Face-recognition-matlab-codes

OFDM下行的仿真1、产生要传输随机数； 2、进行调制； 3、串并转换； 4、进行IFFT操作（代码中有用到共轭对称向量的IFFT为实数进行简化计算）； 5、增加循环前缀； 6、并串转换； 7、输出前滤波； 8、增加信道噪声（加性高斯白噪声）； 9、接收端串并转换； 10、去除循环前缀； 11、进行FFT变换； 12、信号解调； 13、误比特率计算； (OFDM downlink simulation 1, have to be transmitted random number 2, the modulation 3 series and transforms 4, the IFFT operation (code useful to conjugate symmetric vector of the IFFT of real numbers to simplify calculations) 5, the increase in circulating prefix 6, and string conversion 7, the output before the filter 8, increased channel noise (additive white Gaussian noise) 9, the receiver string and conversion 10, removal of cyclic prefix 11, the FFT transform 12 , the signal demodulation 13, bit error rate )

说明：  第6章 无约束一维极值问题 所在章节 函数名 功 能 6.1 minJT 用进退法求解一维函数的极值区间 6.2 minHJ 用黄金分割法求解一维函数的极值 6.3 minFBNQ 用斐波那契法求解一维函数的极值 6.4 minNewton 用牛顿法求解一维函数的极值 6.5 minGX 用割线法求解一维函数的极值 6.6 minPWX 用抛物线法求解一维函数的极值 6.7 minTri 用三次插值法求解一维函数的极值 6.8.1 minGS 用Goldstein法求解一维函数的极值 6.8.2 minWP 用Wolfe-Powell法求解一维函数的极值 (Chapter 6 unconstrained extremum problem one-dimensional sections of the functional 6.1 minJT function method for solving one-dimensional with the advance and retreat of the extreme range of 6.2 minHJ function of the golden section method using one-dimensional function of the extreme 6.3 minFBNQ use Fibonacci method one-dimensional function of the extreme 6.4 minNewton Newton method with one-dimensional function with extreme 6.5 minGX one-dimensional secant method to solve the extreme 6.6 minPWX function method for solving one-dimensional parabolic function of the extreme 6.7 minTri method with cubic interpolation one-dimensional function of the extreme 6.8.1 minGS Goldstein method with one-dimensional function of the extreme 6.8.2 minWP Wolfe-Powell method with a one-dimensional extreme value function)

彩色水印提取算法，含说明，希望对大家有用(Color watermark extraction algorithm, with that, we hope to be useful)

naive bayes分类法的matlab实现，包含训练和测试部分(naive bayes classification matlab realize, including training and testing parts)

可以实现相参频率步进变换的脉冲信号的模糊函数，有结果和图(Coherent frequency step can transform pulse signal ambiguity function, outcome and Figure)

矩形波导三维仿真程序，输入矩形波导的尺寸，函数可以计算出矩形波导TE波，TM波的的三维矢量图(the simulation program of the rectangular waveguide. input the size of the waveguide, the program can calculate the TE and TM wave of the waveguide and plot the three dimession figure.)

将COMTRADE格式的数据转换成为真实的电气量值，并绘制波形(COMTRADE format of the data will be converted into actual electrical value, and draw the waveform)

MTI，LFM脉冲串信号，对多目标回波进行脉冲压缩，再进行MTI。(MTI, LFM pulse train signal, multi-target echo pulse compression, then MTI.)

光子筛孔分布的例程，环数相同，用于光子筛成像时使用(Photon sieve distribution routines same ring number, is used for imaging photon sieve)

包含了多个matlab编程在图像中加入水印的处理代码(Contains a number of matlab programming to add watermark in image processing code)