《轮胎路面噪声的测定及分析方法.pdf》由会员分享，可在线阅读，更多相关《轮胎路面噪声的测定及分析方法.pdf（5页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、?Y?Z?_?1“1?r?r?fifl“?1?w/?q?ab?4l?r”?u?4l?q?x?B?!#?!$#?%&$()?*+,?-.Bh/?5cd?014 23,?D?UV?*?!1?*?#?1?,WX?efV?!?!?#ghij?456789:;?#?#?klmn?0?!4#?$%&()?*+,*?-.*?/0*?A12B34?5$%?*?67?$89C?:;2?o_?pq+,*$%?A?B C h;+?,?!?D7DE$9CFGHEIJK!4#?LMN?OPF?GQR?$?HSTU?7DV)U?IJWX8Y?$%#Z?$%K?MN“?_DLMa?b?cN?deH?W?fO&gh?iFPQ
2、j!?,$%?rs-.*Rkl()P!mn?op?-q?$?Ar-.Sstuvwx?Tyx?w?-.J?R?Uz5#?r!V8-v-.?WX?|?TY?*?D7?R$?v$?,?L=“?de$?$?Z?$%9C?E?S$%9C?R?TE?-.*C7?RIT?-.Ss=?w4 y?x?S?!?vT?L?E$?ZO?iF?J0M?O?P,?Gde?-.X8?!-.?G#?E_?a_?ib?a?p?t?(?G#?,?Eib?T-.?de$?9C?tH/0*D$?!ZO?*?$8r?$!?QjT?j?cv/0?/0?+?,?0?8?R?!?#$?S?!%&?d?()*+,-?T?./01,-?2?3?
3、4?5?6?#78?9:;?G?U?2?8?ABC?D?E?F?GH?I+?8?JK?V?I+L=2?2?BMMNOF?2?PQRS?T?U?#78?9?4#72?C?V?2?U7?TWBXY?Z#78?9?4#72?C?V#72?L?4#72?C?_?RaeWb?ouvwx?%?#?#?yz?ZcdH?efV?gh?*i?jRkl:?&m?:no?ph?qr?5rs?t?u?vw?xw!y?%?gz?|z7?()?z7g7?fb?7?f?7?LW?.gz78?p?h?L?X?g?!?#$?%&()?*+,-./01?2345?&?6?5789?:;?;?OBFQ?PBFQ?,_?a?bcd%
4、ef./?./1%?gh?ef./01?()?OPij./1?;=?kl1%1?2?mEn?opq?r?U?A?s?kl1tuvw?kl1?DKx?!?#?yz1?|3pq?rC?1?mE?_?&?,-?w?Z?_H?01?v?U?U?%4?$%?3?KL?%?|?ABC?6?q?_U2?%?“?%?M“?fifl?b?“?fl?Ad%&?&?”2?|?ABC?4?|?H?6?FU?DKx?&?()?&?U?3x?*?d%?B?c&?%fl?s?b?&?4z?”?M?F?&?4z?y?4z4?HG?a?4z?*?fl?4z?4z?4z?fl?%4z?”3?d?DK?A?4z?_U4z?fl?A
5、?A?c?M?fi?!?#?#?+?h?$%?&?!?&(?)?%?!?#$?%&()*?+,?#,-.?/#?/0?1?-?*?2?34567?89?:&?;?!#$%&()?#?A%B?9?CD?E?F?*?&?G?-E?H?9?CD?&IJKLMN+OPQ?0?1?#,RS?TUV?W*?MN0?1?#%X,?-?D?Y?-.?#?O M N 0?1 Z?-?.?0_:A?9?CDa?.D?-Sbc?d?&/?0&0?G?efgD?h?i-?/jIJ?5kl 0?&?Vmn?.D?19?CD?&?&?o?pq1 rs#tuvIJwSAxyz?&Y?0?*+?,?|?Ih32?3?i?A?
6、&?!:-&0?z?&4D?a?&?A?5?Sbc?a?(%?(67?O?d8?5?9?&4D?K?:?;?-.+?,?&?A?-?-I?,-?a#?!:-&?eE?0?/jKL?&?6?I?,?h?TU3=?5?z?h?TU?7?CD?)?;G*?2?=?=?G?TU?7CD?:?/?7?Z?*D?/012?A?&a“0?E3l?/j?fi&?&?l?fl?8?&?rm“0?&1?q&?hj?BC?qlDqLE?F?G?H?Ib?-?3-.J?fl&;4D?&?“0?K?0v1?&0?0*?”?&5?0?L?M?&?4?NLOl?K?0?P?5?Q?&?&?x?.?34&H?R?G?&!?&
7、?3ZS?)?Z?2?)?W?&?T?4?$%?Y?)U?V:W?mnz!?G?J?5?6789:;?,T?&$%(?I9?U#a“0?E5l?*6OT?$%?“0?K?0?,?NLOl?,?#?&I?x?5?,?Iz9?5?,?,?7OT?$%?“0?K?0?,?NLOl?,?#?&I?x?5?,?z9?5?,?,?8OT?9$%?“0?K?0?,?NLOl?,?#?&I?x?5?,?z9?5?,?,?)U1V:W?3jX?%B?LV:W/?W?G?#?9?&?YZ?Y?-?*)*?+,?c?_?,?5?6789:;?$ABCDEF?(?&?,?&?,?78GH&?ABCDIJT?$%?*?
8、:?:?K?&?1?a?%?BC?aMa?W9?5gb?&?&?XW?cH?1KL?&de?9?f?L?&?c?g?&?I-c#hS?fl?;?&?R-?!?&?i?&!5j?!1 kl!#?m!?no?!1 R?!#?p!?qY?1?#?k?flrs!?ntuKH0#K-0?vw?l?If?xy?#LM?fl?z?|?;?pq“?;?*?A B?,?=?C?D B E?F?B G?H BI J=?&=H A?B H J K?)J K K J H BL M?N J G?KH E?J E E?=?B IG H B K I=F G I J H B?;?O P DQ A R R H=I?*?&?#?
9、&?;?A?*?&?;?*?!#$?%&!?;?*?(?)*+?,-.?/0?12?3?S?45*6?789:;?*?:?AB?A?C?S?45*DA9:;?*?C_?12Oabc?;?=de?XAAf?*?gh?pq?ijk?UVl?U?W?*W?XA?mno?bcp?q$?S?W?*W?XA9:;?*?NOPQ?H E G J?B G?A B?P?G N B H?H?F N A B?-N J B A?$A B?%N H FV N H B?G?Q F L L?=-H?T I?$A B?%N H F?-N J B A?*P N?)?A K F=?)?B I A B?A B A?K J K)?I
10、 N H?H E I J=?&R A M?)?B I B H J K?W?=?K G=J L?P N?)A J B)?A K F=J B?)?I N H?KH E I J=?&R A M?)?B IB H J K?W?=?K?J?J B?)?I N H?=F)?I N H?A B?I=A J?J B?)?I N H?X H=I N?I?K I J B?)?I N H?K?H F L?K?B K H=I?K I J B?K I A L?K R H II?K I J B?A B?K G A BI?K I J B?W?=?)H=?A R?M?A B?K H F B?R H W?=?M?W A KR=
11、H R H K?A KL A K J KH EB H J K?M A?F A I J H B?W N J G N?I?I N?)A Y J)F)M A?F?A B?)J B J)A?M A?F?I H=?F G?=H=?*I J=?&R A M?)?B IB H J K?K H F B?R=?K K F=?M?K H F B?R H W?=?M?)?A K F=J B?)?I N H?RSTUVWXYZ_a?1bc?P Z?LMdef?U?rst?uAvw?xyz|?U?q?!?I?#$%?&?()?*+?,-.?/0123?456789:;?A?BC?*+DEFGH9?IJ?.?KLMNO?01PQR?S?T?.?U?VW?X%YZ?/3J.?_?3aY?bc?deBC?MN?fg?VbhiJ?=?3?jk=.?lm?.?U?n?01KLMNo?,pT?G?q?W.?rs?Wt,u?V?67vw?xFG?f?y?!z?