D4_15072

基于MATLAB/SIMULINK软件，可实现三相静止坐标系变化到两相旋转坐标系的变换矩阵模型(There is a coordinate transformation.)

this *.m file is the implementation of fibonacci search that is used for finding gradient vector in optimizaiton algorithm(this*.m file is the implementation of fibonacci search that is used for finding gradient vector in optimizaiton algorithm)

Nonuniform mesh semivector: Illustrates usage of the semivector modesolver to calculate the quasi-TE and quasi-TM modes of a ridge waveguide. Use the stretchmesh function to expand the size of the computation window at the edges without increasing the number of gridpoints.

本程序实现chebyshev I型低通滤波(the program chebyshev I-low-pass filter)

SMOOTH uses a vectorized implementation that may be slow when X and/or FRAME_LENGTH are very large. The number of elements that are used for calculation is length(X)*FRAME_LENGTH. The algorithm vectorizes the operation by creating a matrix of indexes and extracting its diagonals. E.g. for a vector of length 4 and frame_length of 2, the algorithm creates a temporary zero-padded matrix x2 from which it creates a set of indexes:

m-file for recording and playing audio

matlab图像处理函数集锦，matlab6.0常用的图像处理函数(matlab image processing)

不同发射天线数目下，空时分组编码STBC的仿真(Under different number of transmit antennas, space-time block coding STBC simulation)

计算PSNR。可直接调用，两个输入参数im1,im2为两个图象序列，返回值为PSNR的值。(Calculation of PSNR. Can be called directly, two input parameters im1, im2 two image sequences, the return value is the PSNR.)

此程序为matlab庞加莱截面程序，能够为非线性动力系统提供判断周期与概周期运动提供理论依据(This procedure for the Poincaré section matlab program that can provide decision period and almost periodic motion of nonlinear dynamic system provides a theoretical basis)