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•5)题名中的大小写。•题名字母的大小写有以下3种格式。①全部字母大写。ANOVELTRUERMS-DCCONVERTER（一种新型真均方根/直流转换器）；②每个词的首字母大写，但3个或4个字母以下的冠词、连词、介词全部小写。ResearchontheOptimalNetworkingTechnologyofAnti-StealthObjectinRadarNet(雷达反隐身目标最优组网技术研究)；③题名第1个词的首字母大写，其余字母均小写。Narrowbandinterferencesuppressionbasedonwienerfilter（基于维纳滤波器的窄带干扰抑制技术）；•目前第二种格式用得最多，第三种格式的使用有增多的趋势。1•AFeatureExtractionMethodBasedonGaussWaveletFilterinSpeechRecognition•Abstract:ThispaperuseswavelettheoryinnoiserobustfeatureextractionofspeechrecognitionandintroducesafeatureextractionmethodbasedonGausswaveletfilter.TheGausswaveletfilterwithhumancriticalfrequencybandisobtainedbystudyinghumanauditorycharacteristics.ThispaperalsostudiesthemethodofscaleparameterchoosingindesigningGausswaveletfilter.Themethodswithnewandoriginalfeaturearesimulated.TheRBFneuralnetwasusedintrainandrecognitioncourse.Theresultsshowthatnewfeaturehashigherrecognitionrateandbetterrobustnessthantraditionalfeature.•Keywords:featureextraction;Gausswavelet;speechrecognition•2、基于独立分量分析的单通道语音增强算法•摘要：传统的独立分量分析要求观测信号的个数不能小于源信号的个数，无法直接对单路信号进行独立分量分析。为了能够利用独立分量分析分离加性噪声，须构造一路观测信号。基于语音信号的短时平稳的特性，该文提出一种构造噪声信号的算法，实现了信号与噪声的分离。仿真结果表明，利用该算法可得到很好的消噪结果，提高信号的信噪比。•关键词：独立分量分析；盲源分离；语音增强；单通道2019/12/21《通信与信息工程专业英语教程》3•SingleChannelSpeechEnhancementAlgorithmBasedonIndependentComponentAnalysis•Abstract:Thestandardindependentcomponentanalysisalgorithmrequirethatthenumberofsensorsismorethanorequaltothatofsources,soitisimpossibletoapplyindependentcomponentanalysistoasinglechannelsignaldirectly.ThispaperproposesanalgorithmforconstructinganoisesignalfornoisereductionbasedonICA,therebynoiseandsignalcanbeseparatedthroughICA.Simulationresultshowsthatmuchbetterde-noiseeffectandsignal-noiseratiocanbeobtainedbyusingthisalgorithm.•Keywords:IndependentComponentAnalysis(ICA);blindsourcesseparation;speechenhancement;singlechannelUnit5ModernDigitalDesignLesson13OverviewofModernDigitalDesignLesson13OverviewofModernDigitalDesign•Backgrounds•Texttour•Terminology▫CD:compactdisc光盘▫LP:longplayingrecord慢转密纹唱片▫CAD:ComputerAidedDesign计算机辅助设计▫EDA:ElectronicDesignAutomatic电子设计自动化Backgrounds•Terminology▫HDL:HardwareDescriptionLanguage硬件描述语言▫VHDL极高速集成电路(VHSIC)硬件描述语言Backgrounds•Terminology▫ASIC:ApplicationSpecificIntegratedCircuit专用集成电路▫PLD:ProgrammableLogicDevice可编程逻辑器件▫PLA:ProgrammableLogicArray可编程逻辑阵列▫RTL:RegisterTransferLevel寄存器传送级BackgroundsCaptureindictionary•Totakecaptive,asbyforceorcraft;seize.俘虏；捕获•Togainpossessionorcontrolof,asinagameorcontest:赢得，夺取•Toattractandhold:吸引▫talesofadventurethatcapturetheimagination.•Tosucceedinpreservinginlastingform:长久保存▫capturealikenessinapainting.▫保存一幅油画中的人物肖像Captureindictionary•Thephenomenoninwhichanatomoranucleusabsorbsasubatomicparticle,oftenwiththesubsequentemissionofradiation.俘获Captureintext•SynthesisandsimulationEDAtoolsrequirethatthedesignbetransferredfromthedesigner'simaginationintothetoolsthemselves.Thiscanbedonebydrawingadiagramofthedesignusingagraphicalpackage.Thisisknownasschematiccapture.•EDA综合工具和模拟工具均要求设计者将想法转化为设计。使用图形化软件包画设计原理图可以实现这一步。这种方法称之为“原理图输入”。Captureinuse•holecapture•空穴俘获•orbitalelectroncapture•轨道电子俘获•signalcapture•信号俘获Effectiveindictionary•Havinganintendedorexpectedeffect.有效的•Producingastrongimpressionorresponse;striking深刻印象的▫gaveaneffectiveperformanceasOthello.•Operative;ineffect有效的；生效的▫Thelawiseffectiveimmediately.•Existinginfact;actual实在的，实际的▫adeclineintheeffectivedemand.•Preparedforuseoraction,especiallyinwarfare.有战斗力的，备战的Effectiveintext•Althoughtheindividualintegratedcircuitsmightcostaslittleas10centseach,thecostofdesigningtheprintedcircuitboardforsuchasystemandthecostofassemblingtheboardareverysignificantandthisdesignstyleisnolongercost-effective.•尽管每片集成电路的成本也许只有10美分，但用于印刷电路板（PCB）设计、组装的成本却非常可观。因此，这种设计方法并不合算的。•effectiverange有效距离,有效射程•effectiveresistance有效电阻•effectivemeasures有效措施•effectiveforces战斗兵力EffectiveinuseSequentialindictionary•Formingorcharacterizedbyasequence,asofmusicalnotes;Pertainingtotheoccurrenceofeventsintimesequence,withnosimultaneityoroverlapofevents.顺序的•Sequent.随之而来的Sequentialintext•Mostdigitalsystemsaresequential,thatistheyhavestates,andtheoutputsdependonthepresentstate.•大多数数字系统是时序的——系统中有许多状态，而输出依赖于当前的状态（现态）。Specificationindictionary•Theactofspecifying.详细说明•Adetailed,exactstatementofparticulars,especiallyastatementprescribingmaterials,dimensions,andqualityofworkforsomethingtobebuilt,installed,ormanufactured;Insystemdevelopment,adescriptionofhowthedesignofasystem,device,orprogramistobeimplemented.规格•Asingleitemorarticlethathasbeenspecified.已经指明的事项或条款Specificationintext•Writeaspecification.•Ifnecessary,partitionthedesignintosmallerpartsandwriteaspecificationforeachpart.•Fromthespecificationdrawastatemachinechart.Thisshowseachstateofthesystemandtheinputconditionsthatcauseachangeofstate,togetherwiththeoutputsineachstate.•写出设计规格。•如果需要的话，将设计分解为若干部分，并为每一部分写出设计规格。•根据设计规格，画出状态机（状态转换图）。该图包括系统的每一个状态、引起状态变化的输入条件和每个状态的输出。Specificationinuse•cablespecification电缆规格•contractspecifications合同条款•designspecification设计说明•electricalspecification电气规范•enginespecification发动机说明书•environmentalspecification环境要求Termin