Foundation microwave deformation monitoring system

A monitoring system and deformation technology, applied in radio wave measurement system, general control system, control/regulation system, etc., can solve the problems of bulky monitoring system, poor real-time performance, heavy equipment, etc., to reduce scanning cycle and reduce system cost , The effect of reducing the volume and weight of the equipment

Pending Publication Date: 2022-04-05
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] Aiming at the above defects or improvement needs of the prior art, the present invention provides a ground-based microwave deformation monitoring system, thereby solving the technical problems of the existing monitoring system with bulky volume, heavy equipment, poor real-time performance and high cost

Method used

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  • Foundation microwave deformation monitoring system
  • Foundation microwave deformation monitoring system
  • Foundation microwave deformation monitoring system

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Embodiment Construction

[0037] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0038] An embodiment of the present invention provides a ground-based micro-wave deformation monitoring system, including: a transmitting front-end module, a receiving front-end module, a signal acquisition and processing module, a transmitting antenna and a receiving antenna;

[0039] The transmitting front-end module includes a controller, a DDS, a phase-locked loop A, a phase-locked loop B, a quadr...

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Abstract

The invention discloses a foundation microwave deformation monitoring system, which adopts a linear frequency modulation continuous wave system and utilizes components such as a DDS (Direct Digital Synthesizer) and a PLL (Phase Locked Loop) to generate emission signals, so that the system cost can be reduced while the size and the weight of equipment are reduced; the linear frequency modulation continuous wave system foundation microwave deformation monitoring radar samples the difference frequency signal after adaptive gain processing, and since the bandwidth of the difference frequency signal is far smaller than the baseband bandwidth of the transmitted signal, the sampling rate requirement on the ADC is greatly reduced, the data rate in the whole data chain is reduced, and the data transmission efficiency is improved. And high-performance transmission and storage elements are avoided, so that the system cost is further reduced. The system provided by the invention has the advantages of light weight, low cost, high real-time performance and high integration level.

Description

technical field [0001] The invention belongs to the field of micro-wave deformation monitoring, and more particularly, relates to a ground-based micro-wave deformation monitoring system. Background technique [0002] The existing ground-based micro-waveform deformation monitoring radar usually has two working modes: real aperture and synthetic aperture. Applications under the real aperture working mode include bridge amplitude and frequency monitoring, tower deformation monitoring, wind turbine blade vibration monitoring, etc. The synthetic aperture working mode includes topographic measurement and slope safety monitoring, dam and tailings dam safety monitoring, glacier, volcano detection Wait. The effective application of ground-based micro-wave deformation monitoring radar in safety monitoring makes it an important monitoring method to ensure the safety of people's lives and properties. [0003] Different from the characteristics of large scale and large revisit period o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S13/90G01S7/41G01S7/02G05B19/042E02D33/00
Inventor 郑荣耀李锡文王灿朱景振何兴坤
Owner HUAZHONG UNIV OF SCI & TECH
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