数字信号处理a（双语）chapter 6-z transform b-豆柴文库

数字信号处理a（双语）chapter 6-z transform b.ppt

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Chapter66.4TheInversez-Transform 6.5z-TransformTheorems 6.4TheInversez-Transform6.4.1GeneralExpression6.4.1GeneralExpression6.4.1GeneralExpression直接计算围线积分比较麻烦，一般不采用此法求逆z变换，求解逆z变换的常用方法有：留数定律法查表法部分分式法★ 长除法6.4.1GeneralExpression利用留数定理计算围线积分1.1GeneralExpression6.4.1GeneralExpression6.4.1GeneralExpression6.4.1GeneralExpression6.4.1GeneralExpression6.4.1GeneralExpression6.4.1GeneralExpressionExample6.126.4.3Inversez-TransformbyPartial-FractionExpansion6.4.3Inversez-TransformbyPartial-FractionExpansion6.4.3Inversez-TransformbyPartial-FractionExpansion6.4.3Inversez-TransformbyPartial-FractionExpansion6.4.3Inversez-TransformbyPartial-FractionExpansion6.4.4Partial-FractionUsingMATLAB[num,den]=residuez(r,p,c)convertsaz-transformexpressedinapartial-fractionexpansionformtoitsrationalform6.4.5Inversez-TransformviaLongDivision6.4.5Inversez-TransformviaLongDivision6.4.6Inversez-TransformUsingMATLAB6.4TheInversez-Transform 6.5z-TransformTheorems 6.5z-TransformTheorems.6.5z-TransformTheorems6.5z-TransformTheorems6.5z-TransformTheorems6.5z-TransformTheorems6.6ComputationoftheConvolutionSumofFinite-LengthSequences 6.6.1LinearConvolutionUsingPolynomialMultiplication 6.6.2CircularConvolutionUsingPolynomialMultiplication 6.6.1LinearConvolutionUsingz-Transform6.6.1LinearConvolutionUsingz-Transform6.6.1LinearConvolutionUsingz-Transform6.6.1LinearConvolutionUsingz-Transform6.6.1LinearConvolutionUsingz-Transform6.6.2CircularConvolutionUsingz-Transform6.6.2CircularConvolutionUsingz-Transform6.6.2CircularConvolutionUsingz-Transform6.6.2CircularConvolutionUsingz-Transform6.6.2CircularConvolutionUsingz-Transform6.7TheTransferFunction6.7TheTransferFunction6.7TheTransferFunction6.7.1Definition6.7.2TransferFunctionExpression6.7.2TransferFunctionExpression6.7.2TransferFunctionExpression6.7.2TransferFunctionExpression6.7.2TransferFunctionExpression6.7.2TransferFunctionExpression6.7.2TransferFunctionExpression6.7.2TransferFunctionExpression6.7.3FrequencyResponsefromTransferFunction6.7.3FrequencyRe

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