up_down_sample

该代码首先对ECG信号进行消噪过滤，并且对信号进行平方，加窗等处理，最后用于对QRS波形的检测，压缩文件内同时包含了2个心电数据信号，可直接用于测试(The code first ECG signal de-noising filter, and the square of the signal, such as window handle, and finally used for the detection of QRS waveform, at the same time compressed file contains two ECG data signals can be directly used to test)

c++语言中利用输入输出流来实现各种复杂图形的绘制(c++ language, using input and output streams to achieve the rendering of complex graphics)

在matlab环境下实现DV-HOP算法 (DV-HOP algorithm implemented in Matlab environment)

刘金琨老师书上很好的滑模程序,很详细很有代表性。(Liu Jinkun teacher good book sliding mode program.)

仿真最佳升余弦滚降系统，其中信噪比可调。(Simulation of the best raised cosine roll-off system, adjustable noise ratio.)

matlab 50个练习的好例子,包括常见的算法和数学公式,方便学习(matlab 50 months of good practice examples, including the common algorithms and mathematical formulas to facilitate the learning)

锁相环simulink源码,难得的好代码，不要错过！(PLL simulink sourcecode is a good program,please download now!)

几个Matlab编程示例，其中包括：单位抽样序列、复正弦序列、离散系统的差分方程、冲激响应和卷积分析、离散系统的频率响应分析和零、极点分布、基于Matlab的数字滤波器设计和FFT算法的应用等。(Some Matlab programming examples, including: random sequence of units, rehabilitation Sine sequences, discrete-time systems of differential equations, impulse response and convolution analysis of the frequency response of discrete-time systems analysis and zero pole distribution of the digital filter based on Matlab FFT algorithm design and applications.)

说明：  动态规划相关介绍，入门的朋友可以看看。欢迎大家下载啊~~~~~(Dynamic programming related presentations, entry-friends can see. Welcome to download ah ~~~~~)

文件中包含一个用matlab simulink搭建的光照强度模型和一个画出不同月份某一天光照强度随时间变化曲线图的matlab脚本程序。(File contains a model of the light intensity with matlab simulink to build and a month to draw different light intensities a day versus time graph matlab script.)