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DSP专业名词术语和缩写1samplin采样2quantization量化3reconstruction重建4idealreconstruction理想重建5analogsignal模拟信号6digitalsignal数字信号7A/Dconversion模数转换8D/Aconversion数模转换9digitalsignalprocessor数字信号处理器10frequencyspectrum频谱11sinusoid正弦12filter滤波器13pole极点14zero零点15exponentiallydecaying指数衰减16impulseresponse冲激响应17convolution卷积18frequencyresponse频率响应19steadystate稳态20attenuate衰减21magnified放大22amplitude振幅23aliasing混叠24antaliasingprofilers抗混叠预滤波器25symmetric相对的26distort误传27intersect相交28rotate旋转29clockwise顺时针30duration持续时间31periodicallyreplication周期重复32nodulation调制33normalize归一化34lowpassband低通带35passband通带36DTFT序列傅氏变换37Capacitor电容38Resolution分解39Bipolar双极性40unipolar单极性41rounding舍入42truncation截断43quantizationerror量化误差44mean均值45variance变量46meansquarevalues均方值47rootmeansquare均方根48signaltonoiseratio(SNR)信噪比49squarewave方波50unipolarnaturalbinarycode单极性自然二进制码51bipolaroffsetbinarycode双极性偏移二进制码52bipolartwo’scomplementcode双极性二的补码53successiveapproximationA\Dconvertor逐次比较型模数转换器54fullscalerange满量程55uniformquantization均匀量化56quantizationlevel量化等级57quantizationwidth/resolution量化宽度/间隔58randomvariable随机变量59uniformdistribution均匀分布60probabilitydensity概率密度61stationaryzero-meanwhitenoisesequence零均值平稳白噪声序列62autocorrelation自相关63cross-correlation互相关64dynamicrange动态范围65comparator比较器66register寄存器67feedbackloop反馈环路68lineartime-invariantsystem线形时不变系统69discrete-timesystem离散时间系统70finiteimpulseresponse有限长单位脉冲响应71infiniteimpulseresponse无限长单位脉冲响应72blockprocessing块处理73samplebysampleprocessing逐个样本处理74internalstate内部状态75linearity线性76stability稳定性77weightedaverage加权平均78differenceequation差分卷积79recursive递归80even偶数81odd奇数82filtercoefficient滤波器系数83diverge发散84antidiagonal反对角线85flip-and-slide翻转平移86input-off-state输出暂态87integrator积分器88DCgain直流增益89overlap-add-blockconvolutionmethod重叠相加器90temporary临时的91adder加法器92multiplier相乘器93delay延迟器94tappeddelayline抽头延迟器95differentiator微分器96unitstep单位阶跃信号97alternatingstep正负交替的阶跃信号98Z-transformZ变换99positive正的100negative负的101regionofconvergence收敛域102marginallystable临界稳定103polynomial多项式104denominator分母105numerator分子106peak峰107dip谷108partialfractionexpansionmethod部分分式展开法109unitcircle单位圆110doublesidedcomplexsinusoid双边复正弦111truncatedcomplexsinusoid单边复正弦112realvaluedcoefficient实系数113complexconjugatepares复共轭对114transferfunction传递函数115directform直接型116parallelform并联型117canonicalform正准型118transposedform转置型119effectivetimeconstant有效时间常数120resonator谐振器121notchfilter陷波滤波器122combfilter梳状滤波器123parametricequalizer参量均衡器124channelequalization信道均衡125deconvolution解卷积126directform直接型127differenceequation差分方程128IIRfilter无限长单位脉冲响应滤波器129FIRfilter有限长单位脉冲响应滤波器130adder加法器131multiplier乘法器132feedingforward前馈133feedingback反馈134numerator分子135denominator分母136polynomial多项式137coefficient系数138recursiveterm递归项139non-recursiveterm非递归项140negative负的141order滤波器的阶142internalstate内部状态143stateupdating状态更新144transferfunction传递函数145initialize初始化146cascadeform级联型147register寄存器148canonicalform(directformII)正准型（直接二型）149second-order-section(SOS)二阶基本节150complexconjugatepairs复共轭对151quantizationeffectsindigitalfilters数字滤波器中的量化效应152roundofferror舍入误差153sample-by-sampleprocessingalgorithm逐个样本处理算法154digitalwaveformgenerator数字波形产生器155periodicsquarewave周期方波156sinusoidalgenerator正弦波产生器157computationaloverhead额外的计算开销158exponentiallydecayingsinusoid包络按指数衰减的正弦波159wavetablesynthesis波表合成160periodicsequence周期序列161periodicwaveformgenerator周期波形产生器162touch—tone全数字按键式163DTMF双音多频164echo回声165combfilter梳状滤波器166reverberator混响器167noisereduction降噪168additivenoise加性噪声169compromise折衷170NRR(noisereductionratio)降噪抑制比171SNR(signal-to-noiseratio)信噪比172zero-meanwhiteGaussiannoise零均值高斯白噪声173minimizing最小化174maximizing最大化175piece-wiselinear分段线性176ECG心电图177Q-factor品质因子178time-windowing时域加窗179finite-duration有限长180samplingrate采样率181samplingtimeinterval采样间隔182rectangularwindow矩形窗183hammingwindow汉明窗184windowfunction窗函数185frequencyleakage频率泄露186mainlobe主瓣187sidelobe旁瓣188mainlobewidth主瓣宽度189relativesidelobelevel相对旁瓣水平190physicalfrequencyresolution物理频率分辨率191computationalfrequencyresolution计算频率分辨率192resolvabilitycondition可分辨条件193sharpspectralline尖锐的谱线194DTFT(discretetimeFouriertransform)离散时间（序列）傅立叶变换195DFT(discreteFouriertransform)离散傅立叶变换196N-pointDFTofalengthLsignal对L长信号做N点DFT197zeropadding补零198biasingerror偏移误差199roundingerror舍入误差200matrixform矩阵形式201twiddlefactor旋转因子202modulo-N模N203periodicextention周期延拓204computationalcost计算代价205unitarymatrix酉阵206merging组合207FFT(fastFouriertransform)快速傅立叶变换208Decimation-in-timeradix-2FFTalgorithm按时间抽取的基二FFT算法209butterflymergingequations蝶形组合公式210shuffling重排211bitreversal码位倒置212fastconvolution快速卷积213circularconvolution圆周卷积214overlap-addmethord重叠相加法215overlap-savemethord重叠保留法216IDFT(inversediscreteFouriertransform)序列傅氏反变换217IFFT(inversefastFouriertransform)快速傅立叶反变换218windowmethod窗口法219linearphase线性相位220guaranteesability保证稳定性221lowpass低通222highpass高通223bandpass带通224bandstop带阻225transitionband过渡带226passband通带227stopband阻带228differentiator微分器229Hilberttransformer希尔伯特变换器230double-sided双边231real实部232imaginary虚部233even偶234odd奇235truncate截断236cutofffrequency截止频率237transitionbandwidth过渡带宽238ripples纹波239symmetric对称240ant