shiyan1

加入噪声的音乐信号的分帧后的短时能量和过零率的特性，用matlab语言的实现(Short time after joining the framing of the noise of the music signal energy and zero-rate characteristics using Matlab language)

MATLAB实例程序，非常好用，尤其对初学者，建议多上机编程练习(MATLAB example program, very easy to use, especially for beginners, the proposed multi-on programming exercises)

输入两个端点 作为圆柱端面上两个圆心 绘制斜圆柱(This function constructs a cylinder connecting two center points )

cnv_encd.m　卷积编码程序 viterbi.m　　卷积译码程序 其它的是viterbi.m中用到的子函数(cnv_encd.m convolution coding procedures viterbi.m other convolution decoding process is used in viterbi.m Functions)

科学运算语言matlab的程序设计有关的函数code.rar(Scientific computing matlab programming language-related function code.rar)

此程序实现构造小波基 (this program structure of this small Porgy program structure wavelet)

UKF PF 等滤波算法代码，比较全，适合与初学者仿真实验(UKF PF and other filtering algorithm code, more whole, suitable for beginners simulation with)

Timpul dat, face referire la selectarea timpului in functie de alegerile facute, simplu si usor de utilizat

说明：  坐标转换：已知n个点在a,b两坐标系中的坐标值，采用优化方法求转换关系（标准的7参数转换关系，x,y,z的移动，x,y,z的旋转，以及缩放系数）ps:附带空间旋转公式。input: points in A and B。 output：transfer relationship （u,v,w: shit of x,y,z。 a,b,g: rotate of x,y,z 。k：zoom）(Coordinate Transfer:A,B are tow coordinates. This program using optimal method to find the transfer relationship of A and B. input: points in A and B。 output：transfer relationship （u,v,w: shit of x,y,z。 a,b,g: rotate of x,y,z 。k：zoom） )

对声音信号进行butter低通滤波,对录入的信号进行傅里叶变换，同时对比滤波前后，声音信号的不同(Butter sound signal low-pass filtering, of the Fourier transform of input signals, while before and after filtering, different sound signal)