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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 吳政忠(Wu, Tsung-Tsong) | |
| dc.contributor.author | Kai-Ti Chang | en |
| dc.contributor.author | 張凱迪 | zh_TW |
| dc.date.accessioned | 2021-06-13T03:20:33Z | - |
| dc.date.available | 2007-07-31 | |
| dc.date.copyright | 2006-07-31 | |
| dc.date.issued | 2006 | |
| dc.date.submitted | 2006-07-29 | |
| dc.identifier.citation | 1. Abbott, B. P. (1989), “A Coupling-of-Modes Model for SAW Transducers With Arbitrary Reflectivity Weighting,” Ph. D. dissertation, the Department of Electrical Engineering at the University of Central Florida Orlando, Florida.
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(2003), “2-D localization and identification based on SAW ID-tags at 2.5GHz,” IEEE Transactions on Microwave Theory and Techniques, pp. 1584~1590. 8. Campbell, C. K. (1989), “Surface Acoustic Wave Devices and Their Signal Processing Applications,” San Diego, Academic Press. 9. Campbell, C. K. (1998), “Obtaining the Fundamental and Harmonic Radiation Conductances of a Reflective SAW Interdigital Transducer,” IEEE Ultrasonics Symposium, pp. 169~173. 10. Campbell, C. K. and Campbell C. K. Consulting (2002), “An Empirical method for Obtaining the Harmonic Response Coefficients of a SAW Interdigital Transducer,” IEEE Ultrasonics Symposium, pp. 283~287. 11. Chen, Y. Y. (2002), “A Theoretical and Experimental Study of Layered SAW Devices and Its Applications,” Ph. D. dissertation, Institute of Applied Mechanics, National Taiwan University, Taipei, Taiwan. 12. Cole, P. H. and Vaughan R. (1972), “Electrical surveillance system,” United State Patent 3706094 13. Cross, P. S. and Schmidt, R. V. (1977), “Coupled Surface Acoustic Wave Resonators,” Bell Syst. Tech. Journal, vol. 56, pp. 1447~1482. 14. Datta, S. (1986), “Surface Acoustic Wave Devices,” New Jersey, Prentice-Hall. 15. Engan, H. (1969), “Excitation of elastic surface waves by spatial harmonics of interdigital transducers,” IEEE Trans. On Electron Devices, Vol. ED-16, pp. 1014~1017. 16. Engan, H. (1975), “Surface acoustic wave multielectrode transducers” IEEE Trans. On Sonic and Ultrasonics, pp. 395~401. 17. Farnell, G. W., Germak, I. A., Silvester, P. and Wong, S. K. (1970), “Capacitance and Filed Distribution for Interdigital Surface-Wave Transducers,” IEEE Transactions on Sonics and Ultrasonics, vol. SU-17, NO. 3, July, pp. 188~195. 18. Hachigo, A. and Malocha, D. C. (1998), “SAW Device Modeling Including Velocity Dispersion Based on ZnO/Diamond/Si Layered Structures,” IEEE Transactions on Ultrasonics, Ferroelectics, and Freq. Contr., vol. 45, May, pp. 660~665. 19. Hartmann, C. S., Bell, D. T. and Rosenfeld, R. C. (1973), “Impulse Model Design of Acoustic Surface Wave Filters,” IEEE Trans. MTT-21, pp. 162~175. 20. Hartmann, C. S. (1985), “Future high volume applications of SAW devices,” IEEE Ultrasonics Symposium, pp. 64~73. 21. Hartmann, C.S. (1994), “Approximate Closed-Form Expressions For Transducer Capacitance, Transducer Coupling, Piezoelectric Velocity Shift, and Piezoelectric Reflectivity,” Proc. IEEE Ultra. Symposium, pp. 305~307. 22. Hartmann, C. S. (2002), “A global SAW ID tag with large data capacity,” IEEE Ultrasonics Symposium, pp. 65~69. 23. Hashimoto, K. Y. (2000), “Surface Acoustic Wave Device in Telecommunication–Modelling and Simulation,” Tokyo, Springer. 24. Kovacs, G., Anhorn, M., Engan, H. E., Visintini, G. and Ruppel, C. C. W. (1990), “Improved Material Constant for LiNbO3 and LiTaO3,” Proc. IEEE Ultra. Symposium, pp. 435~438. 25. Lin, G. M. (2003), “Analysis of RF wide band layered SAW filter using slanted finger interdigital transducer,” Master thesis, Institute of Applied Mechanics, National Taiwan University, Taipei, Taiwan. 26. Morgan, D. P. (1985), “Surface-Wave Devices for Signal Processing,” New York, Elsevier. 27. Oliner, A. A. (1978), “Acoustic Surface Waves,” New York, Springer. 28. Plessky, V. P., Kondratiev, S. N., Stierlin, R., and Nyffeler, F. (1995), “SAW tags: New ideas,” in Proc. IEEE Ultrason. Symp., vol. 1, pp. 117–120. 29. Reindl, L., Ruile, W. (1993), “Programmable reflectors for SAW-ID-Tags,” IEEE Ultrasonics Symposium, pp. 125~130. 30. Reindl, L., Scholl, G., Ostertag, T., Ruppel, C. C. W., Bulst, W. E. and Seifert, F. (1996), “SAW devices as wireless passive sensors” Proc. IEEE Ultra. Symposium, pp. 363~367. 31. Reindl, L., (2001) “Theory of wireless SAW sensor systems,” International Symposium on Theoretical Electrical engineering, pp. 19~23. 32. Shiu, C. M. (2005), “UHF Band SAW Based RFID Sensor System,” Master thesis, Institute of Applied Mechanics, National Taiwan University, Taipei, Taiwan. 33. Stelzer, A., Markus, M., Scheiblhofer, S. and Schuster, S. (2004), “Identification of SAW ID-tags using an FSCW interrogation unit and model-based evaluation,” IEEE transactions on ultrasonics, ferroelectrics, and frequency control, vol. 51, no. 11, pp. 1412~1420. 34. Tancrell, R. H. and Holland, M. G. (1971), “Acoustic Surface Wave Filters,” Proc. IEEE 59, pp. 393~409. 35. Thorvaldsson, T. and Nyffeler, F.M. (1986), “Rigorous Derivation of the Mason Equivalent Circuit Parameters from Coupled Mode Theory,” Proc. IEEE Ultra. Symposium, pp. 91~96 36. Thorvaldsson, T. (1989), “Analysis of the Natural Single Phase Unidirectional SAW Transducer,” Proc. IEEE Ultra. Symposium, pp. 91~96. 37. Thorvaldsson, T. and Abbott, B. P. (1990), “Low Loss SAW Filters Utilizing the Natural Phase Unidirectional Transducer (NSPUDT),” Proc. IEEE Ultra. Symposium, pp. 43~48. 38. White, R. M. and Voltmer, F. W. (1965), “Direct Piezoelectric Coupling to Surface Elastic Waves,” Applied Phys. Letter, vol. 7, pp. 314~316. 39. Wolfe, A. (1985), “SAW filter replace bar codes in ID systems,” Electronics Week May, pp. 29. 40. Yamanouchi, K., Shimizu, G. and Morishitat, K. (1993), “2.5 GHz-range SAW propagation and reflection characteristics and application to passive electronic tag and matched filter”, IEEE Ultrasonics Symposium, pp. 1267~1270. | |
| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/31799 | - |
| dc.description.abstract | Devices based on surface acoustic wave (SAW) are applied to wireless communications, such as passive SAW based radio frequency identification tags (SAW RFID tags). They can be operated in some harsh environments. Due to the wireless capability, they are also suitable for remote monitoring and sensing. For SAW based RFID tags, the operating frequency and number of possible codes are both critical. In this study, the interdigital transducers (IDT) are operated in their higher harmonic modes to achieve to 915MHz. Moreover, a new idea of decimal coding scheme will be introduced to increase the number of possible codes.
First, the Abbott’s coupling-of-modes model is used to simulated and analyze the frequency responses of SAW based RFID tags. Furthermore, inverse fast Fourier transform is applied to transform the responses into time domain. The information of tags is obtained and decoded. Using the simulation results, the three-finger IDT and double-electrode IDT are analyzed along with their harmonic responses, and the new idea of decimal coding scheme is also introduced. Finally, the SAW RFID tags with central frequency of 915MHz are fabricated on the 128°Y-X LiNbO3 using Nano/Micro-Electro Mechanical Systems (N/MEMS) techniques. The experimental result and simulation results are compared, and the new idea of decimal coding proof to be achieved. In conclusion, the study utilized the COM theory to analyze SAW based RFID tags. The tag with improvement decimal coding scheme can include more data bits, and has smaller die area (i.e. lower cost) | en |
| dc.description.provenance | Made available in DSpace on 2021-06-13T03:20:33Z (GMT). No. of bitstreams: 1 ntu-95-R93543040-1.pdf: 1676741 bytes, checksum: 6d95588497a80b5eeefabf6b868eb58e (MD5) Previous issue date: 2006 | en |
| dc.description.tableofcontents | Acknowledgements I
Abstract II Lists of Notations III Table of Contents VII List of Figures IX List of Tables XI Chapter 1 Introduction 1 1-1 Research Motivation 1 1-2 Literature Review 2 1-3 Contents of the Chapters 3 Chapter 2 Analysis of SAW RFID Tags 6 2-1 Coupling-of- Modes Model 6 2-1.1 The Uncoupled Modes and the First-Order Wave Equations 7 2-1.2 Propagation Loss as a Perturbation to the Wave Equations 9 2-1.3 Electrode Reflections 10 2-1.4 Electrical Transduction 14 2-1.5 [P] Matrix 17 2-2 The Coupling-of-modes Parameters 21 2-2.1 Average Surface Wave Velocity Shift 22 2-2.2 Reflection Coefficient 23 2-2.3 Transduction Coefficient 25 2-2.4 Electrode Resistance and Electrode Capacitance 26 2-2.5 Attenuation Coefficient 27 2-3 The Simulation of SAW RFID Tags 28 2-3.1 Harmonic Excitation of IDTs 29 2-3.2 IDT Type Reflector 31 2-3.3 Programmable Reflector 33 2-3.4 Frequency Responses of SAW RFID 35 Chapter 3 Design and Fabrication of SAW RFID Tags 51 3-1 The Design of SAW RFID Tags 51 3-1.1 Decimal Coding Scheme of SAW RFID Tags 51 3-1.2 Design and Simulation of SAW RFID Tags 53 3-2 The Fabrication of SAW RFID Tags 55 3-3 Setup of SAW RFID System 56 3-3.1 Matching Network of SAW RFID Tag and Antenna 57 3-3.2 Setup and Measurement of Interrogation Unit 58 Chapter 4 Measurement Results 75 4-1 Measurement of SAW RFID Tags 75 4-2 Comparison between Simulation and Measurement Result 77 4-3 Comparison between Three-finger and Double-electrode IDT 79 Chapter 5 Conclusions and Future Work 89 5-1 Conclusions 89 5-2 Future work 90 References 92 | |
| dc.language.iso | en | |
| dc.subject | 微機電製程 | zh_TW |
| dc.subject | 表面聲波式射頻識別標籤 | zh_TW |
| dc.subject | 交指叉換能器 | zh_TW |
| dc.subject | 高頻模態 | zh_TW |
| dc.subject | 模態耦合模型 | zh_TW |
| dc.subject | 十進位編碼 | zh_TW |
| dc.subject | Interdigital transducer | en |
| dc.subject | N/MEMS | en |
| dc.subject | Decimal coding scheme | en |
| dc.subject | COM model | en |
| dc.subject | Higher harmonic mode | en |
| dc.subject | SAW based RFID tags | en |
| dc.title | 表面聲波式射頻識別標籤在無線感測之應用 | zh_TW |
| dc.title | On the Wireless Sensing Using a SAW RFID Tag | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 94-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 劉佩玲(Liu, Pei-Ling),郭茂坤(Kuo, Mao-Kuen) | |
| dc.subject.keyword | 表面聲波式射頻識別標籤,交指叉換能器,高頻模態,模態耦合模型,十進位編碼,微機電製程, | zh_TW |
| dc.subject.keyword | SAW based RFID tags,Interdigital transducer,Higher harmonic mode,COM model,Decimal coding scheme,N/MEMS, | en |
| dc.relation.page | 95 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2006-07-30 | |
| dc.contributor.author-college | 工學院 | zh_TW |
| dc.contributor.author-dept | 應用力學研究所 | zh_TW |
| 顯示於系所單位： | 應用力學研究所 | |
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