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该代码实现产生一个窄带随机信号,该信号的自相关函数及其功率谱图形。-The code generates a narrow-band random signal, the autocorrelation function and power spectrum graphics.
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利用FFT方法和维纳-辛钦定理自相关函数获得功率谱的对比。-Using FFT method and Wiener- Khintchine theorem to obtain the autocorrelation function of the power spectrum contrast.
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随机信号谱分析技术实现 随机信号谱估计及质量评价。
离散随机信号通过线性时不变系统时,系统所产生的响应。
功率谱估计的实现方法:自相关函数法、周期图法、Bartlett法、Welch法、MTM法、MUSIC法
-Random signal spectral analysis of random signal spectral estimation and quality evaluation. Discrete random signals through linear system
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二进制序列发生器及其功率谱和自相关函数的实现-Binary sequence generator and the power spectrum and autocorrelation function of the realization of
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用matlab仿真随机信号的调制解调,并绘制调制信号、已调信号、解调信号、输出信号的频谱、功率谱密度,自相关函数-Matlab simulation of random signals with modulation and demodulation, and draw the modulation signal, modulated signal, the demodulated signal, the output signal spectrum, power spectral densit
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产生一个随机信号和两个不同频率但频率间隔很小的正弦信号,要求对两信号之和进行如下分析:
(1) 求该随机信号的自相关性系数、自相关函数,画出对应的图形;
(2) 利用不同的参数建模方法求出两个随机信号的功率谱;
(3) 利用极大似然估计、递推最小二乘法等常用的参数估计方法估计所建模型,包括AR模型、MA模型和ARMA模型的的参数,阶次自定;并与Matlab工具箱里的一些建模函数的运算结果进行比较;
(4) 利用陷波滤波和MUSIC滤波方法对该信号的频谱进行估计;
(5) 利
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Matlab中由两个均匀分布随机变量产生高斯白噪声,以及自相关函数和功率谱图-Matlab by two uniformly distributed random variables have a Gaussian white noise, and the autocorrelation function and power spectrum
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完成对一段语音信号的短时分析,语音信号要包括清音、浊音和无声段,求其短时平均能量、短时平均过零率、短时自相关函数和短时功率谱;-Complete short-term analysis of a voice signal, the specific requirements: a voice signal to include the voiceless, voiced, and silent segments 2, find its short-term average energy, sh
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用MATLAB实现的卡尔曼滤波,根据有用信号和干扰噪声的统计特性(自相关函数或功率谱),以线性最小均方误差(MSE),能最大程度的滤除干扰噪声,提取有用信号。-Kalman filter using MATLAB, based on the statistical properties of the useful signal and interference noise (autocorrelation function or power spectrum), linear minimum m
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matlab用设计一个信号发生器,并同时画出信号的时域表示,自相关函数及功率谱。白噪声,单位冲激信号,正弦信号,方波信号,三角波信号-matlab design with a signal generator, and at the same time draw time-domain signal representation, the autocorrelation function and power spectrum. White noise, unit impulse signal,
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采用MATLAB 2015b综合运用各种函数调用等来实现语音信号时域的短时能量,短时过零以及短时自相关函数分析和频域的傅里叶变换,功率谱估计,短时傅里叶变换,小波分析,语音信号的短时综合,语谱图各种分析,充分了解熟悉语音信号的相关分析方法。(This experiment uses the MATLAB 2015 b, the integrated use of various kinds of function call to realize speech signal in time dom
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简单地绘制BOC(1, 1)调制信号的功率谱密度及其自相关函数曲线,仅供参考。(Simple drawing BOC (1, 1) density and autocorrelation function curve of power spectrum of the signal modulation, for reference only.)
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实现了一个基于 matlab 的信号发生器,并同时画出了信号的时域表示,自相关函数及功率谱,实现的信号发生器能够产生的信号为: (1) 白噪声 (2) 单位冲激信号 (3) 正弦信号 (4) 方波信号 (5) 三角波信号(A signal generator based on MATLAB is realized, and the time domain representation, autocorrelation function and power spectrum of the sign
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