Difference between revisions of "Category:Phase"
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| + | Running two inputs 180° out-of-phase puts the peaks and valleys of the sine wave so that they null each other out when summed (see the middle picture below). This has a tendency to cancel out both inputs, and is quite pronounced in the "far" field, but negligible in the "near" field. Normally phase cancellation is undesirable, but when you know what you want (and in this case, what you don't want) then you do it deliberately. | ||
| − | + | [[Image:PhaseIn.png]] | |
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<EMBED src="http://www.sfu.ca/sca/Manuals/ZAAPf/splash/phase_diagram.spl" width=490 height=174 | <EMBED src="http://www.sfu.ca/sca/Manuals/ZAAPf/splash/phase_diagram.spl" width=490 height=174 | ||
Loop="True" Play="True" BGColor="ffffff" Quality="Autohigh" Scale="Showall" SAlign=""> | Loop="True" Play="True" BGColor="ffffff" Quality="Autohigh" Scale="Showall" SAlign=""> | ||
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[http://www.sfu.ca/sca/Manuals/ZAAPf/p/phase.html Phase at SFU]] | [http://www.sfu.ca/sca/Manuals/ZAAPf/p/phase.html Phase at SFU]] | ||
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Use this category for articles that reference this concept. | Use this category for articles that reference this concept. | ||
<nowiki>[[category:phase]]</nowiki> | <nowiki>[[category:phase]]</nowiki> | ||
Latest revision as of 02:01, 20 September 2007
Running two inputs 180° out-of-phase puts the peaks and valleys of the sine wave so that they null each other out when summed (see the middle picture below). This has a tendency to cancel out both inputs, and is quite pronounced in the "far" field, but negligible in the "near" field. Normally phase cancellation is undesirable, but when you know what you want (and in this case, what you don't want) then you do it deliberately.
Use this category for articles that reference this concept.
[[category:phase]]
Pages in category "Phase"
The following 12 pages are in this category, out of 12 total.