Method for detecting concealed target life trace and concealed target detection device

A technology of life signs and hidden targets, which is applied in the field of hidden target detection and recognition technology, and can solve the problems of not being able to identify whether it is a target with life characteristics, and the low recognition rate of hidden moving targets.

Inactive Publication Date: 2008-12-17
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This technology uses waves that are transmitted through space for detection purposes. Its technical benefits include accurate target location with high accuracy, identification from moving objects like enemy firefighting vehicles or fires, and ability to track important movements such as soldiers's movement during emergency situations.

Problems solved by technology

This patented technical problem addressed by this patents relates to improving the accuracy of identifying hidden objects like weapons and suspicious individuals from images taken on windows for security purposes while also allowing them to move around without being detected.

Method used

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  • Method for detecting concealed target life trace and concealed target detection device
  • Method for detecting concealed target life trace and concealed target detection device
  • Method for detecting concealed target life trace and concealed target detection device

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Embodiment

[0054] Such as figure 1 As shown, microwave radar is composed of transceiver front end, control system, signal processing system and power supply system. The operator realizes human-computer interaction with the system through the GUI (graphical user interface) in the display module of the control system, sets the working parameters, and makes each part of the device cooperate with each other in a certain timing relationship to complete the two functional modes of moving target detection and vital sign detection .

[0055] The transceiver front-end circuit completes main functions such as signal amplification, frequency mixing, filtering and IQ demodulation. It includes frequency step signal source, IF reference source, mixer, coupler, low noise amplifier, IQ demodulator and filter etc. It can complete flexible control according to the control signal, including customizing the start and end scan frequency, a complete scan time, etc.; it can generate 1-3GHz step-change freque...

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Abstract

The invention relates to the radar technology, in particular to the hidden target detection and recognition technology. The invention discloses a method for detecting a hidden living target by utilizing the radar technology and a detection device. The hidden target detection device of the invention is composed of a microwave radar, and is characterized in that the microwave radar has two different modes: a moving target detection mode and a life sign detection mode. The method and the detection device have the advantages that the detection and the positioning of the hidden target are carried out by utilizing the penetrability of the microwave. The accurate detection of the motion state of the hidden target can be carried out, the detection and the recognition of the life signs of a static target can also be carried out, thereby being able to be widely applied in fight against terrorism, disaster relief and other fields.

Description

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Claims

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Application Information

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Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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