A globally integrated economy is one of the most prominent features of globalization and how city stakeholders respond to the global economy varies from city to city. Connecting to the global economy is often portrayed to be necessary for the continued economic development of a metropolitan area. Large transportation infrastructures such as airports represent one of the most visible ways of connecting to the global economy. Decisions made by city stakeholders regarding airports in order to reposition their city in the global economy have profound consequences for its residents. This thesis aims to examine the role played by air transportation in the processes of globalization present in Tampa Bay, Florida, and focuses specifically on investigating the following research questions: 1) What vision of Tampa Bay is driving the economic development plans of stakeholders of Tampa International Airport and St. Petersburg/Clearwater International Airport? 2) What understanding of globalization do Tampa Bay economic development and air transportation stakeholders have? 3) How does air transportation fit into the economic development plans of Tampa Bay stakeholders and how will each airport play a part? To answer these questions, this thesis uses a qualitative research approach that relies on open-ended, in-depth interviews and artifact review as the methods of data collection. Interviews were conducted with representatives of transportation facilities, government economic development entities, non-profit economic development organizations, and private business interests. These interviews focused on the themes of visions of a future Tampa Bay, stakeholder understandings of globalization, stakeholder perceptions of space-time, and ultimately how air transportation assets in Tampa Bay may or may not be used in the economic development process as a response to the global economy. The results reveal that Tampa Bay stakeholders largely share in a vision of a future Tampa Bay but are not in as much agreement on how to achieve this vision, particularly regarding air transportation. Governance structure is found to be one of the greatest challenges associated with stakeholders' response to the global economy. The subject of governance structure in this case study is tied to changing perceptions of space-time, brought about by the pressures of a global economy, which in the minds of stakeholders requires one to do more with less in order to compete in the global economy. The findings provide important insights on how Tampa Bay stakeholders use air transportation in the process of economic development as a response to the global economy.

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ITC/USA 2014 Conference Proceedings / The Fiftieth Annual International Telemetering Conference and Technical Exhibition / October 20-23, 2014 / Town and Country Resort & Convention Center, San Diego, CA / Typical airborne test platforms use multiple telemetry transmit antennas in a top and bottom configuration in order to mitigate signal shadowing during maneuvers on high dynamic platforms. While mitigating one problem, this also creates a co-channel interference problem as the same signal, time delayed with differing amplitude, is sent to both antennas. Space-Time Coding (STC) was developed with the intention of mitigating this co-channel interference problem, also known as the "two antenna problem". Lab testing and preliminary flight testing of developmental and pre-production hardware has been completed and documented. This is the first test dedicated to assessing the performance of a production STC system in a real-world test environment. This paper will briefly describe lab testing that preceded the flight testing, describes the airborne and ground station configurations used during the flight test, and provides detailed results of the performance of the space time coded telemetry link as compared against a reference telemetry link.

The central objective of this work is to present an analysis of the asymptotic conformal Killing vectors in asymptotically-flat space-times of general relativity. This problem has been examined by two different methods; in Chapter 5 the asymptotic expansion technique originated by Newman and Unti [31] leads to a solution for asymptotically-flat spacetimes which admit an asymptotically shear-free congruence of null geodesics, and in Chapter 6 the conformal rescaling technique of Penrose [54] is used both to support the findings of the previous chapter and to set out a procedure for solution in the general case. It is pointed out that Penrose's conformal technique is preferable to the use of asymptotic expansion methods, since it can be established in a rigorous manner without leading to the possible convergence difficulties associated with asymptotic expansions. Since the asymptotic conformal symmetry groups of asymptotically flat space-times Are generalisations of the conformal group of Minkowski space-time we devote Chapters 3 and 4 to a study of the flat space case so that the results of later chapters may receive an interpretation in terms of familiar concepts. These chapters fulfil a second, equally important, role in establishing local isomorphisms between the Minkowski-space conformal group, 90(2,4) and SU(2,2). The SO(2,4) representation has been used by Kastrup [61] to give a physical interpretation using space-time gauge transformations. This appears as part of the survey of interpretative work in Chapter 7. The SU(2,2) representation of the conformal group has assumed a theoretical prominence in recent years. through the work of Penrose [9-11] on twistors. In Chapter 4 we establish contact with twistor ideas by showing that points in Minkowski space-time correspond to certain complex skew-symmetric rank two tensors on the SU(2,2) carrier space. These objects are, in Penrose's terminology [91, simple skew-symmetric twistors of valence [J. A particularly interesting aspect of conformal objects in space-time is explored in Chapter 8, where we extend the work of Geroch [16] on multipole moments of the Laplace equation in 3-space to the consideration. of Q tý =0 in Minkowski space-time. This development hinges upon the fact that multipole moment fields are also conformal Killing tensors. In the final chapter some elementary applications of the results of Chapters 3 and 5 are made to cosmological models which have conformal flatness or asymptotic conformal flatness. In the first class here we have 'models of the Robertson-Walker type and in the second class we have the asymptotically-Friedmann universes considered by Hawking [73].

High data rate applications are the trend in today's wireless technology. W-CDMA standard was designed to support such high data rates of up to 3.84 Mcps. The main purpose of this research was to analyze the feasibility of a fixed-point implementation of the W-CDMA downlink receiver algorithm on a general-purpose digital signal processor (StarCore SC140 by Motorola). The very large instruction word architecture of SC140 core is utilized to generate optimal implementation, to meet the real time timing requirements of the algorithm. The other main aim of this work was to study and evaluate the performance of the W-CDMA downlink structure with incorporated space-time transmit diversity. The effect of the channel estimation algorithm used was extensively studied too.

Fenomenologinė filosofija tampa galimybe atskleisti Nijolės Miliauskaitės poezijos gelmes, naujai ir esmiškai pažvelgti į jos kūrybos jutimiškumą, subjektyvumą, skirtingų kokybių susiliejimą, intensyvius intencionalius santykius. Nemažai lietuvių literatūros kritikos tyrinėta N. Miliauskaitės kūryba iki šiol nesulaukė išsamesnio fenomenologinio žvilgsnio. Analizei pasirinkti visi poetės eilėraščių rinkiniai: „Uršulės S. portretas“ (1985), „Namai, kuriuose negyvensim“ (1988), „Uždraustas įeiti kambarys“, „Širdies labirintas“ (1999) ir kūrybiškumo turintys N. Miliauskaitės laiškai rašyti buvusiai Marijampolės internato-mokyklos literatūros mokytojai Liudai Viliūnienei. Magistro darbe aprašomi charakteringiausi, poetės kūrybos fenomenus sutelkiantys tekstai. Tyrinėjamas kūrybinės sąmonės atvirumas skirtingiems vaizduotės būdamas – sapnams, svajonėms, troškimams, pasakoms, šių įsivaizduojamų tikrovių svarba kalbančiajam, poetinė fenomenologinė jų specifika. Aprašomi lyrinio subjekto patyrimo galimybes plečiantys susitikimai su daiktais, per daiktus, daiktuose. Analizuojamas erdvėlaikį formuojančio, subjektą apibūdinančio judėjimo fenomeno reikšmingumas N. Miliauskaitės kūryboje. Aprašoma fenomenologinė praeities kaip gelmės raiška poetės tekstuose, iškeliami jutimiški erdvėlaikio sutelktumą ir intensyvumą liudijantys ženklai. Tyrinėjama lyrinio „aš“ kalbinė savimonė, analizuojamas lyrinio „aš“ atvirumas rašto objektams. Fenomenų pasirodymų būdus ir prasmę aprašanti... [toliau žr. visą tekstą] / Phenomenological philosophy becomes a possibility to reveal the depths of Nijole Miliauskaite’s poetry, to have a new and essential look at her creation’s sensuality, subjectivity, coalescence of different qualities, intensive intentional relations. N. Miliauskaite’s creation was studied by many lithuanian literature reviewers, but still it did not receive more comprehensive phenomenological view. For analysis were chosen all poetess verse collections: „Uršulės S. portretas” (“A Portret of Uršule S.”) (1985), „Namai, kuriuose negyvensim“ (“A House Where We will not Live”) (1988), „Uždraustas įeiti kambarys“ (“The Forbidden Entrance Room”) (1995), „Širdies labirintas“ (“The Labyrinth of Heart”) (1999) and N. Miliauskaite’s letters to Marijampole boarding-school ex-teacher of literature Liuda Viliūnienė. In this master’s work the most characteristic texts which recruit poetess creation phenomenon are described. There is studied the openness of creative consciousness to different ways of imagination – dreams, fantasies, wishes, tales, the importance of this imaginary reality to a speaker, its poetical phenomenological specific. There is described a meeting with things, through things, in things, which expand lyrical subject’s experience possibilities. Also there is analyzed importance of moving phenomenon in N. Miliauskaite’s creation, which forms space-time and describes a subject. It is described phenomenological past as the depth expression in poetess texts, thrown up... [to full text]

This thesis develops a generic framework based on the Fourier transform for pricing and hedging of various options in equity, commodity, currency, and insurance markets. The pricing problem can be reduced to solving a partial integro-differential equation (PIDE). The Fourier Space Time-stepping (FST) framework developed in this thesis circumvents the problems associated with the existing finite difference methods by utilizing the Fourier transform to solve the PIDE. The FST framework-based methods are generic, highly efficient and rapidly convergent. The Fourier transform can be applied to the pricing PIDE to obtain a linear system of ordinary differential equations that can be solved explicitly. Solving the PIDE in Fourier space allows for the integral term to be handled efficiently and avoids the asymmetrical treatment of diffusion and integral terms, common in the finite difference schemes found in the literature. For path-independent options, prices can be obtained for a range of stock prices in one iteration of the algorithm. For exotic, path-dependent options, a time-stepping methodology is developed to handle barriers, free boundaries, and exercise policies. The thesis includes applications of the FST framework-based methods to a wide range of option pricing problems. Pricing of single- and multi-asset, European and path-dependent options under independent-increment exponential Levy stock price models, common in equity and insurance markets, can be done efficiently via the cornerstone FST method. Mean-reverting Levy spot price models, common in commodity markets, are handled by introducing a frequency transformation, which can be readily computed via scaling of the option value function. Generating stochastic volatility, to match the long-term equity options market data, and stochastic skew, observed in currency markets, is addressed by introducing a non-stationary extension of multi-dimensional Levy processes using regime-switching. Finally, codependent jumps in multi-asset models are introduced through copulas. The FST methods are computationally efficient, running in O(MN^d log_2 N) time with M time steps and N space points in each dimension on a d-dimensional grid. The methods achieve second-order convergence in space; for American options, a penalty method is used to attain second-order convergence in time. Furthermore, graphics processing units are utilized to further reduce the computational time of FST methods.

Space – time data modeling problem is analysed. Often spatial data sets are relatively small, and the points, where observations are taken, are located irregularly. When solving spatial task, usually we are interpolating or estimating the spatial average. Time series data usually are used to predict future values. Meanwhile, the space - time tasks combines both types of tasks. Few original modeling methods of spatial time series are proposed. The proposed methods firstly analyzes the univariate time series, and after removing temporal dependence, spatial dependence in the time series of residuals is measured. Aim of this dissertational work - to create time series model at new unobserved location by incorporating spatial interaction thru spatial interpolation of estimated time series parameters. Such a model is based on the spatial interpolation of time series parameters. / Disertaciniame darbe nagrinėjama erdvės – laiko duomenų modeliavimo problema. Dažnai erdvinių duomenų rinkiniai yra gana nedideli, o taškai, kuriuose pasklidę stebėjimai, išsidėstę netaisyklingai. Sprendžiant „erdvinį“ uždavinį, paprastai siekiama inerpoliuoti arba įvertinti erdvinį vidurkį. Laiko eilučių duomenys dažniausiai naudojami ateities reikšmėms prognozuoti. Tuo tarpu erdvės – laiko uždaviniai jungia abu uždavinių tipus. Pasiūlyta keletas originalių erdvinių laiko eilučių modeliavimo metodų. Siūlomi metodai pirmiausia analizuoja vienmates laiko eilutes, o pašalinus laikinę priklausomybė jose, laiko eilučių liekanoms vertinama erdvinė priklausomybė. Tikslas – sudaryti modelį, leidžiantį prognozuoti požymio reikšmę naujame, nestebėtame taške, nauju laiko momentu. Tokio modelio sudarymas remiasi laiko eilučių parametrų erdviniu interpoliavimu.

We present a new sub-optimal near-maximum-likelihood (ML) detection method for the family of variable-rate space-time block codes (VRSTBC). The proposed detection method is based on the concept of symbol reliability and provides a wide range of performance-complexity trade-offs. The reliability measures are defined with the help of a recent generic ML metric expression. The error performance and complexity analysis of the method via simulations show an achievable near-ML error performance with significant reduction in complexity. The performance of the proposed method is also compared with the group interference cancellation (GIC) method which was the detection method originally applied to VRSTBCs and the results show a significant improvement. The new method offers various levels of error protection via a simple parameter and hence can provide the users of a wireless network with different performance levels according to their cost allowance. Unequal error protection by VRSTBCs under the new detection method was explored. Several applications integrating data with different levels of sensitivity to error can benefit from the wide range of possibilities that the combination of the proposed detection method and VRSTBCs provides. To further explore these flexibilities, four practically interesting power allocation schemes were applied to the transmission and the behaviors were observed through case studies. / Thesis (Master, Electrical & Computer Engineering) -- Queen's University, 2008-09-26 23:45:07.81

This thesis develops a generic framework based on the Fourier transform for pricing and hedging of various options in equity, commodity, currency, and insurance markets. The pricing problem can be reduced to solving a partial integro-differential equation (PIDE). The Fourier Space Time-stepping (FST) framework developed in this thesis circumvents the problems associated with the existing finite difference methods by utilizing the Fourier transform to solve the PIDE. The FST framework-based methods are generic, highly efficient and rapidly convergent. The Fourier transform can be applied to the pricing PIDE to obtain a linear system of ordinary differential equations that can be solved explicitly. Solving the PIDE in Fourier space allows for the integral term to be handled efficiently and avoids the asymmetrical treatment of diffusion and integral terms, common in the finite difference schemes found in the literature. For path-independent options, prices can be obtained for a range of stock prices in one iteration of the algorithm. For exotic, path-dependent options, a time-stepping methodology is developed to handle barriers, free boundaries, and exercise policies. The thesis includes applications of the FST framework-based methods to a wide range of option pricing problems. Pricing of single- and multi-asset, European and path-dependent options under independent-increment exponential Levy stock price models, common in equity and insurance markets, can be done efficiently via the cornerstone FST method. Mean-reverting Levy spot price models, common in commodity markets, are handled by introducing a frequency transformation, which can be readily computed via scaling of the option value function. Generating stochastic volatility, to match the long-term equity options market data, and stochastic skew, observed in currency markets, is addressed by introducing a non-stationary extension of multi-dimensional Levy processes using regime-switching. Finally, codependent jumps in multi-asset models are introduced through copulas. The FST methods are computationally efficient, running in O(MN^d log_2 N) time with M time steps and N space points in each dimension on a d-dimensional grid. The methods achieve second-order convergence in space; for American options, a penalty method is used to attain second-order convergence in time. Furthermore, graphics processing units are utilized to further reduce the computational time of FST methods.