• 直流系统开发了计及换相电压对称QSS换流器模型

    The QSS converter model in account of unsymmetric commutating voltages is developed for DC system.

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  • 程序应用端口网络方程故障端口边界方程联立求解方法,计算电力系统各种多重故障任意不对称运行电压电流

    In this program the voltage and current of simultaneous faults or unbalanced power system are calculated by solving the simultaneous equations of multi-port network and of the fault boundary.

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  • 内部控制评价对于改善信息不对称状况促进内部控制系统建立健全有着十分重要的意义。

    Internal control evaluation has been the trend of economic development, and it is of great significance for the improvement of information asymmetry and perfection of internal control system.

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  • 建立了考虑转子转速新的模型分析具有初始弯曲刚度不对称转子系统的碰磨响应得到系统参数对系统分叉和混沌响应的影响

    A new model of rub impact force considering varied rotating speed was derived and the rub impact response of a rotor system with initial bending and asymmetric stiffness was analyzed.

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  • 语言系统各个范畴中,广泛存在对立但对称现象

    In the categories of language system, there exist many phenomena of unsymmetrical opposites.

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  • 通过坐标变换简化了VSC功率传输方程,还采用对称触发策略设计了VSC传输功率控制系统

    The power transmission equation of VSC is simplified by coordinate transformation, and the control system for transmitted power of VSC is designed by use of unsymmetrical triggering method.

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  • 论述了利用瞬时无功功率理论三相对称电流正确检测出三相正序有功电流并用计算出指令电流对系统进行补偿的原理。

    Based on the instantaneous reactive power theory the method correctly detects the active positive-ord current from unsymmetrical currents and applies calculated command current to compensate system.

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  • 较全面地介绍了非合金常见的磁回线的平移及变形不对称现象、微观机理,以及脉冲变压器防盗系统商品识别等领域的应用

    Comprehensive review has been done on shifted and asymmetric hysteresis loops in amorphous alloys and their applications in pulse transformer, anti-theft system and goods-coding.

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  • 潮流谐波潮流解耦性基础,提出一种电力系统三相不对称基波潮流和谐波潮流分离迭代计算方法

    Based on the decoupling of fundamental power flow and harmonic power flow, a separate iteration method for calculating three-phase asymmetrical harmonic power flow in power system is presented.

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  • 本文提出了带有不对称饱和非线性环节线性离散系统适应控制算法算法简单易行。

    This paper presents an adaptive control algorithm for discrete time linear systems with asymmetric saturation nonlinearity. This algorithm can easily be realized.

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  • 为了减少消除信息不对称可以合理应用网络沟通管理系统以及规范的沟通制度沟通形式

    We can use the Online communication Management system and normative communication system and canonical communication form to decrease or avoid asymmetric information.

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  • 研究利用分量计算电力系统不对称故障的方法,说明了方法的实用价值。

    The calculation for asymmetrical failures in electric power systems using phase components is studied with its applicability discussed.

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  • 谐振接地系统中,系统高压对称故障负荷不对称会引起系统电源电势不对称从而改变中性点位移电压

    In resonant ground systems, both asymmetric fault of high-voltage side and asymmetry of load cause the asymmetry of system electrical source voltage. Then they change neutral displacement voltage.

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  • 由于设计采用了不对称结构,提高了系统功率电路的容错性

    The system adopts asymmetry half bridge structure, which makes the main power converter fault tolerant.

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  • 对称转子系统非线性振动问题进行了研究。

    The nonlinear oscillation of an unbalanced rotor system with unsymmetrical stiffness is studied.

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  • 针对化工过程某些非线性系统不对称动态特性,提出一种基于自校正模型的多模型预测控制算法

    To handle the unsymmetrical dynamic characteristics of some nonlinear systems in chemical process, a multi-model predictive control method was proposed based on self-tuning model.

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  • 中性点接地系统中,过电压可能主要某些类型不对称故障所引起。

    Overvoltages may also BE produced by certain types of asymmetrical fault mainly on systems with ungrounded neutrals.

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  • 另外三相四线制有源电力滤波器有效抑制线电流能有效地解决系统不对称问题

    Moreover, three-phase four-wire active filters can suppress zero line current, and solve symmetric problem of system effectively.

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  • 为了更确切地描述实际系统中的混沌现象提出变形蔡氏电路含有不对称非线性阻性元件

    In order to describe the actual chaotic systems exactly, a simple modified Chua s circuit is presented, which includes an asymmetric nonlinear resistive element.

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  • 采用一种常态下利用不对称电桥实时监测直流系统绝缘方法,解决了正负母线绝缘均按比例下降失效的问题。

    A new method is adopted to real-timely monitor DC system insulation, which applies double asymmetrical Bridges to keep it effective when positive and negative pole insulations drop in same proportion.

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  • 3g移动通信系统中,主要业务上下行速率严重不对称多媒体数据业务。

    In 3g mobile communication systems, main services are multimedia data services, of which the traffic is seriously asymmetric between uplink and downlink.

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  • 术前术后参照先天性肌性斜颈评分系统评定各项功能指标包括颈部活动头部倾斜面部不对称

    Preoperative and postoperative functional indices we re evaluated with congenital torticollis scoring system, including neck movement , head tilt, facial asymmetry.

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  • 针对我国国有商业银行上下级银行之间信息不对称特点综合利用层次分析法和灰色系统理论,建立了对基层商业银行经营效果评价综合体系

    Aiming at the information asymmetric character of the state-owned commercial Banks, grey system theory and AHP were combined to put forward a comprehensive evaluation system for the Banks.

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  • 使用相分量方法分析电力系统三相对称网络时更加方便。

    Phase components method may offer advantages in the analysis of unbalanced three-phase networks.

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  • 论文所论述的系统采用MSP430F149单片机通过不对称规则采样法输出高精度三相spwm波形从而实现了逆变器的SPWM控制

    The system adopts MSP430F149 MCU and asymmetry regular-sampling strategy to output high precision SPWM wave, consequently transducer's SPWM control is realized.

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  • 现有两种主要的、相互竞争着的密码术,称作钥(即对称系统钥(即对称系统

    The two main competing cryptography schemes are known as the secret-key (symmetric) system and the public-key (asymmetric) system.

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  • 针对供应链经济系统两大特性——组织性信息不对称,作深入研究供应链实践中的一些现象提供了理论解释

    The research on the self - organization & the information asymmetry of SCES is relatively deep-going, providing theoretical interpretation to some phenomena in the supply chain practice.

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  • 研究一类相似组合大系统系统互联项对称满足匹配条件

    A class of similar composite systems is discussed, and the interconnections in such systems may be asymmetrical and mismatched.

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  • 研究一类相似组合大系统系统互联项对称满足匹配条件

    A class of similar composite systems is discussed, and the interconnections in such systems may be asymmetrical and mismatched.

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