matlab-program

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 )

1拍摄一张包含两本成一定夹角放置的书的图像2获得书的边缘二值图像3通过hough变换在原始灰度图像中用红色标记出书的边缘，计算两本书的夹角(1 shot 1 into a certain angle contains two books placed on the edge of the image 2 receive the binary image 3 by hough transform the original gray image using the red mark the edge of a book to calculate the angle between the two books)

说明：  画方差图和收敛曲线图噢噢噢噢哦哦哦哦哦哦哦哦哦哦哦哦(Draw variance graph and convergence curve graph)

it s a ftcs method for finite diffrence equation.the equation ia a heat transfer equation and we solve the equation with this method

HORN ANTENNA FDTD CODE IN MATLAB 2D STRUCTURE

电力系统仿真.单相逆变桥，理想开关，整流器等(simulition of power electronics)

By using these matlab codes a simple BPSK modulation can be implemented. The format used is Polar NRZ

软判决在OQPSK解调中实现对信号纠错的分析与应用(Soft-decision in OQPSK achieve signal demodulation analysis and application of error-correcting)

The file is a simulation based on simulink about ofdm system.

P0301：数字图像矩阵数据的显示及其傅立叶变换 P0302：二维离散余弦变换的图像压缩 (P0301: the display of digital image data matrix and Fourier transform P0302: two-dimensional discrete cosine transform image compression)