Archimedes_spiral

％ y=filter(sig,fmin,fmax) ％ 对信号进行理想滤波，可完成低通，带通 ％ sig为被滤波信号 ％ fmin为下限频率，当fmin为0时为低通滤波器，当fmin>0时，为带通滤波器 ％ fmax为上限频率，fmax>fmin ％ fs为信号的采样频率 ％ y为经过滤波后的信号 (％ Y = filter (sig, fmin, fmax)％ of the ideal signal filtering, to be completed by low-pass, band-pass filter％ sig for signal％ fmin is the minimum frequency, when fmin for 0:00 for the low-pass filter, when fmin > 0, for the bandpass filter％ fmax is the upper limit frequency, fmax> fmin％ fs for signal sampling frequency％ y for the filtered signal)

matlab matrix processing functions

MATLAB-SIMULINK通信系统建模与仿真实例分析(MATLAB-SIMULINK communications system modeling and simulation analysis)

给出了一些matlab相关函数查询表，还有遗传算法的程序代码(the way of search function of matlab)

遗传算法与模拟退火,粒子群算法的结合与比较实验.稍微修改就可以学习应用(Genetic algorithms and simulated annealing, particle swarm optimization algorithm and comparison with experiment. A slight modification can learn the application of)

阐述了负荷预测的应用研究,包括压缩比、运行时间和计算复原图像的峰值信噪比,小波包分析提取振动信号中的特征频率。( It describes the application of load forecasting, Including compression ratio, image restoration computing uptime and peak signal to noise ratio, Wavelet packet analysis to extract vibration signal characteristic frequency.)

code describing jpeg with matlab

Harmony Search Algorithm

语音信号处理，对输入的语音信号进行分帧处理，短时傅立叶变换，最后画出语谱图(Speech signal processing, the input voice signal processing sub-frame)

Matlab simulink中S函数的写法,效果不错，可以仿真。(Written in Matlab simulink S function, good results can be simulated.)