continuous signals - Understanding the frequency domain - Signal ...
I found general explanations on the Internet, for example: frequency-domain graph shows how much of the signal lies within each given frequency band over a range of frequencies Fourier transform refers …
What does frequency domain denote in case of images?
Mar 8, 2017 · 135 I was just learning about the frequency domain in images. I can understand the frequency spectrum in case of waves. It denotes what frequencies are present in a wave. If we draw …
image processing - What is the relation between time, frequency ...
What is the relation between time, frequency, spatial and spectral domains? I think that time and spatial domains are the "original" domains (e.g. if the signal is a greyscale image, then the dom...
What is meant by a system's "impulse response" and "frequency …
The frequency response shows how much each frequency is attenuated or amplified by the system. The frequency response of a system is the impulse response transformed to the frequency domain.
For the square wave signal, why does a narrower square wave …
Jun 11, 2024 · The bandwidth of each bandpass filter is inversely proportional to the time-domain support. By increasing the duration of the signal, you increase the time-domain support, thereby …
S domain vs frequency domain? - Signal Processing Stack Exchange
Jan 18, 2023 · 2 Laplace domain is also known as "s domain". Is there any difference between "s domain" and "frequency domain"? Can we use both terms interchangeably? If we want to convert a …
Intuitive explanation of cross-correlation in frequency domain
Apr 20, 2015 · According to the cross-correlation theorem : the cross-correlation between two signals is equal to the product of fourier transform of one signal multiplied by complex conjugate of fourier …
Does sampling in the frequency domain cause time-domain aliasing?
Nov 8, 2015 · Sampling in the frequency domain definitely causes aliasing in the time domain. A discrete spectrum corresponds to a periodic (aliased) time-domain signal; a discrete spectrum corresponds to …
FFT of square wave - what does output represent?
Apr 26, 2021 · Why in FFT output for a square wave, bin 0 has the highest amplitude and bin 1 has the second highest amplitudes no matter what the original frequency of the input signal in the time series …
How does a shift in time domain result in phase shift in frequency ...
This is no different in the frequency domain where we have a complex waveform just the same but with a different independent variable (frequency instead of time).