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Dissertations / Theses on the topic 'Cuk Converter'

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Published: 4 June 2021

Last updated: 25 July 2025

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1

Kathi, Lokesh. "Small-Signal Analysis of Non-isolated Cuk DC-DC Converter." Wright State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=wright1598899911848989.

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2

Ayhan, Mustafa Tufan. "Design And Implementation Of Coupled Inductor Cuk Converter Operating In Continuous Conduction Mode." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613927/index.pdf.

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The study involves the following stages: First, coupled-inductor and integrated magnetic structure used in Cuk converter circuit topologies are analyzed and the necessary information about these elements in circuit design is gathered. Also, benefits of using these magnetic elements are presented. Secondly<br>steady-state model, dynamic model and transfer functions of coupled-inductor Cuk converter topology are obtained via state-space averaging method. Third stage deals with determining the design criteria to be fulfilled by the implemented circuit. The selection of the circuit components and

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3

Gunaydin, Zekiye. "Analysis And Design Of A Cuk Switching Regulator." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12610606/index.pdf.

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This theses analyzes Cuk converter, that is one of the dc to dc switching converters. For continuous inductor current mode and discontinuous inductor current mode, stedy state operation is analysied. Characteristic parameters are determined. Through State Space Averge Models, Small Signal Models are obtained. Parasitic Resistance effects on steady state and small signal models are determined. Efficency of the switching converter is derived. Open loop transfer functions for continous and discontinuous inductor curret mode are obtained. Parmeters for small signal behaviour is determined and stab

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4

Pacheco, Juliano de Oliveira. "AC-DC Cuk converter based on three state switching cell with power factor correction applied in battery charger." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=14579.

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CoordenaÃÃo de AperfeiÃoamento de Pessoal de NÃvel Superior<br>This work presents the study and implementation of an ac-dc Ćuk converter based on the three state switching cells applied in charger stations for electric vehicles. This converter has, as main characteristics, reduction of conducting power losses in the semiconductors, a single stage topology and current source behavior for both input and output terminals. As drawbacks, the topology presents: the voltage across the semiconductors is equal to the sum of the input and the output voltages, and a difference between the current va

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5

Sayyid, Ahmed Ali. "A High efficiency high power led driver with fault tolerance and multiple led load driving using a coupled Cuk converter." Diss., University of Pretoria, 2013. http://hdl.handle.net/2263/37318.

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Lighting consumes approximately 20-25% of the energy produced worldwide. LED based lighting is rapidly becoming the preferred choice over incandescent and fluorescent based lighting. LEDs have advantages such as high efficacy, long operating lifetime and excellent lumen maintenance. Therefore, to gain benefits from LEDs for lighting purposes, they must be driven with efficient drivers which maintain high LED efficacy and long LED lifetime. A review of existing LED drivers is done, and their advantages and drawbacks are identified. Existing fault-tolerant drivers are also reviewed. Several dim

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6

Nathan, Kumaran Saenthan. "A novel DC-DC converter for photovoltaic applications." Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/288881.

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Growing concerns about climate change have led to the world experiencing an unprecedented push towards renewable energy. Economic drivers and government policies mean that small, distributed forms of generation, like solar photovoltaics, will play a large role in our transition to a clean energy future. In this thesis, a novel DC-DC converter known as the Coupled Inductors Combined Cuk-SEPIC' (CI-CCS) converter is explored, which is particularly attractive for these photovoltaic applications. A topological modification is investigated which provides several benefits, including increased power

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7

Loup, Martin. "Modely stejnosměrných tranzistorových měničů v programu Simulink." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-412975.

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The master’s thesis is focused on the creation of models of DC/DC converters and control program for input parameters and their configuration. The first part is theoretical and she is dedicated to the description of the program Matlab. The second chapter is dedicated to DC/DC converters. Their function is described there and the necessary equations for the design are derived. All of this is complemented by the calculation of line losses in semiconductor elements and the design of voltage and current regulator. The last two parts deal with the description of the created models in Simulink and c

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8

Cantillo, Andrea. "Stability of Peak-Current-Controlled fourth order StepUp/Down DC/DC converters." Doctoral thesis, Universita degli studi di Salerno, 2011. http://hdl.handle.net/10556/187.

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2009 - 2010<br>The topic of this dissertation is the development of models and design methods for non-isolated Switch-Mode Power Supply (SMPS). Of particular interest are DC/DC converters characterized by step up/down conversion ratio (i.e. capable to regulate the output voltage either at a lower or at a higher level with respect to the input voltage). The dissertation is mainly focused on the stability of the Single Ended Primary Inductance Converter (SEPIC) and of the Cuk converter. SEPIC and Cuk converters are both characterized by the presence of an inductor on the input port, thus resulti

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9

Morais, Julio Cezar dos Santos de. "Desenvolvimento de um microinversor conectado à rede baseado na integração do conversor Cuk com uma estrutura de indutores chaveados." Universidade Tecnológica Federal do Paraná, 2017. http://repositorio.utfpr.edu.br/jspui/handle/1/2823.

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Neste trabalho é proposto o desenvolvimento de um novo microinversor de estágio único para aplicação em sistemas fotovoltaicos. A topologia apresentada é baseada na combinação do conversor Cuk com uma estrutura de indutores chaveados para obtenção de um maior ganho estático e um circuito inversor em ponte completa conectado à rede. A estrutura de indutores chaveados apresentada nesse trabalho reduz esforços de tensão e corrente nas chaves semicondutoras. Com o objetivo de facilitar o controle, a etapa CC do microinversor opera em modo de condução descontínua (DCM). Para injetar corrente senoid

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10

Wang, Mingzhen. "High-speed Low-voltage CMOS Flash Analog-to-Digital Converter for Wideband Communication System-on-a-Chip." Wright State University / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=wright1189815482.

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11

Д`яченко, Олексій Вікторович, Алексей Викторович Дьяченко, Oleksii Viktorovych Diachenko, et al. "The performance optimization of thin-film solar converters based on n-ZnMgO / p-CuO heterojunctions." Thesis, Jadavpur University, 2017. http://essuir.sumdu.edu.ua/handle/123456789/65510.

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In this paper, we present the results of the calculations of optical losses in the solar cells layers based on heterojunction n-ZnMgO / p-CuO with ZnO and ITO frontal contacts. The calculations were carried out taking into account a light absorption in the auxiliary layers of the device. As a result, the spectral dependencies of transmittance Т() in the absorber layer of solar cell were defined. It is made possible to optimize the design of the solar cells based on such heterojunctions.

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12

Morais, Juliano Luiz dos Santos de. "Desenvolvimento de um conversor CC-CC de três portas parcialmente isolado baseado na integração dos conversores CUK bidirecional e LC série ressonante." Universidade Tecnológica Federal do Paraná, 2017. http://repositorio.utfpr.edu.br/jspui/handle/1/2528.

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CAPES<br>O desenvolvimento de um conversor CC-CC de três portas é proposto neste trabalho. Através da combinação de um conversor bidirecional Ćuk e um transformador de alta frequência com um circuito retificador em ponte completa, duas portas de energia não isoladas e uma porta de energia isolada são obtidas. Um circuito LC série ressonante é empregado, resultando em comutação suave nos interruptores de potência. O conversor bidirecional Ćuk, controlado por modulação de largura de pulso (PWM) e o circuito tanque ressonante, controlado por modulação de frequência (PFM) acima da frequência de re

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13

Britto, Jonas Reginaldo de. "Análise, projeto e implementação de conversores CC-CC com ampla faixa de conversão aplicados em iluminação de estado sólido." Universidade Federal de Uberlândia, 2009. https://repositorio.ufu.br/handle/123456789/14265.

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This work consists of the study, design and implementation of DC-DC converters, used in lighting systems based on light emitting diodes (LEDs). Can be powered by an universal AC voltage source or battery, and the current in the LEDs is controlled digitally. The main objective is to present a proposal of new step-up/down converters topologies with full conversion much higher than that of conventional converters. So, is initially presented an overview of solid-state lighting (SSL). Following is presented the study on the dynamic behavior of converters based on modeling by the method of varying s

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14

Cui, Shenghui [Verfasser], Doncker Rik W. [Akademischer Betreuer] De, and Rainer [Akademischer Betreuer] Marquardt. "Modular multilevel DC-DC converters interconnecting high-voltage and medium-voltage DC grids / Shenghui Cui ; Rik W. de Doncker, Rainer Marquardt." Aachen : Universitätsbibliothek der RWTH Aachen, 2019. http://d-nb.info/1195238002/34.

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15

Xia, Bo. "Analog-to-digital interface design in wireless receivers." Texas A&M University, 2004. http://hdl.handle.net/1969.1/3260.

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As one of the major building blocks in a wireless receiver, the Analog-to-Digital Interface (ADI) provides link and transition between the analog Radio Frequency (RF) frontend and the baseband Digital Signal Processing (DSP) module. The rapid development of the radio technologies raises new design challenges for the receiver ADI implementation. Requirements, such as power consumption optimization, multi-standard compatibility, fast settling capability and wide signal bandwidth capacity, are often encountered in a low voltage ADI design environment. Previous research offers ADI design schemes t

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16

Kovář, Jan. "Metody pro řešení spínaných obvodů." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-233575.

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The dissertation deals with simulations of the DC-DC converters in their basic configurations (Buck, Boost, Buck-boost, Cuk, SEPIC). In the first part of the thesis derivation of transfer functions Line-to-Output (LTO) and Control-To-Output (CTO) can be found. These symbolic responses are derived for three types of basic converters (Buck, Boost, Buck-boost) using well-known average model [1]. Derived expressions are very complicated. For reduction of these expressions symbolic approximation method was used, however the generality is lost. The average model was used to for decreasing the comput

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17

Boris, Ličina. "Metoda merenja snage i energije vetra zasnovana na merenju na intervalu." Phd thesis, Univerzitet u Novom Sadu, Fakultet tehničkih nauka u Novom Sadu, 2020. https://www.cris.uns.ac.rs/record.jsf?recordId=114163&source=NDLTD&language=en.

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U disertaciji je prikazan i predložen novi metod merenja snagei energije vetra koji se bazira na stohastičkoj digitalnoj mernojmetodi (SDMM), umesto do sada korišćene standardne semplingmetode (SSM). Standard za merenje brzine vetra predstavljaanemometar sa šoljicama, koji na svom izlazu daje sinusni napončija su amplituda i frekvencija linearno zavisne od brzinevetra. Kako su snaga i energija vetra proporcionalne trećemstepenu brzine vetra, u tu svrhu se primenjuje generalizovanhardver namenjen za računanje proizvoda tri ulazna signala. Zbogniskog frekvencijskog opsega ulaznog signala izvršen

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18

Д`яченко, Олексій Вікторович, Алексей Викторович Дьяченко та Oleksii Viktorovych Diachenko. "Оптимізація структурних, електричних та оптичних характеристик шарів тонкоплівкових сонячних елементів на основі оксидів Mg, Zn, Cu, отриманих спрей-піролізом". Thesis, Сумський державний університет, 2019. http://essuir.sumdu.edu.ua/handle/123456789/73163.

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Дисертаційна робота присвячена визначенню ефективності та основних фотоелектричних характеристик (зовнішнього і внутрішнього квантових виходів, напруги холостого ходу, густини струму короткого замикання, фактора заповнення ВАХ) сонячних елементів (СЕ) на основі гетеропереходу (ГП) n-Zn1-xMgxO / p-CuxO з фронтальними струмознімальними прозорими шарами n-ITO, ZnO:Al залежно від конструктивних особливостей приладів за допомогою моделювання фізичних процесів у ФЕП; оптимізації конструкції таких приладів шляхом мінімізації оптичних і рекомбінаційних втрат у СЕ; дослідженню впливу фізико-техно

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19

GIU, GUO-ZHEN, and 邱國珍. "High frequency quasi-resonant 'CUK converter." Thesis, 1988. http://ndltd.ncl.edu.tw/handle/16475920676707101656.

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20

YANG, JIN-DE, and 楊進德. "High frequency multi-resonant 'Cuk converter." Thesis, 1990. http://ndltd.ncl.edu.tw/handle/48884549100181992421.

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21

Wang, Chien-Hung, and 王健鴻. "Digital Control for Cuk PFC Converter." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/85361477657003231723.

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碩士<br>國立交通大學<br>電機學院電機與控制學程<br>104<br>This thesis presents Cuk converter and its digital control method to achieve the power factor correction (PFC) function. Compared to the common dual- loop-control method, this thesis focuses on the new control mode to meet IEC61000-3-2 harmonic standard. This context is adopted from Texas Instruments C2000 series TMS320F28335 , of which DSP chip is to be controlled by the entire circuit. This DSP is categorized into TMS320F28X series, which has floating-point capabilities. Compared to the fixed-point DSP, it has not only more accuracy arithmetic function

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22

Huang, Chien-Lan, and 黃建嵐. "The Zero Voltage Switching Active Clamp Cuk converter." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/82422949523497952672.

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碩士<br>國立雲林科技大學<br>電機工程系碩士班<br>95<br>In this thesis, an active clamp Cuk PWM converter is analyzed for continuous conduction mode (CCM). Cuk topology has gathered more attention in recent years. Base on the continuous input and output current, wide output voltage range and small output filter. The active clamp technique is used to improve circuit efficiency and achieve zero voltage switching (ZVS). In the proposed converter, both main switch and auxiliary switches are soft-switching to increase of the efficiency and increase the power density. Operation principle, design analysis and conditions

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23

Chen, Yong-Lu, and 陳永錄. "Analysis and Design of Novel Cuk-Sepic Converter." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/06350785628102528612.

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碩士<br>國立臺灣海洋大學<br>電機工程學系<br>96<br>This paper proposes a novel bipolar voltage dual output DC-DC converter. Its topology is based on Cuk converter and Sepic converter. By using a single power switch to coupled inductors,without use of transformers,to construct a Cuk-Sepic converters. In this paper,we analysis and design of Cuk-Sepic converter circuit in a continuous current mode,and using simulation software IsSpice to verify converter circuit characteristics.

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24

Cheng, Ming-Chieh, and 鄭明杰. "A Zero Input Current Ripple Cuk Converter for Photovoltaic Systems." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/xf9fy8.

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碩士<br>國立清華大學<br>電機工程學系<br>97<br>Due to the limited fossil energy and greenhouse effect, more and more countries are devoting to development and promotion of renewable energy sources. Among the various renewable energy sources, solar energy has the advantages of being inexhaustible and noiseless. Hence, installation of photovoltaic (PV) power generation systems keeps a rather high growing rate in recent years. However, the output voltage of the solar cells changes rapidly with the insolation. Hence, a switching power converter is required as a regulator for achieving the maximum output power of

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25

Wang, Jin-Ming, and 王見銘. "An Active Power Factor Correction Technique for CUK Type AC to DC Converter." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/96238153615772072630.

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碩士<br>國立海洋大學<br>電子工程學系<br>83<br>In this paper, an active power factor correctioncircuit for CUK type ac-to-dc converter is proposed and analyzed. The conve- rter adopts a frond-end diode rectifier so that only one active switch is required. The converter draws sinusoidal ac current from the ac source with nearly unity input power factor while operting at a fixed switching frequency. Moreover, this paper shows that the active input power factor correction stage is also used to regulat

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26

Wang, Jian-Ming, and 王見銘. "An active power factor correction technique for CUK type AC to DC converter." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/17206103081059198219.

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27

Amirabadi, Mahshid. "Soft-Switching High-Frequency AC-Link Universal Power Converters with Galvanic Isolation." Thesis, 2013. http://hdl.handle.net/1969.1/151305.

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In this dissertation the ac-link universal power converters, which are a new class of power converters, are introduced and studied in detail. The inputs and outputs of these converters may be dc, ac, single phase, or multi-phase. Therefore, they can be used in a variety of applications, including photovoltaic power generation, wind power generation, and electric vehicles. In these converters the link current and voltage are both alternating and their frequency can be high, which leads to the elimination of the dc electrolytic capacitors and the bulky low-frequency transformers. Therefore, the

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28

Jao, Chii-Wen, and 饒啟文. "Hybrid Energy Management of Bi-directional Cuk-converter Battery Equalization System and Fuel Cell Generator System." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/87127448608423548473.

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碩士<br>輔仁大學<br>電子工程學系<br>92<br>A fuzzy controlled method for the equalization of series connected lithium-ion batteries is presented. The state-space representation of bi-directional dc-to-dc equalizer that modified from Cuk-converter is derived for design the battery equalization controller. A PWM switching control and equalization with the intelligent state-of-charge (SOC) estimator is employed to balance the cell voltage of the battery strings. An intelligent SOC estimator is designed based on a fuzzy logic control (FLC) with a set of membership function; it can predict the complex cell equa

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29

Silva, Leonardo Candido da. "Power interface for grid-connected pico-hydro systems using PV inverters." Master's thesis, 2018. http://hdl.handle.net/10198/19869.

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Mestrado de dupla diplomação com a UTFPR - Universidade Tecnológica Federal do Paraná<br>The electrical energy is a contemporaneous paradigm, the demand for electrical energy is evergrowing, and so is the energy supply; By bringing the energy production closer to the end-users, either in urban centers or people in remote areas have a chance to exploit renewable energy resources to produce electrical energy, and become self-sufficient. Hydropower has since long been a reliable power source, as well as being the most cost-effective. Although, it has its issues, e.g., its synchronization to

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30

Yu, Kuo-Ming, and 尤國明. "Dynamic Analysis of One-Cycle Controlled 'Cuk Converters." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/31833077672131703329.

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碩士<br>國立海洋大學<br>電機工程學系<br>87<br>One Cycle Control is a nonlinear control method. One-Cycle decoupes the output stage from the input stage, allowing their independent design and ensuring rejection of power source perturbations . In this paper,systematic design method for One-Cycle Control systems is provided with the 'Cuk converter as an example.The Flow-Graph modeling technique is employed to study the large-signal and small-signal dynamic behavior of One-Cycle Controlled 'Cuk converters.Finally,simulative and experimental results demonstrate that a 'Cuk converter with One-Cycle Con

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31

Chung-Ta, Chen, and 陳俊達. "Design and Fabrication of Y-cut Lithium Niobate Mode Converter." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/43360147868203024113.

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