为了对比一个已知直流参考的未知交流信号热效应，计量人员可以确定在一段时间内直流的交流有效值(电压或电流)。
By comparing the heating effect of an unknown AC signal to that from a known DC reference, metrologists can determine the RMS AC quantity (voltage or current) in terms of the DC quantity.
该同步信号为多个设备中的每一个提供一个时间参考，用于同步数据速率。
The synchronization signal provides each of the plurality of devices a time reference to synchronize the data rate.
这些信号分别为模拟回波信号的生成提供了天线增益大小、时间基准、相位基准和载波频率大小等重要的参考信息。
These signals provide an important reference of the gain of antenna, the time reference, the phase reference and the frequency of carrier wave for generating stimulant echo signal.
论文提出了一个以远距离传输的标准时间信号为参考来锁定本地晶体振荡器的锁相控制系统的实现方案。
In this paper, a solution of a control system, which USES the standard time signal as the system reference to lock the local VCXO, is proposed.
本文经过重新定义增广误差信号，给出了有延时情况下线性时不变离散时间单输入单输出被控对象的模型参考自适应控制系统的超稳定性设计方法。
This paper presents a hyperstable scheme for designing discrete model reference adaptive control system for lineartime-invariant SISO plant, based on a redefined augmented error signal.
本文提出一种使用发射参考（TR）UWB脉冲信号在多径环境下的高分辨率到达时间（TOA）估计技术。
This paper presents an investigation of time-domain super-resolution time-of-arrival (TOA) estimation employing transmitted-reference (TR)-UWB signals for indoor multipath location.
提出了两种相干累加时间与累加次数的选取方法并进行了仿真，该方法和仿真结果可作为GNSS系统信号捕获与跟踪过程方案设计的参考依据。
Two methods to chose coherent accumulation time and non-coherent accumulation times are proposed and simulated. The methods and simulation results can be used as a reference in GNSS DE sign.
提出了两种相干累加时间与累加次数的选取方法并进行了仿真，该方法和仿真结果可作为GNSS系统信号捕获与跟踪过程方案设计的参考依据。
Two methods to chose coherent accumulation time and non-coherent accumulation times are proposed and simulated. The methods and simulation results can be used as a reference in GNSS DE sign.
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