Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 13 of 13 for “"Phase-domain"”.
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Phase domain modelling and simulation of large-scale power systems with VSC-based FACTS equipment
… available for planning and operation of multiphase power systems are based upon the assumption that the network operates under perfectly balanced conditions. The advantage of this assumption from the modelling view point is that only one phase of the three phase system needs to be considered …
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Simulation of phase domain breakup and coalescence in strong shear and transient flows using lattice-Boltzmann method
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1998.
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Design of fully digital inductors for low bandwidth filter applications
… we present a digital inductor based on time-domain signal processing. This approach uses the phase-domain theory that is well-known and understood in the fields of clocking and serial links and applies it to analog circuit design. By using a ring oscillator to integrate the input voltage and …
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Time domain chromatic dispersion measurements in single mode optical fibers
A time domain chromatic dispersion measurement system for single-mode optical fibers is presented for easy measurements in both the laboratory and the field. This technique uses a relative group delay of a band of light at slightly different wavelengths from a single pulsed laser diode to determine …
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Percolation and nanosecond fluctuators in V2O3 films within the metal-insulator transition
… rhombohedral, paramagnetic, metallic phase. In thin films, due to strain, the transition takes place over a finite temperature range of phase coexistence. Resistive noise measured through electronic transport is a probe of percolation and the fluctuating dynamics of the two-phase …
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Repetition avoidance in human language
… features in certain configurations within a phase domain. I document categorical effects of it in Semitic syntax of possession and relativization. These elicit repair strategies superficially similar to those of phonology (specifically, deletion and epenthesis/insertion). Repetition effects, …
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Characterisation Of The Blazhko Effect In RR Lyrae Stars Using SuperWASP Data
… is investigated in temporal, frequency and phase spaces. A catalogue of 4963 RRab class RR Lyrae objects was created through the classification of phase-folded light curves. Blazhko periods were calculated for 18 out of 20 highly modulated objects by phase-folding the amplitude modulation …
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The Dynamics of Phase Separation and Structure Formation in Phase Inversion
Studies of phase inversion are presented, the process by which a cast polymer solution is converted into a porous, polymer gel by either thermal or nonsolvent quenching. In all three of the studies presented in this thesis, in-situ optical techniques have been used to study the dynamics of phase …
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(implicit) Argument Introduction, Voice And Causatives
… DP, which is separated from its licensor by a phase domain and needs to Ā-move to be (Case)-licensed.
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Loss of synchrony in an inhibitory network of type-I oscillators
… it is known that strong coupling can destabilize phase-locked firing. Here we examine the loss of synchrony caused by an increase in inhibitory coupling in networks of type-I Morris-Lecar model oscillators, which is characterized by a period-doubling cascade and leads to mode-locked states with …
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Microporous polymeric membranes via melt processing
… glass transition temperature (T_g) of the minor phase. Crazing structure is initiated during the post-step treatments. The dimensions of the crazes are then enlarged by a series of stretching processes that comprise consecutive steps of cold stretching followed by hot stretching. Rates of craze …
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Energy-efficient data converter design in scaled CMOS technology
… also presents the design of an incremental time-domain two-step CDC. Unlike the classic two-step CDC, this work replaces the OTA-based active-RC integrator with a VCO-based integrator and performs time domain (TD) ΔΣ modulation. The VCO is mostly digital and consumes low power. Featuring the …
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Digital enhancement techniques for fractional-N frequency synthesizers
… first part of this work, a digital fractional-N phase locked loop (FNPLL) that employs a high resolution time-to-digital converter (TDC) and a truly ΔΣ fractional divider to achieve low in-band noise with a wide bandwidth is presented. The fractional divider employs a digital-to-time converter …