物理专业名词.docx

Unit 1Ideal operational amplifier （op amp）理想运算放大器electronics 电子学analog signal模拟信号digital signal 数字信号voltage gain电压增压bandwidth 带宽closed-loop gain 闭环增益supply voltage 电源电压power dissipation 功率消耗resistance 电阻impedance 阻抗bias currents偏置电流frequency response 频率响应phase shift 相移transient response 瞬态响应distortion 失真common-mode rejection 共模抑制open-loop gain 开环增益voltage 电压direct current（DC）直流电alternating current（AC）交流电current 电流transducer 传感器data sheet技术规格表offset voltage drift补偿电压漂移frequency 频率Unit 2integrated circuit（IC）集成电路chemistry textbook 元素周期表 bipolar-junction transistor（BJT）双极结型晶体管diode二极管field-effect transistor （FET）场效应管transistor 晶体管light emitting diode（LED）发光二极管 flip-flop触发器metal-oxide semiconductor（MOS）金属氧化物半导体complementary-MOS 互补型base基极emitter发射极collector集电极gate栅极drain漏极source源极Unit 3EM （全写 Electromagnetic） filed 电磁场net EM filed净电磁场wireless communications 无线通信physical filed 物理场gravitation wan 万有引力the weak/strong interaction弱/强相互作用electric filed 电场magnetic filed 磁场stationary/moving charges 静止/运动电荷Maxwell’s equations麦克斯韦方程组 Lorentz force law洛伦兹力定律 quantum mechanical 量子力学 radio transmitter无线电发射机 metal atoms金属原子 radiation of low frequency低频辐射ultraviolet catastrophe 紫夕卜灾难a fixed frequency 固定频率Max Planck普朗克常量the photoelectric effect 光电效应a quantum electrodynamics量子电动力学the grayitational filed of the sun 太阳重力场Unit 4electronic transmitter 电子发射机public telephone networks公共网gross world product 世界总产值mobile phone移动radio broadcast无线电广播free space自由空间point-to-point communication 点对点通信 analogue/digital signals 模拟/数字信号 streams of information 信息流 time-division multiplexing时分多路技术(TDM)phase-shift keying 相移键控 frequency-shift keying 频移键控 amplitude-shift keying 振幅键控 amplitude modulation 幅度调制 frequency modulation 频率调制Unit 5Multiple Access Techniques 多址接入技术 frequency spectrum 频谱fixed bandwidth 固定带宽FDMA(Frequency Division Multiple Access) 频分多址TDMA(Time Division Multiple Access) 时分多址CDMA(Code Division Multiple Access)码分多址radio spectrum 无线电频谱wireless network 无线网络base station 基站analog transmissions 模拟通信available bandwidth 可用带宽analog signals 模拟信号multipath effects 多径效应inter-symbol interference 码间串扰Global System for Mobile Communications全球移动通信系统spread spectrum technique 扩频技术pseudo random noise code(PN 码)伪随机噪声信号correlate 卷积accurate ranging 精准测距multipath tolerance 多径适应性LSI(Large Scale Integrated circuit)uplink上行链路大规模集成电路FM(frequency modulation)调频VLSI(Very Large Scale Integration)carrier frequency载波频率超大规模集成电路frequency reuse频率复用process gain处理增益MTSO(mobile telephone switching office)signal to noise信噪比移动交换机构bit rate比特率co-channel interference共信道干扰background noise背景噪声handoff切换wide spread interference宽（扩）频干扰roams漫游chip码片path loss and multipath fadingsynchronization同步路径损耗和多径衰弱forward link encodingphase shifts相移前向连（链）接编码amplitudes幅值matrix矩阵space diversity空间分集reverse link encodingantenna diversity天线分集反向链接编码non-faded signal无衰弱信号time slot时隙frequency diversity频率分集unit6time diversity时间分集mobile communications移动通信delay spread延迟扩展cellular phones蜂窝attenuation衰减cellular system蜂窝系统absorption coefficient吸收系数cordless phones无绳RMS(Root-Mean-Square)均方根Radio Frequency(RF)射频microsecond微秒transceiver收发器kilohertz千赫terminal终端digital modulating waveformthe wireless infrastructure 无线基础设施数字调制波形forward channel前向信道interleaving交织downlink下行链路signal processing techniquesreverse channel逆向信道信号处理技术bit stream比特流Unit7Satellite Communications 卫星通信 Communications Satellite 通信卫星 Commercial satellite 商业卫星 artificial satellite 人造卫星 television broadcasting 电视广播 radio broadcasting 无线电广播wide-area network communications 广域网络通信point-to-point 点对点wireless local area network 无线局域网络 Earth orbit地球轨道amateur radio communications 业余无线通 信weather forecasting 天气预报Global Positioning System (GPS)全球定位系 统hand-held terminals 手持终端fixed-point telephone 固定distance learning 远程教学hand held telephone (cellular phone)手持电 话cable channel有线电视频道Direct Broadcast Satellite(DBS)直播卫星 central control unit中央控制单元Fixed Service Satellite (FSS)固定服务的卫 星radio frequency 无线射频linear polarization 线性极化DTHHBO 家庭影院NASA国家航空航天局low Earth orbit 低地轨道space-borne repeaters 太空中继器 satellite broadband 卫星宽带 data-forwarding services 数据转发业务 dialup connection 拨号上网 wireline broadband有线宽带网络附录二conver optimization 凸优化 mathematical optimization 数学优化 least-squares 最小二乘法linear programming 线性规划 nonlinear-programming 非线性规划 interior-point method 内点法 semidefinite program 半正定规划 second-order cone program 二阶锥规划 automatic control system 自动控制系统 signal processing 信号处理electronic circuit design 电子技术课程设计 combinatorial optimization 组合优化 global optimization 整体最佳化 real-time 实时computer-aided 计算机辅助 re。