小波能量积累器在信号处理中的应用

 根据小波变换的多尺度分解特性,提出了多尺度小波能量积累器的概念,并给出了相应的多尺度小波能量积累算法,将信号在不同分解尺度上的小波能量进行积累。在此基础上设计出一种适用于各种雷达，尤其是微波雷达弱信号处理的小波能量检测算法,对低信噪比信号检测进行了仿真实验。结果表明,该检测算法对强白噪声及强色噪声背景下的低信噪比信号的检测非常有效。

Application of Wavelet Energy Accumulator to Signal Processing

Based on the wavelet transform and its multiscale decompositions, we w ill construct a kind of wavelet energy accumulator, by which the energy on decomposition all d ifferent scales. As an application, an algorithm is developed that weak signal detection on wavel et energy accumulation. We design a piece of simulation program and do many of radar signal detection simulation experiments with pulse and different simulation cond itions (on the background of white noise and color noise). Simulation results indicate that wea k signal detection is very successful depending on wavelet energy accumulation.