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说明：  研究生时的现代信号处理作业，matlab编程，包括卡尔曼和维纳滤波(Graduate School at the time of operation of modern signal processing, matlab programming, including the Kalman and Wiener filtering)

load flow in power system ieee 39 bus

matlab 无功电流检测 ip-iq法(matlab reactive current detection ip-iq method)

该文件时通信原理中的最基本的数字调制方式BPSK（二进制相移键控），希望对大家学习有帮助(When the file is the basic communication principle of digital modulation BPSK (binary phase shift keying), we hope to learn helpful)

(MATLAB) On the companion website, you will find in the directory Chap exercises/chapter3 a workspace ex3M2.mat. In this workspace, you will find waveforms of the words “we” and “be” (at 10000 samples/s) in the array we be 10k. The waveforms and a spectrogram of the waveforms are shownin Figure 3.33. To display the spectrogram andwaveform, use the function specgram ex3p19.m also in Chap exercises/chapter3. To listen to the waveform, use the MATLAB function sound.m.

改进的混合高斯背景模型，用于检测运动目标，能够有效的提取前景(Improved gaussian mixture background model, used to detect moving targets, and can effectively extract prospect)

Matlab程序为清华大学胡广书版信号处理的上机习题答案(Matlab procedures for Qinghua University HU-book version of the signal processing on the answer machine Exercises)

说明：  本程序展示了二维归一化互相关用于 &nbsp 模式匹配和目标跟踪。该程序提示用户选择感兴趣的（ROI）的区域和对同类目标进行跟踪的数目。归一化交叉相关图表明，当值已超过设定的阈值时目标就已经确定。(This demo illustrates the use of 2-D normalized cross-correlation for pattern matching and target tracking. The demo prompts the user to select the Region of Interest (ROI) and the number of similar targets to be tracked. The normalized cross correlation plot shows that when the value has exceeded the set threshold, the target has been identified.)

输入参数接非线性薛定谔方程，没有标准化过的U，需要U0(Input parameters then the nonlinear Schrö dinger equation, there is no standardized over the U, needs U0)

通信原理matlab仿真时延扩展仿真适用各种环境(Communication Principles Simulation of delay spread matlab simulation for a variety of environments)