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 : 2008-10-13 Size : 5.93kb 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 : 2008-10-13 Size : 1.97kb 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 : 2008-10-13 Size : 46.43kb User : zhangfei