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From the macromethod and micromethod the principle of eleotromag-netic effect each other has been discussed. It was pointed out that the electromagnetic effect each other is a general behavior existing various levels in matter.

本文从宏观和微观的理论,讨论了电磁相互作用的本质,指出电磁相互作用是一种存在于物质结构的各种层次的普遍相互作用。

In order to confront with the increasingly complicated electromagnetic environments and adapt to the development necessary of the integrative electronic warfare,this paper studies the integrative reconnaissance technology for radar and communication signals from single-platform,analyzes the characteristics of radar and communication signals in detail from the different aspects of the electromagnetic frequency band,function,power,signal waveform and modulation mode,researches some key technologies to realize the integrative reconnaissance for radar and communication signals,such as integrative microwave front technology,digital receiver technology,digital signal processing and modularity technology,especially analyzes and researches the integrative signal sorting and identification technology deeply.

为对抗日益复杂的电磁环境,适应一体化综合电子战发展的需要,对单平台雷达/通信侦察一体化技术进行了研究。从电磁频段、功能、功率、信号波形及调制方式等不同角度,详细地分析了雷达与通信信号的特点;对实现雷达/通信侦察一体化的一体化微波前端技术、一体化数字接收机技术、一体化数字信号处理技术、模块化技术等关键技术进行了研究,尤其是对一体化信号分选、识别技术进行了深入的分析研究。

Electromagnetic controlling molten metal is one of most important key technique of electromagnetic processing of materials.

对高速连铸中的金属熔体进行电磁控制是电磁连铸过程的关键技术之一。

The results indicated that EMP can promote necrosis and apoptosis of hippocampal neurons,induce morphological changes in blood vessels, neuroglia cells and neurons at early stage, which may be the possible injury mechanism in rat brain induced by EMP.

表明大鼠大脑受电磁脉冲辐照后早期海马区可发生神经细胞坏死和凋亡,以及各组织成分的病理形态学改变,上述变化可能与电磁脉冲致细胞DNA损伤有关。

Based on a 5th-order model and the electromagnetic characteristics of an induction motor, we prove that the coefficient matrix is nonsingular, confirming the existence of the inverse decoupling control of stator flux and torque in any conditions.

本文从异步电动机的5阶模型及其固有的电磁特性出发,证明了其系数矩阵的非奇异性,进而结合逆系统理论证明定子磁链与电磁转矩的逆解耦在任何状态下都是存在的。

In this paper, a detailed study on the measurement of the frequency characteristics of EMI coupling paths, the model of EMI coupling paths and the equivalent EMI noise model of an off-line PWM switched mode power supply is introduced quantitatively and qualitatively.

本文以一台小功率离线式PWM开关电源为例,对开关电源传导电磁干扰耦合通道的特性测量、电路模型的建立和分析、开关电源对电网等效电磁干扰模型的建立进行了研究。

Based on the frequency characteristic of the impulse, electromagnetism interference problem of clock circuit is studied, putting forward basic ways and means for design on the electromagnetic compatibility of clock circuit.

在分析脉冲频谱特性的基础上,研究了时钟电路的电磁干扰问题,提出了时钟电路电磁兼容设计的基本方法。

The space quadrature vector oriented control can decouple between output current and frequency of the inverter by Park transformation, which guarantee the quite high accuracy of the 90 degree phase angle between the two-phase output current that supply for two phase electromagnetic stirrer in quite low frequency.

提出了一种基于空间矢量定向的二相电磁搅拌器逆变电源的结构和控制策略,该逆变器采用六桥臂式主电路拓扑结构,逆变器的第三相桥臂与两相电磁搅拌器的中点相连。

Based on continuous conditions of general displacements and stresses at interfaces of adjacent layers and given boundary conditions, the reflection and transmission coefficients of elastic wave were obtained by virtue of partial wave method and propagator matrix method.

以多层纯弹性结构为研究对象,验证本文提出方法的正确性,然后对弹性波在多层电磁弹性结构中的反射与透射特性进行了计算和分析,并讨论入射角、入射波频率和电磁边界条件对这些系数的影响。

At first the auxiliary magnetic bearing is modeled as a single degree of freedom system with nonlinear magnetic force, which is then analyzed qualitatively by the phase plane method.

电磁执行器直接安装在主支承上的一种新型支承结构-电磁辅助支承系统的稳定性进行研究。

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随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

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