Browsing Theses & Dissertations by Title
Now showing items 829-848 of 4082
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Design and characterization of broad band and multi-band slot ring antennas
(2004)In this thesis, the Design of Experiments technique is applied to characterize rectangular slot ring antennas in terms of their physical dimensions and relative permittivity of the substrate. Several 25 factorial designs ... -
Design and characterization of cavity-backed asymmetric annular ring slot antenna and UWB cavity-backed two-arm modified compound power-Archimedean slot spiral antenna for body centric wireless communications applications
(2015)In this thesis, two types of slot antennas are studied, designed and characterized for the purpose of achieving Ultra-wideband (UWB) capabilities when in close proximity to the human body. The antennas are first designed ... -
Design and characterization of log periodic rectangular slot ring antenna
(2008)This work studies two log-periodic rectangular slot ring antennas configurations. The first configuration is a CPW feed antenna. Return Loss ≤ - 10dB or VSWR ≤ 2 is achieve throughout 5.90 to 12.60GHz for this configuration, ... -
Design and characterization of passive wireless strain sensor
(2006)In order to predict and avoid disasters due to the structure failure, reliable strain information is necessary to be monitored in real time. Existing strain sensing technologies offer outstanding performance in terms of ... -
The design and creation of a bilingual phonemic awareness test for Puerto Rico
(2007-12)This thesis had three objectives. The first was to design and create a bilingual phonemic awareness test (BPAT) for Puerto Rico, where Spanish is a first language and English is a second language, learned primarily through ... -
Design and development of a 10khz-1mhz ac magnetic susceptomete
(2011)Development and improvement of instruments used to characterize magnetic materials is one of the most important tasks in science, which could lead to relevant studies in material science and engineering. The AC magnetic ... -
Design and development of a java-based distributed system tool for synthetic aperture radar image analysis
(2004)Image processing is used to analyze a digital image or to transform it into a new image. Different techniques for the manipulation, correction, and enhancement of digital images have been used for years. One of the main ... -
Design and development of remote Raman spectroscopy system for detection of hazardous compounds
(2012-11)Remote Raman detection has become a powerful analytical technique for detection of hazardous compounds in situ and without sample preparation at distances away from the observation site. This study describes the design, ... -
Design and implementation of a four terminal floating amplifier and its application in analog electronics
(2005)The field of analog electronics has developed and matured for the past two decades. Within this field, design of analog amplifiers has received attention due to changes in technology. Amplifier circuits, considered analog ... -
Design and implementation of a low power, low cost s-band bistatic receiver
(2012)This document summarizes the design, fabrication, and testing of an S-band receiver single node for a multistatic radar network application. The proposed receiver design established the need of low cost, low power, easy ... -
Design and implementation of a transceiver and a microstrip corporate feed for solid state x-band radar
(2005)The design of a corporate feed for an X band frequency scanned microstrip antenna array and a surface mount transceiver are presented. The power distribution generated by the corporate feed network is based on a Taylor ... -
A design and implementation of an electronic physician orders entry system
(2005)The main objective of this project is to design and implement a physician order entry application for an electronic patient record system applying usability concepts. This application can improve the quality of care for ... -
Design and manufacture of a linear fresnel reflector prototype for coffee drying applications in Puerto Rico
(2014)The need and desire to use renewable, sustainable, and efficient energy have led to increased research in this field as the long term consequences of not doing so will affect the environment. As an alternative to drying ... -
Design and mechanical characterization of a magnetocaloric pump
(2007)In this thesis, a Magnetocaloric Pump (MCP) able to convert heat into power by using the magnetocaloric effect is studied and designed. The actual pressure head is compared with the simplified Bernoulli equation for magnetic ... -
Design and simulations of an integrated 9.41 ghz 24 channels phased array synchronization by phase locked loop for dual polarized doppler solid state radar for casa student test bed
(2012)The design and simulations of an integrated 9.41 GHz- 24 channel passed array synchronization by phase looked loop for dual polarized Doppler solid-state radar for the CASA student Test Bed is presented in this thesis. The ... -
Design fundamentals of plasmonic substrates for surface-enhanced Raman Scattering Applications
(2019-05-13)The use of nanomachining methods capable of reproducible construction of nano-arrayed devices have revolutionized the field of plasmonic sensing through the introduction of rationally engineered designs. Significant strives ... -
Design methodology for resource efficient implementation of fast fourier transform cores on field programmable gate arrays
(2012)This thesis presents an efficient methodology for the hardware implementation of the Pease Fast Fourier Transform (FFT) radix-2 algorithm, in which, structural regularity from the Kronecker formulation is exploited to ... -
Design of a compressed sensing system for hyper spectral imaging
(2014)The advent of single pixel imaging brings the promise of lower sensor costs and higher efficiency by implementing spatial compression at the same time the image is sensed. This is achieved with the use compressed sensing ... -
Design of a continuous bio-electrochemical reactor system for enhancement of wastewater treatment
(2023-01-12)A wastewater recycling system with enhanced efficiencies is needed to satisfy the water need for places suffering from water scarcity and in a closed loop environment required by NASA's Environmental Control and Life Support ... -
Design of a custom cpu architecture for a pacemaker application
(2009)Dual-chamber pacemakers have shown many advantages in the treatment of bradarrhythmia, but their power consumption is high when compared with single-chamber devices. This research presents a custom Central Process Unit ...