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Now showing items 61-80 of 92
A MEMS based Coulter counter for cell sizing
(University of Missouri--Columbia, 2007)
Detection and classification of cells forms an important aspect of medical research in diagnosing diseases and finding remedies at the cellular level. Miniaturized cell detecting devices are desirable not only for on site ...
Improved contact design for the SiC photo-switch used in high power applications
(University of Missouri--Columbia, 2007)
Silicon Carbide (SiC) has a bulk dielectric strength of 3000 kV/cm, thermal conductivity of 4.9 W/(cm-K), and high tensile strength. It is considered the most promising photo-switching material that can enable the fielding ...
A biologically inspired optical flow system for motion detection and object identification
(University of Missouri--Columbia, 2007)
Optical flow is possibly the best known method for motion segmentation. However its application is restricted to offline processing as it requires extensive computational resources and time. This thesis explores an optical ...
Flashover prevention on polystyrene high voltage insulators in a vacuum
(University of Missouri--Columbia, 2007)
Increasing performance of vacuum insulator barriers is a common goal in large pulsed power systems. Insulator performance is continually being improved while new methods are developed. Triple point shielding techniques ...
Collision free path planning algorithms for robot navigation problem
(University of Missouri--Columbia, 2007)
Path planning problem, including maze navigation is a challenging topic in robotics. Indeed, a significant amount of research has been devoted to this problem in recent years. Genetic algorithm is a popular approach that ...
The spatial cross-correlation coefficient as an ultrasonic detection statistic
(University of Missouri--Columbia, 2007)
In ultrasonics, image formation and detection are most commonly based on signal amplitude. Matched filtering is an amplitude independent approach, but requires accurate template estimation. In this work, we introduce the ...
Runtime and jitter of a laser triggered gas switch
(University of Missouri--Columbia, 2008)
The University of Missouri has studied parameters affecting the runtime and jitter of a laser triggered gas switch. Experiments tested a variety of switch parameters including percentage of self-break and charge voltage. ...
Single carrier frequency domain equalization for broadband wireless communications
(University of Missouri--Columbia, 2007)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] This thesis discusses different channel estimation techniques, channel equalization and various diversity schemes for broadband wireless communication ...
Processing of photosensitive PDMS for biosensing
(University of Missouri--Columbia, 2007)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] The processing of photosensitive PDMS for applications in biosensing has been discussed in this thesis. Identification and quantitative analysis of ...
Low loss film bulk acoustic resonator in liquid environments
(University of Missouri--Columbia, 2008)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] A film bulk acoustic resonator (FBAR) is an acoustic resonator mass sensor using the resonance of longitudinal or shears acoustic waves. There is a ...
The development of electrohydraulic steering control system for off-road vehicle automatic guidance
(University of Missouri--Columbia, 2007)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] The researches in this thesis focus on the development of computer controlled electrohydraulic steering control system for off-road vehicle automatic ...
Ex situ variable angle spectroscopic ellipsometry studies on chemical vapor deposited boron-doped diamond films : layered structure and modeling aspects
(University of Missouri--Columbia, 2008)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] Diamond possesses several outstanding physical properties (mechanical hardness, thermal conductivity, chemical inertness and high index of refraction) ...
Thermal management in GaAs/AlGaAs laser diode structures
(University of Missouri--Columbia, 2007)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Due to the advancement of nanotechnology, understanding the heat transport mechanism in nano-scale devices has become a crucial factor in describing ...
Improving performance for adaptive filtering with voice applications
(University of Missouri--Columbia, 2007)
[ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] Adaptive filtering is a common solution to many signal processing applications in which the environments are time varying. Its performance is limited ...
Compact power conditioning and RF systems for a high power RF source
(University of Missouri--Columbia, 2008)
As part of the University Consortium for High Power Microwave (HPM) Integration, compact power conditioning and RF systems were investigated with a maximum diameter of 15.24 cm. A simulator of a flux compression generator ...
On the simulations of correlated nakagami-m fading channels using sum-of-sinusoids method
(University of Missouri--Columbia, 2006)
This research work discusses the generation of Nakagami-m fading samples from sum-of-sinusoids method in which Nakagami process is generated by taking square root of Gamma process. Gamma process itself can be realized using ...
Techniques for improving landmine detection using ground penetrating radar
(University of Missouri--Columbia, 2006)
Improving the probability of detection of landmines is a challenging task for many scientists all around the world. The goal of this research is to be a part of this challenging work to investigate techniques for landmine ...
Deposition and characterization of high permittivity thin-film dielectrics
(University of Missouri--Columbia, 2006)
As integrated circuit (IC) devices scale to ever smaller nodes, replacing the front end dielectric has become a primary challenge. To enable greater device densities, control power consumption, and enhance performance, a ...
Fuse holder damage investigation
(University of Missouri--Columbia, 2006)
The explosion of fuse holders at a certain 161 kV: 34.5 kV Ameren UE substation in the Potosi area was investigated. The Alternative Transients Program -Electromagnetic Transients Program (ATP-EMTP) was used to model and ...
Development of a gigawatt repetitive pulse modulator and high-pressure switch test stand and results from high-pressure switch tests
(University of Missouri--Columbia, 2006)
The research described in this thesis documents the efforts in developing repetitively pulsed, high-pressure oil switch technology. A high-pressure oil switch has been designed and optimized for lifetime operation to more ...