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- ac signaling system 交流信号系统
- RMS is a fundamental measurement of an ac signal. 有效值(RMS)是对交流信号的一项基本测量。
- DSS2 Digital Subscriber Signaling system No. 2号数字用户信令系统。
- Analysis and Realization of SCCP in the Signaling System No. 七号信令系统SCCP部分的分析与实现。
- A special version of CCIS is called Signaling System #7. CCIS的一个特殊版本称为7号信令。
- Analyse and Application of Centralized Monitor System for Signaling System No. 七号信令集中监测系统的分析与应用。
- The whole signaling system includes in UNI signaling and NNI signaling. 完整的信令系统包括UNI信令和NNI信令。
- The sampling rate of a data acquisition system (for AC signals) is very important. 数据采集系统的采样率(对AC信号)是十分重要的。
- This instrument can measure AC signal frequency either of the single phase voltage or of the tri-phase voltage. 本表既可测交流单相电压信号之频率,亦可测交流三相电压信号之频率。
- Considering the interaction between the AC signals of two sides in AC/DC/AC system, the intermodulation production in DC side was analyzed. 将谐波和间谐波的分析统一起来。并指出直流侧的纹波信号是变流器产生间谐波的直接原因。
- A continuity tester injects an AC signal into the conductors of a cable to find circuit faults. 一个连续性测试器给电缆导线注入交流信号，从而找到电路故障。
- An arc due to an AC signal usually quenches itself as soon as the voltage level passes through zero. 交流（AC）信号产生的电弧通常在电压通过零点时就会自己熄灭。
- The program includes replacing the signaling system in the provinces of Cabinda, Kwanza-Sul, Luanda, Namibe, Benguela and Zaire. 该工程还包括在卡宾达省、南宽扎省、罗安达省、纳米贝省、本格拉省、扎伊尔省更换新信号系统。
- So CRSC was appointed as mass transit signal system integrator by the state. CRSC因此被国家指定为"中国城市轨道交通信号系统总成单位"。
- The circuit injects an ac signal on one wire of a cable and then looks for an absence of capacitive coupling to the other wires. 电路在电缆的一条线中输入交流信号，然后寻找其他线中电容耦合的缺少。
- The signal system established by WUS is also involved in ovule development. 由WUS建立的信号体系还参与胚珠的发育。
- For AC voltage measurement, an rms converter circuit or a precision rectifier circuit convert the AC signal into a DC voltage. 对于交流电压测量，利用有效值转换电路或精密整流器电路将交流信号转换成直流电压.
- The frequency at which the voltmeter's response to an AC signal drops to 70% is often denoted as the “3dB point” (f3dB). 电压表对交流信号的响应降低到70%25时的频率常常称为“3dB点”（f3dB）。
- Signaling System 7 (SS7) is a protocol that provides an internationally standardized,general-purpose signaling system. 信令系统 7 (SS7) 是一个协议，该协议可以提供国际标准化的、一般用途的信令系统。
- Key Problems of Realizing SCCP Connection-oriented Operations in the Signaling System No. 七号信令中SCCP面向连接业务实现的关键问题。
