中文说明：信号处理中的旋转不变子空间法，分析了该信号的时域、频域、倒谱，循环谱等,GSM中GMSK调制信号的产生，pwm整流器的建模仿真，包含了阵列信号处理的常见算法，数值分析的EULER法。
English Description：
Signal processing in the rotation invariant subspace method, and analyzes the signal in time domain and frequency domain, cepstrum, cyclic spectrum, GMSK modulated signals in GSM, the modeling and Simulation of PWM rectifier, common algorithm contains the array signal processing, numerical analysis of Euler method.