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 315 for “"Multistage"”.
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Flow in Multistage Transonic Compressors
… blade rows, when the stage is embedded in a multistage machine. In the next part of the thesis the effect of the IGV-Rotor axial gap on the compressor efficiency, and the dynamic blade loading, is investigated in multistage unsteady simulations. This shows that a reduced IGV-Rotor axial …
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Modelling high speed multistage compressor stability
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1991.
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Two topics in multistage manufacturing systems
Thesis (Ph. D.)--Massachusetts Institute of Technology, Sloan School of Management, 1992.
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Decision models for multistage production planning
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1986.
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Cellular Trafficking of Single and Multistage Vectors
… report on a new drug delivery system known as a multistage system which is comprised of non-spherical, mesoporous silicon particles loaded with second stage nanoparticles. The rationally designed particle shape, the possibility to modulate the surface properties and the degree of porosity allow …
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Elbow exoskeleton mechanism for multistage poststroke rehabilitation.
… It is still difficult to facilitate multistage post-stroke rehabilitation to patients sited around hospital bed without expert intervention. To support this, a framework for elbow exoskeleton has been developed that is portable and has the potential to offer all three types of …
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On-the-fly assembled multistage adaptive testing
… such as the computerized adaptive test (CAT) and multistage tests (MST) have been widely implemented in many large scale tests. In 2000, some testing organizations uncovered some pitfalls of CAT after it was applied to large scale testing. After these instances, many testing organizations turned …
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Improved return passages for multistage centrifugal compressors
… presents a design concept for return passages in multistage centrifugal compressors. Flow in a baseline return passage is analyzed to identify loss sources that have substantial potential for reduction. For the geometry analyzed, it is found that mismatched incidence of the return vane, separation …
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Robust Implementations of the Multistage Wiener Filter
… signal processing, with specific emphasis on the multistage Wiener filter (MWF). The MWF is a generalization of the classical Wiener filter that performs a stage-by-stage decomposition based on orthogonal projections. Truncation of this decomposition produces a reduced rank filter with many …
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Fixed-Point Implementation of a Multistage Receiver
… and quantization issues in implementing a multistage receiver in fixed-point Digital Signal Processing (DSP) hardware. Current multistage receiver analysis has neglected the effects of synchronization and quantization; however, these effects can degrade system performance and therefore …
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A multistage RAKE receiver for CDMA systems
This thesis proposes a multistage RAKE receiver for use at the base station of a Code Division Multiple Access (CDMA) cellular communications system. This receiver combines the interference rejection capability of multiuser receivers with the robust performance of a RAKE receiver in the presence of …
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Self Designing Pattern Recognition System Employing Multistage Classification
Recently, pattern recognition/classification has received a considerable attention in diverse engineering fields such as biomedical imaging, speaker identification, fingerprint recognition, etc. In most of these applications, it is desirable to maintain the classification accuracy in the presence …
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Three dimensional modelling and optimisation of multistage collectors
Multistage collectors are commonly used in travelling wave tubes (TWTs), klystrons, gyrotrons and inductive output tubes (IOTs). A dc beam transfers some of its energy to the input RF wave during its travel through the interaction circuit. The purpose of a collector is to recover most of the …
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Optimization of multistage systems with nondifferentiable objective functions.
This dissertation is aimed at a class of convex dynamic optimization problems in which the transition functions are twice continuously differentiable and the stagewise objective functions are convex, although not necessarily differentiable. Two basic descent algorithms which use sequential and …
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Four Multistage Accounting Postulates in an Array Framework
Made available in DSpace on 2014-12-09T23:09:40Z (GMT). No. of bitstreams: 1 6901358.pdf: 8025474 bytes, checksum: a27257d55f5bde374a5ba4c60fbfbaea (MD5) Previous issue date: 1968
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A new approach to multistage serial inventory systems
We consider a single product multistage serial inventory system with several installations, say N - I, ... , l. Installation N - I intakes exogenous supply of a single commodity. For i E {I, ... N - 2}, installation i is supplied by shipments from installation i + 1. Demands for the finished good …
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A computational model for multistage axial compressor design
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1998.
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Integrated continuous-flow chemistry enabled by multistage separations
… of this thesis is the development of multistage liquid-liquid extraction using liquid-liquid membrane-based separators that enable highly efficient continuous extraction. While previous efforts have demonstrated a single stage or, at most, a few stages in crosscurrent configuration, …
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Investigation of mixing in a multistage axial compressor
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1990.
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Fast Multistage Compilation of Machine Learning Computation Graphs
Machine learning applications are increasingly requiring fast and more computational power. Many applications like language models have become so large that they are run on distributed systems in parallel. However, getting into the details of optimally scheduling or even just running machine …
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