signal to发往 ... 的信号signaln.信号；标志v.(发信号)通知、表示adj.显著的signal detonator信号弹signal cartridge信号弹signal threshold信号阈,信号门限signal extractor信号提取器signalprocessing信号处理平台Signals receiver信号拾取Signal Decrement信号衰减量signal targeting信号靶signaling module信号模块Signalextraction信号提取