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 354 for “"capacitive"”.
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A capacitive signal pickoff device
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Economics and Engineering, 1958.
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Physical Realizations of Memory Capacitive Systems
… suggested realizations is a solid-state memory capacitive (memcapacitive) system. Its operation relies on the slow polarization rate of a medium between plates of a regular capacitor. To achieve this goal, a multi-layer structure embedded in a capacitor is considered. The multi-layer structure …
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Low-noise preamplifier for capacitive sensors
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1995.
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Capacitive displacement sensing for the Nanogate
… describes the development of an integrated capacitive displacement sensor which enables nanometer precision measurement of the separation of the surfaces of the Nanogate. The work in this thesis can be divided into two parts: fabrication of a new version of the Nanogate and the development …
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Carbon nanotube electrodes for capacitive deionization
Capacitive deionization (CDI) is a desalination method where voltage is applied across high surface area carbon, adsorbing salt ions and removing them from the water stream. CDI has the potential to be more efficient than existing desalination technologies for brackish water, and more portable due …
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Capacitive sensing with a fluorescent lamp
… modified fluorescent lamp that can be used as a capacitive sensing system. The lamp sensor measures changes in the electric fields emitted from the fluorescent bulbs in order to deduce the presence and motion of conductive and dielectric objects below the lamp. The prototype lamp sensor …
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CMOS Readout Interfaces for MEMS Capacitive Microphones
… schemes for the readout interfaces of MEMS Capacitive Microphones (MCM) by presenting their detailed design descriptions and measurement results as application-specific ICs (ASIC) in CMOS technology developed to exploit their application scope in consumer electronics and hearing aids. MCMs …
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Organic fouling in membrane capacitive deionization systems
Membrane capacitive deionization (MCDI) is an emerging desalination technology that stores ions in the electrical double layer of porous electrodes. For most low-salinity water treatment technologies, fouling is a central issue, but few studies examine the its impact on MCDI. Fouling was evaluated …
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A high dynamic range capacitive displacement sensor
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1993.
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Accurate capacitive metrology for atomic force microscopy
This thesis presents accurate capacitive sensing metrology designed for a prototype atomic force microscope (AFM) originally developed in the MIT Precision Motion Control Lab. The capacitive measurements use a set of commercial capacitance sensors intended primarily for use against a flat target. …
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Capacitive transducers for narrow-band vibratory displacements
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering, 1962.
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MICROELECTRODE ARRAY FOR CAPACITIVE TRANSDUCTION OF RETINAL RESPONSES
… a prototype neural interface device based on capacitive coupling through hafnium oxide encapsulation of a novel 3D device architecture, advancing neural sensing technology toward long-term implantable neural interfaces. The functionalization of biosensors interfaced with neural tissue is …
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MULTI-CHANNEL CDMA-LIKE CAPACITIVE SENSOR INTERFACE CIRCUITS
… introduces a CDMA-like period modulation multi-capacitive-sensor interface circuit, which targets at the IoT applications. The proposed architecture can simultaneously read in 16 capacitive sensors and provide the combined 16 digitized output in one sample. By correlating 16 successive digitized …
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Simultaneous Power and Signal Transfer via Capacitive Coupling
Capacitive power transfer (CPT) technology has recently emerged as an alternative to Inductive Power Transfer (IPT) for driving electronic devices with great convenience. CPT has advantages in terms of flexible and lightweight coupling structures, less EMI (Electromagnetic Interference), and the …
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Design and Control of Capacitive Power Transfer Systems
… (EMI) can become another concern in IPT. Capacitive power transfer (CPT) technology, as a substitute transfer medium, has received considerable attention in recent years. By employing an electric field, CPT is able to deliver power through metallic obstacles. Some other features CPT enjoys …
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Capacitive Tap Weight Network Surface Acoustic Wave Transducers
Made available in DSpace on 2014-12-12T20:54:38Z (GMT). No. of bitstreams: 1 7726711.pdf: 2591568 bytes, checksum: bcd9db246fba0e37cd77aeae26d3ae40 (MD5) Previous issue date: 1977
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High-voltage wideband switching amplifier for capacitive loads
… energy to, as well as taking energy from, a capacitive load in a finely controllable, dissipationless manner. Several control schemes were investigated, and a simple version of the amplifier was then built and tested using both synchronous and asynchronous controllers. The amplifier proved to …
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Resistive damping of pulse-sensed capacitive position sensors
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1998.
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Integrated capacitive sensors using charge-redistribution sense techniques
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1992.
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Design, Modelling and Control of IRST Capacitive MEMS Microphone
… In this dissertation a deep analysis of capacitive MEMS microphone has been presented coming up with a complete model which is able to fit the experimental data of the microphone sensitivity. Furthermore, a simple noise model, able to fit the experimental data, has been developed …
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