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.
Results
Showing 1 to 20 of 2237 for “"switch"”.
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An optical switch.
Thesis. 1975. B.S.--Massachusetts Institute of Technology. Dept. of Electrical Engineering and Computer Science.
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Sixteen-pole programmable synchronous switch
A new microprocessor based synchronous switch has been developed at Virginia Tech as an improvement on the customary solid state electronic or mechanical switch. The author designed and built a 16-pole synchronous switch using a 16 bit microprocessor to provide programmable control on both the …
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Switch capacitor filter design aids
Two aids for the design of switched-capacitor filters (SCFs) are examined: breadboard modelling and computer simulations. A breadbroad was constructed based upon the same passive prototype of a seventh-order integrated filter. The breadboard met the original design specifications better than the …
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A counterpulsed, solid-state opening switch
… A solid-state device in a counterpulsed opening switch configuration is a possible solution. A demonstration counterpulsed solid-state opening switch was constructed and successfully tested. This circuit consisted of Silicon Controlled Rectifier components, which can nominally only turn on …
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Functional abstraction in switch-level simulation
Switch-level simulation has become an indispensable tool in the verification of large MOS circuits. In this dissertation, a new approach to switch-level simulation is proposed. The presented approach is based on the observation that most switch-level phenomena, such as bidirectional signal flow, …
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Clause chaining, switch reference and coordination
… a constellation of phenomena that revolve around switch reference and coordination, drawing mainly on their instantiation in Kisedje (Je, Brazil). I start by investigating Klsedje's case system. In this language there is a case split along the finite/non-finite axis. I argue that nominative is …
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The dynamics of enzymatic switch cascades
… protein kinase (MAPK) multi-step enzymatic switching cascade, a highly conserved architecture utilised in cellular signal transduction. In treating the equations of motion, we replace the usual deterministic differential equation formalism with stochastic equations to accurately model the …
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Tracking switch fluid policies : bounding lookahead
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2002.
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Formally Verifying a Programmable Network Switch
Programmable network switches are complex pieces of hardware that leverage nonobvious optimizations such as pipelining to offer flexible configuration interfaces. In this thesis, we propose a novel formal-verification methodology aimed at establishing strong correctness theorems for synthesizable …
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The development of relay and switch circuits
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering, 1942.
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The Arctic switch fabric control interface system
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.
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A multiple secretary problem with switch costs
… selection rule for the secretary problem with switch costs, in which a known number of applicants appear sequentially in a random order, and the objective is to maximize the sum of the qualities of all hired secretaries over all time. It is assumed that the quality of each applicant is …
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Parallel hardware accelerated switch level fault simulation
Switch level faults, as opposed to traditional gate level faults, can more accurately model physical faults found in an integrated circuit. However, existing fault simulation techniques have a worst-case computational complexity of O(n²), where n is the number of devices in the circuit. This paper …
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Development of a spring-less RF MEMS switch
… the development of a novel 77GHz low loss MEMS switch with a mechanically unrestrained armature, over a RF transmitting coplanar waveguide. Electrostatic actuation is used during the switching operation. The attractive force from the electrostatic field is generated by a pair of the actuation …
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Linear Operation of Switch-Mode Outphasing Power Amplifiers
… specifically examining the role of switch-mode power amplifiers in macro cell scenarios. Our research focuses on the mechanisms within outphasing power amplifiers which prevent linear amplification. From the analysis it was clear that high power non-linear effects are correctable …
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Optimization of Nonlinear Switch Cells for Switching Converters
<p>Switch cells consist of an array of power switches and passive components which can replace the main switches alone in many power topologies, allowing reduced switching loss without altering the power topology directly. This thesis discusses the development of a switch cell topology that …
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Switch-Level Timing Simulation of Mos Vlsi Circuits
… (MOS) transistors. Such tools are called switch-level timing simulators and they provide adequate information on the performance of the circuits with a reasonable expenditure of computation time even for very large circuits. The algorithms presented in this thesis can handle only n-channel …
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Photoresolvable compounds: Towards a chiroptical-liquid crystalline switch
… capable of high storage densities and high switching rates. There has been ample effort in bringing this miniaturization to the molecular level, i.e. the design of molecular switches. The possibility of using photons to address a switch at an specific site in a volume has motivated research …
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