Search - frequency spectrum estimation

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[matlab] pm_estimate DL : 0: 利用周期图法对序列的功率谱进行估计。数据窗采用汉明窗。假设在白噪声中分辨这三个不同频率的正弦信号,其相位是均匀分布在2PI的独立随机变量,而是一个单位白噪声.生成50个长度为N=512的的样本序列集合。 -use map cycle sequencing method of the power spectrum estimation. Data window using Hamming window. Assume that the white noise to differentiate between the three different frequency sinusoidal signal, its phase is uniformly distributed in the PI two independent random variables. but a flat white noise. Generating 50 length N = 512 samples of the sequence set.
Date : 2025-12-24 Size : 1kb User : lee
[matlab] capon DL : 0: 基于阵列天线的CAPON和MUSIC频率谱估计仿真分析比较-Array antenna based on the Capon and MUSIC frequency spectrum estimation Simulation Analysis and Comparison
Date : 2025-12-24 Size : 1kb User : 袁峰
[matlab] HosaToolbox DL : 0: 高阶统计量常用函数的源代码，以及其基本用法。其中包括参数模型高阶谱估计，线性预测模型，谐波恢复与DOA估计，非线性随机过程，wigner时频分析，时延估计等matlab源代码和一些基本用法。希望对大家有帮助！-Higher-order statistics of the source code for common functions, as well as its basic usage. Parameter model which includes higher-order spectrum estimation, linear prediction model, harmonic retrieval and DOA estimation, nonlinear stochastic process, wigner time-frequency analysis, such as time-delay estimation matlab source code and some basic usage. Hope everyone has to help!
Date : 2025-12-24 Size : 1.17mb User : 阿华
[matlab] music DL : 0: MUSIC谱估计程序，可以对信号进行频率估计，DOA估计，谱估计-MUSIC spectrum estimation procedure can be carried out on the signal frequency estimation, DOA estimation, spectrum estimation
Date : 2025-12-24 Size : 1kb User : xu
[matlab] QPSKcyclicspectral DL : 2: MPSK信号基于高阶循环谱估计载波频率matlab的代码-MPSK signals based on higher-order cycle of the carrier frequency spectrum estimation matlab code
Date : 2025-12-24 Size : 1kb User : 徐哲
[matlab] gaussian_filter DL : 0: 详细说明：1．利用自相关函数法和周期图法实现随机信号的功率谱估计。 2．观察数据长度、自相关序列长度、信噪比、窗函数、平均次数等对谱估计的分辨率、稳定性、主瓣宽度和旁瓣效应的影响。 --1. The use of auto-correlation function method and cycle map Method random signal power spectrum estimation. 2. Observation data length, the length of autocorrelation sequence, the signal to noise ratio, window function, the average frequency of the spectrum estimation resolution, stability, width and the main valve Sidelobe effects
Date : 2025-12-24 Size : 1kb User : yang
[matlab] MUSICSPACE DL : 0: 很好的空间music谱估计的例子空间傅里叶变换-A good example of space music spectrum estimation Fourier transform space
Date : 2025-12-24 Size : 1kb User : 何奎
[matlab] Periodogram-powe DL : 0: 平均周期图法和平滑平均周期图法估计功率谱从经典功率谱估计周期图法原理入手，从理论上分析了其存在的局限性，借助Welch算法对其进行修正。依靠Matlab强大的数值分析和信号处理能力进行实验!! 用周期图法和welch法分别估计了一下信号的功率谱密度。采样频率200Hz，时间序列长度2048，FFT数据点数2048。其中welch法使用hanning窗，窗口长度600．-Average periodogram and periodogram smoothing method to estimate the average power spectrum from the classical power spectrum estimation periodogram principle starting from the theoretical analysis of the limitations of its existence, with the Welch algorithm, amending them. Rely on the powerful Matlab numerical analysis and signal processing capabilities to experiment!! With periodogram and welch method were estimated signal power spectral density about. Sampling frequency of 200Hz, the time sequence length 2048, FFT data points 2048. Welch method which uses hanning window, the window length of 600.
Date : 2025-12-24 Size : 1kb User : renjie
[matlab] sjfb DL : 0: 各种随机分布的直方图，频谱估计图，频谱归一图-Various random distribution histogram, spectrum estimation map, the normalized frequency spectrum chart
Date : 2025-12-24 Size : 3kb User :
[matlab] LMS-Lattice-Algorithm DL : 0: 研究了自适应参数谱估计的基本原理，提出了基于最小均方误差(MMSE)准则的LMS格型滤波算法实现自适应参数谱估计的方法。通过对仿真测试信号和线性调频信号的计算表明，该方法能够在改善谱分辨率的同时提高运算效率，满足遥测速变信号的处理和分析计算的要求-This paper discusses the principle of adaptive parametric spectrum estimation．It provides an approach to es— timate power spectrum with a lattice filter according to the minimum mean square error(MMSE)criterion．The test re— sults of simulated observation signal and linear frequency modulation signal indicate this method improves the spectrum resolution and calculation eficiency，completely meets the requirements of the teleme data processing and analysis、
Date : 2025-12-24 Size : 149kb User : 李丽
[matlab] burg DL : 0: 谱估计中的伯格算法，利用matlab仿真，对信号频率做出估计-The Burg spectrum estimation algorithm using matlab simulation, to estimate the frequency of the signal
Date : 2025-12-24 Size : 1kb User :
[matlab] suijixihao DL : 0: 谱估计法分析随机信号，并对其进行傅里叶变换-Spectral analysis is a tool for signal analysis. Power spectrum estimation is based on limited data looking for signals, the frequency of random process or system components. It said random signal frequency-domain statistical characteristics, there is a clear physical meaning, is an important signal processing research content. Of random signals in the frequency domain, power distribution, that is the power spectral density or power spectrum. Power spectrum estimation has been widely used.
Date : 2025-12-24 Size : 1kb User : 高俊
[matlab] Power-spectrum-estimation DL : 0: 信号时正弦波加正态零均值白噪声，信噪比10db，信号频率2kHZ，采样频率100kHZ，数据长度N=256。 (1). 用周期图法进行谱估计。-Sine wave signal plus zero-mean normal white noise, SNR 10db, frequency 2kHZ, sampling frequency 100kHZ, data length N = 256. (1) with the periodogram spectral estimation.
Date : 2025-12-24 Size : 11kb User : 郭子子
[matlab] MeArModel DL : 0: MATLAB仿真实现AR模型，Yule-Walker 功率谱估计及AR模型频率响应-MATLAB simulation of the AR model, the Yule-Walker power spectrum estimation and the AR model frequency response
Date : 2025-12-24 Size : 2kb User : 黄忠
[matlab] xinhaochuli DL : 0: 信号处理，分段平滑法功率谱估计，频率平滑法功率谱估计-Signal processing, segment power spectrum estimation of the smoothing method, frequency smoothing method power spectrum estimation
Date : 2025-12-24 Size : 1kb User : 周发亮
[matlab] MUSIC DL : 0: 负正弦加白噪声随机过程下使用MUSIC方法进行信号频率估计仿真，信号样本数去1000，估计的自相关矩阵为8阶，分别采用AIC和MDL准则估计信号源个数，并画出相应的MUSIC频率估计谱线。-Negative sine plus white noise random process method using MUSIC frequency estimation simulation, signal samples to 1000, the estimated autocorrelation matrix of order 8, AIC and MDL criteria were used to estimate the number of signal sources, and draw the corresponding MUSIC frequency spectrum estimation.
Date : 2025-12-24 Size : 9kb User : zxf
[matlab] frequency-hopping-spread-spectrum DL : 0: 跳扩频信号的时频分析，对研究信号检测与参数估计的非常有帮助，时频图清晰明了，很好的程序-When frequency hopping spread spectrum signal analysis, the study of signal detection and parameter estimation is very helpful, time-frequency diagram clarity, good program
Date : 2025-12-24 Size : 4kb User : zhangzibo
[matlab] BPSK-frequency-estimate DL : 0: BPSK载频估计，用它的平方谱和四次方谱进行估计，能够在0dB情况下完成有效估计-BPSK carrier frequency estimation, with its squared spectrum and quartic spectrum estimation can be completed in the 0dB case valid estimation
Date : 2025-12-24 Size : 1kb User : 贺辉刚
[matlab] Power-spectrum-estimation DL : 0: 功率谱估计信号为两个正弦信号加高斯白噪声，各正弦信号的信噪比均为10dB，长度为N，信号频率分别为和，初始相位，取，取不同数值：0.3，0.25。为采样频率。分别用Levinson递推法和Burg法进行功率谱估计，并分析改变数据长度、模型阶数对谱估计结果的影响。-Power spectrum estimation signal into two sinusoidal signals applied Gaussian white noise, the SNR of each sinusoidal signal are 10dB, a length of N, respectively, and the signal frequency, initial phase, take, take different values: 0.3,0.25. Is the sampling frequency. Levinson recursive method were used and Burg method for power spectrum estimation, and change the length of the data analysis, the impact on the estimation model order spectrum.
Date : 2025-12-24 Size : 1kb User : gongzhizhen
[matlab] Power-spectrum-estimate DL : 0: 功率谱估计的目的是根据有限的数据给出信号、随机过程的频率成分分布。程序给出了功率谱估计的方法，并详细描述-The purpose of the power spectrum estimate is based on limited data given signal, the frequency component distribution of random process. Program gives the power spectrum estimation methods, and described in detail
Date : 2025-12-24 Size : 1kb User : 林松龙

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