电子信息工程专业英语单词1.doc

digitalanalog 数字模拟hardwaresoftwarefirmware 硬件软件固化软件building block 标准部件development 开发debug 调 试refer to as 称为random access 随机储存scale 规 模 passiveactive 有源的无源的component 元件 Fig. figure 图Open 开路currentvoltagepotential 电流电压电位transistordiode 三极管二极管 anodenegativepole 正极负极inversionnon-invert 倒相正相stage 级circuitry 电路系统element 元件truth table 真值表positive negative 正负in terms of = take advantage of利用power consumption = power dissipation功耗propertyperformance 性能inverter 反相器with respect to 关于specification 参数device 器件semiconductor 半导体toggle frequency 触发频率in series in parallel 串联并联response 响应capacitanceinductanceresistor 电容电感电阻 pull-up resistor 负载电阻operating frequency 工作频率come in 分类power dissipation=powerconsumption 功耗tradeoff 折衷sensitive insensitive 敏感不敏感spike glitch 尖脉冲短时脉冲act as 充当noise susceptibility 噪声敏感度breakdown voltage 击穿电压supply pin 电源引脚 microfarad 微法emitter input 射极输入pin compatible 引脚兼容flip-flop 触发器mediumspeed device 中等速度器件toggle frequency 触发频率superior to 优于noise immunity 抗噪drive capability 驱动能力input impedance 输入阻抗for short 简称output stage 输出级package 封装function generator 函数发生器square-wave 方波tunable 可调的signetics 芯片timer 定时器counter 计数器synchronous counter 同步计数器logical operation 逻辑运算block diagram 框图oscilloscope 示波器oscillator 振荡器symmetrical waveform 对称波形synchronous asynchronous同步异步synchronous counter 同步计数器latch 锁存器Divider 分频器programmable counter可编程计数器 4-bit device 4位器件multistage operation 多级运算timing waveform 时序波形preset value 预设值Bi-direction 双向的parallel serial 并行串行coder decoder 编码器译码器comparator 比较器cascade 级联monostable 单稳态triggerretriggernonretrigger触发再触发非触发 noise rejection 抗噪 transmitterreceiver 发射机接收机modulatedemodulate 调制解调filter 滤波器amplipy amplifier 放大放大器superheterodyne receiver 超外差接收机narrow band 窄带incoming signal 接收信号local oscillator 本振difference frequency 差频block diagram 框图tuned circuit 调谐电路image signal噪声系数spurious signal 镜像信号reject =prevent=suppress 抑制intermoulate互调antenna 天线mixer 混频器gainloss 增益损益conversion gain 变换增益drift 漂移product 分量sideband noise边带噪声moudulatordemodulator 调制器解调器bandwidth 带宽signal strength 信号强度specification 参数discrete channel 离散信道phase-looked loop 锁相环synthesizer 合成器sensitivity 灵敏度navigation receiver 海事接收机atmospheric noise大气噪声skirt characteristics 边带特性communication 通信audio-frequency response 音频响应intermodulatecrossmodulate 互调交调image rejection 镜像抑制spurious rejection寄生抑制nonlinear circuit 非线性电路detector 检波器harmonics 谐波square-law 平方律amplitude 幅值be proportional to 与.成比例 作业7：14.03.20noise figure 噪声系数resistive 阻性的impedance 阻抗short circuit短路negative feedback 负反馈thermal noise 热噪声image frequency 镜像频率noise factor 噪声因子third-order component 三阶分量 passband stopband 通带阻带component 分量even (偶) odd (奇)even harmonics 偶次谐波distortion失真transfer characteristic 转换特性bias 偏置potentiometer 分压器Constant 常量Attenuator 衰减器thermal noise 热噪声 distortion 失真narrow-band noise 窄带噪声broadband 边带odd-order distortion 奇数阶失真bipolar 双极性scalar-valued 标量independent variable 独立变量variable argument 变量，自变量discrete-time signal 离散时间信号sample 抽样quantization 量化sequence序列impulse function冲激函数eigenfunction特征函数complex exponential复指数sinusoidal sequence正弦序列Map映射principle of superposition叠加原理shift invariance移不变indepengdent property独立特性convolution 卷积convolution sum卷积和If and only if当且仅当necessary and sufficient condition充要条件system response 系统响应linearity线性stability稳定性causality因果性time domain时域frequency domain频域periodic sequence周期序列snthesis equation 综合等式analysis equation解析等式coefficient 系数duality对偶time-aliasing时间折叠algebraic expression代数表达式contour integral围线积分Z-transform Z变换inverse Z-transform Z 的逆变换finite-duration sequence有限长序列interval区间algorithm算法arithmetic operation算术运算convolution sum 卷积和Nth-order difference equation N 阶差分方程homogeneous solution 齐次解zero state零状态recursion 递归linear signal flow graph线性信号流图weight加权rearrange重排second-order factor二阶因子transfer function 传输函数dynamic range动态范围polynomial多项式the tapped delay line structure抽头延迟线结构linear phase 线性相位lowpass filter 低通滤波器passband 通带stopband 阻带iteration 迭带方程digital filter 数字滤波器analog filter 模拟滤波器cascade 级联parallel 并行spectrum 谱eigenvalue 特征值eigenfunction 特征函数phase response 相位响应unit circle 单位圆imaginary axis 虚轴functional approximation 函数近似polynomial approximation 多项式近似edge frequency 截止频率lowpass filter低通滤波器passband 通带stopband 阻带phase response相位响应unit circle单位圆imaginary axis虚轴functional approximation函数近似ploynomial approximation多项式近似iterative procedure迭带方程digital filter数字滤波器S-plane S平面 Z-plane Z平面map 映射aliasing 混迭bandlimit 限带objective目的impulse invariant design 冲激不变法设计impulse response冲激响应step response 阶跃响应sampling period 抽样周期frequency response频率响应successive terms 连续项alternative 可替代的parameter参数distortion失真numerator分子denominator分母criterion准则exploit利用bilinear transformation双线性变换piecewise-constant-frequency characteristics分段恒定频率特性Piecewise-constant-magnitude characteristics分段恒定幅度特性time domain 时域frequency domain频域finite length impulse response sequence 有限长冲激响应序列frequency response 频率响应periodic convolution 周期卷积passband 通带stopband 阻带transition bandwidth 过度带宽linear phase factor 线性相位因子trigonometric polynomial 三角多项式sysmenetry property 对称性质signal processing 信号处理noisy measured signal含噪测量信号Integration range 积分范围 smoother filter 平滑滤波器 constant signal 常量信号 mean 均值 variance 方差 Caussian noise 高斯噪声 DC frequency 直流频率 unity reponse 单位响应 geonetric series 几何级数 noise component 噪声分量 objective criterion 客观准则 partial derivative 偏导mean-square 均方 image enhancement 图像增强restoration 复原Mathematical criteria 数学准则rectification 修正 gray level 灰度级 uniform distribution 均匀分布histogram 直方图 contrast 对比 lumiance 亮度 light intensity 光强度 optical density 光密度development 成像 opaque 不透明的 transmittance 透明性，传递函数 visual system 视觉系统 symmetrical response 对称响应 contrast ratio 对比度nonnegtive function 非负函数 scaling transform 比例变换 scanner 扫描仪 random varible 随机变量 probability distribution 概率分布 transfer function 传递函数coarse quantization 粗量化 false contouring 伪轮廓 quantization noise 量化噪声 piecewise-linear transformation 分段线性变换 compress 压缩 expand 扩展 segment slope 分段斜率 histogram 直方图 threshold 阀值 be proportional to 与.成比例 logarithmic transformation 对数变换 electronic signal 电信号 log amplifier circuit 对数放大器 exponential transformation 指数变换 quantization noise 量化噪声 histogram equalization 直方图均衡化 multiplicative noise 乘性噪声operational amplifier 运算放大器 feedback loop 反馈环 probalilty distribution 概率分布 random varigble 随机变量 uniform distribution均匀分布 lemma 引理 jump function 阶跃函数 inequality 不等式 subinterval 子区间 gray level 灰度级 empirical distribution function 经验分布函数 truncation function 截断函数 rounding 舍入telecommunication 电信 prerequisite 前提 voice tube 话筒 acoustic system 声学系统 simplex communication 单工通信 simplex 单工 duplex 双工 input source 信源 output destination 信宿 speech recognition 语音识别 transmitter terminal 发射终端 transmission channel 传输信道 transducer 传感器 microphone 麦克风 loudspeaker 扬声器 communicator 通信员 transmitter 发射机 receive 接收机 property 性能 terminology 术语 signal-to-noise ratio 信噪比 bandwidth 带宽 capability 性能 sensitivity 敏感度 attenuation 衰减 passive 无源 active 有源 termal noise 噪声 sky noise 大气噪声 deterioration恶化 principle of homogeneity 均匀原理 principle of superposition 叠加原理 dynamic range 动态范围subset 子集 generating set 生成集 hi-fi high-fidelity 高保真 tune 调谐 degradation 亮度 intelligibility 可理解性transmission channel 传输信道 delay 延时 electrical conduction 电导体 optical fibres 光纤 lectromagnetic radiation 电磁辐射 microwave 微波 satellite 卫星 electromagnetic and magnetic field 电磁场 crosstalk 串话 equaliser均衡器 repeater 中继器 coaxial cable 同轴电缆 insula