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- 1Antennas
- 1Buried object characterization
- 1Circular waveguide
- 1Circularly polarized ultra-wideband radar
- 1Dielectric constant
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Spring 2014
Time domain reflectometry has been used for fluid level measurement and characterization since the 1960's, however, there is little research present in the literature to improve the measurements by using alternate probe designs. Numerical analysis of a dielectric loaded circular waveguide probe...
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Analysis of pediatric corpulence and knee osteoarthritis using ultrawide-band (UWB) radar system
DownloadFall 2022
The ultra-wideband (UWB) radar technique has emerged as an efficient way to detect and image objects non-destructively. Widespread biomedical applications have allowed researchers across the globe to use this technique efficiently. Different tissues of the human body have different electrical...
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Spring 2012
Ultra-wideband (UWB) pulses scattered from objects contain essential information. By analyzing the scattered pulse, the objects can be located, imaged and characterized. This thesis focuses on characterizing physical and electrical properties of planar metallic and dielectric objects by analyzing...
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Design and Development of High-Power Pulse Transmitters for Underground Environmental Perception
DownloadFall 2022
The objective of this thesis is associated with designing a high-power Gaussian pulse transmitter for high-depth imaging applications. Two types of pulse transmitters are presented in this work. The former configuration is based on Step Recovery Diodes (SRDs), while the latter is based on...
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Spring 2017
A combination of frequency-modulated continuous-wave (FMCW) technology with synthetic aperture radar (SAR) principles is a highly sought after method as it leads to a compact and cost effective high resolution near distance imaging system. However, there are a few design issues associated with...
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Fall 2011
Recently, antenna designs with multi-frequency operation and multi-polarization characteristics are in great demand for future wireless systems. In the thesis, several integrated microstrip antenna designs have been proposed for wireless applications. Integrated semi-circular and triangular patch...
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Spring 2024
Ultra-wideband (UWB) radar systems have been used as sensing and imaging tools for many industrial needs, and many more applications of the technology are currently under investigation. This research attempts to solve some of the issues UWB time domain synthetic aperture radar (SAR) faces in...
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Fall 2022
The amount of mobile data handled by wireless broadband cellular networks is increasing explosively. Multiple-input multiple-output (MIMO) systems have gained a significant importance in modern wireless communication systems. MIMO offers many dimensional advantages that can be utilized to boost...
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Spring 2014
Wireless sensing find many biomedical applications due to the benefit and convenience of having no contact with the patients. Low power radio waves, that are biologically safe, can monitor the patient’s medical conditions such as the breathing and heart beat rate. Electro-magnetic (EM) waves...