信息科学课后答案解析,王朔中.doc

Unit1Exercises(1),thegreatertheresistanceinthecircuitthelowertheQand,accordingly,,电路中的电阻愈大Q值就愈低,相应地线路电流或电路阻抗的谐振曲线也就愈平、愈宽。。Clickmouseonthewaveformanddragittochangethepulserepetitionrate,ordirectlyenteranewvalueoftheperiodintheprovideddialoguebox,,或者在提供的对话框中直接输入新的周期值,而保持脉冲宽度不变。Electronicsisthescienceandthetechnologyofthepassageofchargedparticlesinagas,inavacuum,、真空或半导体中运动的科学技术。注意,在本书中粒子运动仅限于金属的情况不属于电子学。Hardwaretechnologieshaveplayedvitalrolesinourabilitytouseelectronicpropertiestoprocessinformation,,而软件及数字处理方面却没能与硬件同步发展。However,inaproperlydesignedDCamplifiertheeffectoftransistorparametervariation,otherthanIco,,若调节每一级的工作点使之在温度变化时保持在晶体管线性区,就能在实际上消除Ico以外的晶体管参数变化所造成的影响。(2). ,theflip-flopchangesstate,leadingtohalfasmanypulsesattheoutputtotheclockinput. pared -waveorCWmodulationsystemsinwhichthemodulatingsignal_______ofadigitalpulsetrain. . ,oritchanges______byanamountequivalenttooneormorequantumsteps. ,notabsoluteva