yichuansuanfa

说明：  实现声音时域分析，达到对声音信号短时能量的图形描绘分析(Time domain analysis to achieve the sound, the sound signal to the graphic description of short-term energy)

qrs detection in ECG signals

本程序是计算二维光子晶体能带的程序，编程思路清晰，注释详细易懂，适合初学者参考，多谢。(This procedure is to calculate the two-dimensional photonic crystal band program, programming ideas clearly, annotation and easy to understand in detail, suitable for beginners reference, thanks a lot.)

contour operator for image processing and computer vision

MDPSAS工具箱是马里兰大学开发的，基于MATLAB的一套面向对象的模块化仿真工具箱。包含半导体生产过程中的许多对象，对于研究学习是很好的指导材料。(mdpsas is a MATLAB-based set of object-oriented modular simulation tools for solving lumped and spatially distributed models generated from chemical process design and simulation problems. The framework facilitates an evolutionary approach to simulator development, starting with a simple process description and building model complexity and testing modeling hypothesis in a step-by-step manner)

这是一个用matlab编写的，基于CAMC，pid神经网络的非线性系统识别程序，能够很好的识别非线性系统(Based on CAMC/PID Nonlinear System Identification)

filling an area between two curves

本书包含MATLAB使用和数学知识的丰富层次。编著本书有四个主要目的：（1） 帮助初学者顺利跨入MATLAB大门；（2） 全面、多层次、细致而深入地叙述MATLAB中数值、字符串、胞元、构架、逻辑、函数句柄六种重要数据类型的应用规则、相互配用和编程规范；（3） 由浅入深地阐述MATLAB三种建模、分析、仿真环境——数值计算、符号计算和Simulink环境的特征和使用要领；（4） 以实例讲述MATLAB代表的现代计算能力对传统算法和思维的影响。(Book contains rich levels of using MATLAB and mathematics knowledge. Compiled the book has four main purposes: (1) help beginners MATLAB entered the door smoothly (2) comprehensive, multi-level, meticulous and thorough account Numbers, strings, cell yuan, in the MATLAB framework, logic and function handles six important application rules, with each other and programming of the data type specifications (3) describes the MATLAB distinguished three kinds of modeling, analysis, simulation environment, numerical and symbolic computation and Simulink environment characteristics and use of the essentials (4) with examples about MATLAB on behalf of the modern computing power s influence on the traditional algorithm and thinking. )

信号的希尔伯特-黄变换，IMF分解，对IMF进行Hilbert处理，绘制二维/三维时-频图，时间-能量图(瞬时能量谱) ，频率-能量图（希尔伯特谱）(Hilbert signals- Huang Transform, IMF decomposition of the IMF Hilbert processing, rendering 2D/3D time- frequency diagram, time- energy (instantaneous energy spectrum), the frequency- energy (Hilbert spectrum))

《自适应滤波器》教材第四章代码，很全面，对应(" Adaptive Filter" textbook Chapter IV code, very comprehensive, correspondence)