Color synchronous signal is setup to resume subcarrier color signal as same frequency and phase in receive end, which is suppressed in send end.
色同步信号是为了在接收端恢复与发送端被抑制掉的色副载波同频同相的载波而设置的。
We suggest a Moire deflectometry for measuring the object with synchronous change of phase, displacement- Moire deflectometry.
本文讨论一种测量位相同步变化的物体信息的莫尔偏折法——位移式莫尔偏折法。
The digital realization of monostable circuit and extraction of bit-synchronous signal with digital phase lock loop are also introduced in detail.
对于其中的单稳态电路的数字化和数字锁相环提取位同步信号也进行了详细的设计说明。
A joint direction of arrival (DOA) estimation and phase calibration for synchronous CDMA system with decorrelator are presented.
提出了解相关同步CD MA系统一种联合波达方向(DOA)估计与相位标定算法。
This paper proposes a cascaded nonlinear PI controller for three-phase voltage source PWM rectifier, which is based on its model in synchronous reference frame.
该文以同步旋转坐标系模型为基础,设计了三相电压型PWM整流器的级联式非线性PI控制器。
A new method called phase-light showing measurement which is used to achieve the thing that synchronous generators are input in electric network by parallel connection are mentioned.
介绍了同步发电机并联投入电网的条件、不满足条件下并网所带来危害以及常用的并网方法,提出了一种相灯指示法来实现发电机并网的新方法。
The phase lock loop is a feedback control system that makes two telecommunication signals' phase synchronization, suitable to the synchronous trigger circuit of the convertor device.
锁相环路是完成两个电信号相位同步的反馈控制系统,适宜于变流装置的同步触发电路之中。
Of course, can also be equipped with DC motor, single-phase motor, synchronous motor and all kinds of three-phase asynchronous motor and other power sources.
当然也可以配直流电机、单相电机、同步电机及各类三相异步电机等动力源。
In this paper, the breaking transient formulas of terminal voltage and field current of synchronous machine with three phase symmetric load have been derived.
本文导出了同步电机三相对称负载突然拉开,电机端电压与励磁电流在瞬态过程中的解析表达式。
The phase-lead depth of generator at the power station of Changzhou Hydraulic Complex is learnt through unit phase-lead test based on analysis on static stability of synchronous generator.
从分析同步发电机静态稳定入手,通过机组进相试验,从而掌握长洲水利枢纽电站发电机的进相深度。
This paper presents a decoupled control scheme for three?phase four?leg inverter through an inner current regulator based on space vector cascaded with an outer synchronous frame PI controller.
该文提出了一种采用内环空间矢量电流调节器和外环同步坐标比例积分控制器相级联的三相四桥臂逆变器的控制方案,实现了对三相四桥臂逆变器的解耦控制。
The application of phase-locked and synchronous detection reduce the cost of the whole system and improve the sensitivity. Carrier signal and modulation signal achieve entirely synchronous too.
这种采用锁相技术、同步检波的原理,降低了整个系统的成本,提高了灵敏度,并使得载波信号与调制信号完全达到同步。
A novel fundamental frequency and initial phase detection method based on DSP is proposed, which can be used to get synchronous fundamental frequency voltage or current signals of power system.
提出了一种基于数字信号处理器的基波相位和频率校正检测方法,可用于电力系统中电压或电流基波分量同步信号的获取。
The phase compound excitation system is one of the core components of the modern synchronous generator.
相复励励磁系统是现代同步发电机的核心组成部分。
The paper introduces some experience in anti-interference for design and parallel operation of small intermediate frequency three-phase synchronous generator with active load.
本文介绍了带有源负载时,小型三相同步中频发电机的设计和并联运行时抗干扰方面的一些经验。
So the saturated steady operation mathematical model of pulsating magnetic field PM low speed synchronous motor is constructed under phase coordinate system.
脉振磁场永磁低速同步电动机是一种新结构原理的永磁同步电动机。
In the rotating-diode phase compound excitation Brushless synchronous machine, if one diode appears fault, such as opening or shorting during the normal operating, it will do harm to the generator.
在相复励旋硅式无刷同步励磁电机中,如果在正常运行过程中出现硅整流管开路或短路的故障,必将危及到发电机组的运行。
A systematical analysis of dynamic characteristic of the pulse-synchronous camera control ystem is described, as to make the results help the researches in phase lock speed-stabilizing ystem.
本文对脉冲同步摄影机控制系统的动态特性进行了系统的分析,以便使所得结果对锁相稳速系统等方面的研究有所帮助。
The standard is applicable to stator coil and winding insulation alternative and direct current voltage withstanding test for AC generator, synchronous phase modifier and AC motor.
本标准适用于交流发电机、同步调相机和交流电动机定子线圈及绕组绝缘交、直流耐电压试验。
The proposed control strategy is developed through analyzing the mathematical model of the inverter output terminal under two-phase synchronous rotary coordinates.
在分析两相同步旋转坐标系下逆变器输出侧数学模型的基础上,提出一种新型闭环控制策略。
This paper introduces the basic structure, operation principle, main performances, economical problem and USES of Nd-Fe-B single - phase synchronous motor in the future.
简要介绍了钕铁硼单相同步电动机的基本结构、运行原理、性能特点、应用前景及社会、经济效益分析。
A three phase synchronous machine and a twelve-phase synchronous machine are selected as examples to show the correctness and effectiveness of the formulas.
分别以三相同步电机与十二相同步电机为例,说明了统一计算公式的具体应用过程,并证明了公式的准确性和有效性。
This paper deals with the phasor diagram, the phasor analysis and the nature ofd-axis armature reactions of the steady-state running for single-phase PM synchronous motor.
研究了稀土永磁单相同步电动机的稳态运行时的相量图,对相量计算结果进行了分析,讨论了电机直轴电枢反应的性质问题。
It USES a high precision digital phase-locked loop (PLL) to accurately recover the Synchronous reference information of raw cloud-cover image data collected by the geostationary satellite.
它用高精度数字锁相环,精确地恢复地球同步气象卫星采集的原始云图数据的同步基准信息。
This paper introduces the testing results, analysis and design method, and manufacture technology of industrial machine of Nd-Fe-B single-phase synchronous motor.
介绍了钕铁硼永磁单相同步电动机产品样机的试验结果及分析、设计方案和试制情况。
AC brushless synchronous excitation generator is a rotating-armature synchronous generator, which has a module of three-phase rectification bridge.
无刷交流励磁机为旋转电枢式的同步发电机,旋转整流器为模块式的三相整流桥。
Moreover, synchronous switch is applied to the system in order to complete the smooth switch on condition that frequency and phase of inverter power and power supply are the same.
同时利用同步切换控制实现水泵由变频电源向工频电源的平稳切换。
A novel mathematical model for a dual three-phase permanent magnet synchronous machine (PMSM) was proposed.
提出了一种双三相永磁同步电动机的数学建模新方法。
It's significant to study the regulation of active power of three-phase synchronous generator by way of the alternating power source of three-phase industrial frequency.
三相同步发电机作为三相工业频率的交流电源,研究其有功功率调节具有重要意义。
The influencing rules on Time Synchronous averaging signal are achieved by Phase Error Accumulation Factor, component order and averaging number.
研究了相位误差累积因子、信号分量阶次和平均段数等参数对时域同步平均信号幅值的影响规律。
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