2005/10/22 | 调幅[Amplitude Modulation]
类别(Ω〖物理〗) | 评论(0) | 阅读(26) | 发表于 09:13
The type of modulation used to generate AM radio signals (530-1700 kHz). Let the modulating electric field be given by
(1)

where is the angular frequency of the modulation signal, and the carrier electric field be given by
(2)

where is the angular frequency of the carrier signal. The overall electric field is then


(3)
0

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