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- convergence phase control 会聚电压相位调整
- It is evident now why this system is called"phase control". 现在可以明了为什么这种系统称为“相位控制。”
- It is evident now why this system is called "phase control". 为什么这种系统称为“相位控制”现在可清楚了。
- Proposes an improved inertia weight mutation particle swarm optimization to solve the premature convergence problem,and to avoid the slowconvergence in the later convergence phase. 针对微粒群优化算法的早熟收敛和进化后期收敛速度慢等问题,提出了一种改进惯性权重的变异微粒群优化算法。
- The method is applicable for phase control thyristors and rectifier diodes and features higher accuracy. 该方法适用于普通相控晶闸管和二极管的吸收电路参数设计，有较高的精度。
- Phase control of free-free transitions in bichromatic laser field is investigated employing the Born approximation. 本文利用玻恩近似理论对双模激光场中自由-自由跃迁过程中的相位影响进行了初步研究。
- A control strategy for piezoelectric transformer backlight inverter based on a constant frequency control and phase control is presented. 以定频控制和相位控制为基础的控制方式被用来控制压电式背光换流器系统在本文中被提及。
- All of these have relied on phase controlled thyristors (PCT), offering the higher power control. 所有这些都依赖于能提供更大功率控制的相控晶闸管(pct)。
- Experiments of the phase control null and random phase quantization in density weighted phased arrays are described. 叙述了在密度加权相控阵上进行的随机馈相和波束置零实验。
- Using the magnetic amplifier as a comparative amplifier and a triggering unit with phase control in the AYR and AFR has the advantage of the simplicity on the circuit and the reliableness on the operation. AVR和AFR中采用磁放大器作为比较放大和移相触发环节;具有线路简单、运行可靠的优点.
- In this paper the reflection effects which appeared in RF system of BPL on the phase measurement and phase control are described. Some mathematical expressions about the effects are obtained. A coneret method reducing the reflection effects is presented. 本文描述了BPL的RF系统中出现的反射对相位测量和相位控制的影响,得出了关于这些影响的某些数学表达式,提出了减少反射影响的一种具体方法。
- Then the influence of phase controlled Cycloconverter’s work characteristics and control tactic on the performance of FFTS is analyzed in theory. 从理论上分析了相控周波变换器 的工作特性和控制方式等对分频输电系统运行性能的影响，并用计算机仿 真进行了初步验证。
- Thirdly, multiple ultrasonic phased array’s phase shifter is designed，which could provide 8-bit phase control in a range of frequency where the centrical frequency is 1MHZ. 设计了相控阵相位延时电路并且通过调试，满足了课题的相位控制的要求,在中心频率为1MHZ左右的频率范围内都能够达到8-bit相位控制；
- A town at the convergence of two rivers. 位于两条河流交点处的城镇
- As a new type of transmission mode which using phase controlled Cycloconverter，FFTS should be researched deeply in theory and in practice. 作为新型的输电方式，应用相控周波变换器的分频输电系统还需进行 更深入的理论和实验研究。
- Abstract: In this paper, a PLL circuits based on clock recovery system which based on phase controlled technology is studied. 摘要： 本文主要设计了基于相位控制技术的时钟恢复系统的PLL锁相环路。
- In this paper, a complex compensation scheme with phase controlled SVC is suggested, and a feasibility and superiority is discussed. 本文提出采用一种可分相控制的SVC来实现综合补偿,并论证了它的可行性和优越性。
- The feature and application circuit of 6 phase controlled rectifier circuit are introduced.The principle and application cir-cuit of TC787 are introduced in detail. 介绍了六相可控整流电路的特点及其具体的应用电路,详细介绍了TC787的工作原理,并给出了其应用于六相可控整流的应用电路。
- The controller uses the TMS320F240 of TI company as the main control unit and produces the on and off and PWM signal of each phase controlling the power element on and off. 针对SR电机的控制特点，充分利用了DSP的硬件资源，对控制器的硬件电路进行了设计，控制器以TI公司的TMS320F240为主控单元，采用PT数字调节，发出PWM信号，并和电流、电压等保护信号以及位置信号相结合，实现对主动率元件的通断控制。
- The child is going through a difficult phase. 那孩子正经历困难的阶段。
