论文部分内容阅读
针对以导弹和卫星等高速飞行器为平台的雷达信号处理应用中所面临的非匀速相对运动所引起的多项式相位调制给雷达信号处理带来的影响,提出并研究了加速度模糊函数和加速度分辨力的有关概念.并以加速度模糊函数为分析工具,讨论了雷达信号的加速度分辨性能,分析了未知加速度对线性相位匹配滤波器输出信噪比和Doppler频率估计精度的影响,给出了加速度与最优相参积累时间之间的定量关系,讨论了二次相位匹配滤波器对加速度参数搜索估计的性能.
Aiming at the influence of polynomial phase modulation caused by non-uniform relative motion in radar signal processing applications such as missiles and satellites on radar signal processing to radar signal processing, the acceleration fuzzy function and acceleration resolving power The concept of acceleration fuzzy function is analyzed, the acceleration resolution performance of radar signal is discussed, the influence of unknown acceleration on the output signal-to-noise ratio and Doppler frequency estimation accuracy of linear phase matched filter is analyzed, The quantitative relationship between the time of coherent integration and the performance of the quadratic phase matched filter for the search of acceleration parameters is discussed.