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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 陳琪芳(Chi-Fang Chen) | |
dc.contributor.author | Cheng-Che Lee | en |
dc.contributor.author | 李政哲 | zh_TW |
dc.date.accessioned | 2021-06-08T05:15:24Z | - |
dc.date.copyright | 2006-07-03 | |
dc.date.issued | 2006 | |
dc.date.submitted | 2006-06-09 | |
dc.identifier.citation | [1] Etter, P.C. (1996) Underwater Acoustic Modeling Principles, techniques and applications. 2nd edition, E & FN Spon, London.
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[16]Stoll, R. D., “Theoretical aspects of sound transmission in sediments,” J. Acoust. Soc. Amer., 68 (5), pp. 1341-1350, 1980. [17]Stoll, R.D.,”Marine Sediment Acoustics,” J. Acoust. Soc. Amer., 77(5), pp. 1789-1799, 1985. [18]王崇武(1993)Range-dependent acoustic propagation in shallow -water, State University of New York at Stony Brook 博士論文。 [19]林穎聰,1998,運用聲場反算海底底質之研究,國立台灣大學造船及海洋工程研究所碩士論文。 [20]莊元明,2001,建立退火基演算法反算海底地音參數,國立台灣大學造船及海洋工程研究所碩士論文。 [21]黃偉克,1996,利用3.5仟赫聲納迴聲化訊號遙測海床表層沈積物特性可行性之探討,國立台灣大學理學院海洋研究所碩士論文。 [22]E. L. Hamilton, “Compressional Wave Attenuation in Marine Sediments”, Geophysics 37, 620-646 (1972). [23]陳儀清,台灣西南海域海床表層沈積構造與聲學特性圖集,國科會國防科技學術合作協調小組委託計畫研究成果,(1997)。 [24]Damuth, J. E., 1975, Echo character of the western equatorial Atalantic floor and its relationship to the dispersal and distribution of terrigenous sediments, Mar. Geol., v. 18, 17-45. [25]Klauder, J. R., Price, A. C., Darlington, S., and Albersheim, W. J. (1960) The Theory and design of chirp radars, The Bell Sys. Tech. J., 39, 745-808. [26]邱瑞焜,海洋儀器開發與應用專輯,海下技術季刊,第十五卷[第二期];pp46-50,2005。 [27]Wilhjelm, J. E. (1993) Bandwidth expressions of Gaussian weighted chirp, Electronics Letters, Vol. 29, No. 25, 2161-2162. [28]Biot, M. A., 1941, General theory of three dimensional consolidations: J. Appl.Phys. 12, 155-164. [29]Biot, M. A. (1956b). 'Theory of propagation of elastic waves in a fluid saturated porous solid, parts 1 and 2.' J. Acoust. Soc. Am., 28, 168–191. [ISI] [30]Biot, M. A., and D. G. Willis, 1957, the elastic coefficients of the theory of consolidation: J. App.Mech. 24, 594-601. [31]Biot, M. A., 1962, Mechanics of deformation and acoustic propagation in porous media: J. Appl.Phys. 33, 1482-1498. [32]Stoll, R., “Acoustic waves in saturated sediments,” in Physics of Sound in Marine Sediments. New York, Plenum, 1974. [33]Stoll, R., “Acoustic waves in ocean sediments,” Geophysics, 42(4), pp.715-25, 1977. [34]Stoll, R.D.,”Marine Sediment Acoustics,” J. Acoust. Soc. Amer., 77(5), pp. 1789-1799, 1985. [35]Stoll, R.D., 1989. Sediment Acoustics: New York (Springer- Verlag), Lecture Notes in Earth Sciences, 26. [36] Schock, S. G., “A Method for Estimating the Physical and Acoustic Properties of the Seabed Using Chirp Sonar Data,” IEEE J. of Oceanic Engineering, submitted for publication in the Special Issue on the Asian Marginal Seas, 2003. [37]Bachman, R.T.,1985, Acoustic and Physical Property Relationships in Marine Sediment; J. Acoust. Soc. Am., 78:616-621. [38]Rajan, S.D., and G.V. Frisk, 1992, Seasonal Variations of the Sediment Compressional Wave-Speed Profile in the Gulf of Mexico; J. Acoust. Soc. Am., 91:127-135. [39]Hamilton, E.L. and R.T. Bachman, 1982, Sound Velocity and Related Properties of Marine Sediments; J. Acoust. Soc. Am., 72:1891- 1904. [40]Bachman, R.T., 1989, Estimating Velocity Ratio in Marine Sediment; J. Acoust. Soc. Am., 86:2029-2032. [41]Richardson, M.D., and K.B. Briggs, 1993, On the Use of Acoustic Impedance Values to Determine Sediment Properties; Proc. Inst. Acoustics, v. 15, pt. 2, p. 15-24. [42]Hamilton, E.L., 1985, Sound Velocity as a Function of Depth in Marine Sediments; J. Acoust. Soc. Am., 78:1348-1355. [43]Hamilton, E.L., 1976b, Shear-Wave Velocity versus Depth in Marine Sediments: A Review; Geophysics, 41:985-996. [44]Hamilton, E.L., 1979, Vp/Vs and Poisson's Ratios in Marine Sediments and Rocks; J. Acoust. Soc. Am., 66:1093-1101. [45]Hamilton, E.L., 1976a, Variation of Density and Porosity with Depth in Deep-Sea Sediments; J. Sediment. Petrology, 46:280-300. [46]Mitchell, S.K., and K.C. Focke, 1980, New Measurements of Compressional Wave Attenuation in Deep Ocean Sediments; J. Acoust. Soc. Am., 67:1582-1589. [47]E. L. Hamilton, “Sound attenuation as a fuction of depth in the sea floor”, J. Acoust. Soc. Am., Vol59, No3, 528-535(1976) [48]Shepard, F.P. [1961].”Deep-Sea Sands, Internat Geol. Cong, 21st, Norden, 1960, Repts., 23:26-42 [49]Krumbein, W.C. [1936].”Application of Logarithmic Moments to Size-Frequency Distributions of Sediment,”J.Sedi.Petrol.6:35-47 [50]U. S. Army Corps of Engineers,”COASTAL SEDIMENT PROPERTIES”, 1998. | |
dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/24077 | - |
dc.description.abstract | 台灣周邊海域由於水面聲速高,聲波折射強,水深淺於5000公尺以下的深度聲波都會在海底反射,因此在台灣周邊海域做聲學研究時,地音參數就變的格外重要。
過去之研究主要使用3.5kHz之窄頻脈波訊號以頻譜比對法反算底質參數(壓縮波之衰減係數),目前底質探測方面,海研一號及達觀艦都已進步到使用連續變頻聲納(Chirp Sonar)系統。惟國內尚未使用以上兩種系統資料使用頻譜比對法作反算,因此本文第一部份為建立一快速反算聲波衰減程式,應用於海研一號Chirp Sonar之資料分析。資料分析所取點位均為不同之底質類型,其結果分析與實測資料比對,誤差範圍均在15%以內。 另外,本文亦提供台灣周遭海洋環境之地音模型建立的方式,再導入聲波衰減係數以建立聲學地音參數之能量。最後一部分為提出地音參數資料庫之架構,利用第一部份頻譜比對法的方式將衰減係數K值求出,進而將其值導入地音模型之中,以獲得聲學所需之地音參數,支持地音參數資料庫的建立。 | zh_TW |
dc.description.abstract | The fast sound speed at sea surface in the waters surrounding Taiwan causes strong refraction of sound waves. If water depth is less than five thousand meters, the sound waves will be reflected at the seafloor. Therefore, geo-acoustic properties are important to the acoustic study in the water surrounding Taiwan.
This thesis composes of two major works. Part I is the inversion of pressure wave attenuation coefficient from chirp sonar data. Part II is to establish the geo-acoustic model for different sediment types, thus to provide for the Advanced Sonar Range Prediction System (ASORPS). In the past, has been used spectral ratio technique obtain geo-acoustic parameters from 3.5 kHz sonar data. Now the sediment exploring technique has already advanced using chirp sonar system on Ocean Researcher I and Ta Kuan’s TOPAS system. The data of chirp sonar collected in Ocean Researcher I has not been analyzed to retrieve the geo-acoustic parameters yet. Therefore, one part of this study presents the estimation of attenuation coefficient of the seafloor sediment obtained by analyzing the Ocean Researcher I chirp sonar data. The results are compared with the core data, and the error is within 15%. Another purpose of this research for the geo-acoustic model of Taiwan's surrounding sea was to establish information needed. Also, the concept and framework of a geo-acoustic database is proposed. | en |
dc.description.provenance | Made available in DSpace on 2021-06-08T05:15:24Z (GMT). No. of bitstreams: 1 ntu-95-R92525005-1.pdf: 13902043 bytes, checksum: ed07e29f578f2c7e29cc0c47e266be79 (MD5) Previous issue date: 2006 | en |
dc.description.tableofcontents | 致謝及感言................................................I
中文摘要.................................................II Abstract................................................III 目錄.....................................................IV 圖表目錄................................................VII 第一章 緒論...............................................1 1.1 背景介紹..............................................1 1.2 研究動機與目的........................................2 1.3 文獻回顧..............................................5 1.4 預期成果與貢獻........................................8 1.5 研究架構..............................................9 第二章 地音參數之底質衰減係數反算........................13 2.1 概述.................................................13 2.2 研究原理.............................................13 2.2.1 前言...........................................13 2.2.2 頻譜比對法原理.................................15 2.3 研究步驟與資料處理流程...............................19 2.3.1 研究步驟...........................................19 2.3.2 連續變頻聲納之資料收集與處理流程...................21 第三章 連續變頻聲納概述與資料結果分析....................26 3.1 連續變頻聲納介紹.....................................26 3.1.1 連續變頻聲納背景...............................26 3.1.2 連續變頻聲納原理...............................27 3.1.3 連續變頻聲納資料收集...........................29 3.1.4 連續變頻聲納應用...............................30 3.2 頻譜比對法反算之分析.................................31 3.3 反算結果與實際岩心資料之比對.........................44 第四章 地音模型建立和地音參數資料庫架構..................55 4.1 概述.................................................55 4.2 地音模型建立.........................................56 4.2.1 地音模型概述.......................................56 4.2.2地音模型類型介紹....................................57 4.2.3 地音模型參數建立.................................. 64 4.3 地音參數資料庫架構...................................82 4.3.1 地音參數資料獲得方式...............................82 4.3.2 地音參數分析形式...................................89 4.3.3 地音參數分類形式...................................95 4.3.4 地音參數資料庫雛形.................................99 第五章 討論.............................................101 5.1 研究方法之探討......................................101 5.2 資料收集處理與分析探討..............................102 5.3 地音模型參數建立之探討..............................103 5.4 地音模型應用........................................104 5.4.1 概述..............................................104 5.4.2 台灣西南海域地音模型應用實例分析..................106 5.4.3 ASORPS底質資料建立類型...........................110 5.4.4 底質相關地音參數剖面分析..........................118 第六章 後續研究之展望及結論.............................123 參考文獻................................................126 | |
dc.language.iso | zh-TW | |
dc.title | 海床地音參數之反算與資料庫建立 | zh_TW |
dc.title | Geo-acoustic Parameter Inversion using Sub-Bottom Profiler Data and Geo-Acoustic Database Establishment | en |
dc.type | Thesis | |
dc.date.schoolyear | 94-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 王崇武(Chong-Wu Wang),劉家瑄(Jia-Xuan Liu),羅建育(Jian-Yu Luo),宋家驥(Jia-Ji Song) | |
dc.subject.keyword | 頻譜比對法,連續變頻聲納,地音模型建立,地音參數資料庫, | zh_TW |
dc.subject.keyword | spectral ratio,chirp sonar,geo-acoustic model,geo-acoustic database, | en |
dc.relation.page | 130 | |
dc.rights.note | 未授權 | |
dc.date.accepted | 2006-06-12 | |
dc.contributor.author-college | 工學院 | zh_TW |
dc.contributor.author-dept | 工程科學及海洋工程學研究所 | zh_TW |
顯示於系所單位: | 工程科學及海洋工程學系 |
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