距离多普勒耦合对雷达滤波精度影响分析

Radar Filtering Error Analysis of Range-Doppler Coupling

距离多普勒耦合效应是线性调频信号的固有特征。首先分析了距离多普勒耦合的数学模型,给出了考虑耦合效应的α-β-γ滤波的具体形式,最后通过仿真分析,研究了对距离、速度和加速度滤波精度的影响,仿真结论对雷达数据处理有着重要的指导意义。

The coupling effect of is the intrinsic characteristic of linear frequency modulation signal.First,the mathematical model of range-doppler coupling is analyzed.The specific form of theα-β-γfiltering considering coupling effect is given.Finally,through a simulation analysis,the influence of range,velocity and acceleration filtering error is researched.The simulation results have important guidance to radar data processing.