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AAbsolutelyintegrable绝对可积Absolutelyintegrableimpulseresponse绝对可积冲激响应Absolutelysummable绝对可和Absolutelysummableimpulseresponse绝对可和冲激响应Accumulator累加器Acoustic声学Adder加法器Additivityproperty可加性Aliasing混叠现象All-passsystems全通系统AM(Amplitudemodulation)幅度调制Amplifier放大器Amplitudemodulation(AM)幅度调制Amplitude-scalingfactor幅度放大因子Analog-to-digital(A-to-D)converter模数转换器Analysisequation分析公式（方程）Angel(phase)ofcomplexnumber复数的角度（相位）Anglecriterion角判据Anglemodulation角度调制Anticausality反因果Aperiodic非周期Aperiodicconvolution非周期卷积Aperiodicsignal非周期信号Asynchronous异步的Audiosystems音频（声音）系统Autocorrelationfunctions自相关函数Automobilesuspensionsystem汽车减震系统Averagingsystem平滑系统BBand-limited带（宽）限的Band-limitedinputsignals带限输入信号Band-limitedinterpolation带限内插Bandpassfilters带通滤波器Bandpasssignal带通信号Bandpass-samplingtechniques带通采样技术Bandwidth带宽Bartlett(triangular)window巴特利特（三角形）窗BilateralLaplacetransform双边拉普拉斯变换Bilinear双线性的Bilineartransformation双线性变换Bit（二进制）位，比特Blockdiagrams方框图Bodeplots波特图Bounded有界限的Breakfrequency折转频率Butterworthfilters巴特沃斯滤波器C“Chirp”transformalgorithm“鸟声”变换算法Capacitor电容器Carrier载波Carrierfrequency载波频率Carriersignal载波信号Cartesian(rectangular)form直角坐标形式Cascade(series)interconnection串联，级联Cascade-form串联形式CausalLTIsystem因果的线性时不变系统Channel信道，频道Channelequalization信道均衡Chopperamplifier斩波器放大器Closed-loop闭环Closed-looppoles闭环极点Closed-loopsystem闭环系统Closed-loopsystemfunction闭环系统函数Coefficientmultiplier系数乘法器Coefficients系数Communicationssystems通信系统Commutativeproperty交换性（交换律）Compensationfornonidealelements非理想元件的补偿Complexconjugate复数共轭Complexexponentialcarrier复指数载波Complexexponentialsignals复指数信号Complexexponential(s)复指数Complexnumbers复数Conditionallystablesystems条件稳定系统Conjugatesymmetry共轭对称Conjugationproperty共轭性质Continuous-timedelay连续时间延迟Continuous-timefilter连续时间滤波器Continuous-timeFourierseries连续时间傅立叶级数Continuous-timeFouriertransform连续时间傅立叶变换Continuous-timesignals连续时间信号Continuous-timesystems连续时间系统Continuous-to-discrete-timeconversion连续时间到离散时间转换Convergence收敛Convolution卷积Convolutionintegral卷积积分Convolutionproperty卷积性质Convolutionsum卷积和Correlationfunction相关函数Criticallydampedsystems临界阻尼系统Crosss-correlationfunctions互相关函数Cutofffrequencies截至频率DDampedsinusoids阻尼正弦振荡Dampingratio阻尼系数Dcoffset直流偏移Dcsequence直流序列Deadbeatfeedbacksystems临界阻尼反馈系统Decibels(dB)分贝Decimation抽取Decimationandinterpolation抽取和内插Degenerative(negative)feedback负反馈Delay延迟Delaytime延迟时间Demodulation解调Differenceequations差分方程Differencingproperty差分性质Differentialequations微分方程Differentiatingfilters微分滤波器Differentiationproperty微分性质Differentiator微分器Digital-to-analog(D-to-A)converter数模转换器DirectFormIrealization直接I型实现DirectformIIrealization直接II型实现Direct-form直接型Dirichletconditions狄里赫利条件Dirichlet,P.L.狄里赫利Discontinuities间断点，不连续Discrete-timefilters离散时间滤波器Discrete-timeFourierseries离散时间傅立叶级数Discrete-timeFourierseriespair离散时间傅立叶级数对Discrete-timeFouriertransform（DFT）离散时间傅立叶变换Discrete-timeLTIfilters离散时间线性时不变滤波器Discrete-timemodulation离散时间调制Discrete-timenonrecursivefilters离散时间非递归滤波器Discrete-timesignals离散时间信号Discrete-timesystems离散时间系统Discrete-timetocontinuous-timeconversion离散时间到连续时间转换Dispersion弥撒（现象）Distortion扭曲，失真Distributiontheory（property）分配律Dominanttimeconstant主时间常数Double-sidebandmodulation(DSB)双边带调制Downsampling减采样Duality对偶性EEcho回波Eigenfunctions特征函数Eigenvalue特征值Ellipticfilters椭圆滤波器Encirclementproperty围线性质Endpoints终点Energyofsignals信号的能量Energy-densityspectrum能量密度谱Envelopedetector包络检波器Envelopefunction包络函数Equalization均衡化Equalizercircuits均衡器电路Equationforclosed-looppoles闭环极点方程Euler,L.欧拉Euler’srelation欧拉关系（公式）Evensignals偶信号Exponentialsignals指数信号Exponentials指数FFastFouriertransform(FFT)快速傅立叶变换Feedback反馈Feedbackinterconnection反馈联结Feedbackpath反馈路径Filter(s)滤波器Final-valuetheorem终值定理Finiteimpulseresponse(FIR)有限长脉冲响应Finiteimpulseresponse(FIR)filters有限长脉冲响应滤波器Finitesumformula有限项和公式Finite-durationsignals有限长信号Firstdifference一阶差分Firstharmoniccomponents基波分量（一次谐波分量）First-ordercontinuous-timesystems一阶连续时间系统First-orderdiscrete-timesystems一阶离散时间系统First-orderrecursivediscrete-timefilters一阶递归离散时间滤波器First-ordersystems一阶系统Forcedresponse受迫响应Forwardpath正向通路Fourierseries傅立叶级数Fouriertransform傅立叶变换Fouriertransformpairs傅立叶变换对Fourier,JeanBaptisteJoseph傅立叶（法国数学家，物理学家）Frequencyresponse频率响应FrequencyresponseofLTIsystems线性时不变系统的频率响应Frequencyscalingofcontinuous-timeFouriertransform连续时间傅立叶变化的频率尺度（变换性质）Frequencyshiftkeying(FSK)频移键控Frequencyshiftingproperty频移性质Frequency-divisionmultiplexing(FDM)频分多路复用Frequency-domaincharacterization频域特征Frequency-selectivefilter频率选择滤波器Frequency-shapingfilters频率成型滤波器Fundamentalcomponents基波分量Fundamentalfrequency基波频率Fundamentalperiod基波周期GGain增益Gainandphasemargin增益和相位裕度Generalcomplexexponentials一般复指数信号Generalizedfunctions广义函数Gibbsphenomenon吉伯斯现象Groupdelay群延迟HHalf-sampledelay半采样间隔时延Hanningwindow汉宁窗Harmonicanalyzer谐波分析议Harmoniccomponents谐波分量Harmonicallyrelated谐波关系Heatpropagationanddiffusion热传播和扩散现象Higherorderholds高阶保持Highpassfilter高通滤波器Highpass-to-lowpasstransformations高通到低通变换Hilberttransform希尔波特滤波器Homogeneity(scaling)property齐次性（比例性）IIdeal理想的Idealbandstopcharacteristic理想带阻特征Idealfrequency-selectivefilter理想频率选择滤波器Idealization理想化Identitysystem恒等系统Imaginarypart虚部Impulserespo