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.
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)。
Simulation results show that the selection of reference signal depends not only on the correlation , but also on the distribution of vibration energy, which can be used to guide the signal selection.
仿真结果表明，参考信号的选择不仅与信号的相关性有关，还与振动信号的能量分布有关，为选择振动信号作为参考信号提供了依据。
The analog signal is compared with all the reference voltages at once by a string of high-speed comparators whose outputs are used to generate the binary output.
输入模拟信号立即与所有的参考电压通过一串高速比较器进行比较，高速比较器用于产生二进制输出。
The pilot symbols were used to estimate channel and act as reference signal of beam-former.
利用导频符号进行信道估计，并作为空间波束成型器的参考信号。
To ensure proper operation, the device must be reset after reference signal frequency changes and power-up.
为了确保正确操作，设备必须重置后参考信号频率的变化和电。
Computer simulations also validate that the good attenuation effect can be obtained in the active self noise canceler if the signal component in the reference input is small.
同时，计算机仿真说明，只要参考输入中信号分量较少，自噪声有源抵消器仍然可以达到较好的降噪效果。
This paper analyses the effect of the signal components in the reference input on the Performance of the active self noise canceler.
文章分析了参考输入中含有目标信号的本艇自噪声有源抵消器的性能。
The pilot symbols were used to estimate channel and acted as reference signal of beam-former.
利用导频符号进行权向量更新算法，并作为空间波束成型器的参考信号。
Reference ground, sometimes called a return path or signal common, is usually the reference potential of interest.
参考地，通常是指潜在的参考端，有时被称为回路或公用信号。
In the paper. the interference intensity of signal laser beam and the reference one is carried out in detail on a heterodyne laser probe with amplitude modulated laser source.
本文详细推导了用振幅调制激光为光源外差激光探针的信号光与参考光干涉光强表达式。
Detection of surface-breaking cracks has been realized by signal processing method using the reference signal from a surface without flaws. The principle and experimental results are given.
本文以无缺陷时的表面回波为参考信号，用信号处理方法，识别表面缺陷回波，从而实现对表面缺陷的检测。文中给出了该方法的原理及实验结果。
But if above positive real condition is satisfied only within some frequency range, the convergence of FXLMS algorithm is dependent on the spreading of power spectral density of the reference signal.
若上述正实条件仅在某些频带上满足，则FXLMS算法的收敛将依赖于参考信号功率谱密度的分布。
Fixed photoelectric detectors on the two reflectors, they produce a pulse signal as reference signal every round.
在两个反射镜上安装光电探测器，使之转一周产生一个脉冲信号作为基准信号。
Reference source outputs a stable reference signal which is independent of power supply voltage, temperature and process.
其输出的基准信号稳定，与电源电压、温度以及工艺的变化无关。
The reference signal in this control approach is obtained by detecting both source current and load voltage.
该控制方式的指令信号通过同时检测电源电流和负载电压得到。
There are some reference values to the application of digital signal processing in test system based on virtual instrument.
对数字信号处理技术在虚拟仪器测试系统中的应用具有一定参考价值。
Two main issues were investigated: a) the identification time for road input condition; b) the selection of reference signal on which the control gain are tuned.
主要对路面输入变化的估计时间和用以决定控制增益变化的系统输出信号的选择进行了研究。
The engine speed is also used as ignition reference signal.
发动机转速信号同时也作为点火基准信号。
It can be seen from the theoretical analysis that the signal to noise ratio in the output of the canceler will improve when the signal to noise ratio in the reference input drops.
通过理论分析可以看出，随着本艇自噪声有源抵消器参考输入端信噪比的降低，系统输出端信噪比升高。
The synchronization signal provides each of the plurality of devices a time reference to synchronize the data rate.
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 article can also be the reference for software programming of microcomputer interlocking station (with track cut point signal).
也可作为微机联锁车站(亦有股道分割点信号机)软件编程时参考。
This paper discusses the control strategy of synchronous switching of shunt capacitor unit in the different way of connection and different reference signal.
文章论述了电容器组在不同连接方式和不同参考信号时对应的同步关合和同步切除控制策略。
The influence of the leading Angle (lagging Angle) of the current reference signal the parameters and drive mode of the system to the dynamic characteristics are analyzed.
着重分析了电流参考信号超前角(滞后角)、系统参数和驱动方式对无刷直流电动机系统动态性能的影响。
This paper describes a method of suppressing correlation jamming at the frequency of reference signal which cannot be suppressed by lock-in amplifier and Boxcar integrator.
锁定放大器和取样积分器都不能抑制与参考信号同频率的干扰。本文提出了一种能抑制这种干扰的方法。
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.
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。
The point of this measurement was making use of infrared signal, on one hand which was the reference variable, on the other hand which was the channel for the data.
这种测量方法的特点在于采用红外光信号，它一方面作为参考变量进行同步测量，另一方面还作为传输数据的通道。
Discriminator: a device that converts a property of an input signal such as frequency or phase into an amplitude variation depending on how the signal differs from a standard or reference signal.
鉴别器，鉴频器：一种将输入信号的某一特征，如频率或相位转变为幅度变化装置，其变化大小因信号与标准或参考信号的不同程度而异。
In the light of the characteristic of WSD (weak signal detecting), puts forward the reference channel and correlation principle to handle the signals.
针对微弱信号检测的特殊性，提出采用参考通道，并应用相关原理处理信号。
Using the optical chopper to modulate the detected light to make it related to the reference squarewave signal is a common method of locking phase detection of weak signals.
其中利用光学斩光器对被测光进行调制使其与方波参考信号相关是对微弱光信号进行锁相检测的一种常用方法。
Using the optical chopper to modulate the detected light to make it related to the reference squarewave signal is a common method of locking phase detection of weak signals.
其中利用光学斩光器对被测光进行调制使其与方波参考信号相关是对微弱光信号进行锁相检测的一种常用方法。
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