基于小波变换的多目标模糊分辨

硬件距离门与中国的余数定理是常用的多目标模糊分辨算法 ,但这种处理系统硬件比较复杂 ,并且在单一PRF上较小的距离误差也可能导致很大的测距偏差。讨论了利用小波变换来估计多回波信号的时延信息 ,并利用聚集算法解多目标的距离模糊 ,再利用最大似然法分辨不同目标的算法。最后给出了计算机仿真结果。

Ambiguity Resolution of Multiple Targets Using Wavelet Transform

Range gates and the Chinese remainder theorem are usually used to resolve ambiguities of multiple targets.This system is complex in hardware structure,and a small range error on single PRF can cause a large error in the resolved range. This paper studies an algorithm: firstly, wavelet transform is used to estimate the arrival time of multiple echo signal; then the range ambiguities of multiple targets are resolved by a clustering algorithm, and the different targets are resolved with the maximum likelihood technique. Finally, the paper gives out the simulation results by computer.