scholarly journals Separation and feature extraction of micro‐motion signal of ballistic target

2021 ◽  
Author(s):  
Yuxi Li ◽  
Cunqian Feng ◽  
Xuguang Xu ◽  
Lixun Han ◽  
Dayan Wang
Keyword(s):  
Feature Extraction ◽  
Motion Signal ◽  
Micro Motion

scholarly journals Micro-Motion Feature Extraction of a Rotating Target Based on Interrupted Transmitting and Receiving Pulse Signal in an Anechoic Chamber

Electronics ◽  
2019 ◽  
Vol 8 (9) ◽  
pp. 1028
Author(s):  
Feng Zhao ◽  
Xiaobin Liu ◽  
Zhiming Xu ◽  
Yuan Liu ◽  
Xiaofeng Ai
Keyword(s):  
Feature Extraction ◽  
Coupling Effect ◽  
Pulse Repetition Frequency ◽  
Pulse Signal ◽  
Anechoic Chamber ◽  
Repetition Frequency ◽  
Motion Feature ◽  
Whole Process ◽  
Micro Motion ◽  
Rotating Target

The pulse signal is widely used in micro-motion feature extraction of rapidly rotating targets as its pulse repetition frequency (PRF) can be high. However, when the pulse signal is implemented in a range-limited anechoic chamber for micro-motion feature extraction, the transmitted and reflected pulse signals may be coupled at the receiver. To solve this problem, the interrupted transmitting and receiving (ITR) method is applied to transmit the pulse signal with hundreds of sub-pulses. The target echo can be received when the sub-pulse is not transmitted. Hence, it avoids the coupling effect of transmitted signals and echoes. Then, the whole process of micro-motion feature extraction for rotating target is proposed based on the ITR method. At last, the simulations and experiments verify that the rotating target micro-Doppler can be extracted by the ITR pulse signal.

scholarly journals Micro-motion feature extraction of narrow-band radar target based on ROMP

2019 ◽  
Vol 2019 (21) ◽  
pp. 7860-7863
Author(s):  
Shuai Chen ◽  
Cunqian Feng ◽  
Xuguang Xu
Keyword(s):  
Feature Extraction ◽  
Narrow Band ◽  
Radar Target ◽  
Motion Feature ◽  
Micro Motion
Sign in / Sign up

Export Citation Format

Share Document