Investigation of different target's micro-vibration feature based on a coherent shot-noise limited LIDAR

The Journal of Engineering

Linghao Xia¹  Chi Xu¹  Huixin Huang¹  Shen Dong¹ 

[1] Nanjing Research Institute of Electronics Technology;

关键词: matched filters;    doppler radar;    optical radar;    remote sensing by laser beam;    velocity measurement;    shot noise;    different target;    coherent shot-noise;    light detection;    extraordinary advances;    remote-sensing;    higher carrier frequency;    precise velocity measurements;    microvibration feature;    coherent cw lidar;    noise performance;    range detection;    target classification;   

DOI  :  10.1049/joe.2019.0522

来源: DOAJ

【 摘 要 】

Light detection and ranging (LIDAR) has facilitated extraordinary advances in various areas such as remote-sensing, topography, atmospheric/ecological environment studies etc. Benefiting from the much higher carrier frequency than Radar, LIDARs are extremely Doppler-sensitive, making them quite capable for micro-vibration and precise velocity measurements. Here, the authors investigate the micro-vibration feature of different targets through a coherent CW LIDAR whose noise performance is dominated by the shot-noise of light. The complexity of the micro-vibration feature observed in the one-dimensional velocity spectrum raises challenge to the matched filtering process for range detection, while on the other hand may offer extra characteristics for target classification and recognition.

【 授权许可】

Unknown