The current measurement and control system in a Low-frequency Magnetic Field is a comprehensive system of hardware and software, including two parts: current measurement and computer control.
低频电磁场电流测控系统包括电流测试和输出控制两个部分，由软件和硬件相互配合组成一个完整的计算机控制系统。
The main reasons to affect the operation frequency of two state hysteresis current regulator for motor control system are analyzed by theory and experiment.
从理论和试验两方面分析了影响电机传动系统中滞环两态电流调节器工作频率的主要因素。
The common commerical frequency voltage test apparatus are divided into two categories, namely the traditional step up transformer system and series resonance system.
常见的工频耐压设备大致可分为两类：传统的升压变压器系统和串联谐振系统。
The frequency response of human hearing system can be classified two categories: "static" and "dynamic".
本文认为人类听觉系统的频响有“静态”和“动态”之分。
With this system, two nearby repeaters can share the same frequency pair (for receive and transmit); so more repeaters (and hence more users) can be accommodated in a particular area.
经过这个系统，两个临近的中继器能够运用不异的频率停止接纳和传布，如许更多的中继器和挪动设备能够在统一个区域内正常工作。
Each module is controlled by voltage current two closed loops. The common voltage loop controls system output voltage & frequency, and generates a common reference current signal.
三台航空静止变流器模块均为电压、电流双环控制，通过公用电压调节器稳定并联系统的输出电压及频率，同时产生统一的模块电流给定信号。
The phase difference often needs to be measured between two signals with the same frequency in power system, such as power voltage and power current signals.
在电力系统中常常需要对两个同频率信号(如工频电压和工频电流)之间的相位关系进行准确的测量。
The automatic carrier frequency tracking scheme is accomplished by two steps in our system.
自动载波频率跟踪部分的设计分了两个主要阶段。
In this paper, the frequency response functions obtained by using these two methods are first compared through analysis of non-linear mooring system.
本文通过对锚泊非线性水动力系统进行分析，首次将两种方法取得的频率响应函数结果进行对比。
Describe two peripheral neural codes that could be used by the auditory system to represent the frequency of pure tones.
描述两项听觉系统表现纯音频率的周边神经编码模式。
The zero-crossings of the AC voltage and digital frequency synthesizer are used in solving the two main problems in frequency hopping system-synchronization and fast frequency synthesizing.
利用电力系统三相交流电压过零点和高速数字频率合成器解决了跳频系统中同步和快速频率合成的两个关键问题。
Two novel fibre devices, fibre optic frequency shifter and fibre optic polarization controller, are employed in this system. The principle and design method for the two key devices are described.
在该系统中采用了自行研制设计的实现全光纤化的两个关键光纤元件：普通单模光纤频率偏移器和普通单模光纤偏振控制器，介绍了此两光纤元件的基本工作原理和设计方法。
Two-way Frequency Automatic communication system (TWACS) is a communication system based on power distribution networks.
双向工频通信系统是一种基于配电网络的通信系统。
The two-frequency serrodyne modulation technique can be used in the digital R-FOG system.
双频率锯齿波组合调制技术可应用于谐振式光纤陀螺数字处理系统。
The system comprises low frequency-difference two-frequency laser interferometer measuration module, micro-detection device and two dimension platform.
系统由低频差双频激光干涉度量模块和微探头及二维工作台两部分组成。
Zero placement method in the frequency domain is utilized to design robust multi-hump EI optimal arbitrary time-delay filter (OATF) by placing two or more filter zeros nearby the system poles.
采用频域的零点配置方法，通过在系统极点附近配置多个滤波器零点设计强鲁棒性的多峰极不灵敏（E I）最优随机时滞滤波器。
Each module is controlled by voltage-current two closed-loops. The common voltage loop controls system output voltage & frequency, and generates a common reference current signal.
每台航空静止变流器模块均为电压、电流双环控制，通过公用电压调节器稳定并联系统的输出电压及频率，同时产生统一的模块电流给定信号。
For SF of QOL, monthly family income, system of working hours, frequency of leisure entertainment, social objective support and illness during previous two weeks were the significant factors.
社会功能(SF)得分影响因素有：家庭月收入、工作时间制度、休闲娱乐机会、社会客观支持和两周内是否生病。
Introduce the work principle of the cold roller about two frequency quenching device and intermediate frequency system, the method of debugging and valuable experience.
介绍了冷轧辊双频淬火装置中频系统的工作原理、调试方法和宝贵经验。
This heavier material utilizes "Dissimilar Layer Insulating" technology that solves two of the most difficult automotive problems - exhaust system heat and low frequency noise.
这些材料利用“不同绝缘层”的技术解决了汽车最受困扰的两个问题，排气系统的隔热和低频的噪音。
The serious events of 1150 blooming mill main drive system driven by two AC-AC frequency conversion motors in recent year has been paid close attention to.
近年来，我国两台引进的交交变频电动机驱动的1150初轧机主传动系统出现的恶性事故引起了人们的关注。
The system can generate two frequencies, which will decrease frequency selective fading effect.
经过调制产生了两个频段的射频信号，具有抗频率选择性衰落的优点。
Firstly, a two-dimensional servo-control driver circuit, which consists of PC and an embedded system, is designed based on the scanning requirement of the dual frequency millimeter wave radiometer.
第一，基于双频毫米波辐射计的扫描要求，设计了基于PC计算机和嵌入式系统道的两维伺服驱动电路，完成了扫描控制、通信协议和伺服驱动控制的软件设计。
Low frequency oscillation resonance mechanism of two-machine system was established in this paper.
理论推导了两机互联系统的共振机理，分析了两机互联系统固有频率与阻尼的关系。
In one exemplary embodiment, the multi-band antenna system 100 is tuned to operate within two general radio frequency ranges which are generally referred to as a low band and a high band.
在一个例示的实施例中，多波段天线系统100被调谐为在两个通常的射频范围内操作，这两个通常的射频范围通常称作低波段及高波段。
The frequency planning for a cellular system enhanced with two-hop fixed relay nodes (FRNs) is investigated.
研究了两跳固定中继蜂窝网的频率规划问题。
We discuss the nonperiodic abnormal stripe noise due to the spaceborne SAR system itself, and present an area filtering method in two-dimensional frequency domain.
对于因雷达系统本身原因而产生的一些非周期不规则条纹噪声进行讨论，针对此类噪声提出一种二维频域区域滤波的算法。
T12 is a full-range multi-purpose two-frequency, can be used for fixed installation, Hall PA, flowing performance, and supporting large-scale sound reinforcement system fills and so on.
T12是一款全频多用途两分频，可以用于固定安装、厅堂扩声、流动演出以及大型扩声系统的辅助补声等等。
Two cases of troubleshooting of Shimadzu S/V AX—FAST stomach-intestine high-frequency x-ray machine system intermittent failure are introduced.
介绍岛津S/VAX—FAST遥控高频片库式医用诊断X线系统二例少见间歇性故障维修实例。
Two cases of troubleshooting of Shimadzu S/V AX—FAST stomach-intestine high-frequency x-ray machine system intermittent failure are introduced.
介绍岛津S/VAX—FAST遥控高频片库式医用诊断X线系统二例少见间歇性故障维修实例。
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