清华大学物理实验a1阻尼振动与受迫振动实验报告

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1、阻尼振动与受迫振动实验物理实验报告清华大学阻尼振动与受迫振动实验物理实验简要报告班级姓名学号结稿日期：12阻尼振动与受迫振动实验物理实验报告阻尼振动与受迫振动实验报告（简要报告）一、阻尼振动实验数据记录及处理1、测量最小阻尼(阻尼0)时的阻尼比和固有角频率序号序号11294.859812404261104.700480366-0.15933203921284.852030264271094.691347882-0.16068238231274.844187086281084.682131227-0.16205

2、585941274.844187086291084.682131227-0.16205585951254.828313737301074.672828834-0.15548490361254.828313737311064.663439094-0.16487464371244.820281566321064.663439094-0.15684247181234.812184355331044.644390899-0.16779345691224.804021045341034.634728988-0.1692

3、92057101214.795790546351034.634728988-0.161061557111214.795790546361024.624972813-0.170817732121204.787491743371024.624972813-0.162518929131194.779123493381014.615120517-0.164002976141184.770684624391004.605170186-0.165514438151174.762173935401004.605170186

4、-0.157003749161184.77068462441994.59511985-0.175564774171174.76217393542984.584967479-0.177206456181164.75359019143984.584967479-0.168622712191154.74493212844974.574710979-0.17022115201144.73619844845964.564348191-0.171850257211144.73619844846964.564348191-

5、0.171850257221134.72738781947954.553876892-0.173510927231124.71849887148944.543294782-0.175204089241124.71849887149944.543294782-0.175204089251104.70048036650934.532599493-0.167880873-4.166448636-0.166657945于是得到：12阻尼振动与受迫振动实验物理实验报告由得到：从而可得。序号12345/s14.92614

6、.93514.94414.95114.958由上表，可得均值。12阻尼振动与受迫振动实验物理实验报告角频率的不确定度为：由此，角频率为：2、测量其他2种阻尼的相关振动参数。（1）阻尼1序号序号11054.6539603506674.204692619-0.4492677312964.5643481917614.110873864-0.4534743273884.4773368148564.025351691-0.4519851234804.3820266359503.912023005-0.470003630

7、5734.29045944110463.828641396-0.461818045-2.286548856-0.457309771由得到：12阻尼振动与受迫振动实验物理实验报告可得阻尼比：序号12345/s1.4981.4991.4981.4981.497序号678910/s1.4971.4961.4951.4931.493由上表，可得均值角频率的不确定度为：角频率为：12阻尼振动与受迫振动实验物理实验报告（2）阻尼2序号序号11635.0937502016884.477336814-0.6164133862

8、1444.9698133007784.356708827-0.61310447331274.8441870868684.219507705-0.62467938141134.7273878199604.094344562-0.63304325651004.60517018610533.970291914-0.634878272-3.122118769-0.624423754由得到：12阻尼振动与受迫