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ARMA_LAST
ARMA源程序，需要spa_corc.m文件支持。(ARMA source, need spa_corc.m file support.)
- 2012-09-11 21:51:49下载
- 积分：1
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fangzhen
实验一 双极性矩形随机信号的归一化功率谱密度一
1.1 功率谱密度简介
平稳过程的任何一个非零样本函数的持续时间为无限长，显然都不满足绝对可积和总能量有限的条件。因此，它的傅里叶变换不存在即没有频谱函数。所以我们用功率谱密度来表述其频谱特性。
随机过程的任一实现是一个确定的功率型信号。而对于任意的确定功率信号f(t)，它的功率谱密度为：
式中， 是f(t)的截短函数 对应的频谱函数。f(t)是平稳随机过程 的一个实现。而随机过程某一个实现的功率谱密度不能作为过程的功率谱密度。过程的功率谱密度应该看作是任一实现的功率谱密度的统计平均，即
虽然该式给出了平稳随机过程的功率谱密度，但我们通常都不利用这个式子来计算功率谱。我们知道，确知的非周期功率信号的自相关函数与功率谱密度是一对傅里叶变换。对于平稳随机过程，也有类似的关系，即
和
对于平稳随机过程我们通常先求出其自相关函数再利用上式求出其功率谱密度。
1.2 实验要求
1.了解平稳随机信号功率谱的概念及计算方法
2.仿真不同占空比，等概、非等概双极性矩形随机信号的归一化功率谱密度
3.分析不同信号所包含的频谱分量，有无直流分量和定时分量信息
(A pair of rectangular random experiment polarity signal sample return a nonzero function of any duration power spectral density of a 1.1 power spectral density of a stationary process Introduction of infinite length, apparently not satisfied absolutely integrable and the total energy of the limited conditions. Therefore, it is the Fourier transform of the spectrum that does not function does not exist. Therefore, we use the power spectral density to express their spectral characteristics. Any random process is a realization of a certain type signal power. For arbitrarily determined power signal f (t), its power spectral density is: wherein, is f (t) is a function corresponding to the truncated spectrum function. f (t) is a stationary random process of realization. The random process to achieve a certain power spectral density can not serve as the power spectral density of the process. Power spectral density process should be seen as a statistical average power spectral density of any r)
- 2014-11-30 20:39:29下载
- 积分：1
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pedulum_pp
改进之前做过的倒立摆控制程序，使用PP控制并分析其性能(Improvements done before the inverted pendulum control procedures, the use of control and analysis of its performance PP)
- 2011-12-20 09:54:36下载
- 积分：1
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seismodel
地震资料处理中常用的地震模型，本程序提供了五种模型，供大家交流学习(Commonly used in seismic data processing seismic model, this program offers five models for learning to share)
- 2010-07-14 09:32:14下载
- 积分：1
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trackHu
轨迹跟踪---船舶航迹控制，典型的欠驱动控制问题。两种算法，采用了matlab---simulink，直观明了。(Sailing ship trajectory tracking control, a typical under-actuated control. Two algorithms using matlab--- simulink, intuitive and clear.)
- 2020-06-29 08:00:02下载
- 积分：1
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matlabprogram1
matlab精品程序，非常有用。希望大家喜欢！(matlab quality procedures, very useful. I hope everyone likes!)
- 2007-11-05 10:42:25下载
- 积分：1
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matlabtools
MatLab工具箱应用指南：控制工程篇。很实用的各种命令，还有讲解。(MatLab Application Toolbox Guide: Control Engineering articles. A variety of very useful commands, as well as to explain.)
- 2010-12-01 16:18:12下载
- 积分：1
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1
说明： 关于Bayes分类器的 实验数据都有,下载查看内容(about Bayes, you can down it,have data and code)
- 2012-02-10 19:53:34下载
- 积分：1
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BER APSK
16apsk信噪比与误码率曲线的仿真及星座图(16apsk signal to noise ratio and bit error rate curve simulation)
- 2021-03-29 23:09:10下载
- 积分：1
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slcp
倒立摆模型源码及机构图，可以方便大家对于倒立摆模型的应用及改造(Inverted pendulum model source and organization chart, can facilitate the application of the inverted pendulum model and transformation)
- 2013-12-10 20:35:29下载
- 积分：1
