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Wikipedia:Featured picture candidates/Yagi antenna animation

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Voting period is over. Please don't add any new votes. Voting period ends on 26 Jan 2017 at 06:21:11 (UTC)

Original – How the antenna works. The radio waves from each element are emitted with a phase delay, so that the individual waves emitted in the forward direction (up) are in phase, while the waves in the reverse direction are out of phase. Therefore the forward waves add together, (constructive interference) enhancing the power in that direction, while the backward waves partially cancel each other (destructive interference) reducing the power emitted in that direction. At other angles the power emitted is intermediate between the two extremes.
Reason
Effectively illustrates a complex apparatus and makes it intuitively understandable.
Articles in which this image appears
Yagi–Uda_antenna
FP category for this image
Wikipedia:Featured pictures/Engineering and technology/Electronics
Creator
Chetvorno

Not Promoted --Armbrust The Homunculus 10:26, 26 January 2017 (UTC)[reply]