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May refer to an electromagnetic wave (such as a radio wave) or the PCB manufacturing process of wave soldering.

1
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All antenna has gain characteristic. It can received any signals so long the signal is within the antenna frequency range. With so many signals received by the antenna, the engineer select his wanted …
answered Feb 8 '17 by Tay Wee Wen
2
votes
Assuming that 2 electric fields (should call EM wave, as there is no independent E field under Maxwell) are on the same propagation plane. The E fields in time domain will superimpose on one another …
answered Feb 13 '17 by Tay Wee Wen