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Dissertations / Theses on the topic 'MICROSTRIP LIVE'

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Published: 11 September 2023

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1

Wimberley, Jack Timpson. "Behavior of Periodic Coupled Microstrip Resonators." Thesis, Boston College, 2011. http://hdl.handle.net/2345/1983.

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Thesis advisor: Krzysztof Kempa<br>The resonant modes of a sequence of periodically spaced microstrip resonators is studied. The system is analyzed as transmission line with periodic capacitive gaps, as a waveguide with apertures via normal mode expansion, and through a derivation of the static fields in the gap between two microstrip resonators via conformal mapping. FDTD simulations are also performed to numerically calculate the resonant modes of the sequence and also its absorption spectrum when it contains a lossy dielectric. It is found, as expected, that when the gap size is large, the
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2

Sze, Kin Yip. "Analysis of line-source-fed single-layer microstrip reflectarrays." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/NQ62669.pdf.

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3

Jin, Won Tae. "Circuit models for a millimeter-wave suspended-microstrip line discontinuity." Thesis, Monterey, California : Naval Postgraduate School, 1990. http://handle.dtic.mil/100.2/ADA240906.

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Thesis (M.S. in Systems Engineering (Electronic Warfare))--Naval Postgraduate School, September 1990.<br>Thesis Advisor(s): Atwater, Harry A. Second Reader: Janaswamy, Rama. "September 1990." Description based on title screen as viewed on December 29, 2009. DTIC Identifier(s): Suspended striplines, microstrip lines, equivalent circuits, program listings, theses. Author(s) subject terms: Suspended-microstrip line, step discontinuity, equivalent circuit model, step-change. Includes bibliographical references (p. 60). Also available in print.
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4

Rodríguez, Cepeda Juan Pablo. "Modelatge multimodal de transicions i asimetries en línies three-line-microstrip." Doctoral thesis, Universitat Ramon Llull, 2010. http://hdl.handle.net/10803/9142.

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Una línia de transmissió three-line-microstrip consisteix en tres pistes paral·leles practicades sobre la cara d'un dielèctric amb un pla de massa inferior. La propagació en aquesta línia es pot descriure en termes de tres modes fonamentals anomenats ee, oo i oe. Tot i que aquests modes són ortogonals interaccionen entre sí a qualsevol transició, discontinuïtat o asimetria. En el pla d'una transició o asimetria es genera un intercanvi d'energia o conversió modal en el que prenen part tots els modes.<br/>En aquest treball s'analitza la conversió modal que s'origina en un conjunt de transicions
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Choi, Man Soo. "Computer-aided design models for millimeter-wave suspended-substrate microstrip line." Thesis, Monterey, California : Naval Postgraduate School, 1990. http://handle.dtic.mil/100.2/ADA227259.

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Thesis (M.S. in Electrical Engineering)--Naval Postgraduate School, March 1990.<br>Thesis Advisor(s): Atwater, H.A. Second Reader: Lee, H. M. "March 1990." Description based on signature page as viewed on August 26, 2009. DTIC Descriptor(s): Strip Transmission Lines, Computer Aided Design, Computerized Simulation, Parameters, Microwave Equipment, Radar, Full Wave Rectifiers, Transmittance, Resonant Frequency, Construction, Wave Propagation, Coefficients, Boundary Value Problems, Resonators, Circuits, Discontinuities, Ka Band, Models, Scattering, Equivalent Circuits, Frequency. Author(s) subjec
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6

Imran, Md Asheque. "Dual-Band Quarter Wavelength and Half Wavelength Microstrip Transmission Line Design." Thesis, University of North Texas, 2015. https://digital.library.unt.edu/ark:/67531/metadc801931/.

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The thesis represents the design for dual-band quarter wavelength and half wavelength microstrip transmission line. Chapter 2 proposed the design of a novel dual-band asymmetric pi-shaped short-circuited quarter wavelength microstrip transmission line working at frequencies 1GHz and 1.55 GHz for 50Ω transmission line and at frequencies 1GHz and 1.43GHz for 60Ω transmission line. Chapter 3 proposed the design of a novel dual-band quarter wavelength microstrip transmission line with asymmetrically allocated open stubs and short-circuited stubs working at frequencies 1GHz and 1.32GHz. Chapter 4 p
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7

Tugulea, Alexandru. "Two-dimensional equations for the analysis of microstrip line dispersion and step discontinuities." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0012/NQ53051.pdf.

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8

Uzelac, Lawrence Stevan. "A Multiple Coupled Microstrip Transmission Line Model for High-Speed VLSI Interconnect Simulation." PDXScholar, 1991. https://pdxscholar.library.pdx.edu/open_access_etds/4526.

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A model is presented which incorporates the advantages of a mixed mode simulation to characterize transmission line behavior in multiple coupled Transmission line systems. The model is intended for use by digital circuit designers who wish to be able to obtain accurate transmission line behavior for complex digital systems for which continuous time simulation tools such as SPICE would time prohibitive. The model uses a transverse electromagnetic wave approximation to obtain solutions to the basic transmission line equations. A modal analysis technique is used to solve for the attenuation and p
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9

Kemppinen, E. (Esa). "Determination of the permittivity of some dielectrics in the microwave and millimetre wave region." Doctoral thesis, University of Oulu, 1999. http://urn.fi/urn:isbn:9514251954.

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Abstract In the first part of this study, determination of the dielectric properties of the low loss microwave ceramic material, barium nonatitanate (Ba2Ti9O20), around 1 GHz is discussed. The structures under test were coaxial resonators, the cores of which were made of barium nonatitanate and the metallization was realised by thick film silver. The measured value of the real part of the relative dielectric constant was εr = 37 and that of the loss tangent was tan σ = 0.00014. The change of the resonance frequency of the coaxial resonators with temperature, in the range -20 … +80 C, was 4 ppm
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10

Chiang, Chun Pong. "Design of quasi-elliptic microstrip bandpass filter using terminated anti-parallel coupled-line structure." Thesis, University of Macau, 2007. http://umaclib3.umac.mo/record=b1937941.

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11

Pajares, Vega Francisco Javier. "Modelatge multimodal de transicions en entorn microstrip." Doctoral thesis, Universitat Ramon Llull, 2007. http://hdl.handle.net/10803/9134.

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Avui dia cada vegada s'ha de tenir més en compte com es realitza el traçat de pistes en les plaques de circuit imprès (PCB). Això és degut a que cada vegada més hi viatgen senyals amb components freqüencials més elevades. Per tant, paràmetres com la desadaptació per impedància característica, acoblaments, ressonàncies i comportaments complexes de les transicions que es troben els senyals en la seva propagació per les pistes, han de ser considerats per evitar problemes d'integritat del senyal i garantir la compatibilitat electromagnètica (EMC) amb el seu entorn. <br/>El present treball de tesi
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12

Jones, Mark Loyd. "Spatial sampling of microwave frequency electrical signals using photoconductive switches on a microstrip transmission line." Diss., Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/15619.

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13

Hong, Sio Ian. "The microstrip parallel coupled-line bandpass filter with simultaneous dual-band response and bandwidth enhancement." Thesis, University of Macau, 2009. http://umaclib3.umac.mo/record=b2119530.

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14

Shi, Ruirong. "Zeroth-Order Resonator (ZOR) Antenna Using Composite Right/Left-Handed (CRLH ) Microstrip Transmission Line (TL)." University of Cincinnati / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1301714086.

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15

KUMAWAT, HARISH CHANDRA. "DESIGN AND IMPLEMENTATION OF L BAND MICROSTRIP COUPLER WITH IMPROVED COUPLING AND HIGH DIRECTIVITY." Thesis, 2016. http://dspace.dtu.ac.in:8080/jspui/handle/repository/14914.

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The couplers are passive devices used in the field of radio technology. They couple a defined amount of the electromagnetic power in a transmission line to a port enabling the signal to be used in another circuit. Directional couplers are most frequently constructed from two coupled transmission lines set close enough together such that energy passing through one is coupled to the other. In this thesis work, a new symmetrical coupled-line circuit structure without any patterned ground plane is proposed to design tight-coupling high-directivity couplers for L Band, which would be found in numer
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16

YEH, YEN-CHUN, and 葉彥均. "Microstrip isolation line analysis." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/51029236475861292763.

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碩士<br>中華大學<br>電機工程學系<br>105<br>In this thesis, Wu provides a microstrip isolation structure for reducing crosstalk, comprising a microstrip line and two grounded resistors. The microstrip line comprises a subwavelength periodic corrugated structure in the edge. The two grounded resistors are coupled to two ends of the microstrip line, respectively. The plurality of indentation structures are periodically arranged in a subwavelength configuration that a period length of the plurality of indentation structures is far smaller than a wavelength of a transmission signal generated by a crosstalk aro
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17

Liu, Yung-Yuan, and 劉永元. "Microstrip Coupled-Line Bandpass Filters." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/15440286242427206378.

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碩士<br>國立臺灣大學<br>電信工程學研究所<br>94<br>In this thesis, the parallel coupled lines are used to design the microstrip bandpass filters. The main objectives of this study are to improve the selectivity and to suppress the spurious responses of bandpass filters. By suitably introducting the cross-coupling path in the filter circuit, multiple transmission zeros may be generated to improve the filter selectivity. The filters based on quarter-wavelength coupled line have spurious passbands at odd-multiples of passband center frequency. In this study, the coupled-line sections are made shorter than qua
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18

林憶芳. "Microstrip-line-fed compact printed." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/38950141604280962713.

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19

CHUO, CHIH-HENG, and 卓志恆. "Analysis of Voided-Ground-Plate Microstrip Line." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/84689933720690737460.

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碩士<br>中華大學<br>電機工程學系碩士班<br>89<br>In this thesis, the theory and technique for resolving the characteristic impedance and propagation constant of a voided-ground -plate microstrip line are discussed. The main task of this research considers a periodic 1-D pattern consisting of square voids etched on the ground plane of microstrip line. We proposed a simple, efficient and accurate method to rigorously analyze the periodic planar structures. This method uses the transmission (ABCD) matrix to cascade three simplified models such as microstrip line, coupled microstrip-slotline and the equivalent
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Wang, Bing-Hsiao, and 汪秉孝. "Broadband Slot Arrays Fed by Microstrip Line." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/15910676299809835340.

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碩士<br>國立臺灣大學<br>電信工程學研究所<br>96<br>The broadband designs of half-wavelength slot array and quarter-wavelength slot array are proposed in this thesis. The slot elements are offset-fed by microstrip line to obtain the wider impedance bandwidth. Furthermore, the impedance bandwidth of the array antennas which composed of the slot elements can be wider. It can be kept stable that the radiation gain and the radiation pattern of the proposed half-wavelength slot array in the impedance band. Besides, it is formed a quasi-open circuit of the slotline by the truncated ground plane. The size of the slot
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21

Liao, Jia-Hong, and 廖家宏. "Microstrip Bandstop Filter with Three-Line structure." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/47355126765606894834.

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碩士<br>長庚大學<br>電子工程研究所<br>94<br>In the thesis, parallel coupled microstrip line connecting quarter-wavelength open-circuit stub is employed to establish a narrow band bandstop filter. To enhance the bandwidth control, three-line structure is also proposed and the design formulas and equivalent circuits are derived. The relationship between the circuit bandwidth and the stub is discussed and the design procedure is described. Several bandstop filters with maximally flat and Chebyshev responses are designed and fabricated to validate the proposed method. Good agreement between simulated and measu
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Wang, Bing-Hsiao. "Broadband Slot Arrays Fed by Microstrip Line." 2008. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2207200814425800.

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23

Hui, William W. G. "Low-cost microstrip line-based ferrite phase shifter." Thesis, 2006. http://hdl.handle.net/10125/20557.

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Huang, Kuan-Lin, and 黃冠霖. "The Improvement of Coaxial to Microstrip Line Transition." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/62251869378201527777.

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碩士<br>長庚大學<br>電子工程研究所<br>94<br>This thesis mainly investigates and improves the transmission characteristics of coaxial-to-microstrip transitions. First, SMA connector-to-microstrip transitions are investigated. Though the operating frequency of SMA connector is only up to 18 GHz, by modifying the structure we will improve it from 18 GHz to 30 GHz. Second, the K connector-to-microstrip transitions are investigated. Because the operating frequency of K connector is up to 40 GHz, we will concentrate on the effects of many factors on the transmission characteristics such as the volume and the pos
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Liang, C. Y., and 梁繼元. "Microstrip line with periodic variation on its width." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/01934588660359225450.

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碩士<br>國立交通大學<br>電信工程系<br>88<br>In this thesis, the single mode approximation is employed to investigate the guiding characteristics of the microstrip line with periodic variation. The structure under consideration contains two types: one is the width-modulated microstrip structure and the other is that of substrate-modulated one. The numerical results are displayed in the form of the Brillouin diagram with the phase and attenuation constants both. On the other hand, the scattering of guided-wave by the finite size periodic microstrip has also been carried out in this thesis. In addition, th
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LIOU, SHI-RONG, and 劉璽鎔. "Study of Extremely Compact Microstrip Branch-Line Couplers." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/99wem3.

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博士<br>逢甲大學<br>電機與通訊工程博士學位學程<br>107<br>The conventional branch-line coupler is consisted of four quarter wavelength transmission lines. Coupler devices are used to divide power and generate phase difference in radio transceivers. Conventional 90° hybrid couplers are implemented in balanced amplifier or mixer circuit design. With advancement in technology, communication systems have rapidly evolved in recent years. Currently, all cost-reduction efforts, including size reduction and low-cost fabrication, are focused on the components of modern wireless communication systems. In the study, the nov
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BARTHWAL, AYUSHI. "DESIGN OF MICROSTRIP LINE COUPLER WITH IMPROVED DIRECTIVITY." Thesis, 2013. http://dspace.dtu.ac.in:8080/jspui/handle/repository/14211.

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In this project, a symmetrical microstrip line directional coupler has been designed using the synthesis technique. The introduced design procedure does not require the prior knowledge of the physical geometry of the coupler and requires only the information of the port impedances, coupling level, and operational frequency. The width of coupled microstrip lines, spacing between them and length of the coupler is then determined. The directivity of the conventional coupler designed is improved by bringing the changes in the physical geometry of the coupler by phase velocity compensation,
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BARTHWAL, AYUSHI. "DESIGN OF MICROSTRIP LINE COUPLER WITH IMPROVED DIRECTIVITY." Thesis, 2016. http://dspace.dtu.ac.in:8080/jspui/handle/repository/14459.

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Abstract In this project, a symmetrical microstrip line directional coupler has been designed using the synthesis technique. The introduced design procedure does not require the prior knowledge of the physical geometry of the coupler and requires only the information of the port impedances, coupling level, and operational frequency. The width of coupled microstrip lines, spacing between them and length of the coupler is then determined. The directivity of the conventional coupler designed is improved by bringing the changes in the physical geometry of the coupler by phase velocity comp
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YI, CHIH-FU, and 易智富. "Propagation Behavior Analysis of Subwavelength Periodic Groove Microstrip Line." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/67026460297803173272.

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碩士<br>中華大學<br>電機工程學系<br>105<br>A new type of differential microstrip lines on which the spoof surface plasmon polaritons (spoof SPPs) can propagate at low frequency band is developed. The differential microstrip line structure is designed by introducing open slit periodic subwavelength pattern on the edge of coupled traditional microstrip lines. Numerical and experimental analysis verify that such differential periodically structured microstrip lines support odd type of spoof surface plasmon polaritons(SPPs) at microwave frequencies. Compared with the traditional differential microstrip line,
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Tzung-Ming, Lai. "60GHz Circularly Polarized Patch Antenna Fed By Microstrip-Line." 2005. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-1407200517285200.

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31

Jhong, Long-Sing, and 鍾隆興. "Microstrip-Line filters design using defected ground structure (DGS)." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/49098595794078969803.

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Chang, Po-Ying, and 張博奕. "Research of Microstrip Coupled-Line Bandpass Filter and Diplexer." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/43258530698022243721.

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碩士<br>國立中央大學<br>電機工程研究所<br>95<br>In this study, several kinds of microstrip coupled-line structures are used to implement compact bandpass filters, which are based on quarter-wavelength resonators. Compared to the conventional parallel-coupled bandpass filters that are based on half-wavelength resonators, the circuit size of proposed filters are reduced by more than half. The passband of proposed coupled-line filter can be made switchable by a proper circuit layout along with the incorporation of diodes to change the resonance characteristics of quarter-wavelength resonators. An on-off isolati
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LIU, YU HUA, and 劉宇華. "GENERALIZED TRANSMISSION LINE MODEL FOR CYLINDRICAL RECTANGULAR MICROSTRIP ANTENNAS." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/06093315683568807817.

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碩士<br>國立中山大學<br>電機工程研究所<br>83<br>Due to their conformability the cylindrical-rectangular microstrip antennas have received much antention. In this paper we present a simple analysis method of using generalized transmission line model (GTLM) theory. The excitation of the patch antenna by a probe and microstripline is consider here, and this study is still not available in the open literature. To apply the GTLM theory, the microstrip antenna is model as a sections of transmission lines taken
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Mu, Wei-Yu, and 穆威宇. "Circularly Polarized Patch Array Antenna Fed by Microstrip Line." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/39390486878014567355.

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碩士<br>國立臺灣大學<br>電信工程學研究所<br>94<br>Because of its ability of reducing the multipath reflections and several kinds of interference, circular polarization (CP) has been widely used in many applications of microwave frequencies recently. Microstrip antennas are also widely known of their advantages like low profile, light weight, simple structure, and easy to integrate with other circuits. However the narrow bandwidth is an undesirable disadvantage that limits seriously the application of the microstrip antenna. In order to overcome this undesirable disadvantage of microstrip antenna, sequen
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Lai, Tzung-Ming, and 賴宗民. "60GHz Circularly Polarized Patch Antenna Fed By Microstrip-Line." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/79662606738977730585.

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碩士<br>國立臺灣大學<br>電信工程學研究所<br>93<br>In this thesis, a circularly polarized patch antenna fed by a microstrip-line is designed for the 60GHz (V-Band) communication system. In order to increase the bandwidth and polarization purity, a wide bandwidth microstrip-line fed circularly polarized patch array is proposed by combining the principle of sequential rotation technique and the 90° phase delay line for spatial rotation. Based on the cavity model, the Helmholtz’s equation is solved to obtain the modes exist in the circular cavity resonator. From the mode analysis results, the electric current
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HUANG, BAO-REN, and 黃保仁. "Elimination of Far-end Noise on Coupled Microstrip Line." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/34989154695730269158.

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碩士<br>國立臺灣科技大學<br>電子工程系<br>101<br>In this thesis, to eliminate the common mode noise induced by the right-angled differential transmission line, an inductance-compensated and capacitance-compensated right-angled differential transmission line is proposed. The frequency-domain differential-to-common mode conversion is greatly reduced, having a maximum reduction of 30 dB, and the time-domain common mode noise is reduced from 0.056 V to 0.019 V. Besides, as compared with the inductance-compensated right-angled differential transmission line or the capacitance-compensated right-angled differential
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Wu, Meng-huan, and 吳孟桓. "Microstrip Parallel-Coupled Line Bandpass Filter with Multispurious Suppression." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/68223203762633307525.

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碩士<br>國立交通大學<br>電信工程系所<br>94<br>The inherent zero of a microstrip coupled stage near twice the design frequency (2fo) is found tunable by varying its coupling length. This zero is used to suppress the unwanted response of paralle-coupled line filters at this frequency. The above idea is extended to design over-coupled middle stages of the filter for the spurious |S21| peaks at 3fo and 4fo, so that the upper stopband can be greatly enhanced to 5fo. The passband preserves a response as good as the traditional design. Measured results have a good agreement with simulation data and show that the i
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Hsu, Hsiao-Lun, and 徐孝倫. "characteristics of microstrip line with periodically corrugated ground plane." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/51027282946600310115.

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碩士<br>國立中興大學<br>電機工程學系<br>89<br>A mode-matching technique combined with a spectral domain reprsentation is used to study the transmission properties of microstrip lines with a periodically corrugated ground plane. The field components in the corrugated region are expanded by standing wave mode functions in the propagation direction and by a Fourier integral in the transversal direction. Integral equations are formed in terms of the surface currents on the microstrip. Dispersion relation is then obtained by applying method of moments to solve the integral equati
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Fu-Mao, Hsieh, and 謝馥懋. "The Design of Microstrip-Line-Fed Printed Slot Antenna." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/74375620362534848658.

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碩士<br>南台科技大學<br>電子工程系<br>93<br>The novel designs of printed slot antennas for broadband characteristic have been investigated in this thesis. About this thesis, the designs of printed slot antennas all adopt the method of microstrip-line-fed, they can be classified into two main types of microstrip-line-fed isosceles triangular slot antenna and rectangular slot antenna, and impedance bandwidth of these proposed designs can achieved 77% and 104%, respectively. To begin with, the microstripline feed isosceles triangular slot antenna for broadband operation, the proposed antenna with a small rect
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Chou, Wen-fu, and 周文富. "Novel Design for SMA Connector-to-Microstrip Line Transitions." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/9v974d.

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碩士<br>國立臺北科技大學<br>電腦與通訊研究所<br>97<br>The goal of this thesis is mainly to improve the transmission characteristics of the SMA connector-to-microstrip line transitions. The 1-dB passband of the traditional transitions is only up to 15 GHz. This thesis proposes innovative designs for the transitions in order to increase the 1-dB passband. A metallic ring is attached to the conventional SMA connectors. This ring functions as a buffer between the SMA connector and the microstrip line to reduce the insertion loss caused by the sudden change of the electromagnetic fields from one transmission line to
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Tsai, Ren-Fu, and 蔡仁輔. "Microstrip Bandpass Filters Using Dual Transmission Line Stepped Resonators." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/sa64c9.

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42

Welch, Joshua Adam. "Characterization and reduction of line-to-line crosstalk on printed circuit boards." Thesis, 2018. http://hdl.handle.net/2097/39286.

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Master of Science<br>Department of Electrical and Computer Engineering<br>William B. Kuhn<br>An important concern for high speed circuit designs is that of crosstalk and electromagnetic interference. In PCB board-level designs, crosstalk at microwave frequencies may result from imperfections in shielding of PCB interconnects or more generally transmission lines. Several studies have been done to characterize and improve the isolation between PCB transmission lines for both digital and RF circuits. For example, previous studies in the microwave region have examined the effect that line type, li
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Teng, Chi-Huan, and 鄧跡寰. "Design of the Microstrip Couplers with Arbitrary Power Ratio and Microstrip Bandpass Filter with the Stepped Coupled Line." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/65560166977257394692.

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碩士<br>國立中正大學<br>電機工程研究所<br>101<br>This paper presents two designs. First, a novel design equations and examples of the modified arbitrary power ratio microstrip tandem coupler are presented. In order to obtain a wide passband, couplers with triple poles at the return loss are proposed. Compared to the conventional couplers such as Lange couplers and parallel coupled line couplers, high impedance transmission lines and narrow coupling gaps are not required for the proposed microstrip coupler. In terms of measured results, there is a wide bandwidth of more than 70%. Moreover, good agreement betw
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SU, ZHE-WEI, and 蘇哲尉. "Analyses of dispersion characteristics of a shielded multilayer microstrip line." Thesis, 1988. http://ndltd.ncl.edu.tw/handle/24726451891423920217.

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Chen, Pow-Wen, and 陳柏彣. "The Novel Bandpass Filter Designs Using the Microstrip Line Structure." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/55574604069610218619.

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碩士<br>國立彰化師範大學<br>電信工程研究所<br>96<br>Abstract In this thesis, multi-band microwave bandpass filters (BPFs) designed using cross-coupled stepped-impedance resonators (SIRs) were studied. Three microwave filters,including two dual-band and one single-band BPFs were designed, implemented, andinvestigated. The first dual-band BPF circuit consists of λ/2 and λ/4 stepped impedance resonators (SIRs) for the WLAN applications. The filter covers both the operating frequencies of 2.45 GHz and 5.2-5.8 GHz. The doubly parallel-coupling mechanism is used in the filter design to reduce the insertion losses an
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Yau, Chyi-kwei, and 邱其奎. "Microstrip Line to Substrate Integrated Waveguide Transition and Antenna Applications." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/96225178319729886543.

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碩士<br>國立臺灣大學<br>電信工程學研究所<br>95<br>This thesis proposes two kinds of vertical transitions between microstrip line and substrate integrated waveguide (SIW), and a slot array antenna feeding by our transition structure. All these structures are fabricated on low-temperature co-fired ceramic (LTCC) substrate. This thesis also presents the equivalent circuits of both transition structures. The microstrip line is on the upper layer, and the SIW is on the bottom layer with the vertical metal walls realized by closely spaced vias. The first transition design is realized by a shorted via between the en
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Lin, Yen-Chung, and 林沿鍾. "Quality Factor Measurement of Dielectric Resonator Through Microstrip Line Coupling." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/86692727166109963668.

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碩士<br>國立臺灣大學<br>電信工程學研究所<br>96<br>Dielectric resonator (DR) is made of high dielectric constant materials and acts as a cavity enclosed by perfect magnetic conductor (PMC). Because of the high dielectric constant, its dimensions are much smaller than other types of resonators at the same frequency. Take the 8700 series DRs offered by Trans-Tech for example. Its εr 30, hence its electrical length is about 5.5 times smaller than that of an air-filled cavity. Besides, dielectric resonator has ultra high quality factor, resulting in a quite narrow operating bandwidth. Therefore, dielectric resona
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HUANG, CHIH YU, and 黃智裕. "STUDIES OF CYLINDRICAL MICROSTRIP ANTENNAS USING GENERALIZED TRANSMISSION LINE MODEL." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/88278288278458136750.

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博士<br>國立中山大學<br>電機工程研究所<br>84<br>Analysis of microstrip antennas on cylindrical body using generalized transmission line model (GTLM) theory is presented in this dissertation. This method has the advantages of simplicity and time efficiency on analysis of the microstrip antenna. Base on the GTLM theory, a single probe-fed circular microstrip antenna was first investigated. It can be represented by a transmission line loaded with a wall admittance at the radiating edge, an equivalent circuit
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Cheng, Yuan-Shun, and 鄭元順. "Transmission Characteristics of Microstrip Line Periodically Loaded with Rectangular Patches." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/61960459500327114574.

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碩士<br>國立臺灣大學<br>電信工程學研究所<br>90<br>In this thesis, an analysis of microstrip line periodically loaded with rectangular patches is presented. Floquet's theorm and hybrid-mode spectral domain approach are used to derive a set of coupled integral equations, and method of moments is used to transform the coupled integral equations into a determinantal equation from which the dispersion characteristics are obtained. Singularities for critical space harmonics in the wavenumber plane are reviewed systematically. Numerical results for the first passband and stopband characteristics are presented.
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Wu, Ching-Lung, and 巫金龍. "Time-Domain Analysis of a Bend of Differential Microstrip Line." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/98155757089399222654.

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碩士<br>大同大學<br>通訊工程研究所<br>93<br>Abstract The technique of the electronic industry moving fast, the conventional single-end transmission line can not meet the fast speed enough, and the differential transmission lines are more important to be used in all electronic industry field. The advantages of the differential lines are of fast transmission speed, immunity against electromagnetic interference, but the drawback is necessary to support 2 symmetry characteristic transmission line(same impedance) and equalize propagation delay，the differential signal will not distortion and function down. The
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