The invention discloses a human and unmanned aerial vehicle group gesture, hand shape and voice cooperative multi-mode interactive perception method. The method comprises the following steps: step 1, constructing a human and unmanned aerial vehicle group interaction voice recognition model; step 2, constructing a gesture recognition model for interaction between the person and the unmanned aerial vehicle group; and step 3, constructing an interaction framework based on voice and gesture dual-model autonomous identification cluster formation cooperative control, inputting three pieces of interaction channel information of a hand shape, a posture and voice to obtain gesture and voice command actions, and adopting a channel fusion implementation mechanism based on dual-channel switching to realize multi-modal interaction in the interaction framework. According to the invention, the multi-modal interaction between the person and the unmanned aerial vehicle group is realized by constructing ...

Подробнее
Номер записи: 10
09-06-2023 дата публикации

Slope sliding surface identification method based on air-sky-ground multi-source heterogeneous monitoring data

Номер: CN116244661A
Автор: LING XIANCHANG, XING WENQIANG, CHEN HONGWEI, QIU RUI, ZHANG XIYANG, MAO XIAOGANG, ZHANG ZHONGYUAN, QIU MENGYAO, ZHOU FENG, HAO GUOCHENG, CONG SHENGYI, TIAN SHUANG, KONG XIANGXUN, TANG LIANG
Принадлежит:

The invention discloses a slope sliding surface identification method based on air-sky-ground multi-source heterogeneous monitoring data, and the method comprises the following steps: S1, building a keyword table of the slope air-sky-ground multi-source heterogeneous monitoring data, and carrying out the data recognition and classification; s2, removing and filtering redundant information and error data in the space-space-ground multi-source heterogeneous monitoring data of the side slope; s3, carrying out data dimension reduction on the space-space-ground multi-source heterogeneous monitoring data of the side slope; and S4, extracting a statistical feature vector and a time sequence feature vector of the space-space-ground multi-source heterogeneous monitoring data of the side slope, performing multi-source data feature fusion on the statistical feature vector and the time sequence feature vector, and using the fused feature vector as an input of a machine learning method to realize modeling ...

Подробнее
Номер записи: 11
02-05-2023 дата публикации

Field domain microstructure real-time quantitative analysis and multiphase microstructure three-dimensional reconstruction method

Номер: CN116046629A
Автор: TANG LIANG, LING XIANCHANG, DENG YUE, TIAN SHUANG, CONG SHENGYI, LI XINYU, WANG KE
Принадлежит:

The invention discloses a field domain microstructure real-time quantitative analysis and multiphase microstructure three-dimensional reconstruction method, which is characterized in that a zero object distance microstructure tracking camera is arranged in a rock and soil sample, the microstructure change of the soil sample can be reproduced, and the real-time quantitative analysis of the field domain microstructure and the three-dimensional reconstruction of the multiphase microstructure can be realized based on a microstructure imaging technology. The whole-course tracking, dynamic monitoring and real-time display of the internal structure change of the soil unit in the test are realized; through a real-time transmission port and a digital image processing technology, the effects of real-time monitoring, display and data analysis can be achieved; through multi-view monitoring of multiple groups of visual acquisition equipment modules, three-dimensional reconstruction of a multi-phase ...

Подробнее
Номер записи: 12
30-05-2023 дата публикации

Device for measuring slope deformation in real time based on ultra-weak fiber grating array sensing system

Номер: CN116182726A
Автор: TANG LIANG, ZHANG YI, LING XIANCHANG, CHEN HONGWEI, QIU RUI, CONG SHENGYI, TIAN SHUANG, QIU MENGYAO, ZHANG XIYANG, MAO XIAOGANG, ZHANG ZHONGYUAN
Принадлежит:

The invention discloses a device for measuring slope deformation in real time based on an ultra-weak fiber bragg grating array sensing system, which comprises a data acquisition and transmission system, an ultra-weak fiber bragg grating demodulation system, an ultra-weak fiber bragg grating optical cable and a wire coil, the data acquisition and transmission system is used for processing wavelength signals, grating strain and temperature data at different spatial positions to obtain the change of the strain temperature of the slope, and is connected with an external network; the ultra-weak fiber grating demodulation system is used for transmitting, receiving and demodulating pulse signals and transmitting data; the data acquisition and transmission system is connected with the ultra-weak fiber bragg grating demodulation system, the ultra-weak fiber bragg grating demodulation system is connected with one end of the ultra-weak fiber bragg grating optical cable, the other end of the ultra-weak ...

Подробнее
Номер записи: 13
25-08-2023 дата публикации

Method for inversely dividing different stages of landslide evolution by applying geophysical difference characteristics

Номер: CN116643321A
Автор: TANG LIANG, WANG MINGYUAN, TANG WENCHONG, LING XIANCHANG, CONG SHENGYI, TIAN SHUANG, KONG XIANGXUN
Принадлежит:

The invention discloses a method for inversely dividing different stages of landslide evolution by applying geophysical difference characteristics. The method comprises the following steps: step 1, acquiring forward modeling data of a main slip surface of a landslide mass; 2, establishing a model for judging a forward and reverse landslide mass soil body based on geophysical characteristics; and step 3, performing high-density electrical method inversion on the rock landslide geophysical model, the soil landslide geophysical model and the rock-soil composite landslide geophysical model by using the geophysical parameters, and performing effective identification on each unit and a sliding surface of the slope through a geophysical means in an inversion unstable landslide evolution process. According to the method, information of a landslide evolution stage can be inversed based on geophysical feature information, technical improvement can be carried out on other landslide masses in the same ...

Подробнее
Номер записи: 14
06-06-2023 дата публикации

Slope risk assessment method based on Bayesian hierarchical space-time model

Номер: CN116227162A
Автор: CONG SHENGYI, ZHANG WANTING, CHEN HONGWEI, QIU RUI, LING XIANCHANG, ZHOU FENG, HAO GUOCHENG, ZHANG XIYANG, MAO XIAOGANG, ZHANG ZHONGYUAN, QIU MENGYAO, TIAN SHUANG, TANG LIANG
Принадлежит:

The invention discloses a slope risk evaluation method based on a Bayesian hierarchical spatial-temporal model, which comprises the following steps: establishing a regional geological FEM model in time and space dimensions based on remote sensing data by using the Bayesian hierarchical spatial-temporal model, and analyzing spatial-temporal distribution and dynamic change characteristics of the model in real time; and the environmental change of the region is comprehensively and thoroughly analyzed, and the geological disaster risk of the region is evaluated. The method mainly aims at time and space change trends of geological disasters such as landslide, a multi-level Bayesian space-time model part is added in a traditional evaluation model, a space-time algorithm model composed of factors high in geological disaster correlation is constructed and embedded into a multi-level Bayesian hierarchical space-time model, an existing geological disaster system is fused, and the geological disaster ...

Подробнее
Номер записи: 15
12-05-2023 дата публикации

Expansive soil freezing process deformation decoupling method based on machine learning factor analysis

Номер: CN116108325A
Автор: CONG SHENGYI, BAE YUN-SANG, LING XIANCHANG, TANG LIANG, CHEN HONGWEI, LI XINYU, CHENG ZHIHE, MAO XIAOGANG, ZHANG XIYANG, ZHANG ZHONGYUAN
Принадлежит:

The invention discloses an expansive soil freezing process deformation decoupling method based on machine learning factor analysis, and the method comprises the steps: putting a manufactured soil sample into a frost heaving testing machine, and measuring various parameter changes in a temperature reduction soil sample freezing process; and importing the obtained data into MATLAB, and obtaining volume increment or volume decrement caused by volume ice content change and unfrozen water volume water content change by utilizing ICA and a regression fitting algorithm program in the MATLAB. According to the method, on the premise that volume increase caused by freezing of water into ice and volume reduction caused by water loss and shrinkage of soil particles of the expansive soil exist in the freezing process of the expansive soil, volume changes caused by water freezing and water loss of the soil particles are obtained respectively. According to the method, machine learning factor analysis ...

Подробнее
Номер записи: 16