发射混频信号
Transmit mixing signals
以上为机器翻译结果，长、整句建议使用 人工翻译 。
系统中发射器采用编码器编码后发送超高频信号，接收器采用二次混频型超外差式接收移动目标信号。
The system uses the emitter to send ultra high frequency signals after coding with signal coder and the secondary superheterodyne mixing receiver to accept the moving target signals.
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