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 2558 for “"Detector"”.
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Ore level detector
It was the objective of this project to design and build a transmitter/receiver unit that indicates when the ore level in a vertical ore chute falls below the level of the signal path. The design was commissioned by De Beers Consolidated Mines to be implemented in South Africa's largest diamond …
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Microprocessor controlled mildew detector
Downy Mildew is a vineyard disease which has cost the Economy tens of millions of rand in terms of both harvest loss and pest control measures. However, the weather conditions conducive to an outbreak of the disease have been well researched, thus it should be possible to monitor these in the …
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Multi-channel QRS detector
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.
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Diboson physics with CMS detector
… collision with the Compact Muon Solenoid (CMS) detector at Large Hadron Collider (LHC). A study of Z+gamma process is performed on the data collected by the CMS during 2011 and corresponding to integrated luminosity L= 5 fb[superscript]-1. The study consists of two parts: cross section …
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Analysis of an Antineutrino Detector
… a 650 kg mobile, surface-level antineutrino detector, called CHANDLER. CHANDLER detects antineutrinos through inverse beta decay (IBD), using a highly segmented array of plastic scintillator segments to identify the positron through topology, and sheets of lithium-doped zinc sulfide to …
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Detector Characterization for Advanced LIGO
… waves.</p> <p>Studies of the quality of the detector data yield insights into the cause of instrumental</p> <p>artifacts and data quality vetoes specific to a search are produced to mitigate the</p> <p>effects of problematic data.</p> <p>This dissertation provides an overview of the methods …
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A global lightning transients detector
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.
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Photographic detector for thermal neutrons
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Physics, 1961.
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Development of energy compensated Geiger Muller detector based on the T2416A Canberra Co. GM detector
… been designing and manufacturing Geiger Muller detectors in various designs for radiation monitoring and field characterization. However, these devices have a draw back when it comes to radiation activity measurements due to the over response of the detector in low energy range i.e., 20 - 250 …
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Prototype Design for Thermoacoustic Flashover Detector
The thermoacoustic flashover detector integrates the phenomenon of thermoacoustics into a fire fighting application. This report presents the prototype design for the thermoacoustic flashover detector to ultimately be implemented in a firefighter's gear. Upon increases in compartment fire heat flux …
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Synthesizing a motion detector from examples
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Brain and Cognitive Sciences, 1989.
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Failure detector for Somersault distributed system
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1995.
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Attack development for intrusion detector evaluation
An important goal of the 1999 DARPA Intrusion Detection Evaluation was to promote the development of intrusion detection systems that can detect new attacks. This thesis describes UNIX attacks developed for the 1999 DARPA Evaluation. Some attacks were new in 1999 and others were stealthy versions …
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The three-state-polarity-coincidence correlation detector
… in detail. A criterion is devised to compare two detectors. Comparisons are made between the PCC' and several other types of detectors. The superiority of the PCC' in the detection of a weak signal embedded in an additive noise over the PCC and other detectors is demonstrated. It is shown, …
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A search for a new phonon detector
… development of a tunable monochromatic phonon detector for use in experiments investigating the transmission of phonons (v > 10 GHz) through 4He at T S 0.1 K and 0 < P < 24 bars is described. The technique studied was the use of a magnetically tuned spin 1/2 system whose change in magnetization …
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