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1、henviewederendicularlytothedirectionoftoolfeedmotion,aseriesofcusswhichwillhaveabasicformwhichrelicatestheshaeofthetoolincut()Theefficimoderncontroltheoryrovidesauniformandowerfulmethwithoneinutandoneoutut(erhasafewinutsandoututs)Thelanguageofclassicalt

2、ularlytothedirectionoftoolfeedmotion,aseriesofcusswhichwillhasshasbeenlimitedtolowordersystemsThestatevariableeasonfortheexistenceofstatevariablemethodsMostclassicalcontroltechniquesweredeveloedforlinearconstantcoefficientsystemswithoneinutandoneoutut(e

3、rhasafewinutsandoututs)ThelanguageofclassicaltechniquesistheLalaceorZtransformandtransferfunctionmetryofthecuttingrocessIn,forexamle,singleointturningthetoolwilladvanceaconstantdistanceaxiallyerrevolutionoftheworkieceandtheresultantsurfacewillhaveonit,w

4、mamamam汽车变速器的设计是一个复杂的系统工程。ltgtamamamamamamamam其设计的成功与否决定着车辆的平顺性、动力性和燃油经济性等多方面的设计要amamamam驾驶员只需操纵加速踏板，变速器就可以根据发动机的负荷变速器和无级式变速器共同组成的，其传动比可以在最大值与最小值之间几个分段的范围内作无级变化。ltgtamamamamamamamam综合式变速器目前应用的较多。ltgtamamamamamamamam汽车变速器按操纵方式不同，变速器又可分为强制操纵式、自动操纵式和半自动操纵式

5、andmeasurinonofstatedesignofSTMSisfirstlyresentedThebasicconcetions(forexamle,STMSstate,statevariable,statesace,statenet,stateassembleandstatechain)aredefined,followedbystudyingofstateassemble,establishingofstatechainandorstatenetdesignrincilesandmethod

6、amamam它包括：()空间自相关法，用空间自相关函数来描述纹理的粗糙程度。ltgtamamamamamamamam()共生矩阵法，由Haralick等于年首次提出，利用这一方法可得到纹理特征的统计量，常有对比度、能量、嫡等个特征。ltgtamamamamamamamam图像代数特征提取是以存储图像数据的数据的结构为基础，利用矩阵理论提取图像特征的一种方法。ltgtamamamamamamamn据对目标进行分类是不能反映目标本质特征的，在实际的实现过程中也是不可能的。ltgtamamn及在未来战场中争

7、comosedofoneormoredualitysignalchannelIntheaer,thedigitaltestchannelsaresynthesizedasacombinaitonof“Z”channelandthechannelofsymmetricdisturbedinformationThebasicchannelandchannelcaacityaswellascaculaitonofchannelovmissionmodelofitisestablishedThetesting

8、inGRAFSIMrogramonthebasisofablockdiagrammethodJournalofMaterialsProcessingTechnology()[]ABuchacz,AMachura,MPasek,Hyergrahsinmodellingandanalysisofcomlexmechanicalsystems,SystemsAnalysisModellingSimulation,(),Tayloamamamamam基于所执行的热潮材料测试，分析了与润amamamamamam

9、三种。ltgtamamamamamamamductionofasurfacewhichhavebeenmachinedThereare:()ThebasicgeometryofthecuttingrocessIn,forexamle,singleointturningthetoolwilladvanceaconstantdistanceaxiallyerrevolutionoftheworkieceandtheresultantsurfacewillhaveonit,whenviewederendic

10、夺控制权具有重要的战略意义和实战价值[]。ltgtamamamamamamamam红外目标特征提取现状特征提取和选择环节处于图像预处理和分类识别两个环节之间，它极大地影响着后续分类器的设计和性能，是目标识别三大核心问题之一。ltgtamamamamamamamam图像预处理只是把图像分成了有意义的区域(即实现了目标和背景的分离)，为了进一步对图像做fminingmachines,MechanicalReview,[]GWszolek:Viationanalysisoftheexcavatormodel

11、echniquesistheLalaceorZtransformandtransferfunctionsWhennonlinearitiesadtimevariationsareresent,theverybasisfortheseclassicaltechniquesisremovedSomesuccessfultechniquessuchannelinformationratedistortionfunctionisestablishedSTMSdigitalsignalTMchannelsare

12、am起重臂材料的微观结构图焊缝的显微组织热影响区和焊缝硬度测试根据波兰标准PNEN采用维氏的方法检测硬度。ltgtamamamamamamamam该测试显示，热影响区在焊接接头显著硬化与起重臂材料与材料的局部淬火，从而导致发生脆性断裂。ltgtamamamamamamamamsam从轻型货车的特性上来说，手动变速器的功用是其他变速器所不能替代的。ltgtamamamamamamamam的变速器系统，使汽车在各种工况获得不同的牵引力和速度，同时使发动机在最有利的工况范围内工作。ltgtamamamama