The continuously-variable phase circuit is adjustable from 0 to 180 degrees to finely integrate the subwoofer with the main listening speakers.
不断变化的相电路可在0至180度间调节，从而较好地将低音炮与主喇叭相结合。
This module defines a method called acceptance_only, which checks the BUILD environment variable to see which testing phase is executing.
该模块定义一个名为 acceptance_only 的方法，该方法检查BUILD环境变量，确定哪个测试阶段处于执行中。
Variable Angle spiral method was used in a trial way in the design of the warped blader of solid - liquid two phase slurry pump.
采用变角螺旋线法对固液两相流渣浆泵扭曲叶片进行了尝试性设计，并初步总结了其设计方法和规律。
This paper calculates and analyzes pressure on intake valve and confirms and optimizes variable intake valve phase.
笔者对进气门处压力进行了计算分析，对可变进气门相位进行了确定及优化。
This paper studied the three-phase PWM(pulse width modulation) rectifier in dual PWM variable frequency speed regulation system.
对双PWM变频调速系统中的三相PWM整流器及其控制方法进行了研究。
It is pointed out through analysis that the blade type variable camshaft phase mechanism is a more feasible technology approach at present.
通过分析指出，叶片式可变凸轮轴相位机构是目前可行性较强的技术途径。
Two methods of variable polarization are discussed, and some formulae for wave-mode differential phase, nonreciprocal phase and variable polarization coefficient are deduced.
讨论了两种实现变极化的方法，推导了求解波型差相移、非互易差相移和变极化系数的精确公式。
The tunability of VCO is normally provided by a variable capacitor. Achieving low phase noise requires a high-Q on-chip variable capacitor.
VCO的调谐能力通常由可变电容来实现，要获得低相位噪声，需要高Q值的片上可变电容。
The paper introduces a prestack depth migration by nonstationary phase shift method suitable for laterally variable velocity.
介绍一种能够适应介质速度横向变化的非稳态相移算子及其叠前深度偏移方法。
This paper proposes a general finite element (FE) based phase variable modeling method of permanent magnet (PM) linear motors for the accurate dynamic simulation of drive systems.
考虑电机非理想结构对推力的影响，建立了永磁直线电机的一般化相变量模型。
The process of supersonic steam water two phase flow in a channel with variable section is studied experimentally and the pressure profiles along the channel are obtained.
通过对超音速汽液两相流在变截面通道中的升压过程的实验研究，得到了变截面通道内超音速汽液两相流的压力分布规律。
Simulation results of making process for different phase angles of flow driven by full bridge rectifier are given and analyzed at rated and variable voltages in detail.
文中给出了全桥整流驱动额定电压情况下不同开通角时合闸过程及电压变化时的仿真结果，并对仿真结果作了细致分析。
The feature of this network is that the cheap and mature nonreciprocal ferrite phase shiftersare used as the basic variable polarization devices.
该网络的特点是采用了技术成熟、价格低廉的非互易铁氧体移相器作为变极化的基础元件。
Based on the model, a steady state analysis model of the translational motor is founded with the state equations established which takes the flux linkages of the phase windings as state variable.
在该分析模型的基础上，推导出了电机绕组满足的以绕组磁链为状态变量的微分方程，建立了电机稳态运行分析的数学模型。
A type of variable subdivision high performance driving power supply for stepmotor has been presented in the paper which is used to drive three-phase reaction stepmotor.
提出了一种可变细分的高性能步进电动机驱动电源，该电源用于驱动三相反应式步进电动机。
Phase-matched filter is applied to extract phase of fundamental surface wave, and then time-variable filter is used to correct amplitude spectrum in order to isolate fundamental mode signs.
使用相匹配滤波技术提取基阶面波振型的相位，然后再利用时变滤波进行振幅谱校正，以此分离出基阶振型面波信号。
The operating status of three-phase three-wire HAPF(Hybrid Active Power Filter) in harmonic suppression and reactive power compensation for variable-frequency motor are introduced.
介绍了三相三线制混合型有源电力滤波器在变频调速电动机谐波治理和无功补偿方面的运行情况。
We assume that the motion of controlled object is describedby linear ordinary differential equations with variable coefficient, and the final states ofthe system form a convex region of phase space.
受控系统的运动设为变系数线性常微分方程组所描述，而系统的终点状态是相空间内的某一凸性区域。
The term numbers of free energy expansion are studied during the phase transition process when the order parameter is more than one variable.
本文讨论了序参量是多变数情况下相变过程中自由能展开式应保留的项数。
This article presents a new design structure of variable bandwidth phase-locked loop based on improving phase-locked loop of actively mode-locked fiber laser.
对主动锁模光纤激光器的锁相环进行改进，提出一种新型的“变带宽锁相环”的设计结构。
A type of variable subdivision high performance driving power supply for stepper motor has been presented in the paper which is used to drive three-phase reaction stepper motor.
提出了一种可变细分的高性能步进电机驱动电源，该电源用于驱动三相反应式步进电机。
The simulation results prove that the three-phase phase-locked loop can work well in disturbance situation and variable frequency system when the frequency of the inputs is variable.
并对相位突变和频率突变的情况进行了仿真研究，说明在相位和频率发生变动时三相锁相环仍能有效地锁定相位，能够满足系统变频的要求。
Considering the effect of the skin-effect during the starting of three-phase asynchronous motor on the parameter, the author sets up an equivalent circuit of variable parameter.
考虑三相异步电动机起动过程挤流效应对参数的影响，建立了变参数的等效电路。
Hydroelectric generating set is a non-minimum phase system which has some variable parameters. Only part of its states can be measured directly.
水轮发电机组是一个变参数的非最小相位环节，并且只有部分状态可直接量测。
The variable voltage variable frequency(VVVF) control of 3-phase induction motor for driving trolleybuses is expounded.
介绍无轨电车采用变压变频控制的三相感应电动机驱动技术。
The online variable step can also regulate the voltage convergence rate, and the phase-locked control circuit is designed to synchronously trace frequency and phase of power grid automatically.
在线调节步长改变电压收敛速度，设计锁相控制电路，自动同步跟踪电网频率和相位。
The principle of the two-phase variable supercharging system applied to heavy-duty automotive diesel engines and car diesel engines is indicated.
阐述了重型车用柴油机及轿车柴油机上采用的二级可变增压系统原理。
A practical analysis method is provided for fully controlled 3-phase rectifier with time-variable loads.
为三相全控桥带时变负载的分析提出了一种实用方法。
Experiments for the prototype indicate that using the structure of double-stator and three-phase series magnetic circuit, the hybrid variable reluctance motor has higher ratio of torque to volume.
为原型的实验表明，采用双定子和三相串联磁路的结构，混合可变磁阻电机的转矩与体积的比例较高。
Experiments for the prototype indicate that using the structure of double-stator and three-phase series magnetic circuit, the hybrid variable reluctance motor has higher ratio of torque to volume.
为原型的实验表明，采用双定子和三相串联磁路的结构，混合可变磁阻电机的转矩与体积的比例较高。
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