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Multiple-input multiple-output imaging radar for slope monitoring

A technology of multi-transmission and multi-reception, imaging radar, applied in the direction of measuring devices, using re-radiation, radio wave measurement systems, etc., can solve the problems of inconvenient installation and maintenance, high cost, and inability to realize all-weather monitoring, so as to achieve high maintenance costs, Avoid high cost and avoid the effect of highly unstable orbit

Pending Publication Date: 2021-08-06
广州桑瑞科技有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are few mature slope monitoring radar solutions on the market at present, and the cost is relatively high, the installation and maintenance are relatively large, and it is inconvenient to install and maintain. It cannot realize all-weather monitoring, and it is difficult to adapt to complex slope monitoring application scenarios.

Method used

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  • Multiple-input multiple-output imaging radar for slope monitoring
  • Multiple-input multiple-output imaging radar for slope monitoring
  • Multiple-input multiple-output imaging radar for slope monitoring

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Embodiment Construction

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0035] see figure 1 , the multi-input and multi-input imaging radar used for slope monitoring mainly includes microstrip array antenna module, FM continuous wave radar radio frequency front end, ADC module, data conversion module, memory module, radar signal processing module, data storage module, and external data interaction interface Module, power supply module 9 parts.

[0036] refer to figure 2 , image 3 , the microstrip array antenna module consists of N receiving array antennas RX and M transmitting array antennas TX. Each individual antenna is composed of 4 array elements, and the half-power beamwidth of each array antenna on the E-plane is 66°, and the half-power beamwidth on the H-plane is 20°. Antennas such as image 3 With the layout shown, it will be more c...

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Abstract

The invention discloses a multiple-input multiple-output imaging radar for slope monitoring, and the radar is characterized in that the radar comprises a microstrip array antenna comprising M transmitting array antennas and N receiving array antennas, a frequency modulation continuous wave radar radio frequency front-end module, an ADC module, a data storage module, a data conversion module, a radar signal processing module and an external data interaction interface module; an electromagnetic wave signal reflected by a slope is received by the microstrip array antenna and is processed by the frequency modulation continuous wave radar radio frequency front-end module to output an intermediate frequency signal, and the radar signal processing module receives the intermediate frequency signal converted and output by the ADC module and performs digital signal processing on the intermediate frequency signal to complete slope imaging; the side slope image is compared with the reference side slope radar image stored in the data storage module to judge whether the side slope is deformed or not; and the external data interaction interface module outputs a slope image monitoring result to the outside. The device is small in size, convenient to install and maintain, high in image acquisition speed and low in cost.

Description

technical field [0001] The invention relates to the technical field of geological disaster monitoring radar, in particular to a multi-shot and multi-harvest imaging radar for slope monitoring. Background technique [0002] Slopes are mainly divided into building slopes, municipal slopes and mountain retaining walls. For areas with greater hazards, automatic equipment must be used for real-time online monitoring. Slope monitoring provides technical basis for the prevention and control of landslides and possible sliding, creep deformation subsidence and collapse, and predicts and forecasts the development trend of slope displacement and deformation in the future. Through monitoring, relevant research can be carried out on the time-dependent characteristics of rock and soil mass. Through monitoring, the deformation characteristics and laws of collapses and landslides can be grasped, the boundary conditions, scale, sliding direction, occurrence time and hazards of the collapse...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S13/90G01S7/35G01B15/06
CPCG01B15/06G01S7/35G01S13/90
Inventor 唐云华刘沛秋柯小兵魏平新
Owner 广州桑瑞科技有限公司
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