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.
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 experimental results show that adding rare earth oxide into molybdenum can improve the secondary emission coefficient of the emitter.
实验结果表明，在钼中添加稀土氧化物可以提高发射体的次级发射性能。
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