我不知道
S-Parameters for Antennas (S11, S12, ...) 爸 爸問:如果妳有一跟香蕉,再給你三根,你會有幾根?」小孩說:我不知道,學校都用蘋果… S-parameters for an antenna are introduced. S11 is known as the return loss, or how much power is reflected from the transmitter to an antenna. S21 or S12 represents power coupled from one port to another, a useful parameter for determining coupled power ...
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