【浙江大学博士後出站报告POST-DOCTORALRESEARCHREPORTONVIBRATIONANDNOISECONTROL】.pdf
PREFACE ThisPost-doctoralResearchReport consists of collectedpapers andreports in the area ofvibration andnoise control during my post-doctoral course from1990 to1994.Some reportsin this volume havebeen presented as project worksin partnershipwith Chinese and Japanese industries and institutes:Engi
1.INTRODUCTION Thereislittledoubtthatnoiseandvibrationareamongthe main disadvantageousbi-products ofmodern technologicalprogress.Tosome people,noise isthe most disturbingfactor in their envi-ronment.More andmorepeople show an increasing awareness to noise andunlessconsiderableeffortinresearchandit
have not been solved by previous researches.These include passive isolators onhardenedstructureagainstnuclear attackanddynamio absorbers on cable suspensiontransporters.The above mentioned subjects can be classified into six topics, which are introduced briefy in the follows(for detail contents,