通信与电子信息专业英语 课件 Unit 11 Electromagnetics.pptx

11.1IntroductionofElectromagnetics

11.2EngineeringElectromagneticsandWaves

11.1IntroductionofElectromagneticsWordsandExpressionsBackgroundsText

WordsandExpressionselectromagnetics n.电磁（学）engineeringelectromagnetics 工程电磁学electromagnet 电磁石；电磁体electromagneticfield 电磁场afieldofforcethatconsistsofbothelectricandmagneticcomponents,resultingfromthemotionofanelectricchargeandcontainingadefiniteamountofelectromagneticenergy.

WordsandExpressions4pertinent adj.有关的；恰当的；相宜的Thedisciplineofelectromagneticfieldtheoryanditspertinenttechnologiesisalsoknownaselectromagnetics.leapsandbounds 突飞猛进；跨越式发展；跳跃unabated adj.未减弱的；有增无减；未变弱unweakened,undiminished

WordsandExpressions5MEMS:MicroElectroMechanicalSystems 微电子机械系统；微型制造机电系统AMEMSAccelerometerinActionMEMSisthenameforamicrofabricationtechnologyusedinmakingSystem-on-a-Chip(SoC)thatembedsmechanicaldevicessuchasfluidsensors,mirrors,actuators,pressureandtemperaturesensors,vibrationsensorsandvalvesinsemiconductorchips.

WordsandExpressions6RCS:RadarCrossSection 雷达散射截面积Radarcross-section(RCS)isameasureofhowdetectableanobjectisbyradar.Itisdefinedastheeffectiveareaofanobjectthatinterceptsandscatterstheradarpowerbacktotheradar.

WordsandExpressions7ATR:AutomaticTargetRecognition 自动目标识别Stealth-Technology 隐身技术；隐形技术；低可侦测性技术EMC:ElectroMagneticCompatibility 电磁兼容性EMI:ElectroMagneticInterference 电磁干扰stochasticmodeling 随机建模NDE:NondestructiveEvaluation 无损评估；无损评价； 非破坏检测原理与应用metamaterial 超材料；特异材料；超常材料；人工材料

WordsandExpressions8subatomic adj.亚原子的；比原子小的；原子内的subatomicdimension 亚原子维度subatomicparticles 亚原子粒子electron,neutron,proton,photon…galactic adj.银河的；星系的

WordsandExpressionsultra-violet 紫外线；紫外线的；紫外光；紫外infra-red 红外线的relativistic adj.相对主义；相对论的； 相对性的；相对的relativisticphysics 相对论物理学relativisticelectronics 相对论电子学

WordsandExpressions10parlance