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- 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。
- ac signaling system 交流信号系统
- 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。
- 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 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。
- 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。
- DSS2 Digital Subscriber Signaling system No. 2号数字用户信令系统。
- 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。
- 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。
- At the inquest, the accident was imputed to a mechanical failure of the signalling system. 经调查，这次事故被归咎于信号系统中出现的一个机械故障。
- 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 SIL of all the interfaces of the Signalling System are consistent with the SIL of the interface system interfacing with them. 信号系统所有接口的安全完整性级别(SIL)均同与其面接的接口系统的SIL一致。
- 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.
- 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。
- 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）。
- A special version of CCIS is called Signaling System #7. CCIS的一个特殊版本称为7号信令。
- Performance analysis of signalling system in integratedservice digital network (ISDN) is a problem that remains to be solved. 对于综合业务数字网(ISDN)信令系统的性能分析仍是尚待解决的问题。
- This Recommendation contains a detailed set of tests for the Signalling System No. 7 Signalling Connection Control Part(SCCP). 本建议包含了一组详细的对七号信令系统信令接续控制部分(SCCP)的测试。
- With the information and the undistorted parts, the whole spectrum can be recovered by solving the nonlinear equations, so the AC signal is also recovered. 这一先验知识结合信号中未失真的频谱部分，通过求解一组非线性方程即可近似恢复出交流信号的全部频谱，从而恢复出完整的交流信号。
