Specialty English(记忆版)

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1、CommunicationEngineeringSpecialtyEnglishCourseUnit1electromagneticunceasingsimplex–duplexserial–parallelsynchronous–asynchronousNon-distortionCodingPrincipleError-correctionCodingPrinciplepulsecodemodulation(PCM)SignalandNoiseTheoryModulationPrincipleSignalDe

2、tectionTheoryVery-large-scale-integratedcircuit(VLSL)large–scale-integratedcircuit(LSI)IntegratedServiceDigitalNetwork(ISDN)opticalfibercommunicationphotoelectricityPrivateBranchExchange(PBX)PrivateAutomaticBranchExchange(PABX)microprocessorsatellitecommunica

3、tionspacecommunicationsuperioritysignal-to-noiseratio(SNR)电磁的，电磁学的不停地，持续的单工的–双工的串行的–并行的同步的，同时发生的–异步的，不同时发生的不失真编码原理纠错编码原理脉冲编码调制信号和噪声理论调制原理信号检测理论超大规模集成电路大规模集成电路综合业务数字网光纤通信光电（学）；光电现象专用分局交换机自动用户小交换机微处理器卫星通信空间通信，宇宙通信优越性信噪比Unit2conventionalanti-interferenceamplitud

4、ediscreteanalog–digitalcharactersourceencodingchannelencodingcoderatedemodulatorredundancysidelobesinusoidalcosinecarrierbasebandfrequencymodulation(FM)amplitudemodulation(AM)phasemodulation(PM)envelopephaselinearlydeviationdifferentiateindextransmitteroscill

5、atorphaselockedloop(PPL)singlesidebanddemodulatordiscriminationintermediatefrequency(IF)spectrumlimiterperturbationsslopefiltertime-varyingzero-crossingdetectorpulse-averagingdiscriminatormultivibratoratmosphericfluctuationthreshold常规的，传统的抗干扰振幅离散的模拟的-数字的字符信源编

6、码信道编码编码速率解调器冗余旁瓣正弦的，正弦曲线余弦的，余弦曲线载波基带调频调幅调相包络相位线性地，（成）直线地偏离，偏差；误差区分，区别，辨别指数，系数发射机振荡器锁相环单边带解调器辨别；辨别力，识别力中频频谱限制器，限动器，限幅器扰动，微扰斜率滤波器时变的过零鉴别器脉冲平均鉴别器多频振荡器大气的，大气层的波动，起伏门限Unit3format-formulaentropyrepresentemitdemonstrateblockarbitrarilyDiscreteMemorylessSource(DMS)oc

7、currenceseparatelyupperequivalentpowersignificancefundamentalapproachalgebraicCyclicblockcodesConvolutionalCodeprobabilisticboundsubsetfixed–weightcode–constant-weightcodecyclicshiftexploithard-decisionerrorpatternundetectederrorsyndromeconjunctionautomaticre

8、peat-requesterrorcorrectioncapabilituarrayn-dimensionalsphereradiusHammingdistancevaliddetectprotocol形式，[计]格式-公式[物]熵，[无]平均信息量表现发出，放射，散发论证，展示，演示块任意地离散无记忆信源发生，出现，事件；发生的事情分离地，个别地上面的相等的，相当的，同