ID 原文 译文
13244 移动通信基站电磁辐射信号的监测是移动通信正常工作的重要保证，也是保障电磁环境安全的必要手段。 Monitoring electromagnetic radiation from moblle communication base station is an important guarantee to ensure the quality of the moblle communication services and also a necessary means to ensure the safety of electromagneic environment.
13245 文章针对监测设备核心部件ーー电场测量传感天线的需求，设计了一种新型的介质埋藏式多频段振子天线。 Focusing on the requirements of sensing antenna for electric field measurement, the core components of monitoring equipment, this thesis has desgned a novel dilectric embedded multi—band microstrip dipole antenna.
13246 利用多层印制电路板(printed circuit board, PCB)布板技术，将三个串馈微带印刷振子天线埋藏在介质基板中，可有效减小天线尺寸。 The series fed antenna is embedded in the dielectric substrate to reduce the antenna sze effectvely by the multi-layer PCB layout technology.
13247 通过仿真和优化实现电场测量传感天线的设计，并制作了天线实物，同时进行了参数测量，结果表明：天线工作的频段基本覆盖，2G、3G、4G网络的工作频率范围，分别为0. 850 "0. 950 GHz,1. 670,1. 740 GHz，方向图全向性好，大小为72.0 mmX48.0 mmX6. 0 mm。 The antenna is desgned by simulaton and opt and the antenna is manufactured to measure the parameters. The results show that the worKing band basicly covers 2G, 3G, and 4G spectrums which ranges between 0. 850 GHz-0. 950 GHz and between 1. 670 GHz-2. 740 GHz, the radiation pattern has good omni-direction ability and the size is 72. 0 mmX48. 0 mmX 6. 0 mm.
13248 可以达到测量移动通信基站电磁辐射的电场测量传感天线的专用性、多频段、灵敏度、各向同性和便携性要求。 It can meet the requrements of specificity, muti-band, sensitivity, sotropy and portablity of sensing antenna for measurng electromagnetic radaton of moble communcaton base staton.
13249 可以使用本文设计的电场测量传感天线来测量基站周围空间电场强度。 The sensing antenna for electric field measurement can be used to measure the electric field intensty around the base station.
13250 针对电磁脉冲作用下晶闸管(silicon controlled rectifier，SCR)意外导通事故频发的问题，选择静电放电(electrostatic discharge, ESD)作为典型电磁脉冲源,对比分析了小电流SCR的ESD敏感度特性，确定了 ESD作用下SCR的失效模式为门极电压作用失效、阴阳极断路。 This paper introduces the electrostatc dscharge (ESD) pulse which is selected as the typical source to fi nd out the conduct i ng rules of thyristors in these examinations. The ESD sensitivity characr teristics of the silicon controlled rectifier (SCR) with low current is compared and analyzed. The fallure mode of the SCR confrms that the gate is out of operation，or the circuit between the Anode and the cathode is broken.
13251 采用理论和试验相结合的方法得出了SCR意外导通的开启时间仅与阳极电压和器件本身特性有关的结论，并进一步通过方波电磁脉冲注入的对比试验，揭示了 ESD作用下SCR因dV/df触发导通的开启时间只与ESD注入电压有关：注入电压越高，开启时间越短。 It has been found that the conduction time of the SCR triggered by dV/dt is only related to the structure and materal propertes of the SCR itself as well as the anode voltage. Through the comparative study in square wave pulse injected tests, we find that the conducton time of the SCR trggered by dV/dt under the ESD condtions is only related to the ESD injected voltage, and the hgher the njected voltage, the shorter the conduction time.
13252 提出了一种新型的基于全局透射边界条件(norrlocal boundary condition, NLBC)的Greene近似宽角抛物方程(wide-angle parabolic equation，WAPE)电波预测模型，用于求解对流层远距离复杂环境中的电磁波传播特性。 This paper present a new Greene approximation wide angle parabolic equation (WAPE) radio prediction model based nor-local boundary condition(NLBC). This model can be used to calculate radio propagation characteristics in complicated environment.
13253 采用有限差分法(finite difference method, FDM )求解WAPE得到了三对角线性方程组，可以快速地求解整个空间的电场分布，也可以对不规则的地表环境进行精确建模。 Tri-diagona linear equations are achieved by the finite difference method (FDM), which not only quickly solve field distribution in the whole domam but also accurately mode, irregular terrain.