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 paper presented a software demodulating system of BPSK zero-IF signal containing carrier offset.
本文针对有载波偏移的零中频bps K调制信号提出了一种软件解调系统。
The charger shall give an alarm signal upon failure initiated by either an under-voltage relay or a zero charging current relay.
充电器应发出警报信号后没有任何一方发起一个欠压继电器或零充电电流继电器。
So-called gravity anomaly linear structure signal is derivative of gravity anomaly level total gradient on gravity direction, and the derivatives must be greater than zero.
所谓重力异常线性构造信号就是重力异常水平总梯度沿重力方向的一阶导数且是大于零值的那一部分。
Then, noise energy can be abstracted from the nonzero frequency information of the spectrum, and signal energy from zero frequency information.
其中频谱的非零频率信息可提取噪声能量，频谱的零频率信息可提取信号能量。
Objective: To study the zero signal point in the MRI inversion recovery technology.
目的：研究核磁共振成像反转恢复技术中零信号点。
Suppose the mathematical expectation of image signal is zero, the basic properties of the correlator output are given.
假定图象信号的数学期望为零，证明了相关器输出的基本性质。
Theroy and simulation study have shown that this detection system is very sensitive to weak sine signal under strong noise and can effectively restrain any strong noise which has zero mean.
理论分析及仿真实验表明该检测系统对被强噪声覆盖的微弱正弦信号非常敏感，对任何零均值噪声具有极强的抑制能力。
Simulation experiments show that the chaos detection system is very sensitive to weak signal and have strong constraint to any colored noise with zero mean value.
仿真实验表明该混沌检测系统对小信号非常敏感，对任何零均值色噪声均具有极强的抑制能力。
This paper introduces the theory and method of analysing zero state response of lineal network by using dynamic signal analyzer.
本文介绍用动态信号分析仪分析线性网络零状态响应的原理和方法。
The simulation experiments shows that chaotic detection system is very sensitive to square wave signal and have strong restrain ability to any colored noise with zero mean.
分析了噪声对混沌检测的影响，仿真实验表明该混沌检测系统对方波信号非常敏感，对任何零均值色噪声均具有极强的抑制能力。
The extracted fault characteristics of transient zero sequence current is looked as condition attributes and the multiple of signal enhancement is.
将提取的暂态零序电流故障特征作为条件属性，信号增强倍数作为决策属性，构成一个决策系统。
In the signal processing, the antijamming methods of the digital zero to double light beam AAS absorbency.
介绍了信号处理过程中双光束aas的吸光度的数字调零以及滤波平滑等抗干扰方法。
The CMOS amplifier of chopped wave stable zero calculator has been used as a key element to acquire signal of location.
本仪器采用CMOS斩波稳零运算放大器为关键性元件，获得对信号无失真采集。
Results: the recovery time at the zero signal point:.
结果：零信号点的恢复时间。
Used for zero position correction of CNC machine tool and signal division.
用于数控机床零位补正和信号分割。
Wavelet zero crossing representation is investigated. A new and simple method of reconstructing signal from its wavelet zero crossing representation is given.
分析了信号零交叉表示方法，给出了新的由零交叉表示进行原始信号重构的算法。
Methods: Using the MRI inversion recovery technology systemically in theory and get the mathematical expression of the zero signal point.
方法：从理论上对核磁共振成像反转恢复技术进行系统研究，获得零信号点的数学表达式。
We use a HALL-IC, US5881 to provide the zero-line signal of the saw-blade.
采用霍尔传感器US5881来提供检测锯片的零度线信号。
First the zero sequence transient current signal sampled is enhanced, and then the signal enhanced is decomposed by using wavelet packet analysis to realize faulty line detection.
首先对采样的零序暂态电流信号做增强处理，然后利用小波包分析方法进行故障选线。
A waveform design method that can restrain the multipath effect was proposed. It was achieved by placing signal on the second zero point of waveform filter and keeping the information rate.
提出了一种能够抑制多径干扰的基带波形设计方法，该方法是通过保持传输信息速率不变，在成形滤波器第二个零点叠加信号来实现的。
So it is the key to choice the sensor. The characteristics of sensor is tested. This paper adjusts the physical zero point between rack and sensor. The circuit of signal adjusting is design.
本文针对该传感器进行了特性测试，并通过实验研究确定了喷油泵内齿条与传感器位置的物理零点，最后对传感器的信号调理电路进行了设计。
The frequency, amplitude, zero-point of signal generated by generator can be adjust continuously.
信号发生器所产生的波形的频率、幅值、零点均为连续可调。
There are many reports on extracting the single frequency signal under noise by the stochastic resonance, but in which the information that the signal carries is zero.
已有利用随机共振在强噪声下提取单一频率信号的若干报道，但单一频率信号所携带的信息量为零。
The output of the amplifier (electrical current) is controlled by the input signal so with zero input the output current is also zero.
放大器地输出(电流)由输入信号控制，所有零输入信号，电流输出也是零。
A new signal analysis method, the analysis of zero pass rate of the signal, is demonstrated and put forward in this paper.
该文提出一种新的信号分析方法，即信号的过零率分析法，并对其进行了论证。
The filter processes input discrete sampling signal to recover continuous signal and suppress harmonic noise, and the zero-crossing frequency measuring method is improved.
该滤波器通过处理输入离散采样信号获得连续信号并抑制谐波噪声，改进了过零测频方法。
Our mathematical analysis shows that the optimal strategy is actually a feedback control that takes zero -effect miss as error signal.
分析表明：最优策略实质上是以零控脱靶作为误差信号的反馈控制。
This product is the main test project ontology counterweight and zero signal, zero sensitivity, gradient, and output signal of polarity of the check, etc.
该产品的主要测试项目是本体配重及零位信号、零敏度、梯度及输出信号极性的检查等等。
This product is the main test project ontology counterweight and zero signal, zero sensitivity, gradient, and output signal of polarity of the check, etc.
该产品的主要测试项目是本体配重及零位信号、零敏度、梯度及输出信号极性的检查等等。
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