Linked Questions
10 questions linked to/from Why would one use a Hann or Bartlett window?
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criteria for choosing a window for filter design? [duplicate]
When choosing any of windows(Bartlett, Rectangular, Hamming etc) for filter design, one important specification of window is minimum stop band attenuation
What can be other window specification(s) ...
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High Order Filtering [duplicate]
Which window has better performance for higher order filtering?
A. Rectangular window
B. Hamming window
C. Kaiser Window
D. Hann Window
Can anyone please answer this with explanation.
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FIR Filter Design: Window vs Parks McClellan and Least Squares
Are there any advantages to use a window approach over Parks-McClellan (further abbreviated here as PMcC) or Least Squares algorithms for FIR filter design of a low pass filter? Assume with today's ...
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FFT of any sinusoidal signal -- how many point fft to take?
suppose I have to measure the DFT of an 60 hz sinusoidal signal and calculate upto 20 harmonics of this. Value of the 20th harmonic will be 20*60 = 1200 HZ. Then my sampling frequency should be >= 20*...
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Computing the Power Spectrum Density (PSD) on a CSV File in Python
im quit new with signal processing and im trying to calculate the PSD of a signal im sampling. the signal is an output of a DC buck converter
this is the code im using and this is the plot im getting ...
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Applying a window to a signal
How can I Gaussian or Bartlett window to a signal? On the other hand, is it a good way of smoothing signals? If not what are the differences between smoothing and windowing?
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Low-pass vs. windowing function in front of FFT
I am sampling sound at 48 kHz because that's what the DAC for the headset needs. I take every 6th of these. So I have 8 kHz and process 1024 at a time. My goal is to analyse the spectrum in the final ...
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Estimate Parameters of Linear Combination of Harmonic Signals with Partial Known Frequencies
Consider real signal of the form:
$$
\begin{align*} x(n) = &\sum_{m=1}^{M} \left( c_m \cos(2\pi f_m n) + s_m \sin(2\pi f_m n) \right) =\\
&\sum_{m=1}^{M} a_m \cos(2\pi f_m n + \phi_m)
\end{...
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Impulse response measurement : practical questions
To measure system impulse response I can do the following steps :
system input : it is excited with an excitation signal having a duration t_exc with a bandwidth bw_exc (for example sine linear sweep)...
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Time signal FFT different for whole signal than half signal on high frequencies
I have a time signal of u from 0 to 1000 time units. If I chop the signal in two halves and compare the frequency spectrum of both it looks similar, as it should (...
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