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 259 for “"Custom-Built"”.
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Custom built atomic force microscope for nitrogen-vacancy diamond magnetometry
… Atomic Force Microscopy (AFM) is described. A custom AFM was built that allows optical monitoring of the cantilever tip and collection of fluorescence with a high-NA objective from the same side. The AFM has a large open bottom and top and thus provides dual optical access. The motion of the …
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Modeling and Control of the UGV Argo J5 with a Custom-Built Landing Platform
… the Argo J5 Unmanned Ground Vehicle (UGV) with a custom-built landing platform. The overall model is derived by combining the Argo J5 driveline system with the wheelsterrain interaction (using terramechanics theory and mobile robot kinetics), while the landing platform model follows the …
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Ultrasound Microscope with Arbitrary Coded Broadband High Frequency Signal
… an Atmel microcontroller. The preamplifier is a custom built low noise preamplifier (3.3 dB noise figure) with broadband, 0.01 - 1.2 GHz. Originally the components was developed for wireless networking. We performed electric tests on our devices with several signals whose frequency range was 0.1 …
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Interlaced Frames
… These beams are placed according to a single, custom-built "generator" element and then clad using as few custom shapes as possible. In many cases, the generator element is the ridge beam of the roof - but it is not always part of the permanent construction.
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Delivering real-time holographic video content with off-the-shelf PC hardware
… 3000G video card. It replaces a SGI Onyx and the custom built Cheops Image Processing System that previously served as the platform driving the MIT second-generation Holovideo display. With a prototype content generation implementation, we compute holographic stereograms and update the display at …
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Visualising convective heat transfer in a propagating wildland fire
… Parallel experimental studies employed a custom-built controllable flow sand burner, a custom-built wind tunnel, and advanced optical diagnostic techniques, including Retroreflective Shadowgraphy (RS) and Background Oriented Schlieren (BOS), to visualise and quantify heat transfer …
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Integrated DNA extraction and amplification on a microfluidic device
… resulting from DNA polymerase adsorption. A custom-built microwave heating system was also evaluated, which was capable of heating and cooling rates of 65degC/second and 58degC/second, respectively.EOP was used in the generation of an integrated microfluidic device, for DNA extraction and …
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A Hybrid Adaptive and Robust Control Methodology With Application to Active Vibration Isolation
… approach, are proposed and implemented in a custom-built multiple degree-of-freedom active vibration isolation testbed. These approaches circumvent the fundamental bandwidth limitations associated with traditional force-control approaches, and significantly improve vibration isolation …
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Chemical and biological sensors based on organic semiconductors
… performance. Fabricated devices were tested in custom built experimental setups in microfluidic testing chambers using automatic data measurement. Surface functionalization of device surface using self assembled monolayer techniques was employed for experiments that required specificity towards …
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Optical Properties of Novel Materials
… physical design, and characterization of a custom built magneto-optical spectroscopy apparatus. The second half of the thesis discusses the experimental results of a comprehensive spectroscopic study of Topological Insulators and thermoelectric Pb
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Monitoring and regulating cyanobacterial metabolites (microcystins and geosmin) in aquatic systems.
… Acid Orange 74, and trichloroethylene) and in a custom built reactor using light emitting diodes as source of irradiation. The monitoring and regulation of cyanobacterial taste and odour compounds, especially geosmin and 2- methylisoborneol is important in the potable water and aquaculture …
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The processing and interpretation of feedback by PhD candidates
… providing data over a six month period using a custom-built Internet-interfaced database. Each candidate completed a self-concept test both at the beginning and again at the end of this period. In between, they completed an 'e-diary' in which they recorded data about every feedback interaction …
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Strawberry Detection Under Various Harvestation Stages
… Networks (CNN) were implemented on a limited custom-built dataset. The methodologies were compared in terms of accuracy and computational efficiency. Computational efficiency is defined in terms of image resolution as testing on a smaller dimensional image is much quicker than larger …
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Economics of composite material manufacturing equipment
… new or are fairly costly and specified to the customers need, much of the equipment is custom made to meet the requirements of the part being produced. Current pricing information for individual custom-built machines, as well as standard machinery has been provided here.
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On the development of a low-cost lithographic interferometer
… construction of a spatial filter. The resulting custom-built interference lithography tool is able to print large-area (~ cm2 ) periodic patterns. The tool has a small footprint (~0.2 M2 ) and can be assembled for less than 6000 USD.
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Efficacy of frequent, secure, automated testing on student academic performance
… 2014. Additionally, it was shown that the use of custom-built tools on PrairieLearn in enabling testing of Programming Languages-related concepts did not adversely affect and in some cases, statistically significantly increased student grades.
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Technology-assisted coaching : a system for Children's literacy learning
… through our digital coaching platform. Using custom-built digital tools, coaches engage in four core coaching practices.
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An evaluation of the manipulation of color in alternative color spaces
… was a color-manipulation device using LEDs, custom-built in the Displays and Controls Laboratory at Virginia Tech. The device allows for 12-bit resolution on each color channel and higher stability of luminance and chrominance over the short and long term than can be achieved with …
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Characterization of on-orbit robotic assembly
… involve humans-in-the-loop and use large custom-built robotic arms designed to service existing modules. The concept of on-orbit robotic assembly of modularized CubeSat components supports use cases such as rapidly placing failed nodes within a constellation of satellites and monitoring …
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Automated Visual Inspection of Lace Using Machine Vision
… was ultimately implemented on a fast PC with custom built frame store, and its operation was successfully demonstrated in real time, on-line in a factory. With a 2048 element CCD camera this covered only Im of the 3.3m width of the lace, but was shown to detect all kinds of defect with less …
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