PID_5

Hybrid DS-FH communication systems

对雷达多脉冲回波进行匹配滤波处理后，再进行相参积累，提高检测信噪比(Coherent matched filter radar multi-pulse echo, to improve the detection signal to noise ratio)

bartle自功率谱密度分析，对于直接法的功率谱估计，当数据长度N太大时，谱曲线起伏加剧，若N太小，谱的分辨率又不好，因此需要改进。(Bartle since the power spectral density analysis, for the direct method of power spectrum estimation, when the data length N is too large, the spectrum curve of the ups and downs, if N is too small, the resolution of the spectrum and is not good, so need to improve.)

PCA和KPCA综合处理，用于对TE数据的故障监控，有很好的效果(PCA and KPCA integrated approach for fault monitoring of TE data, have a good effect)

采用卡尔曼滤波器滤除语音信号中的有色噪声，采用Matlab实现，并给出了实例(Kalman filter to filter the speech signal colored noise, using Matlab to achieve, and gives an example)

基于simulink的FSK仿真建模，已经建好了模板。(simulink的FSK仿真建模)

说明：  Frequency Modulation pdf

Prony方法是一种在已知时域冲击响应时构造IIR滤波器（即ARMA）的算法(Prony method is a kind of time-domain impulse response is known IIR filter structure (ie ARMA) algorithm)

适用于机械最优化设计课程的无约束多维问题的变尺度法(For mechanical optimization design courses unconstrained multi-dimensional problem of variable metric method)

以优化SVM算法的参数c和g为例，使用狼群算法进行优化(Taking the parameters c and g of the optimized SVM algorithm as an example, we optimize it with a wolf group algorithm)