信号处理导论专业名词术语

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1、专业名词术语总结specializedwordschapter1~6sample采样quantization量化reconstruction重建idealreconstruction理想重建analogsignal模拟信号digitalsignal数字信号A/Dconversion模数转换D/Aconversion数模转换digitalsignalprocessor数字信号处理器frequencyspectrum频谱sinusoid正弦filter滤波器pole极点zero零点exponenti

2、allydecaying指数衰减impulseresponse冲激响应convolution卷积frequencyresponse频率响应steadystate稳态attenuate衰减magnified放大amplitude振幅aliasing混叠antaliasingprofilers抗混叠预滤波器symmetric相对的distort误传intersect相交rotate旋转clockwise顺时针duration持续时间periodicallyreplication周期重复nodulat

3、ion调制normalize归一化lowpassband低通带passband通带DTFT序列傅氏变换Capacitor电容Resolution分解Bipolar双极性unipolar单极性rounding舍入truncation截断quantizationerror量化误差mean均值variance变量meansquarevalues均方值rootmeansquare均方根signaltonoiseratio(SNR)信噪比squarewave方波unipolarnaturalbinaryc

4、ode单极性自然二进制码bipolaroffsetbinarycode双极性偏移二进制码bipolartwo’scomplementcode双极性二的补码successiveapproximationADconvertor逐次比较型模数转换器fullscalerange满量程uniformquantization均匀量化quantizationlevel量化等级quantizationwidth/resolution量化宽度/间隔randomvariable随机变量uniformdistrib

5、ution均匀分布probabilitydensity概率密度stationaryzero-meanwhitenoisesequence零均值平稳白噪声序列autocorrelation自相关cross-correlation互相关dynamicrange动态范围comparator比较器register寄存器feedbackloop反馈环路lineartime-invariantsystem线形时不变系统discrete-timesystem离散时间系统finiteimpulserespons

6、e有限长单位脉冲响应infiniteimpulseresponse无限长单位脉冲响应blockprocessing块处理samplebysampleprocessing逐个样本处理internalstate内部状态linearity线性stability稳定性weightedaverage加权平均differenceequation差分卷积recursive递归even偶数odd奇数filtercoefficient滤波器系数diverge发散antidiagonal反对角线flip-and-s

7、lide翻转平移input-off-state输出暂态integrator积分器DCgain直流增益overlap-add-blockconvolutionmethod重叠相加器temporary临时的adder加法器multiplier相乘器delay延迟器tappeddelayline抽头延迟器differentiator微分器unitstep单位阶跃信号alternatingstep正负交替的阶跃信号Z-transformZ变换positive正的negative负的regionofcon

8、vergence收敛域marginallystable临界稳定polynomial多项式denominator分母numerator分子peak峰dip谷partialfractionexpansionmethod部分分式展开法unitcircle单位圆doublesidedcomplexsinusoid双边复正弦truncatedcomplexsinusoid单边复正弦realvaluedcoefficient实系数complexconjugatepares复共轭对transferfuncti