博碩士論文 942202013 詳細資訊




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姓名 洪偉哲(Wei-che Hung)  查詢紙本館藏   畢業系所 物理學系
論文名稱 康卜吞成像光譜儀數據讀出系統
(The Data Readout System of the Nuclear Compton Telescope (NCT))
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摘要(中) 康卜吞散射光子探測器是一個三維-鍺探測器的高空氣球實驗探測器。它被設計使用在天文,觀測光子能量介於0.2百萬電子伏特到10百萬電子伏特的發射線。康普頓散射光子探測器的數據讀出系統會將訊號放大,數位化並且根據不同的觸發訊號去讀出一系列的數據資料。 它也負責對飛行電腦溝通,接受飛行電腦傳達的指令然後做出動作,並且將讀出的數位數據傳入飛行電腦。這篇論文概括讀出系統的設計還有重要的科學與試成果。
摘要(英) The Nuclear Compton Telescope (NCT) is a balloon-borne telescope based on the 3D-positioning germanium detectors. It is designed to study astrophysical sources of gamma-ray emission in the energy range of 0.2 MeV to 10 MeV. The data readout system of NCT is designed to amplify, digitize and collect signals from a germanium detector according to a certain trigger scheme. It also has an interface to the NCT flight computer to receive commands and transfer data. This paper contains the design and the scientific test result of the readout system.
關鍵字(中) ★ 康卜吞成像光譜儀 關鍵字(英) ★ NCT
★ CardCage
論文目次 中文摘要 i
Abstract ii
誌謝 iii
Contents iv
Figures v
Tables vi
Chapter 1 Introduction 1
Chapter 2 Overview of NCT 4
2-1 Twelve arrays Germanium detectors 4
2-2 BGO Veto system 6
2-3 The Flight Computer 7
2-4 The CardCages 8
2-5 The Power System-Solar panels and batteries 9
2-6 The NCT Gondola 9
Chapter 3 The CardCage and production test 11
3-1 Overview of the Readout System and Related system 11
3-2 The Compton scattering event in NCT 14
3-3 Each modules of CardCage 15
3-3-1 Low-volt and High-volt modules: LVPS, HVPS 15
3-3-2 The analog and digital parts: Analog, DSP 16
3-4 Data Flow chart and trigger veto decision 18
3-5 CardCage Timing Measurement Verification 19
3-5-1 Time difference test with fixed signal amplitude 19
3-5-2 The X, Y-signal amplitude dependence test 19
3-6 CardCage Energy Measurement Verification 20
3-7 CardCage Event Rate Test 21
3-8 CardCage Lifetime Measurement and Trigger Rate Study 22
3-9 Gain Adjustment of Analog board 23
3-10 CardCage Thermal Cycling Test 23
3-11 CardCage Integration with NCT 24
Chapter 4 The Flight Result in spring 2010 25
4-1 NCT analysis software overview 25
4-2 Analysis result for 2009 flight 26
Chapter 5 Summary 28
5-1 2009 fligh analysis summary 29
5-2 Further use for CardCage 30
參考文獻 34
附錄一 36
附錄二 37
參考文獻 [1] Boggs, S.E., Coburn, W., Smith, D.M., et al. Overview of the Nuclear Compton Telescope. New Astr. Rev. 48, 251–255, 2004.
[2] E.C. Bellm et, al.”Overview of the Nuclear Compton Telescope”, IEEE IEEE Trans. Sci., Vol. 56, No. 3 (2009)
[3] M. E. Bandstra et, al.“The upcoming long duration balloon flight of the Nuclear Compton Telescope,” in IEEE Nucl. Sci. Symp. Conf. Rec.,NSS’07, 2007, vol. 4, pp. 2532–2537.
[5] H.-K. Chang, S. Boggs, and Y.-H. Chang, “The Nuclear Compton Telescope (NCT): Scientific goals and expected sensitivity,” Adv. Space Res., vol. 40, pp. 1281–1287, 2007.
[6] M. E. Bandstra, J. D. Bowen, A. Zoglauer, S. E. Boggs, W. Coburn, C. B. Wunderer, M. Amman, and P. N. Luke, “Position calibrations and preliminary angular resolution of the prototype Nuclear Compton Telescope,” in IEEE Nucl. Sci. Symp. Conf. Rec., NSS’06, 2006, vol. 2, pp. 770–777.
[7] http://www.calex.com/
[8] Liang, J.-S., “Nuclear Compton Telescope: data analysis and polarization determination,” PhD thesis, National Tsing Hua University, 2010.
[9] V. Schönfelder, K. Bennett, J. J. Blom, H. Bloemen, et, al. The _rst COMPTEL source catalogue. AApS, 143:145_179, April 2000.
[10] Milne et al., 1999. Unified One-Dimensional Simulations of Gamma-Ray Line Emission from Type Ia Supernovae.
[11]. http://crab0.astr.nthu.edu.tw/HEAL/Links/2008_Fall/20081031_Jumpei.Report.pdf
[12] G. Weidenspointne et al., The COMPTEL instrumental line background, 2000
[13] http://en.wikipedia.org/wiki/Compton_scattering
[14]M. Amman and P. N. Luke, “Three-dimensional position sensing and field shaping in orthogonal-strip germanium gamma-ray detectors,” Nucl. Instruments Methods Phys. Res. A, vol.452, pp. 155–166, Sep.2000.
[15] W. Coburn, S. Amrose, S. E. Boggs, R. P. Lin, M. S. Amman, M. T. Burks, E. L. Hull, P. N. Luke, and N. W. Madden, “3D positioning germanium detectors for gamma-ray astronomy,” in X-Ray and Gamma-Ray Detectors and Applications IV, R. B. James, L. A. Franks, A. Burger, E. W. Westbrook, and R. D. Durst, Eds., 2003, vol. 4784, pp. 54–63, ser. Proceedings of the SPIE.
[16] P. N. Luke, C. P. Cork, C. S. Madden, N. W. Rossington, and M. F. Wesela, “Amorphous Ge bipolar blocking contacts on Ge detectors,” IEEE Trans. Nucl. Sci., vol. 39, no. 4, pp. 590–594, Aug. 1992.
[17]M. Amman, P. N. Luke, and S. E. Boggs, “Amorphous-semiconductor- contact germanium-based detectors for gamma-ray imaging and spec-troscopy,” Nucl. Instruments Methods Phys. Res. A, vol. 579, pp. 886–890, Sep. 2007.
[18] http://ocw.mit.edu/courses/nuclear-engineering/22-01-introduction-to-ionizing-radiation-fall-2006/lecture-notes/energy_dep_photo.pdf
[19] Chiu, J.-L. “The Nuclear Compton Telescope (NCT) The Mission and the Crab Nebula Detection”PhD thesis, National Tsing Hua University, 2010.
[20] NSPO, NCT, midterm report, Readout Electronics.
指導教授 張元翰(Yuan-Hann Chang) 審核日期 2012-1-19
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