从亥姆霍兹方程出发，导出了自聚焦光纤中传导模在圆柱坐标系中的场分布形式，并给出了几个低阶模的分布图。
The propagation modes in selfco fiber, which features the laguerre Gauss distributions, are derived by solving the helmholtz wave equation incylindrical coordinates.
进一步对三种异质结进行研究，得出传导模的出现不只是晶格结构畸变一种情况可以产生，其他两种异质结也能产生传导模。
It is further shown that guide modes appear not only in the case of lattice structure aberrance but also in the other two cases.
其测试诊断步骤依序为：传导发射测试、辐射辐射测试、共模电流测量和机箱泄漏检查。
The testing processes are testing of conductive transmit and radiant transmit, testing of common-mode current and detecting divulgation in turn.
本文根据电磁兼容优势效应理论，推导出双绞线传导干扰主要由差模电流引起，辐射干扰主要由共模电流引起。
Basing on dominant effect theory in EMC, conducted emi and radiated emissions of twisted-pair wires are mostly respectively due to differential-mode currents and common-mode currents.
为此根据电磁兼容优势效应理论，推导出双绞线传导干扰主要由差模电流引起，辐射干扰主要由共模电流引起。
Based on dominant effect theory in EMC, the conducted emi and radiated emissions of twisted-pair wires are mainly due to differential-mode currents and common-mode currents, respectively.
按照GB 9254—2008，电信端口传导共模骚扰测试反映的是信息技术设备(ite)通过电信端口向通信网络反向注入的传导场强。
According to GB 9254 — 2008, common mode disturbance test of telecommunication port is to measure the conducted electrical field of ITE transmitted into network.
诊断开关电源传导干扰的主要性质，分别测量共模干扰和差模干扰，是正确设计电源EMI滤波器的第一步。
It is difficult to design and build an effective power line EMI filter for switched mode power supply without distinguishing the differential or common mode component from conducted noise.
共模干扰和差模干扰是传导emi的两种传导形式，本文从产生源、传播路径方面分别对共模干扰和差模干扰进行了论述。
CM and DM are the two conducted form of the conducted EMI, this paper discuss the CM and DM in the noises.
文中对输出采用同步整流管对共模传导干扰模型的影响也进行了分析。
The influence on common mode EMI by a synchronous rectifier is analyzed too.
本文侧重研究了典型开关电源中的几种EMI形式，即传导干扰(包括差模和共模噪声)和辐射干扰。
This dissertation examines the different kinds of EMI in typical SMPS, namely conducted (differential and common mode) and radiated interferences.
通过实例证明，传导性电磁干扰噪声分离网络能对共模和差模噪声进行有效地诊断，为正确选用抑制噪声的EMI滤波器提供依据。
This paper concentrates on conductive EMI noise Diagnosis and impedance matching of EMI filter Design. Experiments show that discrimination network is effect...
从分析传导测试原理入手，建立了针对差模干扰信号的一阶滤波器的电路等效模型；
By the way of analyzing the transmit test principle, the model of the first-order filter in allusion to DM interface signal are established;
机器模腔表面采用特制铝合金板，热传导效率高，抗拉强度好，寿命长。
The machine mould antrum is made of special ainico main plate with good efficiency for high heat exchange , top class anti-extension and can be use for a long time.
共模扼流圈的高频特征极大地影响了电磁干扰（EMI）滤波器抑制传导EMI噪声的性能。
The high frequency parasitic parameters of common mode(CM) choke significantly influence the performance of electromagnetic interference(EMI) filter for conducted EMI suppression.
共模干扰和差模干扰是传导emi的两种传导形式，本文从产生源、传播路径方面分别对共模干扰和差模干扰进行了论述。
CM and DM are the two conducted form of the conducted EMI, this paper discuss the CM and DM in the noise source and promulgated path.
较详细地阐明了DK8110型多点多路模温控制系统的工作原理，结合注塑过程热力传导理论，对该系统的冷却与加热进行设计计算。
The working principle of DK8110 multiple—point—road mold temperature control system is expounded in detail. With the heat transfer theory of plastics injection moding process, the cooling and heat…
较详细地阐明了DK8110型多点多路模温控制系统的工作原理，结合注塑过程热力传导理论，对该系统的冷却与加热进行设计计算。
The working principle of DK8110 multiple—point—road mold temperature control system is expounded in detail. With the heat transfer theory of plastics injection moding process, the cooling and heat…
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