DCT

this source code is wwert matlab

说明：  在3d不光滑曲面上的射线跟踪算法，效果比较好，希望可以帮助到大家(3d surface is not smooth in the ray-tracing algorithm, the effect is good, hope you can help to)

说明：  标准响应面代理模型可用于可靠性分析，优化设计等结构分析领域(Standard Response Surface Agent Model can be used in structural analysis fields such as reliability analysis, optimization design, etc.)

matlab for drawing gaussian signal and wideband

GammaMap滤波器函数，很好用，MATLAB语言。(GammaMap filter function, useful, MATLAB language.)

数字广播系统中前向纠错编码器的MATLAB实现(Digital broadcasting systems FEC encoder MATLAB Implementation)

VSNLMS algorithm for matlab dsp

adaboost code for training and testing see instructions inside

sar图像去噪的几种新的方法，通过反复训练模板能有较高的识别率，快速扩展随机生成树算法。( Several new methods sar image denoising, Through repeated training XyjPRvRlate have higher recognition rate, Rapid expansion of random spanning tree algorithm.)

求出多个信号的FFT频率并显示谱图，同时求出多个信号的功率谱并显示谱图(The FFT frequency of multiple signal and display the spectrum diagram, at the same time, the power spectrum of multiple signal and display spectrogram )