Research on Range Profile Synthesizing Method for High Speed Moving Target in Stepped Frequency Modulated Radar

2011 ◽  
Vol 33 (7) ◽  
pp. 1756-1760
Author(s):  
Jie-min Hu ◽  
Yao-wen Fu ◽  
Xi-zhang Wei ◽  
Xiang Li ◽  
Ning Jing
Keyword(s):  
High Speed ◽  
Moving Target ◽  
Range Profile ◽  
Stepped Frequency

High Speed Motion Compensation for Range Profiles

2014 ◽  
Vol 926-930 ◽  
pp. 1720-1723 ◽  
Author(s):  
Kun Fan Zhang ◽  
Feng Wang ◽  
Tong Xin Dang ◽  
Yong Jun Zhao
Keyword(s):  
Structural Feature ◽  
Least Squares ◽  
Motion Compensation ◽  
High Speed ◽  
Target Recognition ◽  
Quadratic Term ◽  
Moving Target ◽  
Chirp Rate ◽  
Linear Least Squares ◽  
Range Profile

For wideband LFM signal and ultra-high speed moving target, the signal will have quadratic term in its phase after dechirp processing. The quadratic term is not the target structural feature, and is harmful for target recognition. To solve this problem, the paper proposes a new method based on spectrum envelope correlation to estimate the chirp rate. Firstly, the coefficient of the quadratic term was estimated by the correlation of 2 segment datas spectrum, and then the weighted linear least squares algorithm was used to improve the accuracy of the result. Simulation show that this method reduces the influence of high speed on the range profile efficiently.

Simulation of Stepped-Frequency LFM Radar Echo Based on FPGA

2012 ◽  
Vol 198-199 ◽  
pp. 948-953
Author(s):  
Jian Ping Ou ◽  
Sheng Qi Liu ◽  
Wei Niu
Keyword(s):  
Moving Target ◽  
Direct Digital Synthesis ◽  
Implementation Framework ◽  
Radar Echoes ◽  
Radar Echo ◽  
Digital Synthesis ◽  
Physical Simulations ◽  
Stepped Frequency ◽  
Logic Resource

An implementation framework of stepped-frequency LFM (SF-LFM) radar echoes simulator is presented in the paper based on the decomposition and calculation of SF-LFM radar echoes of a moving target. The proposed method can be implemented conveniently with direct digital synthesis (DDS) logic resource. The feasibility of this resolution is verified with computer and semi-physical simulations experiments.

scholarly journals High-speed moving target detection and tracking method based on speed estimation

2019 ◽  
Vol 2019 (20) ◽  
pp. 6637-6641
Author(s):  
Jinquan Zhang ◽  
Jingwen Li ◽  
Haizhong Ma ◽  
Ye Wang
Keyword(s):  
Target Detection ◽  
High Speed ◽  
Moving Target ◽  
Speed Estimation ◽  
Moving Target Detection ◽  
Tracking Method ◽  
Detection And Tracking

Low Sidelobe Range Profile Synthesis for Sonar Imaging Using Stepped-Frequency Pulses

2017 ◽  
Vol 14 (2) ◽  
pp. 218-221 ◽  
Author(s):  
Xionghou Liu ◽  
Chao Sun ◽  
Yixin Yang ◽  
Jie Zhuo
Keyword(s):  
Range Profile ◽  
Low Sidelobe ◽  
Sonar Imaging ◽  
Stepped Frequency
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