5Greg Watts,Linda Chinn,Nigel Godfrey.The effects of vegetation on the perception of traffic noise. Applied Acoustics . 1999
6Chih-Fang Fang,Der-Lin Ling.Guidance for noise reduction provided by tree belts. Landscape and Urban Planning . 2005
7Huddart L.The use of vegetation for traffic noise screening. Transport Research Laboratory Report. RR238. Transport Research Laboratouy, Crowthorne, Berkshire, England . 1990
8Cook,D.I,Haverbeke,D.F.V.Trees And Shrubs For Noise Abatement. University Of Nebraska College Of Agricultural Experimental Station Bulletin . 1974
8马斌荣.Spss for windows在医学科研究统计的应用[M].北京,科学出版社,1992.6-35.
9[1]Defrance,J.,et al.Integration of the efficiency of noise barrier caps in a 3D ray tracing method.Case of a T-shaped diffracting device[J].Applied Acoustics.2003,64:765-780.
10[2]Alfredson,RJ.,et al.Special shapes and treatment for noise barrier[C]//Proceedings of Inter-Noise 95.Newport Beach:The International Institute of Noise Control Engineering (I-INCE),1995:381-384.
4Farnham J, Beimborn E. Noise Barrier DesignGuidelines[D]. University of Wisconsin-Milwaukee,1990.
5U.S. Department of Transportation. FHWAHighway Noise Barrier Denign Handbooi:[M]. FederalHighway Administration(DOT-VNTSC-FHWA-00-01), 2000.
6Blum, Randolph. F. A Guide to Visual Quality inNoise Barrier Design, Implementation Package 11 -12, U. S[S]. Department of Transportation, FederalHighway Administration, December, 1976.
7Volpe J A. Acoustics and Your Environment,The Basics of Sound and Highway Traffic Noise[D].Cambridge, National Transportation Systems Center,Acoustics Facility, 1999.
8Kotzen B, English C. Environmental Noise Barriers:A Guide To Their Acoustic and Visual Design [M].Taylor & Francis Ltd; 2'ld Revised edition, 2009.
9Methods for Determination of Insertion Lossof Outdoor Noise Barriers. American NationalStandard[S]. New York: American National StandardsInstitute, 1998.
