公开(公告)号：US09442189B2

公开(公告)日：2016-09-13

申请号：US14357773

申请日：2011-06-20

Applicant: Jianqi Wang ,  Xijing Jing ,  Yang Zhang ,  Hao Lu ,  Yanfeng Li ,  Zhao Li ,  Teng Jiao ,  Xiao Yu

Inventor： Jianqi Wang ,  Xijing Jing ,  Yang Zhang ,  Hao Lu ,  Yanfeng Li ,  Zhao Li ,  Teng Jiao ,  Xiao Yu

IPC: G01S13/10 ,  G01S13/18 ,  G01S13/89 ,  G01S13/02 ,  G01S13/88 ,  A61B5/024 ,  A61B5/08 ,  A61B5/11 ,  G01S13/04 ,  G01S7/41 ,  G01S13/00

CPC classification number: G01S13/0209 ,  A61B5/024 ,  A61B5/0816 ,  A61B5/11 ,  G01S7/415 ,  G01S13/04 ,  G01S13/88 ,  G01S13/888

Abstract: A multichannel UWB-based radar life detector includes a transmitting antenna and three receiving antennas for forming three radar echo signal channels. A 2-dimensional positioning method thereof includes: a1) amplifying weak life signals of stationary human by the channels, providing an 8-point integration method with an interval of 4 points to radar echo signals by distance; then breaking the integrated signals for decomposition and reconstruction in such a manner that target echo signals and three distance signals are formed; providing digital filtering and differential to the target echo signals for amplifying the weak but useful life signals; a2) 1-dimensionally distinguishing the signals by distance, analyzing spatial frequency according to the filtered and differentiated target echo signals as well as the distance signals for obtaining three target projection signals in the three channels; and a3) identifying the 2-dimensional position information of the targets according to the projection signals, forming an image.

公开(公告)号：US20150054670A1

公开(公告)日：2015-02-26

申请号：US14357773

申请日：2011-06-20

Applicant: Jianqi Wang ,  Xijing Jing ,  Yang Zhang ,  Hao Lu ,  Yanfeng Li ,  Zhao Li ,  Teng Jiao ,  Xiao Yu

Inventor： Jianqi Wang ,  Xijing Jing ,  Yang Zhang ,  Hao Lu ,  Yanfeng Li ,  Zhao Li ,  Teng Jiao ,  Xiao Yu

IPC: G01S13/02 ,  A61B5/11 ,  A61B5/024 ,  A61B5/08 ,  G01S13/04 ,  G01S13/88

CPC classification number: G01S13/0209 ,  A61B5/024 ,  A61B5/0816 ,  A61B5/11 ,  G01S7/415 ,  G01S13/04 ,  G01S13/88 ,  G01S13/888

Abstract: A multichannel UWB-based radar life detector includes a transmitting antenna and three receiving antennas for forming three radar echo signal channels. A 2-dimensional positioning method thereof includes: a1) amplifying weak life signals of stationary human by the channels, providing an 8-point integration method with an interval of 4 points to radar echo signals by distance; then breaking the integrated signals for decomposition and reconstruction in such a manner that target echo signals and three distance signals are formed; providing digital filtering and differential to the target echo signals for amplifying the weak but useful life signals; a2) 1-dimensionally distinguishing the signals by distance, analyzing spatial frequency according to the filtered and differentiated target echo signals as well as the distance signals for obtaining three target projection signals in the three channels; and a3) identifying the 2-dimensional position information of the targets according to the projection signals, forming an image.

Abstract translation: 基于UWB的多通道雷达寿命检测器包括发射天线和三个接收天线，用于形成三个雷达回波信号信道。 其二维定位方法包括：a1）通过信道放大固定人类的弱生命信号，以距离为基础向雷达回波信号提供4点间隔的8点积分方法; 然后以形成目标回波信号和三个距离信号的方式断开用于分解和重建的积分信号; 向目标回波信号提供数字滤波和差分，以放大弱但有用的寿命信号; a2）通过距离一维地区分信号，根据滤波和分化的目标回波信号分析空间频率以及用于在三个信道中获得三个目标投影信号的距离信号; 和a3）根据投影信号识别目标的二维位置信息，形成图像。