sdr

这是一篇关于博士论文，论文上详细的讲了非线性时间序列分析：辨识、预测与控制，很有用哦！(This is an article on the doctoral dissertation, the paper stresses on the detailed analysis of nonlinear time series: identification, prediction and control, useful Oh!)

matlab编写的关于语音信号预加重，分帧加窗的程序。(matlab, prepared by the speech signal pre-emphasis, sub-frame windowed program.)

说明：  三相整流和单项逆变，该模型能够完成三相交流对单相交流的转换(3 AC-DC-1 AC)

灰色关联分析法，能客观评价事物，具有更高的客观决策性(Gray relational analysis, to objectively evaluate things, more objective decision-making)

试设计一个切比雪夫I型高通数字滤波器，采样率为8000Hz,fp=1000Hz,fs=700Hz,Rp=3dB,Rs=20dB。(Try to design a type I Chebyshev high-pass digital filter sampling rate of 8000Hz, fp = 1000Hz, fs = 700Hz, Rp = 3dB, Rs = 20dB.)

ide86.rar单位脉冲，单位阶跃，正弦函数等连续信号的MATLAB表达式。.. (ide86.rar pulse units, unit step, Sine function as a continuous signal MATLAB expression. ..)

瑞利信道的仿真，里面有瑞利的文档知识，仿真最后出瑞利分布的概率分布密度图和多普勒滤波器的频响图(Rayleigh channel simulation, which has knowledge of the Rayleigh documentation, simulation finally the probability distribution of the Rayleigh distribution density map and Doppler filter response chart)

Monte Carlo simulation programme example. (Monte Carlo simulation programme example.)

Quartic Spline weight function from "An Introduction to Meshfree Methods and Their Programming [G.R. Liu, Y.T. Gu] " the orginal code is in fortran but this code is in matlab

基于BP和GRNN神经网络的粮食产量预测研究，通过训练样本和测试样本的交叉验证，实现粮食产量预测效果的最佳化(Prediction of Grain Yield BP and GRNN based training through cross-validation and testing samples, to achieve the best effect of the Grain Production Forecast)