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Dissertations / Theses on the topic 'Radio volume'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Amethier, Patrik, and André Gerbaulet. "Sales Volume Forecasting of Ericsson Radio Units - A Statistical Learning Approach." Thesis, KTH, Matematisk statistik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-288504.

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Demand forecasting is a well-established internal process at Ericsson, where employees from various departments within the company collaborate in order to predict future sales volumes of specific products over horizons ranging from months to a few years. This study aims to evaluate current predictions regarding radio unit products of Ericsson, draw insights from historical volume data, and finally develop a novel, statistical prediction approach. Specifically, a two-part statistical model with a decision tree followed by a neural network is trained on previous sales data of radio units, and th

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2

Ben, slimen Yosra. "Knowledge extraction from huge volume of heterogeneous data for an automated radio network management." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSE2046.

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En vue d’aider les opérateurs mobiles avec la gestion de leurs réseaux d’accès radio, trois modèles sont proposés. Le premier modèle est une approche supervisée pour une prévention des anomalies. Son objectif est de détecter les dysfonctionnements futurs d’un ensemble de cellules en observant les indicateurs clés de performance considérés comme des données fonctionnelles. Par conséquent, en alertant les ingénieurs et les réseaux auto-organisés, les opérateurs mobiles peuvent être sauvés d’une dégradation de performance de leurs réseaux. Le modèle a prouvé son efficacité avec une application su

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3

Ben, Hassine Nizar. "Etude de la fiabilité des composants à ondes acoustiques de volume (BAW) pour de applications radio fréquence." Phd thesis, Université Joseph Fourier (Grenoble), 2009. http://tel.archives-ouvertes.fr/tel-00442862.

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Cette thèse s'inscrit dans le cadre d'une collaboration tripartite entre STMicroelectronics, le CEALeti et le TIMA. Elle a pour objet la caractérisation et l'étude de la fiabilité des composants à ondes acoustiques de volume (ou BAW pour Bulk Acoustic Wave) fabriqués à partir de couches piézoélectriques minces déposées sur un miroir de Bragg réalisé sur silicium (la technologie SMR pour Solidly Mounted Resonator) pour des applications Radiofréquence (RF). Dans ce travail, on s'intéresse particulièrement aux résonateurs et filtres à modes longitudinaux à base de Nitrure d'Aluminium (AlN) excité

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4

Ben, Hassine Nizar. "Étude de la fiabilité des composants à ondes acoustiques de volume (BAW) pour de applications radio fréquence." Grenoble 1, 2009. http://www.theses.fr/2009GRE10158.

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Cette thèse s'inscrit dans le cadre d'une collaboration tripartite entre STMicroelectronics, le CEALeti et le TIMA. Elle a pour objet la caractérisation et l'étude de la fiabilité des composants à ondes acoustiques de volume (ou BAW pour Bulk Acoustic Wave) fabriqués à partir de couches piézoélectriques minces déposées sur un miroir de Bragg réalisé sur silicium (la technologie SMR pour Solidly Mounted Resonator) pour des applications Radiofréquence (RF). Dans ce travail, on s'intéresse particulièrement aux résonateurs et filtres à modes longitudinaux à base de Nitrure d'Aluminium (AlN) excité

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5

Mays, Kenneth W. "A 40 GHz Power Amplifier Using a Low Cost High Volume 0.15 um Optical Lithography pHEMT Process." PDXScholar, 2013. https://pdxscholar.library.pdx.edu/open_access_etds/552.

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The demand for higher frequency applications is largely driven by bandwidth. The evolution of circuits in the microwave and millimeter frequency ranges always demands higher performance and lower cost as the technology and specification requirements evolve. Thus the development of new processes addressing higher frequencies and bandwidth requirements is essential to the growth of any semiconductor company participating in these markets. There exist processes which can perform in the higher frequency design space from a technical perspective. However, a cost effective solution must complement t

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6

Kone, Issiaka. "Résonateurs à ondes acoustiques guidées sur miroir de Bragg." Thesis, Lille 1, 2010. http://www.theses.fr/2010LIL10060/document.

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Les composants passifs électro-acoustiques sont des éléments critiques des architectures RF. Les plus représentés sont les filtres à ondes acoustiques de surface (SAW) ou de volume (BAW), qui permettent le filtrage RF (filtre d’antenne). Pour le filtrage de canal, les solutions SAW sont actuellement en place, bien que des travaux récents aient montré l’intérêt des résonateurs à ondes de Lamb pour ce type d’application. Ces derniers composants présentent l’avantage d’être compatibles avec une technologie de fabrication de filtres BAW réalisés sur membrane suspendue (FBAR), permettant une co-int

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7

Barjami, Saimir. "A New AC-Radio Frequency Heating Calorimetry Technique for Complex Fluids." Link to electronic thesis, 2005. http://www.wpi.edu/Pubs/ETD/Available/etd-042805-132440/.

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Dissertation (Ph.D.) -- Worcester Polytechnic Institute.<br>Keywords: random-field interactions; radio frequency field heating; modulation calorimetry technique; heat capacity; aerosil; nematic; isotropic; phase transitions Includes bibliographical references.

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8

Tilhac, Cyrille. "Développement d’architectures de filtres à base de résonateurs à ondes acoustiques de volume et contribution à l’intégration dans une technologie avancée silicium industrielle pour des applications radio-fréquences." Limoges, 2007. http://aurore.unilim.fr/theses/nxfile/default/80d92337-b229-40e2-a75a-1b8eb28464c8/blobholder:0/2007LIMO4012.pdf.

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Pour des raisons de coût, de consommation et de volume, l'intégration complète des systèmes de communication apparaît comme un sujet porteur pour l'industrie de la microélectronique. C'est pourquoi, de nouveaux résonateurs à ondes acoustiques de volume (BAW) se développent. Un des avantages de ces résonateurs est la possibilité de les intégrer dans un système complet sur substrat silicium pour des applications de type filtrage. En revanche, il existe des variations dans le procédé de fabrication qui font que les épaisseurs des matériaux déposés fluctuent légèrement. Cela impacte directement la

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9

McKibben, Julie Marie MD. "Comparison of Spirometric Hesitating Start Criteria Using the Ratio of Extrapolated Volume to Timed Forced Expiratory Volumes." University of Cincinnati / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1250269521.

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10

Bolatli, Yurtseven. "Utility Analysis And Computer Simulation Of Rfid Technologies In The Supply Chain Applications Of Production Systems." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12611261/index.pdf.

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In this thesis, the feasibility of deploying RFID technologies in the case of &ldquo<br>lowvolume high-value&rdquo<br>products is considered by focusing on the production processes of a real company. First, the processes of the company are examined and associated problems are determined. Accordingly, a simulation of the current situation is constructed by using the discrete event simulation technique, in order to obtain an accurate model. In addition to modeling the current situation, this simulation model provides a flexible platform to analyze different scenarios and their effects on the com

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11

Llort, Sánchez Germán M. "Intelligent instrumentation techniques to improve the traces information-volume ratio." Doctoral thesis, Universitat Politècnica de Catalunya, 2015. http://hdl.handle.net/10803/326469.

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With ever more powerful machines being constantly deployed, it is crucial to manage the computational resources efficiently. This is important both from the point of view of the individual user, who expects fast results; and the supercomputing center hosting the whole infrastructure, that is interested in maximizing its overall productivity. Nevertheless, the real sustained performance achieved by the applications can be significantly lower than the theoretical peak performance of the machines. A key factor to bridge this performance gap is to understand how parallel computers behave. Perform

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12

WAMPACH, HUBERT. "Mesure des volumes cardiaques par methode radio-isotopique dans les cardiopathies dilatees." Lille 2, 1991. http://www.theses.fr/1991LIL2M306.

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13

Gordon, Christopher, and res cand@acu edu au. "Hydrostatic and thermal influences on intravascular volume determination during immersion: quantification of the f-cell ratio." Australian Catholic University. School of Exercise Science, 2001. http://dlibrary.acu.edu.au/digitaltheses/public/adt-acuvp4.14072005.

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Previous data have shown that the most prevalent, indirect plasma volume (PV) measurement technique, which utilises changes in haematocrit (Hct) and haemoglobin concentration ([Hb]), underestimates actual PV changes during immersion, when compared to a direct tracer-dilution method. An increase in the F-cell ratio (whole-body haematocrit (Hctw) to large-vessel haematocrit (Hctv) ratio) has been purported as a possible explanation, probably due to hydrostatic and thermally-mediated changes during water immersion. Previous investigators have not quantified the F-cell ratio during immersion. Ther

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14

Al-Saedi, Rasha. "Theoretical studies of heterogeneous catalysis using particles with a high surface to volume ratio." Thesis, University of Sheffield, 2018. http://etheses.whiterose.ac.uk/22428/.

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15

Grandfield, Darin J. "The Effect of Particle Surface Area to Volume Ratio on Ion Release from CoCr Spheres." DigitalCommons@CalPoly, 2009. https://digitalcommons.calpoly.edu/theses/119.

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In 2005, over 200,000 Americans underwent a hip arthroplasty, the replacement of a hip joint with an artificial prosthesis. Of these arthroplasties, metal-on-metal type implants represent an increasing usage percentage. Metal-on-metal implants are selected largely for their low volumetric wear rate, durability, and resistance to corrosion. In spite of these advantages, little is known concerning the long-term consequences of heavy metal alloy use in the body, although early research indicates potentially carcinogenic results. This thesis is a preliminary investigation into these long term effe

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16

Faulkner, Jason Christopher. "A study of ignition and flame propagation in a small, high surface-to-volume ratio combustor." Thesis, Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/12439.

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17

Hayton, T. "An investigation of magnetization transfer ratio and T1 hypointense lesion volume in secondary progressive multiple sclerosis." Thesis, University College London (University of London), 2012. http://discovery.ucl.ac.uk/1362888/.

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The data presented in this thesis were collected as part of a trial of neuroprotection with lamotrigine in secondary progressive multiple sclerosis (MS) and comprise clinical assessment and quantitative magnetic resonance imaging (MRI), specifically focussing on T1 hypointense lesion volume (T1LV) and magnetization transfer ratio (MTR). The aim of the study was to evaluate the usefulness of these MRI techniques for monitoring neuropathology in MS by examining the correlation of MRI measures with clinical measures both cross-sectionally and longitudinally and the responsiveness to change of the

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18

Gordon, Christopher James. "Hydostatic and thermal influences on intravascular volume determination during immersion: Quantification of the F-cell ratio." Thesis, Australian Catholic University, 2001. https://acuresearchbank.acu.edu.au/download/517f18855d182644844e0e0a4e06977ec6375739a2714052988c96df8efcb416/1672915/64886_Gordon_2001_Hydrostatic_and_thermal_influences_1_.pdf.

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Previous data have shown that the most prevalent, indirect plasma volume (PV) measurement technique, which utilises changes in haematocrit (Hct) and haemoglobin concentration ([Hb]), underestimates actual PV changes during immersion, when compared to a direct tracer-dilution method. An increase in the F-cell ratio (whole-body haematocrit (Hctw) to large-vessel haematocrit (Hctv) ratio) has been purported as a possible explanation, probably due to hydrostatic and thermally-mediated changes during water immersion. Previous investigators have not quantified the F-cell ratio during immersion. Ther

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19

Vollmer, Marius [Verfasser]. "Efficient Linear Multi User Detection Techniques for Third Generation Mobile Radio Systems / Marius Vollmer." Aachen : Shaker, 2005. http://d-nb.info/1181619866/34.

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20

Huenante, Gutiérrez Jorge Andrés. "Procesamiento y análisis de radio eco-sondaje (RES) sobre glaciares chilenos: Relación entre volumen de hielo y área superficial." Tesis, Universidad de Chile, 2018. http://repositorio.uchile.cl/handle/2250/151259.

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Magíster en Ciencias, Mención Geofísica<br>El Método RES es un método geofísico similar al método sísmico, pero que en lugar de ondas elásticas, se basa en la propagación de ondas electromagnéticas a través de antenas entre un emisor y un receptor, ambos normalmente en la superficie. Para el caso de un glaciar estas ondas se propagan a través del material, interactuando con reflectores internos del hielo y con la interfaz hielo-roca al fondo del glaciar. El espesor de hielo de un glaciar puede ser calculado utilizando este método en base al tiempo de recorrido y una velocidad de propagación de

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21

Wickizer, Gabriel Benjamin. "Experimental System Effects on Interfacial Shape and Included Volume in Bubble Growth Studies." University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1337716075.

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22

Hua, Jianyi. "Pharmacological properties of N-substituted benzamides as radio- and chemosensitizers." Lund : University of Lund, 1998. http://catalog.hathitrust.org/api/volumes/oclc/68945128.html.

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23

Cardinal, Pierre. "The role of the respiratory rate over tidal volume ratio and other clinical variables in the decision to extubate : a decision analysis." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=31203.

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We used decision analysis to determine the factors that influence the decision of whether or not to extubate and to evaluate the usefulness of testing with the RR/Vt ratio. A questionnaire was also distributed to experienced critical care specialists. We showed that the rate of improvement in the patient condition had the greatest influence on the decision to extubate. When the rate of improvement was high, the best decision was to continue with mechanical ventilation unless the probability of tolerating extubation was greater than 0.95. However, when there was little or no chance of further i

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24

Van, Velthoven P. J. F. "Medium scale irregularities in the ionospheric electron content." Utrecht : Drukkerij Elinkwijk, 1990. http://catalog.hathitrust.org/api/volumes/oclc/22643184.html.

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25

Yao, Siyuan. "Impact of imbalanced graft-to-spleen volume ratio on outcomes following living donor liver transplantation in an era when simultaneous splenectomy is not typically indicated." Kyoto University, 2020. http://hdl.handle.net/2433/253139.

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26

Харламова, О. В. "Науково-методологічні основи управління екологічною безпекою в умовах природно-антропогенного навантаження". Thesis, Кременчуцький національний університет ім. М. Остроградського, 2018. http://essuir.sumdu.edu.ua/handle/123456789/70946.

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У дисертаційній роботі приведено результати наукових досліджень із розробки науково-методологічних основ управління екологічною безпекою в умовах природно-антропогенного навантаження. Встановлено закономірності та особливості виникнення та поширення екологічної небезпеки в умовах дії природно-антропогенних чинників. Запропонована модель формування екологічної небезпеки в соціально-економічній зоні (СЕЗ), яка включає сукупність внутрішньозонних чинників із врахуванням зовнішнього природно-антропогенного впливу та поширення небезпеки за межі зони. Розроблено загальні теоретичні положення управлі

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27

Rocha, Margarida Vicente Gouveia Vieira da. "Influência do volume global de tumor ajustado para cada animal, determinado a partir de um rácio crânio-tumoral, no prognóstico do melanoma maligno oral no cão." Master's thesis, Universidade de Lisboa, Faculdade de Medicina Veterinária, 2018. http://hdl.handle.net/10400.5/15697.

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Dissertação de Mestrado Integrado em Medicina Veterinária<br>O volume tumoral é um fator de prognóstico reconhecido. No entanto, no que diz respeito aos tumores orais no cão, é possível que a variabilidade anatómica tenha influência no peso do volume tumoral. Assim, o presente estudo avaliou, de forma retrospetiva, o rácio crâniotumoral (C-T) enquanto fator prognóstico no melanoma maligno oral (MMO) em 16 cães com estadiamento tomográfico local e/ou radiográfico distante. A mediana da sobrevida global dos animais em estudo foi de 168 dias, não tendo sido observadas diferenças significati

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28

Kleynhans, Bertus George. "Effective material usage in a compact heat exchanger with periodic micro-channels / Bertus George Kleynhans." Thesis, North-West University, 2012. http://hdl.handle.net/10394/8707.

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All modern High Temperature Reactors (HTR) thermal cycles have one thing in common: the use of some form of heat exchanger. This heat exchanger is used to pre-heat or cool the primary loop gas, from where the secondary power generation cycle is driven. The Compact Heat Exchanger (CHE) type offers high heat loads in smaller volumes. Various studies have been done to improve the heat transfer in the flow channels of these CHEs but little focus has been placed on the thermal design of surrounding material in such a heat exchanger. The focus of this study is on the effective material usage in a CH

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29

SUNDARAM, VIJAYAKUMAR. "OPERATION AND DESIGN IMPACTS ON EFFICIENCY AND TOXICITY DURING ELECTROCHEMICAL TREATMENT OF AZO DYE-CONTAINING WASTEWATER." University of Cincinnati / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1132238031.

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30

Chang, Hung. "Spatial distribution of ventilation and perfusion in the lateral decubitus posture /." Thesis, Connect to this title online; UW restricted, 2001. http://hdl.handle.net/1773/10540.

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31

Painter, Keith B., G. Gregory Haff, N. Travis Triplett, et al. "Resting Hormone Alterations and Injuries: Block vs. DUP Weight-Training among D-1 Track and Field Athletes." Digital Commons @ East Tennessee State University, 2018. https://dc.etsu.edu/etsu-works/3777.

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Daily undulating periodization (DUP), using daily alterations in repetitions, has been advocated as a superior method of resistance training, while traditional forms of programming for periodization (Block) have been questioned. Nineteen Division I track and field athletes were assigned to either a 10-week Block or DUP training group. Year and event were controlled. Over the course of the study, there were four testing sessions, which were used to evaluate a variety of strength characteristics, including maximum isometric strength, rate of force development, and one repetition maximum (1RM). A

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Positano, Chad J. "A Study of the Mass Emission Rates of Small Spills of Chlorinated Hydrocarbons Based on the Vapor Pressure and Surface Area to Volume Ratio of the Spill." University of Toledo Health Science Campus / OhioLINK, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=mco1096393449.

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33

Alexandrina, Eduardo Carlos. "Caracterização e composição química do material particulado grosso (MP10) no centro da cidade de São Carlos (SP)." Universidade Federal de São Carlos, 2015. https://repositorio.ufscar.br/handle/ufscar/7241.

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Submitted by Bruna Rodrigues (bruna92rodrigues@yahoo.com.br) on 2016-09-15T20:31:27Z No. of bitstreams: 1 DissECA.pdf: 4704364 bytes, checksum: 1909457a146bdb29a74ad65130ca2bd9 (MD5)<br>Approved for entry into archive by Marina Freitas (marinapf@ufscar.br) on 2016-09-16T19:58:59Z (GMT) No. of bitstreams: 1 DissECA.pdf: 4704364 bytes, checksum: 1909457a146bdb29a74ad65130ca2bd9 (MD5)<br>Approved for entry into archive by Marina Freitas (marinapf@ufscar.br) on 2016-09-16T19:59:07Z (GMT) No. of bitstreams: 1 DissECA.pdf: 4704364 bytes, checksum: 1909457a146bdb29a74ad65130ca2bd9 (MD5)<br>Made a

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Mathavakkannan, Suresh. "Techniques to assess volume status and haemodynamic stability in patients on haemodialysis." Thesis, University of Hertfordshire, 2010. http://hdl.handle.net/2299/4811.

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Volume overload is a common feature in patients on haemodialysis (HD). This contributes significantly to the cardiovascular disease burden seen in these patients. Clinical assessments of the volume state are often inaccurate. Techniques such as interdialytic blood pressure, relative blood volume monitoring, bioimpedance are available to improve clinical effectives. However all these techniques exhibit significant shortcomings in their accuracy, reliability and applicability at the bed side. We evaluated the usefulness of a dual compartment monitoring technique using Continuous Segmental Bioimp

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Henrich-Franke, Christian. "Globale Regulierungsproblematiken in historischer Perspektive der Fall des Funkfrequenzspektrums 1945-1988 /." Baden-Baden : Nomos, 2006. http://catalog.hathitrust.org/api/volumes/oclc/68804499.html.

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Hipkiss, Tim. "Brood sex ratio and sex differences in Tengmalm’s owl : (Aegolius funereus)." Doctoral thesis, Umeå University, Ecology and Environmental Science, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-8.

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<p>Males and females differ in morphology and behaviour, so that selection acts differently on the two sexes. This changes the relative reproductive success of males and females, and it is beneficial for parents to bias the sex ratio of their broods in favour of the sex with the best survival and breeding prospects. Differences between the sexes and brood sex ratio in Tengmalm’s owl (Aegolius funereus) in northern Sweden were investigated, using a molecular sexing technique based on PCRamplification of sex-linked CHD1 genes. Among owls caught during autumn migration, females were commoner than

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Nilsson, Calle. "VO2peak/THV-ratio differ between heart failure patients with preserved ejection fraction and healthy controls." Thesis, Högskolan Kristianstad, Sektionen för lärande och miljö, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-17863.

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Heart failure is a term for a group of complex symtoms characterized by reduced heart function. One of these syndromes, referred to as heart failure with preserved ejection fraction (HFpEF), has increased in prevalence compared to other types of heart failures during the recent years. A concern is the difficulty in diagnosing patients with HFpEF, since current tools are considered insufficient. The aim of this thesis was to examine Peak Oxygen Uptake (VO2peak) in relation to Total Heart Volume (THV) among heart failure patients with preserved ejection fraction (HFpEF, EF >40 %) compared to

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Tyas, Luke Martin Graham. "The SALT HRS Spectrograph." Thesis, Durham University, 2012. http://etheses.dur.ac.uk/3492/.

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SALT HRS (Southern African Large Telescope High Resolution Échelle Spectrograph) is a high-resolution, high-efficiency spectrograph for the 11m SALT telescope in Sutherland, South Africa. The initial optical design work was performed at the University of Canterbury, New Zealand. Revisions to the concept, the mechanical design, manufacture, assembly and testing have been handled by the Centre for Advanced Instrumentation, at Durham University in the United Kingdom. SALT HRS is a fibre-fed echelle grating spectrograph with four operational modes: low-, medium- and high-resolution and high-stabi

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Bucci, André Francisco. "Efeitos de morfotipos do fitoplâncton no comportamento espectral da absorção da luz, e possíveis implicações para a determinação de carbono particulado por sensoriamento remoto." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/21/21134/tde-09042014-163745/.

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O conhecimento da estrutura da comunidade fitoplanctônica depende de estimativas robustas de biomassa e de como variam suas taxas de absorção de luz. Assim, é essencial descrever a relação entre grupos taxonômicos e seus morfotipos. Este trabalho investigou a influência da forma do fitoplâncton, por meio de sua razão S/V no coeficiente de absorção de luz. Comunidades fitoplanctônica de plataforma continental foram detalhadas taxonomicamente e categorizada como morfotipos para o cálculo de biomassa fitoplanctônica, razão S/V e tamanho médio, e relações com o coeficiente de absorção de luz foram

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Chang, Ya-Lan, and 張雅嵐. "Ratio Computation of Stroke Rat Brain Infarct Volume and Atrophy Volume Relative to the Normal Brain Volume." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/34004953410238103827.

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碩士<br>國立中興大學<br>資訊管理學系所<br>103<br>According to recent research, stroke is one of the main causes of death as well as a source of massive economic burden that has concerned many researchers to work in the field of stroke research. Stroke is a cerebrovascular disease mainly divided into two types: ischemic stroke and hemorrhagic stroke, which refers to the partial blockage or bleeding inside blood vessels of the brain respectively. Both types of stroke lead to nutrient and oxygen deprivation in the brain, which ultimately cause brain damage or death. This study focused on ischemic stroke by usin

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Dickson, Andrew Stuart. "Action volume ratio: a method to classify the danger of lightning in any given volume." Thesis, 2015. http://hdl.handle.net/10539/17672.

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The annual number of injuries and fatalities from lightning has, over the last century, been on a steady decline. This is primarily due to urbanisation and movement away from agriculturally intensive activities. In countries with a high urban population, the incidence of lightning fatalities is below 1 death per million people per year. However, in countries with a larger rural population, this rate is signi cantly higher, ranging between 8 and 15 deaths per million people per year. There has been a large drive towards educating the general public about the dangers of lightning and metho

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Hsu, Chia-Wei, and 許家瑋. "Using Option and Stock Volume Ratio as Trading Strategies." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/59602911037853725661.

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碩士<br>國立臺灣大學<br>財務金融學研究所<br>104<br>Using the OS concept of Johnson and So(2012),constructing OS Index, Delta OS Index, PS Index, Delta PS Index, CS Index and Delta CS Index as trading index. With the half year moving average of SP500, there are 12 kinds of trading strategies. Delta OS Index and half year moving average of SP500 is the most outstanding trading strategy. On the buy side, the return is significant large than zero. The wining rate is over 60%. Overall, it is a good trading strategy. The first trading signal of the change between long and short transition is a strong one. It can be

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Liao, Ung-Hsuan, and 廖泳瑄. "The option to stock volume ratio and stock returns." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/ge6338.

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碩士<br>國立交通大學<br>財務金融研究所<br>106<br>This research examines the future return predictability of the daily option-to-stock ratio (O/S). The Fama-MacBeth regression result shows that the daily option-to-stock ratio plays an essential role in the prediction with a significantly negative impact on the following trading day’s return. We also look into the predictability of the daily signed option ratio, whereby the daily open buy call to stock ratio and open buy put to stock ratio are strong predictors of it, and that closing position ratios lose their predictability in non-expiration week. Lastly, th

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Kao, Yu-Chang, and 高于昌. "The study of vapor recovery test procedure: Air to liquid volume ratio." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/e94w52.

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碩士<br>國立中央大學<br>環境工程研究所碩士在職專班<br>94<br>Volatile organic compounds (VOCs) emitted from the vehicle refueling at gasoline stations include benzene, toluene, ethyl benzene, xylene, and MTBE, which are major air pollutants and hazardous. In order to reduce VOCs emissions from gasoline stations, the Taiwan EPA legislates and obligates the gasoline stations to establish vapor recovery facilities based on the U.S. control policy of the vapor recovery system with the gasoline stations. The objective of this study is to compare the differences between the Taiwan EPA’s test method“NIEA A211.70B”and the

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Liu, Cheng-Rui, and 劉程睿. "The Relationship among Turnover Ratio, Trading Volume Volatility and Stock Price Volatility." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/99179065514691273066.

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碩士<br>淡江大學<br>管理科學研究所碩士班<br>96<br>Most domestic and foreign literatures involve the behavior between quantity and price volatilities. This research investigates the relationships between price volatilities trading volume volatilities instead of quantity in order to expand the scope of this research. In addition, high turnover ratio is the characteristic of Taiwan stock market, and it means that investors prefer short term investment instead of holding stocks in the long run. Thus, whether the high turnover ratio will cause stock price volatilities is another issue we concern. By employin

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Wei-Ling, Chen, and 陳瑋翎. "A study to identify the relation between Ratio and Volume in Cuboid." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/9j5c3b.

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碩士<br>國立臺北科技大學<br>工業設計系創新設計碩士班（碩士在職專班）<br>104<br>In the field of graphic design, points, lines, and planes form different conditions to create different sizes, thickness, volume, and shapes. As the conditions change, perceptions change along with them. Product design is the first step when consumers come in contact with a product. Even when the shapes are the same (e.g. cuboid and triangle prism), different ratios can create different perceptions, both visually and mentally. The purpose of this study is to: 1. Explore the changes in sense of volume when viewing cuboids that have the same volum

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Te-Hung, Tsao, and 曹德弘. "Assessment of Visceral Fat Volume from Waist Girth and Waist-to-Hip Ratio." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/58847357157822739036.

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碩士<br>國立師範大學<br>體育學系<br>86<br>According to research, the mass of visceral fat not only influences exerc-ise ability but is also associated with an increased risk of hypertension,dia-betes and cardiovascular disease. The purposes of this study were : to measure visceral fat volume as the criterion by using magnetic resonance imagine(MRI), to evaluate the correlatio-n between visceral fat volume and waist girth ,hip circumference and waist-to-hip ratio(WHR); and to develop a prediction equation for visceral fat volume. Sixteen (16) human subjects (8 male, 8 female) were involved in this stud

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Lin, Chong-Yao, and 林崇堯. "Load Analysis of Variable-Volume-Ratio Sliding Valve for Refrigerant Twin-Screw Compressors." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/hs7wms.

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碩士<br>國立中央大學<br>機械工程學系<br>107<br>Twin-screw compressors have been widely used in various industrial applications such as refrigeration systems, air conditioners in buildings and food manufacturing due to their high efficiency and stability. However, the vibration and noise generated under low loading operation are still a concern for compressor manufacturers. This study proposes a numerical calculation procedure for quickly calculating the gas-induced forces and torques on the screw rotor pair and the sliding valve for oil-injection twin-screw compressors. In the beginning, the static and dyna

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Wells, Elizabeth Christine. "Fluidic Tuning of a Four-Arm Spiral-Based Frequency Selective Surface." Thesis, 2011. http://hdl.handle.net/1969.1/ETD-TAMU-2011-05-9403.

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Frequency selective surfaces (FSSs) provide a variety of spatial filtering functions, such as band-pass or band-stop properties in a radome or other multilayer structure. This filtering is typically achieved through closely-spaced periodic arrangements of metallic shapes on top of a dielectric substrate (or within a stack of dielectric materials). In most cases, the unit cell size, its shape, the substrate parameters, and the inter-element spacing collectively impact the response of the FSS. Expanding this design space to include reconfigurable FSSs provides opportunities for applications requ

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Peng, Yu-Chu, and 彭予柱. "The Effect of Water-to-Solid Volume Ratio on the Engineering Properties of Concrete." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/77114941692272764863.

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博士<br>國立臺灣科技大學<br>營建工程系<br>100<br>This study discusses the effects of the densified mixture design algorithm (DMDA) on the high-flowing fly ash concrete prepared using aggregates of varying density. Using the DMDA forward packing model (FPM), backing packing model (BPM), and the traditional mix design method, this study investigates the quality and quantity of slurry, and the quantity of mixing water in the slurry. The results indicate that varying slurry concentrations combined with a new mix design (altered from w/c to w/s) strengthens the uniformity of the concrete and reduces wear and tear

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