瞬时的
- 与 瞬时的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The attitude of missile in the launch inertial coordinate frame is obtained by the relation between CRF and LICF.
由星敏感器视场中的星图,可生成唯一的最大凸多边形,基于凸多边形的星图识别算法可同时获得多颗星的瞬时位置,由此可获得弹体在赤道惯性系和发射点惯性系中的姿态及其关系。
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Under the current experiment conditions, it is difficult to completely understand the characteristics of laser ignition of energetic materials because of instantaneity and complexity of the process. Thus, researchers attach widespread importance to the method of numerical simulation.
由于含能材料激光点火过程的瞬时性和复杂性,在目前的实验条件下难以全面地了解含能材料的激光点火特性,因此用数值模拟方法来分析含能材料的激光点火特性受到人们的普遍重视。
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Based on the compensate admittance model of Steinmetz theory a method is put forward which use instantaneous values of load current and voltage to denote it. The simulations and practical application in the design of SVC model have shown that the proposed method is very effective, accurate, and with fast response performance.
本文基于不平衡负荷的平衡化原理(即Steinmetz原理)的补偿导纳模型,采用负荷电流电压瞬时值采样的方法补偿无功功率,并将该方法应用于SVC样机的设计,结果表明,它们是快速有效和准确的,具有实际的工程应用价值。
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By use of prediction of adaptive model and instantaneous increment of current amplitude, fault pre-triggering and triggering mechanism for bus protection are realized in this paper, and sensitivity and reliability are improved consequently.
本文还利用自适应模型的预测和电流瞬时幅值的增量实现了母线保护的故障预启动和故障启动,灵敏故障预启动是实现抗TA饱和母线保护方法的基础,可靠故障启动是母线保护出口的必要条件。
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The MATLAB simulation software is used to model the harmonics detection circuit, which is based on the instantaneous reactive power theory.
通过对基于瞬时无功功率理论的一种谐波电流检测方法的研究,利用MATLAB仿真软件建立了相应的仿真电路,就其中的低通滤波器对谐波电流检测效果的影响进行了仿真研究。
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Then, the instantaneous voltage feedback control circuit of the Z source inverter with an inner loop of the output filter inductor current is designed. The validity of the double close loop control strategy is verified by simulation and experiment results.
首先对阻抗源逆变器的逆变部分进行了建模,其次简要介绍了传统电压源型逆变器的控制策略,然后以带滤波电感电流内环的电压瞬时值反馈控制为例介绍了阻抗源逆变器的输出电压控制的实现。
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Based on the needs of system control strategy and the output of the active inverter, a switch function method was adopted to build the average model of switch cycle for the active inverter in order to accurately analyze operation characteristic of active inverter, a feed forward and double loop control strategy is put forward, its double control includes a inductor current inner loop control and instantaneous voltage outer loop control.
中文摘要:为准确分析有源逆变器的运行特点,根据系统控制策略的需要,在考虑了有源逆变器输出的基础上采用开关函数法建立了有源逆变器的开关周期平均模型。提出一种前馈加双环控制的控制策略,它的双环控制包括一个电感电流内环控制和一个瞬时电压外环控制。
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In this thesis, the design scheme of a DSP-controlled inverter applied in mobile generator is presented at the beginning and then the design method of control system is mainly discussed. Equivalent output impedance model of instantaneous voltage and current closed-loop controlled inverter is established on the foundation mentioned above. How the values of LC filter, parameters of PI regulator and feedback coefficient etc. affect the external characteristic of inverter is analyzed in detail. Non-linear factor of inverter are also discussed and corresponding solutions are put forward.
本文首先给出了移动发电机DSP控制逆变模块的设计方案,着重讨论了控制系统的设计方法,在此基础上建立了电压电流瞬时值双闭环控制的逆变模块等效输出阻抗模型,对滤波器LC值、PI调节器参数和反馈系数等各项因素对逆变模块输出外特性的影响进行了详细分析,并探讨了逆变模块中非线性因素对输出波形的影响,提出了相应的解决方案。
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Methods:The expressive plasmids of AML1b and AML1-ETO were transfected into CV-1 and 293 cells.The expression level of endogenous pig7 gene was detected by Realtime-PCR.The luciferase reporter plasmids containing pig7 enhancer/corresponding mutant sequences were constructed and co-transfected into CV-1 cells with expressive plasmids of AML1b and AML1-ETO.The transactivity of pig7 enhancer was assayed by luminometer.
研究方法:AML1b和AML7-ETO表达质粒分别转染及共转染CV-1和293细胞,用Realtime-PCR方法检测上述基因对两种细胞内源性pig7基因mRNA表达水平的影响;构建含AML1b结合位点的pig7基因增强子序列以及相对应的突变位点的荧光素酶报告基因质粒;将表达载体/突变载体与AML1b或AML1-ETO基因瞬时共转染CV-1细胞,分析AML1b、AML1-ETO对报告基因的转录调节作用。
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We present the equation which satisfies the transient distribution of L for the three special cases M/M/1, GI/M/1 and M/G/1 queue of GI/G/1 queueing system, and proves that the length L of GI/G/1 queueing system satisfy three types of equation, and their minimal nonnegative solution are unique bounded solutions.
给出GI/G/1排队系统及其三个特例M/M/1,GI/M/1和M/G/1排队系统的队长L的瞬时分布所满足的方程。证明GI/G/1排队系统的队长L满足三种不同方程,并且是这些方程的最小非负解,也是唯一有界解。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。