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 849 for “"non-uniform"”.
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Reconstruction from non-uniform samples
… reconstruction of a band-limited signal from its non-uniform samples involves the use of Lagrange interpolation, which is impractical to implement as it is computationally difficult. This thesis develops approximate reconstruction methods based on time-warping to obtain reconstruction of …
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AGRICULTURAL SPRAYS IN NON-UNIFORM CROSS-FLOW
The size and velocity characteristics of droplets in agricultural sprays generated from two flat fan nozzles were studied in a wind tunnel using a Phase-Doppler Particle Analyzer. A sheared cross flow pattern, having lower velocities near the wind tunnel floor and increasing velocities with …
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Non-uniform time-scale modification of speech
Thesis (Elec.E)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1980.
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Longitudinal dispersion in non-uniform porous media
Thesis: M.S., Massachusetts Institute of Technology, Department of Civil Engineering, 1964
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Experimental investigation of non-uniform flow past propellers
An experimental investigation of non-uniform flow past a 1.615 foot, 3-bladed propeller was conducted in the Virginia Tech 6 foot by 6 foot Stability Wind Tunnel. The free stream velocity was 44.5 ft/sec and the propeller rpm 1400. A screen disk consisting of two circular meshes, one 15 inches in …
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Long Waves In Channels Of Non-Uniform Cross-Section
… is, therefore, adequate for describing weakly-nonlinear and weakly-dispersive waves along a channel of arbitrary non-uniform crosssection. More specifically, the new model has the following new capabilities: i) The arbitrary channel cross-section can be asymmetric with respect to the direction …
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Scheduling Non-Uniform Traffic in a Packet Switching System
Flexible non-uniform traffic models are important for the analysis of integrated data networks carrying diverse classes of data. In this thesis, a new model of non-uniform traffic is introduced for a single-hop packet switching system. This traffic model allows arbitrary traffic streams subject …
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Microwave gaseous discharge in the non-uniform field region
Thesis (B.S.) Massachusetts Institute of Technology. Dept. of Physics, 1950.
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Non-uniform emission studies of a magnetron injection gun
… simulation of the effects of azimuthal emission non-uniformity of a 96 kV, 40 amp magnetron injection gun (MIG) used in a gyrotron. The accomplishments of this thesis include: Experimental measurement of the azimuthal emission non-uniformity of the MIG gun; Simulation of the beam quality of the …
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Intersection and filleting of non-uniform B-spline surfaces
… Hermite surface data of aircraft models to the non-uniform hi-cubic B-Spline surface representation is addressed. The topics discussed in this thesis include the design and development of an interactive graphics user interface, the design and coding of an intersection method for non-uniform …
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Stresses in Thin Cylindrical Shells With Non-Uniform Circumferential Lineloads
Made available in DSpace on 2014-12-10T17:25:40Z (GMT). No. of bitstreams: 1 6801870.pdf: 1549305 bytes, checksum: 6e88d6766b8de19c5aaeeb36869a3a5b (MD5) Previous issue date: 1967
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Design optimization of parabolic arches subject to non-uniform loads
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2000.
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Ferrohydrodynamic flows in uniform and non-uniform rotating magnetic fields
… thesis studies ferrofluid ferrohydrodynamics in uniform and non-uniform rotating magnetic fields through modeling and measurements of ferrofluid torque and spin-up flow profiles. To characterize the water-based and oil-based ferrofluids used in the experiments, measurements were made of the mass …
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Laterally non-uniform doping profiles on MOSFETs : modeling and analysis
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.
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Application of non-uniform sampling techniques to digital filter synthesis
An investigation of the non-uniform sampling technique as applied to digital filter designs will be made. The objective of the design is to reduce the interference problems as one would· encounter in using uniform sampling technique in the synthesis. An analysis of the error function which measures …
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Skinning engineering models with non-uniform, hierarchical B-spline surfaces
… represent the skin of an engineering model with non-uniform, hierarchical B-spline surfaces. Non-uniform, hierarchical B-splines offer the mechanical designer many advantages: parametrically defined components may be added to a surface while maintaining C² surface continuity; detailed features …
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Non-Uniform Copper Corrosion in Potable Water: Theory and Practice
… long been known that water flow can influence non-uniform corrosion of copper pipe (Rushing 2002, Marshall 2004), it has never previously been considered a primary contributor to the problem. This work is the first to describe a fundamentally important phenomenon in aqueous non-uniform …
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Filleting of aircraft components using non-uniform B-spline surfaces
Conceptual and preliminary aircraft design codes have different geometry requirements. Conceptual design codes use component based models, while preliminary design codes require a more complete and integrated geometry. An automatic procedure to convert between the two types of models would prevent …
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