All Questions
Tagged with signal-processing terminology
6
questions
5
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What does "DC" mean in gravitational physics?
I have came across a few works in gravitational physics using the term "DC" without further explanation of its meaning. For example, consider Strominger's 1703.05448, which states in p. 2 ...
8
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1
answer
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Is there a name for the number of '9's in numbers such as 0.999 (where it would be 3)?
I am doing an optics simulation involving transmission and reflection coefficients very close to 1, such as 0.999. While I was an undergraduate student, a professor mentioned that, in certain fields, ...
3
votes
1
answer
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Mathematical term for the on/off gradient functions in MRI imaging
The slice selection gradients, as well as the phase and frequency, in MRI imaging are traditionally represented by on/off box or rectangular symbols:
or
My question is what is the mathematical name ...
1
vote
0
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Can anybody explain about phase shift and phase spectrum terms in case of multidimensional signal?
I know about phase of a 1D signal, but when I move into higher dimensions like 2D or 3D etc, it becomes headache to grasp the concept.
What do the terms "phase shift" and "phase spectrum" mean in ...
0
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1
answer
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How to compute phases of the signals?
Let us take 4 signals which are sinusoidal and periodic. Suppose you are given a phase spectrum or (/and) equation of the (main) signal only and you are said that the given (main) signal is formed of ...
3
votes
1
answer
658
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What is a Nyquist edge?
I've come to this sentence and I don't understand the term Nyquist edge.
Because observing in the FM band is not feasible, a sampling frequency of 200 MHz has been chosen for most of the receiver ...