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 20 of 4964 for “"Loop"”.
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mKdV Loop Travelling Waves and Interactions of Loop Solitons
… This study focuses on mKdV curve motions called loop solutions. One class arises from soliton, heavy-tail (rational), and periodic solutions of the mKdV equation. These loop solutions exhibit intriguing symmetrical shapes: the soliton and heavy-tail cases describe a single loop which is open, and …
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Control loop performance
Control loop monitoring provides the opportunity to maintain high process performance. In this thesis, the regulation performance of a process is monitored by examining the time delay, static input-output relation, and the minimum achievable output variance of the process. The time delay estimate …
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Open loop and closed loop cup forming of aluminum sheet metals
Thesis (Mech. E.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1994.
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A Fully Diff�erential Phase-Locked Loop With Reduced Loop Bandwidth Variation
Phase-Locked Loops (PLLs) are essential building blocks to wireless communications as they are responsible for implementing the frequency synthesizer within a wireless transceiver. In order to maintain the rapid pace of development thus far seen in wireless technology, the PLL must develop …
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Log-Periodic Loop Antennas
The Log-Periodic Loop Antenna with Ground Reflector (LPLA-GR) is investigated as a new type of antenna, which provides wide bandwidth, broad beamwidth, and high gain. This antenna has smaller transverse dimensions (by a factor of 2/pi) than a log-periodic dipole antenna with comparable radiation …
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Development of a T-Loop Assay to Investigate T-Loop Dynamics and Structure
… critical in maintaining genomic stability. T-loops, formed by the 3’ overhang inserting into the double strand region of the telomere, are thought to protect the ends from being recognized as double-strand breaks. An almost universal marker for cancer, telomerase, is a promising therapeutic …
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Open Loop System Identificaiton of a Micro Quadrotor Helicopter from Closed Loop Data
… determine the bare airframe dynamics of a closed loop system, the feedback gains must be turned down as low as possible so as to not distort the natural response. Then the bare airframe dynamics can be calculated from the identified closed loop dynamics if the feedback gains and control law are …
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Loop Scheduling for Multithreaded Processors
… highly optimized superblock-based schedules on loops with unpredictable branches. We also obtained a speedup of up to 15% on perl, a highly sequential SPEC95 benchmark, utilizing task-level speculation in an attempt to increase the available instruction-level parallelism.
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Realization of Loop-Resistance Matrices
Made available in DSpace on 2014-12-04T21:03:14Z (GMT). No. of bitstreams: 1 6001692.pdf: 2362967 bytes, checksum: 77ba6b5606b20ededb0cd15553cf5572 (MD5) Previous issue date: 1960
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Closed-loop network anomaly detection
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-03-01 without embargo terms
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Genome organization by loop extrusion
… presents a detailed analysis of the recent "loop extrusion" hypothesis of the SMC action. This hypothesis postulates that, upon binding to chromosomes, SMCs progressively bridge sites that are further away along the chromosome, thus extruding a loop. The collective action of loop extruding …
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Quantitative Topology of Loop Space
… investigate how the size of a cycle in the based loop space of a simply connected Riemannian manifold controls its topology. Analogous to Gromov’s notion of distortion of higher homotopy groups of underlying Riemannian manifold, we define notions of distortion for (co)homology classes in the loop …
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Open-loop and closed-loop trailing-edge separation control on a natural laminar flow airfoil
… at the different flow control settings. A closed loop controller was developed to vary the actuation parameters in-situ using sensory feedback from the unsteady surface pressure measurements. Adaptive modal decomposition methods were used to identify the frequencies of natural instabilities in the …
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Phase-locked loop, delay-locked loop, and linear decorrelating detector for asynchronous multirate DS-CDMA system
… and code tracking of a digital phase-locked loop (PLL) and delay-locked loop (DLL), respectively, is investigated in wideband asynchronous multirate DS-CDMA system. Dynamic Partial Correlation (DPC) method is proposed to evaluate the autocorrelation and its power spectrum density (PSD) of the …
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Coupling matter to loop quantum gravity
… die Vorhersagen solcher Effekte im Rahmen der Loop-Quantengravitation verwendet werden können. Dazu wird als Modellsystem ein skalares Feld, gekoppelt an das Gravitationsfeld, betrachtet. Zunächst wird unter bestimmten Annahmen über die Dynamik des gekoppelten Systems eine Quantentheorie für …
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The Methodology of Loop Quantum Gravity
… of the quantization method used to formulate Loop Quantum Gravity, a proposed quantum theory of gravity developed in recent years from the quantization of General Relativity in connection variables. Loop Quantum Gravity is known to have the property of background independence in contrary to …
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