信号与系统常用词汇中英文对照表

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1、常用术语中英文对照表英文中文Adder加法器Additivity可加性Aliasing混叠Allpasssystem全通系统AmplitudeModulation(AM)幅度调制Amplifier放大器Analog-to-DigitalConversion模数转换Aperiodicsignal非周期信号Autocorrelationfunction自相关函数Band-limitedsignal带限信号Bandpassfilter带通滤波器Blockdiagram方框图Bodeplot波特图Butterworthfilter巴特沃斯滤波器Carrierfreq

2、uency载波频率Carriersignal载波信号Cascade-formblockdiagram级联方框图Cascade(series)interconnection级联连接Channelequalization信道均衡Closed-loopsystem闭环系统Coefficientmultiplier系数乘法器Communicationsystem通信系统Complexconjugate复共範Complexexponential复指数Complexnumber复数Continuous-timesignal连续时间信号Conjugatesymmetry共

3、轨对称性Conjugationproperty共轨性质Continuous-timeFouriertransform连续时间傅里叶变换Continuous-timesystem连续时间系统Convolutionintegral卷积积分Convolutionsum卷积和Correlationfunction相关函数Cross-correlationfunction互相关函数Cutofffrequency截止频率Digitalsignal数字信号Demodulation解调Discrctc-timc离散时间Discrete-timeFourierseries离散

4、傅里叶级数Decibel(dB)分贝Delay延迟Difference差分Differentiation微分Differentialequation微分方程DirectForm1realization直接I型实现DirectFormIIrealization直接II型实现Dirichletconditions狄利克雷条件Discontinuity不连续Discrete-timeModulation离散时间调制Discrete-timesignal离散时间信号Discrete-timesystem离散时间系统Distortion失真Double-sideban

5、dmodulation双边带调制Duality对偶性Eigenfunction特征函数Eigenvalue特征值Ellipticfilter椭圆滤波器Energy-densityspectrum能量密度谱Envelope包络线Equalization均衡Exponential指数函数FastFourierTransform(FFT)快速傅里叶变换Feedback反馈Feedbackinterconnection反馈互联Filter滤波器FiniteImpulseResponse(FIR)有限冲激响应Final-valuetheorem终值定理Firsthar

6、moniccomponenl一次谐波分量First-ordercontinuous-timesystem一阶连续时间系统First-orderdiscrete-timesystem一阶离散时间系统Forcedresponse强迫响应Frequency-DivisionMultiplexing(FDM)频分复用Frequencyresponse频率响应Frequencyscaling频率尺度变换Frequencyshiftingproperty频移性质Gibbsphenomenon吉布斯现象Groupdelay群延时Harmoniccomponent谐波分量H

7、ighpassfilter高通滤波器Hilberttransform希尔伯特变换Imageprocessing图像处理Imaginarypart虚部Impulseresponse冲激响应InfiniteImpulseResponse(HR)无限冲激响应Initial-valuetheorem初值定理Instantaneousfrequency瞬时频率Integral积分Integrationproperty积分性Integrator积分器LinearTimeInvariant(LTI)system线性时不变系统InverseFouriertransform傅

8、里叶逆变换InverseLaplacetransfo