Do we have a handy term to say that two sinusoidal waves of equal frequency differ only by amplitude and phase? I would say 'correlated', but would that be the most common term?
Jeroen Belleman
- posted
5 years ago
Trigonometry terminology
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- posted
5 years ago
I am not a super expert on this but I think you just described it the way it is described. I know of no specific word for it. I like to think my vocabulary is pretty good but I could be wrong.
You might try putting your description into a search engine and see what it says about it.
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- posted
5 years ago
Synchronous?
-- John Larkin Highland Technology, Inc lunatic fringe electronics
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5 years ago
I used to know the terms for this sort of thing, but can't remember. There are isochronous & isochronal.
NT
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5 years ago
Same frequency, different amplitude and phase, is the best I can do :^)
George H.
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5 years ago
How about locked in frequency (doesn't say anything about amplitude and phase).
--
Thanks,
- Win
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- posted
5 years ago
Those types of signals are called coherent. It is a very broad area of study, but, when you say coherent sine waves, the people who know the field will understand it to mean exactly what you describe.
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5 years ago
+42
Best suggestion yet
piglet
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- posted
5 years ago
Correlated is not correct. A since wave and cosine wave are totally uncorrelated.
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5 years ago
Jeroen Belleman wrote in news:q3f0qm$sqr$1 @gioia.aioe.org:
Phase locked?
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- posted
5 years ago
You could say two sinusoidal waves constructed from the same sin/cos basis pair.
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5 years ago
In tune.
Cheers
-- Clive
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5 years ago
So the cross-correlation function is everywhere zero?
-- John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology dott com http://www.highlandtechnology.com
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5 years ago
Yes indeed. My _IEEE Dictionary_ says it this way:
coherent (1) (fiber optics). Characterized by a fixed phase relationship between points on an electromagnetic wave. Note: A truly monochromatic wave would be perfectly coherent at all points in space. In practice, however, the region of high coherence may extend only a finite distance.
Thank you, 73,
-- Don Kuenz KB7RPU There was a young lady named Bright Whose speed was far faster than light; She set out one day In a relative way And returned on the previous night.
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- posted
5 years ago
** Such a term would be ambiguous and hence useless.
Two sine waves will differ only in phase and amplitude if one is *derived* from the other - eg the input and output of a filter or amplifier.
Or, although coming from independent sources, one is phase locked to the other with some fixed phase difference.
You do come up with some whacky absurdities.
Having a nice troll ??
... Phil
1.- Vote on answer
- posted
5 years ago
Synchronous, or synchronized, means to me that the phase relationship is invariant, or equivalently that the cross-correlation function is constant.
-- John Larkin Highland Technology, Inc picosecond timing precision measurement jlarkin att highlandtechnology dott com http://www.highlandtechnology.com
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- posted
5 years ago
They are both sine waves with the same frequency. (that is it)
Amplitude and phase of each waveform is unspecified.
Or do you want to specify their amplitude ratio and phase?
-- Regards, Martin Brown
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5 years ago
Unison is a musical term or that.
Alan F.
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5 years ago
Ummm- could be any echo or a comparison to be made from some other channel transmission as with a lock-in amplifier.
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5 years ago
** An example of my first case.
** Same as my second case.
I see you are suffering from "echo" and trolling.
.... Phil