一种利用多站雷达距离差信息确定细柱状目标几何中心及其长度的新方法
A NEW METHOD FOR DETERMINING THE LOCATION AND LENGTH OF A THIN CYLINDRICAL TARGET WITH RANGE DIFFERENCE FROM A MULTISTATIC RADAR SYSTEM
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摘要: 本文讨论一种基于距离差信息的调频连续波(FMCW)T-R~4方式多基地雷达近程目标定位系统,提出了一种利用宽带FMCW雷达信号的高距离分辨率特点及细柱状目标回波频谱特性,来确定目标几何中心及其长度的新方法,导出了与发射机位置无关的目标定位及长度估计算法公式,对系统性能进行了分析并给出了计算机仿真结果。Abstract: This paper describes a short range target location system based on the range difference of T-R4 multistatic radar system with FMCW signal. A new method is proposed to determine the location and length of a thin cylindrical target making use of the high resolution of wide band FMCW signal and the spectrum characteristics of the target echo. Formulae are derived for target location and its length estimation being independent of the transmitter position. System performances are simulated with the proposed algorithm and the results are given for various situations
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Manolakis D E. Efficient solution and performance analysis of 3-D position estimation by trilateration. IEEE Trans. on AES, 1996, AES-32(4): 1239-1247.[2]孙仲慷，周一宇，何黎星著. 单多基地有源无源定位系统. 北京: 国防工业出版社，1996, 143-160.[3]Schau H C, Robinson A Z. Passive source localization employing intersecting spherical surfaces from time-of-arrival differences. IEEE Trans. on ASSP, 1987, ASSP-35(8): 1223-1225. -
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