信号: signal; semaphore; gun源: source; fountainhead标准信号源: standard signal source等效信号源: dummy source复合信号源: complex sources混合信号源: mixed source离散信号源: discrepe message source; discrete message source脉冲信号源: pulse signal source输入信号源: i ut-signal source; input-signal source同步信号源: sync source; synchronizing signal source外部信号源: outside source信号源电阻: signal resistance信号源水平: level, symbolic source; symbolic source level自归信号源: autoregressivesource信号源发生器: signal source generator有记忆信号源: sources with memory正弦波信号源: sine wave source信号源信号发生器: supply oscillator多用移相信号源: multi-function phase shift signal source恒流可调信号源: constant current adjustable signal source模拟目标信号源: signal source of simulating targets模拟信号源工具栏: simulation sources视频信号源电阻: video source resistance外部图像信号源: remote video source远距离影象信号源: remote video source