10级专业英语试卷

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1、洛阳理工学院2012/2013学年第一学期专业英语期末考试试题卷（A）适用班级：B100509/10/11/12考试日期时间：2012.11.29一、用英语写出缩写形式的全称(每小题1分，共10分)1.ADC2.　　CATV3.　　CAD4.DSP5.　　DC6.　　FM7.　　HDTV8.　　IEE9.　　IEEE10.　　LED二、PleasetranslatethefollowingphrasesintoEnglish.(每小题2分，共30分)1.　　模拟电路2.集成电路3.　　共射极电路4.负载电阻5.　　步进制6.纵横制7.

2、　　电子交换机8.长途网9.　　灰度图像10.直方图均衡11.图像对比度12.结果矩阵13.真空三极管14.纠错编码15.　视线传播三、PleasetranslatethefollowingphrasesintoChinese.(每小题2分，共30分)第7页共7页1.　　very-high-frequency2.　　ultra-high-frequency3.　　quadratureamplitudemodulation4.　　stored-programcontrol5.　　circuitswitch6.　　pac

3、ketswitch7.　　CATT(ChinaAcademyofTelecommunicationsTechnology)8.　　edgefilter9.　　magnitudespectrum10.　　objectrecognition11.phasespectrum12.binary-codednumber13.Hi-Fi14.　　electromagneticinduction15.single-sideband二、TranslatethefollowingsentencesintoChinese.(每小题2分，共

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5、rpreventselectricityfrompassingthroughit,itisusedasinsulatingmaterial．6.Dependingontherelationshipbetweenthesignalfrequenciesandthesamplingrate,spectralinversionmaycausetheshapeofthespectruminthebasebandtobeinvertedfromthetruespectrumofthesignal.7.Lowpassfiltersblurima

6、ges,highpassfiltersemphasizesharpchangesingrayscalelevel,andedgefilterslocateedgesinanimage．8.Theavalanchephotodiode(APD)detectorisfollowedbyafront-endamplifierandequalizerorfiltertoprovidegainaswellaslinearsignalprocessingandnoisebandwidthreduction.9.Themainbenefitsof

7、TD-SCDMAarethatitcanbeimplementedlessexpensivelythancomparable第7页共7页3GsystemssinceitismuchmorespectrumefficientandiscompatiblewithGSMnetworkelements,allowing3Gserviceswithoutinstallationofcompletelynewinfrastructure.1.Furthermore,thisinformationwouldbeavailabletothepati

8、ent’sprivatephysicianandtothis(oranother)hospitalincaseofasubsequentreadmissionortransfertoanotherfacility.2.S