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Unit11TheTransferFunctionandtheLaplaceTransformation传递函数和拉普拉斯变换transferfunction传递函数Laplacetransformation拉氏变换Laplacedomain复频域linearandstationary线性定常的initialcondition初始条件lumpedparameter集中参数transportlag传输延迟complexLaplacevariable复变量polynomialn.多项式ordern.阶integratev.积分differentiatev.微分frequencydomain频率域characteristicfunction特征函数characteristicequation特征方程transientresponse瞬态响应denominatorpolynomial分母多项式numeratorpolynomial分子多项式steady-statevalue稳态值closed-looptransferfunction闭环传递函数opened-looptransferfunction开环传递函数blockdiagramalgebra方块图计算（代数）operationalmathematics应用数学constantcoefficients常系数manipulatev.处理implementv.实现becomeadeptin熟练homogeneoussolution通解particularsolution特解unilateralFourierintegral单边傅立叶积分inversetransform反（逆）变换improperintegral奇异（无理）积分superpositionn.叠加initialvaluetheorem初值定理finalvaluetheorem终值定理magnituden.幅值shiftingtheorem平移定理multiplicationn.复合性stepn.阶跃信号piecewiseadj.分段的yieldv.推导出，得出integro-differentialequation微积分方程Kirchhoffslaws基尔霍夫定律algebraicequation代数方程frequencytransferfunction频率传递函数频率特性