西安电子科技大学学报（自然科学版）2017，Vol.44Issue(2)：20-26,7.DOI:10.3969/j.issn.1001-2400.2017.02.004
一种新的窄带雷达高速机动多目标检测算法
Novel detection algorithm for high-speed maneuvering multi-target with narrowband radar
摘要
Abstract
A novel detection method for the high-speed maneuvering multi-target with a constant acceleration is proposed.Firstly, velocity searching and Second-order Keystone Transform (SKT) are jointly applied to correct the range migration (RM).After the RM correction, the azimuth echoes can be considered as a Linear Frequency Modulation (LFM) signal.Secondly, Lv`s Transform (LVT) is performed on the azimuth echoes, target energy will be accumulated into a sole peak in the Centroid Frequency (CF)-Chirp Rate (CR) domain, and an estimated acceleration can be obtained in terms of the peak's location in the CR-axis.Finally, according to the estimated acceleration, a compensation function is constructed to compensate the Doppler Frequency Migration (DFM), after that, the FFT is applied to accomplish coherent integration, and then target detection is carried out, meanwhile, the target`s radial velocity can be estimated.Compared with the Radon-Fractional Fourier Transform (RFRFT), the proposed algorithm possesses the advantages of lower computational complexity and better anti-noise performance.The results of simulation and real data demonstrate the validity of the proposed algorithm.关键词
机动目标检测/距离徙动/多普勒频率徙动Key words
maneuvering target detection/range migration/Doppler frequency migration分类
信息技术与安全科学引用本文复制引用
章建成,苏涛..一种新的窄带雷达高速机动多目标检测算法[J].西安电子科技大学学报（自然科学版）,2017,44(2):20-26,7.基金项目
国家自然科学基金资助项目(61001204) （61001204）
中央高校基本科研业务费专项基金资助项目(JY0000902020) （JY0000902020）
