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用Welch法进行功率谱估计
- 考虑L的三个不同值:L=256(3个数据段),L=128(7个数据段)和L=64(15个数据段)。各自的谱估计图如上图所示。可以明显的看到,加窗明显的减小了频谱上的假谱峰,但也更加进一步平滑了谱峰。所以,对于L=64的情况,在ω=0.8π的谱线可以很确定的辨认,但是那两个靠近的谱峰不容易区分。对于L=128的情况,这种情况提供了在分离和检测间最好的均衡。当然,对于在L=256时的情况,效果是更好的,能够从谱估计图上明显的分辨出三条谱线的存在以及它们幅度关系的强弱。 除了Welch法外,还可以采用
Matlab_lvbo
- 利用矩形窗设计的数字滤波器,利用三角窗设计的数字滤波器,利用海明设计的数字滤波器,利用汉宁窗设计的数字滤波器,利用巴特里特窗设计的数字滤波器,利用布拉克曼窗设计的数字滤波器,利用切比雪夫窗设计的数字滤波器,利用凯塞窗设计的数字滤波器-Using rectangular window of the digital filter design, using the triangular window of the digital filter design using the design of d
apsignalproc
- The Window Design Method The basic idea behind the design of linear-phase FIR filters using the window method is to choose a proper ideal frequency-selective filter [which always has a noncausal, infinite duration impulse response] and then tru
demofer
- This matlab program compares the results of different window design methods for finite impulse response filters (FIRs): the rectangular window, Blackman window, Bartlett window, Hamming window and the Hanning window.
windowfilter
- 功能一句话:Design Linear-Phase FIR using Window: rectangular window,Hamming window,Bartlett window。是学习信号处理FIR滤波器设计时很好的代码。-Design Linear-Phase FIR using Window: rectangular window,Hamming window,Bartlett window
Windowing_effect
- It includes a Matalb files to compute the effect of differnt Frame size and Width on differnt window function ,e.g. Bartlett, Hamming etc.Graphical results are plotted for all cases. It includes a readme file to execute the matlab codes.-It includes
spect
- 利用直接法、间接法、以及Bartlett窗及Hamming窗下的Welch法进行功率谱分析-Using the direct method, indirect method, and the Bartlett window and a Hamming window in the Welch method for power spectral analysis
signal_system
- 各种典型滤波器的设计与仿真,包括矩形窗、巴特莱特窗、汉宁窗、汉明窗和布莱克曼窗。-Typical filter design and simulated, including the rectangular window, Bartlett window, Hanning window, Hamming window and Blackman window.
dspbatawardz
- dsp用巴特莱特窗函数法设计数字FIR高通滤波器-Bartlett with window function method to design digital FIR high-pass filter
DFT-mit-hanning-hamming-bartlett-faltung
- DFT hanning hamming bartlett window and convolutin
spectrum-estimation
- 多种经典谱估计的方法,直接法谱估计,间接法谱估计,Bartlett谱估计,welch谱估计(含多种窗口的实现)。-A variety of classical spectral estimation method, direct method spectrum estimation, spectral estimates of the indirect method, Bartlett spectrum estimation, Welch spectrum estimation (includi
Bartlett-window-filter
- Bartlett window filters
gaotonglvbo
- 本件包含四种二维高通滤波器,他们分别是基于汉宁窗,布莱克曼,凯泽窗和巴特利特窗设计的二维高通滤波器。-This piece contains four two-dimensional high-pass filter, they are based on Hanning, Blackman, Kaiser window design windows and Bartlett two-dimensional high-pass filter.
hw9
- –针对矩形、bartlett、hanning、hamming、blackman窗 M=40 –求: ①分别画出单位脉冲响应w[n] ②分别画出幅度响应20log10|W(e^jω)| ③分别给出第一旁瓣衰减和主瓣带宽,并与理论值比较-- For a rectangle, bartlett, hanning, hamming, blackman window M = 40- seeking: ① Draw the unit impulse response w [n] ②
window function contrast
- 矩形窗,三角窗,汉宁窗,汉明窗,布莱克曼窗,巴特利特窗频谱对比图(The triangular window, rectangular window, Hanning window, Hamming window, Blackman window, Bartlett window spectrum comparison chart)
Experiment 5(ogr yollanan)
- bartlett blackman and rectengular filter window codea