Plot

FFT plot in Matlab, accuracy

FFT plot in Matlab, accuracy
  1. How to plot frequency spectrum in MATLAB?

How to plot frequency spectrum in MATLAB?

In MATLAB®, the fft function computes the Fourier transform using a fast Fourier transform algorithm. Use fft to compute the discrete Fourier transform of the signal. y = fft(x); Plot the power spectrum as a function of frequency.

Filter Why the sum of filter coefficients of an FIR filter does not add to 1?
Why the sum of filter coefficients of an FIR filter does not add to 1?
What are filter coefficients in FIR filter?How do you normalize FIR filter coefficients?How do I combine two FIR filters?What is the number of filter...
Signal Reconstructing Signal with Sinus-Waves
Reconstructing Signal with Sinus-Waves
What is reconstruction in signal processing?How reconstruction is done after sampling?How can a composite signal be decomposed into its individual fr...
Lock-in What advantage do lock-in amplifiers give over doing an FFT and looking at the frequency spectrum?
What advantage do lock-in amplifiers give over doing an FFT and looking at the frequency spectrum?
What is the purpose of lock-in amplifier?How does lock-in detection work?What is the purpose for dual phase lock-in amplifier? What is the purpose o...