In-Vehicle NLOS Pedestrian Detection System using Secondary Radar based on Frequency Doubling and Oversampling Signal Analysis

被引：0

作者：

Masuda, Satomi ^{[1
]}

Zhou Zhongqi ^{[1
]}

Kitamura, Maiko ^{[1
]}

Morishita, Mao ^{[1
]}

Jitsuno, Kunihisa ^{[1
]}

Inagaki, Keizo ^{[2
]}

Kanno, Atsushi ^{[2
]}

Kawanishi, Tetsuya ^{[1
]}

机构：

[1] Waseda Univ, Sch Fund Sci & Engn, Shinjuku Ku, 3-4-1 Ookubo, Tokyo 1698555, Japan

[2] Natl Inst Informat & Comms Tech, 4-2-1 Nukui Kitamachi, Koganei, Tokyo 1848795, Japan

来源：

IEICE COMMUNICATIONS EXPRESS | 2022年

关键词：

Secondary radar; frequency doubler; non-line-of-sight; pedestrians detection; oversampling;

D O I：

10.1587/comex.2022XBL0085

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Detecting signals in areas where there are many obstacles, such as Non-Line-of-Sight (NLoS) is difficult, in conventional radar systems. In this study, we investigated a radar system for detecting pedestrians in NLoS using a secondary radar system and oversampling of the received waveform in an on-board device; then, measured the range and direction detection properties. We analyzed the results of these experiments that were measured in a large anechoic chamber with metal walls to emulate NLoS conditions. The direction of the target in the NLoS was successfully detected. The proposed scheme was able to measure the distance to the target within an error margin of 5 m.

引用

页数：6

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