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Holography Transmission Equations Part I

46 bytes added, 20:58, 15 August 2015
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Spatial Frequency
==Spatial Frequency==
 [[Image:InterferenceEQ.gif]]<math>\displaystyle f = \frac{sin{\theta_1} - sin{\theta_2}}{\lambda}</math>
Frequency, how often something happens, the frequencies most often coming to mind are the 20 to 20,000 cycles per second (abbreviated as Hertz) of good human hearing (not mine, for sure!) or the radio frequencies of 550 kiloHertz to 1800 kHZ of the AM band, or the GigaHertz processing speed of computer chips.

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