matlab--AGC

采用lms均衡的ofdm仿真程序，希望对大家有用(Balanced by lms ofdm simulation program, we hope to be useful)

说明：  三相PLL锁相环的闭环系统仿真模型，仿真并分析三相输入信号包含谐波、不平衡、负序和直流偏移时锁相环的锁相结果(Closed-loop system simulation model of three-phase PLL phase-locked loop,Simulation and analysis of phase-locked loop results when three-phase input signals include harmonics, unbalance, negative sequence and DC offset)

能量和过零率的计算程序 能量和过零率的计算程序(ampzcr.m － 能量和过零率的计算程序 ampzcr.m － 能量和过零率的计算程序)

本例演示：如何依靠图形窗的 UserData 属性传送用户控件的图柄，从而保证回调动作正确执行。(the cases demonstrate : how to rely on the graphics window UserData attributes transmission users control plans handles, callback action so as to ensure correct implementation.)

这是一个语音情感识别预处理时分帧的源代码，毕业设计专用 (This is the source code of a speech emotion recognition preprocessing time division frames, graduation design)

this fils contains matlab code this fils contains matlab code this fils contains matlab code

Advantech PCI1720 DA driver on the Matlab/xpc platform.

使用低通滤波器从含有噪声的信号中提取有用的正弦波 (见实验指导书 实验九 数字滤波器中的第一题) 目的：用数字滤波器从含有高频噪声的采样数据中提取正弦信号。 要求：①输入信号为一正弦波，并加入一个白噪声的干扰来模拟信号传输中的随机干扰信号（用以模拟含有噪声采样序列）。 （模拟含有噪声采样序列具体可用正弦波信号叠加高频噪声来实现，为了使滤波效果明显，本实验的高频噪声是用高频均匀分布白噪声（Uniform）通过Butterworth高通滤波器过滤生成的，高通滤波器的截止频率设为10倍输入信号频率。） ②在程序中设计一个低通巴特沃斯滤波器，以滤除信号中的噪声分量，提取输入的正弦波信号 。 ③可调节信号滤波器的截止频率和阶数，可显示滤波前与滤波后的时域信号。 ④给出滤波前与滤波后的频谱特性的显示。 (Using low pass filter extracting useful sine wave signal containing noise(see experiment instruction digital filter in the first nine questions)Objective: to use digital filter sampling data extract containing high frequency noise sine signal.Requirements: (1) the input signal is a sine wave, and add a white noise interference to simulate the random disturbance signal of the signal transmission (to simulate contains noise sampling sequence).(simulated the sampling sequence contains noise available sine wave signal superposition of high frequency noise, in order to make the filtering effect is obvious, the experiment of high frequency noise is Uniform distribution with high frequency white noise (Uniform) by Butterworth high-pass filter to filter generated, high-pass filter cutoff frequency set to 10 times the size of the input signal frequency.)(2) in the program design a low-pass butterworth filter, in order to filter out the noise in the signal component, extract the input sine wav)

This method handles the border by repeating the closest values to the point accessed. This is different from matlabs border handling.

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