PHPWIND
HELLOCQ
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应该是测向接收机。手柄方便操作。利用对讲做接收机,天线下来的信号送到差频器,差出与基波一定间隔的谐波频率,在近距离接收时的获得足够的衰减度。手柄上的旋钮控制衰减度和差频谐波次数的选择。还有一个钮干什么不知道。
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