考研《信號與線性系統》大（代碼:第一部分考試說一、考試 科學和專業招生考試中的《信號與線性系統》均采用本考試大綱。科學招生考試中的《信號與線性系統》科目的代碼為824，專業招生考試中的《信號與線性系統二》科目的代碼為889二、考試形式與試卷（二）180（四）第二部分考查要(SignalsandSystems)1．信號、系統的(Conceptsaboutsignalsandsystems)(Commonlyusedsignalsandtheirproperties)3．信號的波形圖、基本運算與奇、偶分(Waveformofsignals,transformationoftheindependentvariable,evenandoddpositionofsignals)(Unitimpulseandunitstepfunctionsandtheirproperties)(Basicsystem(LinearTime-invariant1.(Propertiesoflineartime-invariantsystems)(Zero-inputresponseoflineartime-invariant3.(Zero-stateresponseoflineartime-invariant4.(Propertiesandcomputationofconvolutionintegral)(Properties computationofconvolution(UnitimpulseresponseandUnitstepresponseofcontinuous-timeLTIsystems)(UnitsampleresponseandUnitstepresponseofdiscrete-timeLTIsystems)(SolutionofLinearconstant-coefficientdifferentialequationsintime-)(SolutionofLinearconstant-coefficientdifferenceequationsintime-(Fourierseriesrepresentationofperiodic(Eigen-functionoflineartime-invariant(Fourierseriesrepresentationofcontinuous-timeperiodic(Propertiesof(Fourierseriesrepresentationofdiscrete-timeperiodic離散時間級數的性(Propertiesof(Spectrumofperiodic(ResponseofLTIsystemsforperiodicinput(Ideallow-pass,high-pass,all-pass,band-passandband-stop四、連續時間變(TheContinuous-timeFourier(CTFTandthespectrumofcontinuous-timenon-periodic連續周期信號的變(Fouriertransformofcontinuous-timeperiodic連續時間變換的性(Propertiesof連續線性時不變系統的頻率響應Hj、幅頻響應Hj、相頻響應Hj(Thefrequencyresponse Hjofcontinuous-timeLTIsystemsanditsmagnitudeHjandphaseHj)(ysisofcontinuous-timeLTIsystemsinfrequency)(Conceptoflinear五、離散時間變(TheDiscrete-timeFourier(DTFTandthespectrumofdiscrete-timenon-periodic離散周期信號的變(Fouriertransformofdiscrete-timeperiodic離散時間變換的性(Propertiesof離散線性時不變系統的頻率響應Hej幅頻響應Hej相頻響應Hej(ThefrequencyresponseHejofdiscrete-timeLTIsystemsanditsmagnitudeHejandphaseHej)(ysisofdiscrete-timeLTIsystemsin (Samplingofcontinuous-timesignals)(Principleofimpulse-trainsampling) (Methodsofreconstructingtheoriginalcontinuous-timesignalsfromits七、變(TheLaplace1.變換及其收斂(TheLaplacetransformanditsregionof2.逆變(TheInverseLaplace3.變換的性質(PropertiesoftheLaplacetransform)(SystemfunctionH(sofcontinuous-timesystems)(RelationshipsbetweensystemfunctionandthecausalityandstabilityofLTI(Geometricevaluationofthefrequencyresponseoffirst-orderorsecond-orderLTIsystemsfromthepole-zeroplotofH(s))(Solvingthezero-stateresponseusingtheLaplacetransform)(Blockdiagramrepresentationsofcontinuous-timeLTI(SignalflowgraphrepresentationsofLTIsystemsandMason’sFormula)10．單邊變換及其性質(TheUnilateralLaplacetransformandits(SolvingdifferentialequationsusingtheunilateralLaplace八、Z(Thez-(Thez-transformanditsZ(TheInversez-Z(Propertiesofthez-(SystemfunctionH(zofdiscrete-timesystems)(RelationshipsbetweensystemfunctionandthecausalityandstabilityofLTI(Geometricevaluationofthefrequencyresponseoffirst-orderorsecond-orderLTIsystemsfromthepole-zeroplotofH(z))7.Z(Solvingthezero-stateresponseusingthez-transform)(Blockdiagramrepresentationsofdiscrete-timeLTI9.Z(TheUnilateralz-transformanditsproperties)(Solvingdifferenceequat