| 摘要 |
PURPOSE: The circuit is provided to remove distorting signal positively by level of distorting signal, to detect, and improve call quality. CONSTITUTION: The removing circuit of distorting signal of high frequency in a transit machine comprises the duplexer outputting a received signal through antenna, the detecting part of distorting signal to output transmitting signal to the antenna, and the removing part of distorting signal included to the receiving signal.
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