The very existence of intra-word codeswitching—of the type [w ML1 + ML2]; *[eat]eng + [-iendo]Spanish —has long been a point of contention in the language mixing literature (Poplack, 1980; Myers-Scotton, 1992; MacSwan, 2005). However, recent work by Alexiadou et al (2015) and Grimstad, Lohndal & Afarli (2014) has documented a number of empirical examples of such codeswitching in an American community of Heritage Norwegian-English speakers—crucially, in these examples, the lexical elements are English lexical roots and produced using English phonological rules but the suffix (i.e. morphology) attached to the lexical items is syntactically Norwegian—a clear and unambiguous example of intra-word codeswitching. These data will be the focus of investigation into intra-word codeswitching. MacSwan (2005) has argued that intra-word codeswitching is prohibited due to the inability of the human computational system to merge hierarchically ordered phonological systems from two or more languages; a prohibition characterized in his PF Disjunction Theorem. More recently, Alexiadou et al., (2015); Grimstad, Lohndal & Afarli, (2014) have exploited a model of Distributed Morphology to challenge the PF disjunction theorem and the ban on intra-word codeswitching it entails. A central goal of this thesis will be to compare, contrast and evaluate these two models of language mixing. It will be argued that this prohibition of intra-word language mixing may be overcome by appealing to a cognitive processes perspective (Sharwood-Smith & Truscott, 2014). A MOGUL processing prospective (Sharwood-Smith & Truscott, 2014) will be used to build upon previous approaches to language mixing in order to account for intra-word codeswitching. The modular architecture adopted by MOGUL allows for a molecular view of a lexical item; each module (i.e. phonological module, syntax module, conceptual module) produces a representation for a given form which is then interfaced to neighboring modules; the result is a chain of representations (i.e. PS + SS + CS) which constitutes a lexical item. Additionally, MOGUL incorporates several extra-linguistic cognitive mechanisms which play a role in language mixing. Of particular interest are the notions of goals and cognitive context. Following Sharwood-smith & Truscott (2016), goals are the central motivators for speech and action while cognitive context is taken to be the mentally internalized representation of an individual’s current environment (Sharwood-Smith & Truscott, 2014) as well as representing various intentions, perspectives, opinions, etc., an individual has regarding their environment (Van Dijk, 1997). To situate intra-word codeswitching into a MOGUL framework, much of MacSwan’s Minimalist account will be adopted, (i.e. codeswitching is accounted for via the union of grammar X and grammar Y; formally: {Gx ᴜ Gy}) while rejecting the PF Disjunction Theorem and, instead, adopting elements of Distributed Morphology (i.e. late insertion). It will be argued that cognitive context configures various executive control process (i.e. bilingual mode) to allow for the union of phonological systems between Lx and Ly. This analysis builds upon a larger body of language mixing research by synthesizing a Minimalist account of codeswitching with a cognitive processing framework to account for intra-word codeswitching; the MOGUL framework allows for these disparate elements to be synthesized. / Graduate

Code-switching is a language-contact phenomenon in which the juxtaposition of languages is intentional and purposeful. The Kuwaiti speech community has a distinctive code-switching mechanism because of the unique sociolinguistic and cultural setting; as they code-switch to English even though they are neither an immigrant community nor are/were colonised by an English speaking country. In Kuwait, code-switching between Kuwaiti Arabic and English is very common among the youth, even though English is considered to be a foreign language. It is observed that the code-switching behaviour of Kuwaiti bilinguals attending bilingual/multilingual schools differs from that of those attending monolingual schools. In this thesis, an ethnographic study has been conducted to corroborate this observation. Both bilingual/multilingual school students and bilingual students attending monolingual schools were interviewed in order to identify the motivations behind their code-switching behaviour. The interviews were analysed sequentially by adopting the conversational analysis framework. The sequential approach (Auer 1984) focuses on a turn-by-turn participant-oriented analysis (Li Wei 1994) to seek answers to the questions of how and why bilingual speakers code-switch. Here, the different code-switching behaviours of these young Kuwaitis were investigated in an attempt to analyse the conversational functions behind them. Without exception, bilinguals in monolingual schools preferred conversing in Kuwaiti Arabic with a few one-word English insertions here and there, even though free language choice was emphasised at the beginning of each conversation. On the other hand, the language choice of bilingual school students varied from choosing Kuwaiti Arabic or English as the language of conversation to code-switching between the two languages on a continuous basis. Code-switching ranged from English insertions into Kuwaiti Arabic speech or Kuwaiti Arabic insertions into English speech to alternating between the two languages. In addition to the different code-switching styles, various conversational functions behind code-switching were also recognised. In this thesis, code-switching was treated as a contextualisation cue (Gumperz 1982), highlighting the pragmatic functions and contributing to an understanding of the intended meaning. At least five motivations behind code-switching among bilingual school students were identified in our corpus: accommodation, repair, contrastiveness, filling linguistic gaps, and floor holding, among others.

The diploma thesis aimed at the study of the topic of communication protocols and several transmission modes, as well as ARQ (Automatic Repeat Request) mechanisms. Subsequently, the task was to design and describe individual scenarios for their simulation. As a part of solving the mentioned task, it was necessary to create an application that allows the emulation of the behaviour of communication protocols without the need for a transmission in the real network a nd the requirements for the edition of the source code. The application was created in the Microsoft Visual Studio 2017 development environment using the C# programming language and .NET framework and it consists of a library and a graphical interface. The output of the solution is the application of a mode simulator of the data transmission in the network with two scenarios with the prepared input situations in the frame of graphical environment together with instructions, additional tasks and sample solutions. The program allows the simulation of the behaviour of communication protocols between the client and the server without the need for a transmission in a real network. In conclusion, the simulator of data transfer was created in the form of the desktop application which contains two scenarios. The first scenario is used to simulate ARQ mechanisms and the second one is active in the simulation of commutation of messages, circuits, packets or cells.

The goal of this thesis is to create a literature search about a rotating electrical machine with switching of magnetic flux, to explain its construction concept and its operating behavior, to create an initial concept of generator, calculate chosen construction with finite element method analysis and to compare analysis results with analytical design. To create a concept of the generator one of available designing procedures will be used.

博士（社会学） / [4], 130 p. / 一橋大学

Electromagnetic Interference (EMI) problems in switching power supplies have been traditionally treated with cut-and-try approaches. In recent years, advancement has been made to better understand the problems and minimize the cut-and-try portion of the design process. However, there are still phenomena difficult to explain in many practical design situations. Often, the problems may be solved by luck but many puzzles remain unsolved. If not fully understood, these puzzles are very likely to come back to haunt the designers. According to the conventional theory, there are two modes of noise: the Differential-Mode (DM) noise and the Common-Mode (CM) noise. Recently, a new noise-coupling mode called Non-Intrinsic Differential-Mode (NIDM) noise was uncovered accidentally in the process of explaining certain EMI filter action [1]. This phenomenon has never been thoroughly studied. The focus of the present thesis is to investigate the NIDM phenomenon and its implications to practical EMI filter design issues. The generation mechanism and basic characteristics of this phenomenon will be briefly reviewed, which is crucial to the understanding of the remaining parts of the research. Two essential diagnostic tools are introduced. One is the DM/CM noise separator and the other is the zero-span mode operation of a spectrum analyzer. The results of the investigation will be presented. The results will be presented using practical examples, which tie the phenomenon to filter design issues. In some examples, explanations are given to dispel the puzzles commonly encountered in the practice. A filter design procedure is suggested for off-line power supplies. This procedure incorporates the NIDM phenomenon into an existing design procedure. Only first-order and second-order filter topologies are included in the discussion. / Master of Science

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