period2

最小二乘法拟合，基于matlab的算法，拟合研究的一部分(LSF Least Square Fit )

电网谐波分析 用加汉明窗插值计算电网谐波频率 幅值 和相角。以快速傅里叶变化fft为基础(Harmonic analysis of power system using Hamming window interpolation calculation of the harmonic frequency amplitude and phase angle. The changes of FFT based on FFT)

Beam Analysis Matlab Codes

说明：  针对铣削过程建立的动力学方程，推导出可用以指导加工的稳定性叶瓣图，获得各主轴转速下对应的极限切深。(According to the dynamic equation of milling process, the stable lobe diagram which can be used to guide machining is derived, and the corresponding limit cutting depth of each spindle speed is obtained.)

线性相位FIR低通滤波器和48阶带通滤波器，并进行了比较的源程序。(Linear phase FIR low-pass filter and 48-order band-pass filter, and a comparison of the source.)

按照用户输入的压缩率，完成对灰度图的压缩(Compression ratio in accordance with user input to complete the compression of grayscale)

matlab源代码matlabmatlabmatlab(matlab matlabmatlabmatlabmatlab)

说明：  有两个矩阵a和b，均为2行3列。求矩阵之和。(There are two matrices a and b, are two rows 3. Demand matrices, and.)

说明：  感知无线电中空闲频谱感知的双次协作检测算法仿真(double cooperative detection in spectrum holes)

将segy数据转成txt文件可用于地震资料(Txt will be converted into segy)