synchrogram

说明：  图像压缩去噪增强锐化程序，供大家参考。 包括：数字图像矩阵数据的显示及其傅立叶变换 二维离散余弦变换的图像压缩 采用灰度变换的方法增强图像的对比度 采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波 图像的自适应魏纳滤波 运用5种不同的梯度增强法进行图像锐化 图像的高通滤波和掩模处理 利用巴特沃斯（Butterworth）低通滤波器对受噪声干扰的图像进行平滑处理 利用巴特沃斯（Butterworth）高通滤波器对图像进行锐化处理-(Sharpen Image Compression Denoising enhanced procedures for your reference. Include: digital image data display matrix and its Fourier transform two-dimensional discrete cosine transform image compression method using gray-scale transformation of the contrast-enhanced images using two-dimensional median filter function by medfilt2 of salt and pepper noise image filtering using MATLAB The function affected by noise interference filter2 images mean filter Adaptive Image Filtering Wehner use five kinds of different gradient method to enhance image sharpening images of high-pass filtering and mask treatment using Butterworth (Butterworth) low pass filter noise by smoothing the images deal with the use of Butterworth (Butterworth) high-pass filter for sharpening images treatment)

编程仿真连续小推力实现GTO到GEO的三阶段转移过程，其中推力器的推力大小为0.8N，轨道机动的起始点为GTO的远地点。GTO轨道的升交点赤经为0度，近地点角距为90度。 GTO轨道： ph:185km，ah：35786km，i：28.5°，GEO轨道：h：35786km，i：0°。 卫星质量为6600kg，从GTO到GEO，采用5000s的推力器。取地球半径为6378km，g取值为9.8m/s^2(The three stage transfer process from GTO to GEO is realized by simulation and continuous small thrust. The thrust of the thruster is 0.8N, and the starting point of orbital maneuver is the apogee of GTO. GTO orbit RAAN is 0 degrees, 90 degrees for the argument of perigee. GTO orbit: ph:185km, ah:35786km, i:28.5, GEO orbit: h:35786km, i:0. The mass of the satellite is 6600kg, from GTO to GEO, using the 5000S thruster. The radius of the earth is 6378km, and the value of G is 9.8m/s^2)

介绍怎么通过matlab完成线性代数的运算,入门教程，简单易懂！(How to introduce, through the completion of linear algebra matlab computing, Getting Started tutorials, easy-to-read!)

关于独立成份分析中的若干算法的程序,一个优化的计算四阶ICA/BSS的算法(a number of source code about independent component analysis algorithm.A computationally optimized fourth-order based ICA/BSS algorithm)

一种SSB调制与解调的MATLAB实现,其中用到了Hilbert变换(A method of SSB modulatie and demodulate using Matlab)

说明：  双稳态随机共振与时间同步的相关性研究可以改变随机共振原则改变系统工作环境(is investigated the characteristics of stochastic resonance of the signal added Gaussian white noise in a bithreshold system)

说明：  薛定宇《高等应用数学问题的MATLAB求解》(On Compensation &quot Higher Mathematics MATLAB to solve the problem&quot )

The library of linear classifier

理想低通滤波器特性曲线绘制 频率图分析 升余弦滤波器特性曲线绘制 频谱图分析 部分响应系统滤波器特性曲线(Ideal low-pass filter frequency characteristic curve analysis drawn up cosine filter characteristic curve analysis part of the spectrum mapping system filter response curve)

Fresnel函数计算相对折射率所面临的问题是计算量较大，利用实测数据计算散射系数并作图显示结果(Fresnel function by calculating the relative refractive index is a calculation of the problems faced by large, using the measured scattering coefficient data and mapping the result will be displayed)