Title:
センサーおよび推定方法
Document Type and Number:
Japanese Patent JP6667145
Kind Code:
B2
Abstract:
A sensor includes a transmit antenna, a receive antenna, circuitry, and a memory. The transmit antenna includes N transmit antenna elements each transmitting a transmit signal. The receive antenna includes M receive antenna elements each receiving N receive signals including reflection signals reflected by an organism. The circuitry extracts a second matrix corresponding to a predetermined frequency range from an N*M first matrix representing propagation characteristics between each transmit antenna element and each receive antenna element calculated from the receive signals. The circuitry estimates the position of the organism by using the second matrix, and calculates a radar cross-section value with respect to the organism, based on the estimated position and the positions of the transmit antenna and the receive antenna. The circuitry then estimates the posture of the organism by using the calculated radar cross-section value and information indicating associations between radar cross-section values and postures of the organism.
Inventors:
Takeshi Nakayama
Shoichi Iizuka
Naoki Honma
Sasakawa Dai
Shoichi Iizuka
Naoki Honma
Sasakawa Dai
Application Number:
JP2017063507A
Publication Date:
March 18, 2020
Filing Date:
March 28, 2017
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
A61B5/107; G01S7/02; G01S7/41
Domestic Patent References:
| JP2015117974A | ||||
| JP2015117972A | ||||
| JP201572173A |
Foreign References:
| US20110237939 |
Other References:
笹川 大 ほか,MIMO仮想アレーを用いた屋内高速生体位置推定アルゴリズム,2015年電子情報通信学会通信ソサイエティ大会 講演論文集1,日本,2015年 8月25日,B-1-126
Attorney, Agent or Firm:
Hiromori Arai
Eisaku Teratani
Shinichi Michisaka
Eisaku Teratani
Shinichi Michisaka