changfang

北大高慧璇版《应用多元统计分析》第7章7主成分分析MATLAB编程源码(Applied Statistical Analysis )

该程序可以构造一个不同行重列重下的QC-LDPC码，并做性能仿真(constructs qc-lpdc codes given size of sub-mnatrix(m), girth(g1), row (k) and column(j) weights)

DSP程序里IIR滤波结果跟MATLAB仿真结果相差很大是为什么?各位老兄: 我最近利用TI库函数里IIR滤波程序对一组数据进行滤波,IIR系数利用TI公司所提供的eziir.m(matlab程序)程序获得,在matlab里利用相同的系数对相同的数据进行滤波(DSP program results IIR filter with MATLAB simulation results are very different and why? You man: I have the use of library functions in TI procedures IIR filter to a group of data filtering, IIR coefficients provided by the use of TI' s eziir.m (matlab program ) procedures in matlab using the same coefficient in the same data filtering)

说明：  matlab均值平滑滤波器（3*3模板）(matlab mean smoothing filter (3* 3 templates))

Statistical signal proccesing linear chirp example

Patton Coupla 工具包，包含常见的时变和非时变Copula代码(Patton Coupla Toolbox)

说明：   该电路由一片四双向模拟开关集成电路CD4066为核心构成。每个电路内部有四个独立的能控制数字或模拟信号传送的开关。当水箱无水时，由于180K电阻的作用，使四个开关的控制端为低电平，开关断开，LED 不发光。随着水位的增加, 由于水的导电特性，使得IC的13脚为高电平，S1接通，LED1点亮。当水位逐渐增加时，LED依次发光指示水位。水满时， LED4发光， 显示水满。同时T1导通， B发出报警声，提示水已满。不需要报警声时，断开开关K即可。 (The circuit consists of a four-way analog switch integrated circuit CD4066 core composition. Within each circuit to control four separate digital or analog signal transmission in the switch. When the tank water, the role of the 180K resistor, so that the four low-side switch control, switch off, LED does not light. As the water level increases, the electrical properties of water, making the IC' s 13 feet high, S1 connected to, LED1 lights up. When the water level gradually increased, LED turn light level indication. Is full of water, LED4 LED display full of water. At the same time conducting T1, B alarm will sound, indicating that the water is full. Do not need to sound the alarm when the disconnect switch K can be.)

说明：  创建一个复数类，定义属性：实部、虚部。定义方法：复数加法、复数减法、复数乘法、求实部，求虚部，将复数输出，判断两个复数相等。通过一个类举例验证这些方法(Create a complex number class, custom attributes: the real part, imaginary part. Definition method: complex addition, complex subtraction, multiplication, complex, realistic Department, seeking the imaginary part, the complex output, determine the two complex numbers are equal. Verified through a class example of these methods)

自抗扰控制器的源代码,学习自抗扰的好东西！(ADRC controler )

基于S函数BP神经网络的PID控制器的研究与学习，方便简单，实用性特别强。(S function based on BP neural network PID controller research and study, convenient and simple, practical particularly strong.)