临界阻尼图像
![临界阻尼(critical damping)](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E8308E50EA55100EB549E00B54C0219379EE71E6E90C2C6013E0D8DAF31A1E12CF25E02CB30555636D270B75BBE3A290A48B5EB628F929B0E2E0A23FA4DB863456C140B9D0F7EE9F4987E9A5C5DC044CFA6)
临界阻尼(critical damping)
图片尺寸943x453![h(t)= -cosω0 nt 零阻尼](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9E8FBF478961CA007A7526DF5E8AFD82EDC74B78D96878D58D8969EB8AC321E2AA362C9AFBD44F97EC59C98D4C3084DD4E14A2BE7A6349B9ADA62767AA7159FC1B68008CA919B55A8623701C5C340E1A0)
h(t)= -cosω0 nt 零阻尼
图片尺寸1080x810![第1:什么是阻尼运动?](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E8326F3117C4227DA54C46B9332EFC589CA33D06B038FEF9158898F0B5C2CBD913A0BFCCD4B9C12DEA22232D45CD7EBA0EEA7D90930F389356625C25AABDA1A4C02C1F62EC4DDA88F07474F7F8F73B0D9B6)
第1:什么是阻尼运动?
图片尺寸829x490![2)临界阻尼状态ξ=1](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73403E57381DCC0F6FECC6D80E797A7FDCC40C5CC30833C0D22D66967410F798995E1AA768427C10AECB67277C34348DDDE289E65C003839E6F999072ECFC9983D239836CF6BCA49C63B69B63A5660D3DD)
2)临界阻尼状态ξ=1
图片尺寸512x321![临界阻尼体系 o6 t) l7 y) c q2 v7](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83C490ABBAB81FC844B153183CBC0F47A41208D08790C4E6987E4D5095CBBE3816AF0D255360841F3CCF1582F378865126F1B71981993DD23BC80D5915C8598C948DCEF192DAE870862B86E58C59B6812E)
临界阻尼体系 o6 t) l7 y) c q2 v7
图片尺寸808x434![临界阻尼](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73F3B3D3B238CF40D9DBBB94B1C2B69203B67BFBAED272FFF60CAE97EDE17510C38CCE1F7A7C2AC46AA3C6270BD2A39DC49368EBFAB69297B4D1883CFB00A4114E2A33B10F344C418B9B9DEFB737B70490)
临界阻尼
图片尺寸389x274![flac对几种阻尼的比较](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E830A76F5E9F8B94E426D69E3E033F083D7DBD5ED0AD63C6C36E611BB6F5FFA51BAA1915F2A90CAAE903032DA62847CA0539DEDC2ECAE2286D20857591D48A1B838FFC07A95120736E6ABF0D311D581B836)
flac对几种阻尼的比较
图片尺寸998x469![微分方程(有阻尼的简谐运动)](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E99D2214F715900D802D9621B517A2CD8F1B4C58290720CC42A9B5BE83D48DB11504547449BF27118669D493625641CF6C8DC1375359BACE034680670315990961DB4E36736570CFDA5DF4A365C5DAFB47)
微分方程(有阻尼的简谐运动)
图片尺寸625x443![阻尼](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A739AB6304EDCBDFF56DDCF90BD2C843300ACA2D11743ABC44CE2E7F83BBFE1E40E11C602C128B1922AFEFB444A94E304B607BB73181DD7A69753F49F9034236398D63574B7B65B103F719B871BDCB272C8)
阻尼
图片尺寸560x420![a)欠阻尼 第4章 机械振动 b)过阻尼 c)临界阻尼](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83303C18A4C591C343F564270BDFCE19A2364BF3C4609A56141CD8F2A2B93C36D1A75B18C8C1824420B58B1F7BF7B07129DEF38E0F2E3695DB9791CDF2C3A98F4570140A930B3F4812FE597EAF0670AC48)
a)欠阻尼 第4章 机械振动 b)过阻尼 c)临界阻尼
图片尺寸1080x810![系统会作无休止的周期性振动;当阻尼比ξ为1时称为临界阻尼状态,系统](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73ACF669FFA8C0A367EAABEB89AD2E5968439D42DD96B38321F88CE21D6142F39704CD2E016D628225A2B06DB0F883C6A5CE4033B18CD4A62438D4FC30A4426943B1CC699657C53AE6FE219E31B5773F4F)
系统会作无休止的周期性振动;当阻尼比ξ为1时称为临界阻尼状态,系统
图片尺寸450x288![临界阻尼情况(无振荡发生) 过阻尼情况 无振荡发生,系统逐渐回到平衡](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73737E6F9754F02B884BA2C79F179C1A867FDF29F3D38ED56C173DC21B165F1ACE1C43E47E3162877EA17B51D3AC171C8DED3E0B81695C6099C8196F089F6117CF48898B66F4619788E9D8729C367727A3)
临界阻尼情况(无振荡发生) 过阻尼情况 无振荡发生,系统逐渐回到平衡
图片尺寸1080x810![信号与系统实验过阻尼临界阻尼与欠阻尼](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E8370911A2C6082F525432648B92816D53806D30E435F7C24886FA75766FD1CCD0A798E60C06D16382BDC81894BABBDA3EA28E1EDC48BB4B70C9801836268B2C02A380393BCB2D97A1B2450FF9BD3B66EC5)
信号与系统实验过阻尼临界阻尼与欠阻尼
图片尺寸920x1302![(s) r (s) n 2 2 2 n r (s) 1 s 2 n s (t 0) 欠阻尼](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9C53C5B4A7E692E4CA86E98EE0CD4EC744E231BA90A4FFCAC8DFB89E1CFEAE05C654C77506A5D03B560574C735C9ACD9633774F01D52210ED6733498B33F97FB40E3D61380C7B3A2271B850E87AF459ED)
(s) r (s) n 2 2 2 n r (s) 1 s 2 n s (t 0) 欠阻尼
图片尺寸1080x810![(a)自由振动图像 (b)阻尼振动图像 图1-4-1 自主学习 名师解疑 分类例](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E8347AD1E26AEF27B4226436FA347D9717851CBFCF4808E4F229C960A5E41A9F3FC265DE750D4480A76811616A7AC20FE929908953D6468E32561C3B67D747B397E2DC0B05A1CF4F265C8E23B5E38B386A5)
(a)自由振动图像 (b)阻尼振动图像 图1-4-1 自主学习 名师解疑 分类例
图片尺寸1080x810![阻尼](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A733FA7BAD460C7381920E4E65DD43AE1E55CF923044DC96CEAD5F2F3D35D58AA6B2E9E78AE8629DDCBEEF4F4FA294B6A6071DC563AC4E48EDFC0887315BA40CE942D25B07F161B3EC68D4135CC2065238A)
阻尼
图片尺寸429x284![(a)欠阻尼 2 (b)过阻尼 2 (c)临界阻尼](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A7395D5EE53F7A87EC8B309FF96C2BE195B88F066D6A73AC67CEC89B89F093F6D683D3B09128501165F07F23D2B53671B3F0FE502B43A32E08DC862CE36D00487A782A673F26BD7A22A4AEE667AAF38A254)
(a)欠阻尼 2 (b)过阻尼 2 (c)临界阻尼
图片尺寸1080x810![临界阻尼 (自动化)](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9CD9ADBB805F6C90F2915C96968E03EEB9420236F486396B27AD6D3F88F89B463BC1D94FCE8D0AFAB5AB018F97051E20175B1ACFB3761AFA77279BB5C5E7747D4ADF3E57ECF142E8C1D274DED1E7F476F)
临界阻尼 (自动化)
图片尺寸448x319![第1节二阶电路的零输入响应](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9CE16A529042B928A13A17B2496D070ED8AB14C72EFEC2D573006AA33F77E1291FC13A987BF38C9A3BE34F4447878B6EA78FB94754DFFAAE0A9838DE405720E9F8AD9D6064A39FE310FE415ADE7AF0157)
第1节二阶电路的零输入响应
图片尺寸240x345![2临界阻尼omega_0 = etak = -eta\则有:x(t) = (a bt)e^{-eta](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E8320C0B022594454E3E3173240B18D70A3B7BABB9DEEFDB0A7DD7ACACEFACB3B0E646FE4A0E110A79E29194C2AC943A8D8BD2AAB3EC630F3FDF54427EC5E98838173561062DDCBCF44CDF2E7676668621F)
2临界阻尼omega_0 = etak = -eta\则有:x(t) = (a bt)e^{-eta
图片尺寸731x712