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Life detection radar-based multiple-detection point target searching and locating method

A technology of life detection and positioning method, applied in the field of life detection radar, can solve the problems of inability to accurately locate, small detection area, low detection probability, etc., and achieve the effect of low hardware cost, easy implementation, and improved detection probability

Active Publication Date: 2016-04-20
INST OF ELECTRONICS CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the technical problems existing in the prior art such as inaccurate positioning, high cost, low detection probability, and small detection area, the present invention provides a target search and positioning method based on multiple detection points of life detection radar

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  • Life detection radar-based multiple-detection point target searching and locating method
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  • Life detection radar-based multiple-detection point target searching and locating method

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be noted that, in the drawings or descriptions of the specification, similar or identical parts all use the same figure numbers. Implementations not shown or described in the accompanying drawings are forms known to those of ordinary skill in the art. Additionally, while illustrations of parameters including particular values ​​may be provided herein, it should be understood that the parameters need not be exactly equal to the corresponding values, but rather may approximate the corresponding values ​​within acceptable error margins or design constraints. The directional terms mentioned in the embodiments, such as "upper", "lower", "front", "rear", "left", "right", etc., are only referring to the directions of the...

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Abstract

The invention provides a life detection radar-based multiple-detection point target searching and locating method. According to the life detection radar-based multiple-detection point target searching and locating method, a life detection radar is adopted to perform detection on a plurality of detection points; the position of a live body is solved based on multiple-detection point criterions; the position of the live body is determined repeatedly through adopting the K-nearest neighbor principle; and therefore, the locating accuracy and detection probability of the spatial position of the live body can be improved. The life detection radar-based multiple-detection point target searching and locating method has the advantages of large detection area, low hardware cost and easiness in implementation in practical application.

Description

technical field [0001] The invention relates to the technical field of life detection radar, in particular to a target search and positioning method based on multiple detection points of life detection radar. Background technique [0002] The ultra-wideband life detection radar system transmits ultra-wideband short pulses based on a send-and-receive antenna pair, and receives micro-motion information from living organisms, so as to achieve the purpose of locating living organisms. The existing life rescue radar products at home and abroad all adopt single-send-single-receive and distributed design. Since the single-shot and single-receive life rescue radar can only provide the distance information of the buried life body, it cannot be accurately located, which increases the workload of rescue and delays the progress of rescue. However, the distributed life rescue radar has a large demand for hardware and high cost, which is difficult to realize in practical applications. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S13/02G01S13/06G01S13/88
CPCG01S13/0209G01S13/06G01S13/88
Inventor 吴世有姚思奇谭恺陈洁方广有
Owner INST OF ELECTRONICS CHINESE ACAD OF SCI
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