The second section introduces some basic knowledge about the TV tuner and its phase noise.
第二部分介绍了一些有关的电视调谐器，其相位噪声的基本知识。
Due to the basic theory of acoustics:the fundamentality reason of noise is vibrate.
由声学的基本原理可知：产生噪声的根本原因是振动。
Due to the basic theory of acoustics:the fundamentality reason of noise is vibrate.
由声学的基本原理可知：产生噪声的根本原因是振动。
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