结合电力操作电源的特性，建立了基于有限双极性控制的操作电源的小信号模型，并设计了控制电路。
In this paper, the small signal modeling of the electric rectifier based on limited double poled control scheme is presented, and the control loop circuit is designed.
在轻载或空载时由于存在大的功率损耗，双极性PWM控制只能被应用于中、小功率伺服控制系统。
As the existing great power consumption of empty-load or light-load, the bipolar PWM control can be applied only in small or middle power servo control systems.
但由于乙烯基酯树脂的高化学极性，用普通增稠剂和亲水性气相法二氧化硅对其实现很好的流变性控制是相当困难的。
Due to the high polarity of vinyl ester chemistry, it is known to be difficult to control the rheology with normal thickening additives or hydrophilic fumed silica.
该文深入分析研究了高频脉冲交流环节逆变器稳态原理特性与单极性移相控制策略。
The steady principle of the inverter with a high frequency pulse AC link and the unipolarity phase shifting control strategy are investigated.
提出并深入研究了高频脉冲交流环节逆变器电路拓扑族及其双极性移相控制策略。
A circuit topology family of inverters with high frequency pulse AC link and a double polarities phase-shifting control strategy are proposed and deeply investigated.
利用双向串行端口，可在软件中进行增益设置、信号极性选择和RTD电流控制配置。
Gain Settings, signal polarity and RTD current control can be configured in software using the bidirectional serial port.
为克服高频脉冲交流环节逆变器存在的电压过冲现象，本文提出和研究了单极性、双极性移相控制策略。
To overcome voltage stress existed in the inverter with high frequency AC pulse link, single polarity and double polarities phase shifting control strategies were proposed and studied in this paper.
一种自动激光功率控制电路，包括：激光二极管封装件，电压调节单元和极性调节单元。
An automatic laser power control circuit comprises a laser diode package, a voltage adjusting unit and a polarity adjusting unit.
第三种方法包括：1将含极性取代基的染料分子合成；2控制染料分子的聚合或结晶过程。
The third approach involves: 1 the synthesis of certain molecules containing readily polarised groups of substituents, and 2 the controlled polymerisation or crystallisation of these molecules.
汤普森-威利在比赛中负责比赛策略，带动队员积极性并观察船的走向。因为舵手们需要在起伏的水浪中坐稳，所以她们要将体重控制在严格范围内。
The role involves tactics, motivation and navigation. Coxswains have to be strong enough to sit still in choppy waters and keep their weights to strict limits.
汽巴公司发明了用极性电压法控制连续重氮化过程中亚硝酸盐加入速度的探测系统，赫斯特公司发明了连续式偶合装置。
Ciba has developed a nitrite feed rate gauge system for controlling process of continuous diazotization by polar voltage method, and Hoechst has developed newly an equipment for continual coupling.
本文介绍一种稳幅式双极性电流源，它是根据自动控制原理设计而成的，用于连续铸造熔渣的检测。
This paper introduces a stable amplitude bipolar current source. It was designed basing on the principle of automatic control. This circuit is suitable for continuous casting slag detection.
开发了变极性TIG焊电源的微机控制系统，通过调节输出电流的正负半波时间、幅值获得不对称方波。
The controlling system of the variable polarity power source for TIG welding by microprocessor-80C552 is developed with flexible setting time and scope of the DCEP and DCEN.
目的：探讨后极性白内障超声乳化手术有效控制并发症发生的技术与方法。
AIM: to search for an effective technique to control the complications in phacoemulsification in eyes with posterior polar cataract.
阐述了变磁极性直流电机的极性换向控制。
Discussed the switch directions control of the variable pole about DC motor.
它由与输入控制电压同步的触发器控制四模拟开关阵列的开关转换来选择输出极性。
Its output polarity is determined by the four analog switch array controlled by an input-synchronized trigger.
随着生产设备自动化和工序质量控制自动化程度的提高，操作者的积极性与创造性在下降。
With the improvement of automation in production furniture and process quality control, the initiative and creativity of operators are weakening.
弧焊电源一次逆变控制电流快速动态过程，二次逆变控制电弧极性。
Dynamic process of current is controlled quickly by the first inverter, and arc polarity is controlled by the second inverter of arc welding power source.
同时，通过简单的化学修饰改变此系列笼状分子的侧链结构，我们可以实现在极性基底上对笼状分子表面分布行为的控制。
Meanwhile, through simply adjusting the side chains, we successfully achieved different surface morphologies of the nanocages and control of their surface distribution behavior.
提出并深入研究了高频脉冲交流环节逆变器电路拓扑族及其双极性移相控制策略。
A circuit topology family of inverters with high frequency pulse AC link and a double polarities phase shifting control strategy are proposed and deeply investigated in this paper.
单片机协调控制变极性脉冲MIG焊的脉冲电流及电弧极性、电弧电压及熔滴过渡频率，实现了稳定的焊接过程。
Pulse current, arc polarity, arc voltage and metal transfer of variable polarity pulse MIG welding are controlled by 80c196kc coordinately to implement the stable welding procedure.
财务控制权是公司治理结构的重要内容，通过财务控制权的最优安排，应该达到既能最大限度地激励经理人员的积极性，又能防止出现经理人员侵蚀股东利益的现象。
Through the optimum arrangements of financial controlling rights, not only managers will do their best in their work, but also shareholders can protect their capital from eroding by managers.
它由与输入控制电压同步的触发器控制四模拟开关阵列的开关转换来选择输出极性。
Its output polarity is determined by the four analog switch array controlled by an input - synchronized trigger.
该线电压极性检测电路检测线电压的 极性且控制该驱动电路以导通或截止该栅控晶体管。
The line voltage polarity detection circuit detects the polarity of line voltage and controls the drive circuit to conduct or cut off the gate-controlled transistor.
设计并制造了一种新型的永磁式单相单拍运行步进电动机，它能在单极性电脉冲的控制下实现连续的起动和步进运动，电机绕组通电和断电时各转动一个步矩角。
A new type single-phase permanent-magnetic stepper motor is designed and manufactured. It realizes the stepping rotating action controlled by the inputting electric pulse's on-or-off point.
结论：软壳技术的应用可以减少后极性白内障超声乳化手术的并发症，明显提高视力，对控制手术质量有重要意义。
CONCLUSION:The application of softshell technique in phacoemulsification is effective for improving VA, reducing complications, and controlling surgical quality in cases with posterior polar cataract.
我们相信霍尼韦尔和Opower将可以成功地结合信息、积极性以及控制，帮助业主减少能源使用和成本。
We believe Honeywell and Opower will successfully combine information, motivation and control to help homeowners reduce energy consumption and costs.
我们相信霍尼韦尔和Opower将可以成功地结合信息、积极性以及控制，帮助业主减少能源使用和成本。
We believe Honeywell and Opower will successfully combine information, motivation and control to help homeowners reduce energy consumption and costs.
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