matlab_vlfeat

LDPC的仿真程序，采用BPSK调制，随机化生成方法(LDPC simulation program, using BPSK modulation, randomized Generation)

波束形成中运用givens旋转来查找权值的算子(Use of givens rotation beamforming operator to find the right value)

This program is about simplex2f!

该函数将检测输入的序列是否是平衡的序列，以加以挑选，例如在扩频通信中的地址码就需要具有良好平衡性的gold序列(The function will detect whether the input sequence is a balanced sequence, in order to be selected, for example, in Spread Spectrum Communication address code on the need to have a good balance of the gold sequence)

说明：  视屏开发程序，主要是客服端代码，已经在应用中使用(video client develop)

产生一个正弦衰减曲线，进行快速傅里叶变换，并画出幅值图，相位图，实部图，虚部图(Decay to produce a sine curve, the fast Fourier transform, and draw magnitude diagram, phase diagram, the real figure, the imaginary part of Fig.)

完成了PLL锁相环路的产生和控制，其中输入为30kHz，输出为100kHz。(complete the PLL s function,convenent to produce and control,and the frequency of input source is 30kHz,the output is 100kHz)

说明：  RS码的编码和译码程序，迭代译码，程序调试通过(RS encoding and decoding program code, iterative decoding, program debugging by)

可以通过输入刚度或阻尼数组，生成刚度（阻尼）矩阵。(The stiffness (damping) matrix can be generated by input stiffness or damping arrays.)

基于Hough变换的人眼虹膜定位方法 MATLAB程序(A Method of Iris Location for Human Eye Based on Hough Transform and MATLAB Program)