Questions tagged [terminology]
For questions about words, phrases and definitions that are specific to signal processing.
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Are systems considered causal if they depend on prediction of future inputs?
A causal system is a system whose output only depends on the present or the past inputs.
But there are many systems that do a look-ahead prediction and involves that in the calculation.
For example, ...
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Is there a professional term for 1 over sampling rate?
I have a terminology question.
Say i'm using a sampling rate s which is in the units of samples/second
What is term for ...
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What is the correct interpretation of the capacity formula with modulation?
Someone sent me the image below, and I think I'm confused as well. Is the second formula (modulation) correct? What does it mean? From the symbol, I think it represents capacity, but it doesn't make ...
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Difference between Level, Signal Strength, Amplitude and Volume?
It seems impossible to find a precise answer to this question. I researched for quite some time but different sources come up different definitions, that sometimes disagree or contradict with each ...
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System Identification vs Machine Learning?
Can we say that system identification is almost same thing as Machine learning or they both different techniques? I am confused because as shown in attached snap of matlab website, system ...
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What would be an example of something digital which isn't electronic?
The terms digital and electronic are often used interchangeably but I know that it's not correct because something can be digital but not electronic.
Something can be digital in the sense that it's ...
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What is the symbol for angular frequency?
I am reading the book
Signals and Systems Laboratory with Matlab Book by Alex Palamides and Anastasia Veloni
I was going through chapter 6 (Fourier transform) and I came across a confusing thing ...
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Global gain and frame gain in audio and speech processing
I'm wondering if there is a standard definition for global gain and frame gain in audio and speech processing. I found these terms together with an imprecise definition in a text about bandwidth ...
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Is the unit step function periodic?
I am confused regarding the unit step signal. Is it considered to be periodic signal or non-periodic signal?
In MATLAB we use command heaviside to implement it ...
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Relation between filter and convolution?
https://www.quora.com/How-is-signal-filtering-done-with-convolution
What is the relation between convolution and a filter?
Is it mainly that convolution process is used to determine the output of an ...
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What is discrete in value/amplitude/magnitude?
A digital signal is commonly described as a signal which is discrete both in time and value/amplitude/magnitude.
I understand what is "discrete in time" (say, the signal is received each 1 ...
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Why are wavelet transforms implemented in Python/Matlab often called Continuous wavelet transform when they take discrete-time input?
The implementations of Synchrosqueezing wavelet transform in Python (ssqueezepy) and MATLAB both write in their documentation that they implement the synchrosqueezing algorithm on the Continuous ...
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Audio terminology for "rising frequency"?
Left is scalogram of exponential chirp, right is of a bunch of these within time shifts (Shepard Tone):
Is there audio terminology for describing this, besides "rising frequency"? Rising ...
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When signal processing experts say something is analogue, what do they mean? [duplicate]
When signal processing experts say something is analogue, what do they mean?
If I understand correctly from prior research, they mean to an analogue system, i.e. a system with by-definition ...
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What is the relation between the terms stable, asymptotically stable, marginally stable and unstable?
What is the difference between stable, asymptotically stable, marginally stable, and unstable systems?
I am familiar with the first term (stable) and last term (unstable) but I often get very confused ...
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