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Psd Using Fft

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11 Threads found on edaboard.com: Psd Using Fft

need help for eeg Power spectrum density

hi everyone. i am beginner in signal processing. and have homework to find psd of any eeg signal and by using neural network determine a class. i am planning to find if anybodys eyes are open or closed from eeg signal. please help me about it. in which format i must use eeg, there are lots of formats. and how to use eeg database; which channels

What is the PSD unit by using FFT method in this post? Thanks!

I'm just doing a power spectral density (psd) analysis of a signal in time domain. I'm following the fft method described in gives the real physical unit for the psd. However, the unit is "power", is that mea

spectral analysis of RR interval time series

I'm working on frequency domain analysis of HRV. I need to find out the power spectral density of rr interval series with fft using MATLAB. After finding out fft of the linearised rr series, i am unable to plot psd. I am confused regarding the Frequency Vector. plz help.

gender identification using fingerprint through DCT, FFT,PSD

Hi... if anyone help me to choose which is the best parameter (ridge density, ridge count, minutiae, texture,etc) for setting threshold in fingerprint.

PSD plot help with basics

I am involved in a project dealing with in Transit Vibrations. From what i understand as of now, There are 3 methods of getting the final result i am looking for which is a psd plot. 1. Taking fft of the signal and squaring the magn. divided by frequency. 2. fft of autocorrelation method. 3. pwelch function. using (...)

Matlab: How to get the PSD of a signal?

See The Designer's Guide Community Forum - how to estimate the psd of a complex signal in MATLAB

help for pll spur simulation

Hi, Plot the power spectrum density of your signal using the psd function of the calculator. You'll be apple to see the spurs.

plot white noise PSD in matlab?

how to do that without using "psd" command? Thanks!

How do i analyzing frequency using matlab

If you need time domain -- use a BPF or you use the psd function for FD interpretation.

How to simulate SNR & SNDR in cadence ?

i think can use calculator function psd to perform SNDR, 10*log

device noise in sigma delta adc simulation

How do people estimate the effect of sampling switches noise on a cirсuit level? I was doing long transient simulations, than fft and finally got psd from which I could get the SNR and estimate SFDR. However it seems that transistor noise source are not included in transient analyses and Matlab behavioral simulations show that the thermal