signalisevt.表明； 使 ... 显著signaln.信号；标志v.(发信号)通知、表示adj.显著的signal transit time信号渡越时间signal conditioning信号波形加工, 信号修整signaling pole line信号架空线路signaling molecular信号分子signal interference信号干扰signalizer function信号子函数signal construction信号建设signal timing model信号配时模型signal synthesizing信号合成Signaling protocols信令协议

1. Nowadays the VAD is a hot spot in the speech signal processing field.
   本论文研究复杂强背景噪声下的语音信号检测问题。
2. Overlapped low-frequency interruption and random noise usually exist in singularity target signal recognition.
   摘要奇异性目标信号检测中往往存在叠加型低频干扰及随机噪声的污染。