ocr-code

灰色预测 GM（1,1）在数据量较少的情况下进行的灰色预测 (Grey GM (1,1) in the case of small amount of data for the Grey)

8进制相位调制数字基带传输的simulink模型 过高斯信道 有星座图(8PSK digital baseband transmission via Gauss channel with simulink)

一个最速下降法实现例子，有需要的可以看看(A steepest descent method to achieve an example, there is need to take a look at)

these m file can generate walsh sequence , gold sequence and walsh&m multiplexed sequence and can compute two sequences s correlation properties.

简单pid和串级pid的matlab仿真(Simple cascade pid pid and the matlab simulation)

通过matlab代码，FMCW调频连续波雷达的测距测角，意信号卷积的运算,并且绘制图象。( By matlab code, FMCW frequency modulated continuous wave radar range and angular measurements, Convolution operation is intended to signal and image rendering.)

基于MATLAB 的DTMF 信号的生成与解码(Based on the MATLAB DTMF signal generation and decoding)

依据矩量法对偶极子天线和单线行波天线进行分析,将其分为多个小段,分别计算各段上的电流,然后根据电流分布计算出远场和近场的场强波瓣图,从近场随距离的明显变化得出天线近场分析的必要性。(Dipole antenna and a single-wire traveling wave antenna analysis based on the method of moments, will be divided into multiple small pieces, respectively, to calculate the current on each segment, the field strength of the far-field and near-field lobe diagram is then calculated according to the current distribution, draw antenna near-field analysis of the need for significant change with distance from the near-field.)

：自准直仪是比较常用的测角仪器，其原理是检测激光形成的图像光斑的中心之间的距离，通过 ) 个中 心的横纵坐标差来计算物体偏离的角度 ’ 利用迭代阈值和图像分割等方法将光斑图像进行预处理，然后将得到 的图像分别用重心法、圆拟合法和匹配法进行中心定位，并最终进行偏离角度的测定 ’ 文中介绍了所使用的几 种方法，并进行了仿真比较，结果表明，圆拟合法更有优势 ’ (: Is more commonly used since the collimator angle measuring instrument, the principle is to detect the distance between the center of the laser spot image formed by a) a horizontal and vertical coordinates of the center differential to calculate the deviation angle of the object ' iterative threshold and image method of segmentation, such as the spot image preprocessing, and then the resulting image with the center of gravity method, respectively, round contemplated legitimate and matching method center position, and eventually for the Determination of the deviation angle of ' paper describes the use of several methods, and simulation comparison, the results show that the circle fitting more advantageous' )

MATLAB置乱加密DCT水印~~~~~~~~~~~~~~~~~~~~~~~(MATLAB is scrambled DCT watermark)