Author:admin AddTime:2021-07-13
When the antenna is receiving, in addition to the direct wave of the transmitted signal, it also receives the indirect wave reflected by the surrounding environment. When the two phases are opposite, the signal strength will cancel each other out, and the signal strength on the day of the online signal will be low. At the mute operation point of the receiver, the phenomenon of so-called "receiving blind spots" occurs, so the output of the receiver will appear short-lived or noisy. When the signal strength is closer to the mute operation point, the noise will be greater.
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