Search - frequency spectrum estimation

Search - frequency spectrum estimation - List

[Other] matlabdsp DL : 0: 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 : 6kb User : 开心
[Other] sin102 DL : 0: 用MATLAB编写的一个多频正弦信号的AR模型功率谱估计程序用的是LEVISION算法阶数判定使用的是最优算法并与库函数进行对比-MATLAB prepared a multi-frequency sinusoidal signals in the AR model power spectrum estimation procedures using the electron ISION algorithm order determined using the optimal algorithm and with the contrast function
Date : 2025-12-24 Size : 2kb User : wang jian
[Other] ARPUFENXIYUZISHIYINGZHENGQIANGQI DL : 0: 构造一组输入为白噪声加三个频率非常接近的正弦波，其信噪比为10dB，观测长度为256。试分别用普通AR谱估计和采用功率噪声抵消算法的AR谱估计估计这组信号的频率，并比较结果。-constructed a group of white noise input plus three very close to the frequency sine wave, the signal-to-noise ratio of 10dB. Observing length of 256. Were used to test the general AR spectral estimation using power and noise canceling algorithm for the estimation of AR spectrum estimation of this group of signal frequency, and the results of the comparison.
Date : 2025-12-24 Size : 46kb User : zhangyun
[Other] center_freq DL : 0: 现代谱估计中用修正协方差的方法估计中心频率中心频率用功率谱估计 -Center frequency in power spectrum estimation
Date : 2025-12-24 Size : 306kb User : zhang
[Other] FSM DL : 0: 使用频域平滑的方法来实现信号循环谱估计的算法-The smooth frequency domain signal cyclic spectrum estimation algorithm
Date : 2025-12-24 Size : 1kb User : 王志
[Other] amp-latency-AR-test DL : 0: Burg算法功率谱估计,采样点数nfft不会影响MAX值和位置. s=data22(6,:) s=s(50:150) nfft=2048 fs=500 EEG [px1,f1]=pburg(s,6,nfft,fs) figure plot(f1,px1) title( CI——Burg算法功率谱估计 ) xlabel( Frequency(Hz) ) ylabel( Power ) IndMax=find(diff(sign(diff(px1)))<0)+1 MAX=px1(IndMax) loc=f1(IndMax) figure plot(f1,px1) title( CI——Burg算法功率谱估计 ) xlabel( Frequency(Hz) ) ylabel( Power ) hold on plot(loc(1),MAX(1), * ) hold on plot(loc(2),MAX(2), * ) hold on plot(loc(3),MAX(3), * ) - Burg algorithm for power spectrum estimation, sampling points nfft MAX value and does not affect the position of s = data22 (6, :) . S = s (50:150) nfft = 2048 fs = 500 EEG [px1, f1] = pburg (s, 6, nfft, fs) figure plot (f1, px1) title (' CI- Burg algorithm for power spectral estimation' ) xlabel (' Frequency (Hz)' ) ylabel (' Power' ) IndMax = find (diff (sign (diff (px1))) < 0)+1 MAX = px1 (IndMax) loc = f1 (IndMax) figure plot (f1, px1) title (' CI- Burg algorithm for power spectral estimation ' ) xlabel (' Frequency (Hz) ' ) ylabel (' Power ' ) hold on plot (loc (1), MAX (1),' * ' ) hold on plot ( loc (2), MAX (2), ' *' ) hold on plot (loc (3), MAX (3), ' *' )
Date : 2025-12-24 Size : 1kb User : yanlili0703
[Other] MUSIC DL : 0: （1）采用AIC和MDL准则估计信号源个数；（2）根据（1）中信源个数画出相应的MUSIC频率估计谱线。 -(1) using the AIC and MDL sources estimate the number of criteria (2) according to (1) the number of sources of CITIC MUSIC draw the corresponding frequency spectrum estimation.
Date : 2025-12-24 Size : 3kb User : 蔡蓉
[Other] MPSK- DL : 0: 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 loop carrier frequency spectrum estimation matlab code
Date : 2025-12-24 Size : 2kb User : chenzhiyu
[Other] music DL : 0: 对随机信号的功率谱估计，采用多重信号分类进行频率估计-Estimate of the power spectrum of random signals, signal classification using multiple frequency estimation
Date : 2025-12-24 Size : 129kb User : 郝爽
[Other] power-spectrum-estimation DL : 0: 分别使用MVDR、Root-Music和ESPRIT三种方法对信号频率估计进行仿真实验，其中噪声为复正弦加性白噪声，给出正弦信号频率的估计值。-Using MVDR, Root- Music and ESPRIT three methods to estimate the signal frequency simulation experiment respectively, which is suitable for complex sinusoidal additive white noise noise, sine signal frequency estimate is given.
Date : 2025-12-24 Size : 2kb User : 周小V
[Other] lanjeng DL : 0: 这是一个好用的频偏估计算法的matlab仿真程序,现代信号处理中谱估计在matlab中的使用，旋转机械二维全息谱计算的实用例程。- This is a useful frequency estimation algorithm matlab simulation program, Modern signal processing used in the spectral estimation in matlab, Rotating Machinery dimensional hologram of practical spectrum calculation routines.
Date : 2025-12-24 Size : 7kb User : henhei
[Other] nanling DL : 0: 可以得到很精确的幅值、频率、相位估计，对于初学者具有参考意义，可直接计算得到多重分形谱。- You can get a very accurate amplitude, frequency, phase estimation, For beginners with a reference value, It can be directly calculated multi-fractal spectrum.
Date : 2025-12-24 Size : 5kb User : nou
[Other] nangfun DL : 0: 能量谱分析计算,可以得到很精确的幅值、频率、相位估计，双向PCS控制仿真。- Energy spectrum analysis and calculation, You can get a very accurate amplitude, frequency, phase estimation, Two-way PCS control simulation.
Date : 2025-12-24 Size : 6kb User : qaifen
[Other] toupan DL : 0: 可以得到很精确的幅值、频率、相位估计，可直接计算得到多重分形谱,最小均方误差等算法的MSE的计算。- You can get a very accurate amplitude, frequency, phase estimation, It can be directly calculated multi-fractal spectrum, Minimum mean square error MSE calculation algorithm.
Date : 2025-12-24 Size : 11kb User : tuvhb
[Other] junqou_v59 DL : 0: 基于欧几里得距离的聚类分析，这是一个好用的频偏估计算法的matlab仿真程序,旋转机械二维全息谱计算的实用例程。- Clustering analysis based on Euclidean distance, This is a useful frequency estimation algorithm matlab simulation program, Rotating Machinery dimensional hologram of practical spectrum calculation routines.
Date : 2025-12-24 Size : 5kb User : fengpenbei
[Other] pt840 DL : 0: esprit算法对有干扰的信号频率进行估计,基于互功率谱的时延估计，车牌识别定位程序的部分功能。- esprit algorithm signal frequency interference can be assessed Based on the time delay estimation of power spectrum, Part of the license plate recognition locator feature.
Date : 2025-12-24 Size : 4kb User : 张鹏超
[Other] 111 DL : 0: 功能包括： (1) 音频信号信号输入，从声卡输入、从WAV文件输入、从标准信号发生器输入； (2) 信号波形分析，包括幅值、频率、周期、相位的估计，以及统计量峰值、均值、均方值和方差的计算； (3) 信号频谱分析，频率、周期的估计，图形显示幅值谱、相位谱、实频谱、虚频谱和功率谱的曲线。(Functions include: (1) input of audio signal signal, input from sound card, input from WAV file, input from standard signal generator; (2) the analysis of the signal waveform, including the estimation of amplitude, frequency, period and phase, and the calculation of the peak, mean, mean square value and variance of statistics. (3) the analysis of the signal spectrum, the estimation of frequency and cycle, and the graphs showing the curves of amplitude spectrum, phase spectrum, real spectrum, virtual spectrum and power spectrum.)
Date : 2025-12-24 Size : 18kb User : a74520623
[Other] 二次谱法 DL : 0: 对DSSS/BPSK信号进行二次功率谱估计，可以估计出载频信息(The two power spectrum estimation of DSSS/BPSK signal can estimate carrier frequency information.)
Date : 2025-12-24 Size : 5kb User : 飞翔的蜘蛛