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costas_simulation_bak
该函数是实现Costas环仿真的Matlab编程,具有较好的性能(this function is to achieve Costas Loop Simulation Matlab programming, with good performance)
- 2007-06-06 22:04:12下载
- 积分:1
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inclinationerr
经典的多点法形状复原算法的逐次2点法和逐次3点法的程序。本程序对当存在随机误差和系统误差时产生的评价误差进行了分析。(classic multi-point method shape recovery algorithm Successive 2:00 and 3:00 successive Act procedures. When the right procedures exist random error and systematic error, caused by the error of evaluation analysis.)
- 2007-06-11 23:00:09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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Atken-interpolation
艾特肯插值方法源代码,用于科学计算和数据插值,适合学习matlab及工程技术人员参考。(Aitken interpolation source code for scientific computing and data interpolation, for learning matlab and engineering and technical officers.)
- 2013-12-31 10:41:25下载
- 积分:1
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Simulink-FuzzyPID
用simulink做的模糊PID控制,里面包括了3个模型,每个模型的fuzzy控制模块都是通用的。(To do with simulink fuzzy PID control, which includes three models, each model of the fuzzy control module are generic.)
- 2020-09-18 10:57:55下载
- 积分:1
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LFM
线性调频LFM脉冲压缩雷达仿真,线性调频脉冲压缩的Matlab程序,Word说明,运行结果(LFM LFM pulse compression radar simulation, LFM pulse compression of the Matlab program, Word shows, the results)
- 2009-09-09 21:23:58下载
- 积分:1
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Binary-text-digital-image
提出了一种可抗
几何攻击的二值文本图像水印算法. 该算法基于DCT,它将二值图像的DCT、图像的视觉特征向
量和加密技术有机结合起来,在提取水印时不需要原始图像,是一种实用的盲水印算法(We propose a geometric attacks against Binary Text Watermarking Algorithm. The algorithm is based on DCT, it binary image DCT, the image of the visual feature vector and encryption technology combine in the watermark without the original image is a practical blind watermarking algorithm)
- 2011-05-15 23:33:02下载
- 积分:1
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tCopulaFit
t-coupala 拟合 在matlab中使用的m文件(t-copula fit)
- 2011-10-19 15:50:10下载
- 积分:1
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RLS
用matlab实现RLS滤波,最小二乘估计算法是以最小误差平方和为优化目标的。(RLS filter using matlab, least squares estimation algorithm is the smallest sum of squared errors for the optimization objectives.)
- 2013-11-25 19:52:41下载
- 积分:1
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power_hvdc12pulse_test
高压直流输电模型,12脉动,可用于仿真分析(high voltage direct current, matlab model, 12 pulse, for the simulation and analysis)
- 2017-11-06 14:40:59下载
- 积分:1