seperate

P0311：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(P0311 : use Butterworth (Butterworth) low-pass filter on the noise in the image smoothing)

PCH coding 编码仿真 ， matlab 实现(PCH code simulation, matlab implementation)

本章对该文档的目的、功能范围、术语、相关文档、参考资料、版本更新进行说明。(The purpose of this chapter to the document, functional scope, terms, related documentation, reference materials, updated version will be described.)

谱减法是一种比较简单的语音降噪的方法，在语音信号具有较高的信噪比的情况下具有良好的降噪功能。 (Spectral subtraction is a relatively simple pronunciation methods of noise in speech signal with high signal-to-noise ratio (SNR) of cases with good noise function.)

matlab教材附带的代码 可以运行.关于通信方面的仿真。(the matlab code about communitinication)

matlab与simulink通信系统建模与仿真实例分析。 本書系統地介紹了通信建模仿真方法和模型驗證技術，並結合作者近年在教學科研中所設計的大量基礎的和較深入的建模仿真實例，詳細討論了Matlab/Simulink作為仿真實現平台在電子與通信工程中應用的基本方法、技巧和難點。本書重點討論了建模仿真原理和相關的數值計算方法、模擬通信系統、模數轉換、調製與編碼、信道模擬、載波與符號同步、信道均衡、跳頻系統和直接擴頻系統、通信模型正確性評估、仿真數據驗證和數據處理技術等內容，並在仿真實例中展示了科學研究論文和報告所必須的數據處理和表現技巧。 本書提供了約150個建模仿真實例，80多道思考題，以及全部實例代碼和一個電子教案。這些實例根據基本數學原理，結合Simulink的S函數編程，也使用了通信工具箱、信號處理工具箱和相關模型庫的模塊和函數，以便於讀者追源求本，深入理解建模和仿真的實質。 本書可作為高等院校通信工程、電子信息類專業的本科生和研究生系統仿真課程的教材或進行相關課題研究的參考書，也可作為相關專業課程設計和畢業設計等綜合性實踐教學的指導材料，還可供通信工程專業技術人員、教師等作為解決通信系統設計、評估和建模仿真領域實際問題的參考資料。(matlab and simulink communications system modeling and simulation case study. This book describes the methods and models of communication modeling and simulation verification technology, combined with the author in recent years in teaching and research in the design of a large number of basic and more in-depth modeling and simulation examples are discussed in detail Matlab/Simulink Simulation as an electronic platform the basic method of communicating with the project application, skills and difficulties. This book focuses on the modeling and simulation, and the related numerical methods, analog communication system, analog to digital conversion, modulation and coding, channel simulation, carrier and symbol synchronization, channel equalization, frequency hopping spread spectrum system and direct system, a communication model is correct content uation, simulation, data validation and data processing technology, and scientific research papers and reports show the necessary data process)

Matlab教程函数含义经典文档Matlab tutorial function classical meaning of the document(Classical meaning of the document function Matlab Tutorial Matlab tutorial function classical meaning of the document)

avi2apic AVI提取帧 忽略对视频压缩方法(avi2apic AVI to a picture)

optimal dg allocation using pso forward backward

这个是集成的小型文档图像透视变形校正的matlab源码(This is a small integrated document image perspective distortion correction matlab source)