fase forskydning |
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mebbesen73 
Enthusiast 
Joined: 23 Mar 2011 Location: Stavanger, Nor Online Status: Offline Posts: 121 |
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 Topic: fase forskydningPosted: 27 Nov 2012 at 20:07 |
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jeg får det til 40,26mm
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Mvh Martin
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marvil
Selvbygger 
Joined: 22 Feb 2012 Location: horsens Online Status: Offline Posts: 55 |
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Posted: 27 Nov 2012 at 20:02 |
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min delefrekvens er 2130 er der nogle der kan regne det ud
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marvil
Selvbygger
Joined: 22 Feb 2012 Location: horsens Online Status: Offline Posts: 55 |
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Posted: 27 Nov 2012 at 19:40 |
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og hvad giver det så i milimeter jeg er lidt langsom opfattende
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Guests
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Posted: 25 Nov 2012 at 00:17 |
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forskydning i [mm] svarende til 90 graders faseforskydelse = 10^3 * ( (343) / (delefrekvens * 4) )
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syncroniq
Admin Group 
Joined: 08 Feb 2008 Location: Randers Online Status: Offline Posts: 1569 |
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Posted: 24 Nov 2012 at 16:42 |
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Hey,
Hvordan ved du at faseforskydningen er 90 grader?
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marvil
Selvbygger
Joined: 22 Feb 2012 Location: horsens Online Status: Offline Posts: 55 |
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Posted: 24 Nov 2012 at 14:44 |
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jeg er færdig med min højtaler men har en faseforskydning på -90 grader hvor meget skal diskanten rykkes frem i forhold til mellemtone center for at det opvejer fase forskydningen
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