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Questions on superpositioning.
Asked by Siblinings (136)
February 20th, 2010
http://i170.photobucket.com/albums/u276/saenbateman/wave-1.jpg?t=1266656561
Some of the output of the transmitter (by the wire shown )directly to the receiver and is then compared with the reflected signal.
The receiver is detecting a maximum, the sheet is moved 7.5mm towards the device, the intensity falls to a minimum, why?
Now it is because the waves coming back are interfering with some of the output the receiver from the transmitter?
The signal is also not 0 is this because the wave going to the metal and back has lost strength?
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