Search Results - "Arumugam, Darmindra D."

Magnetic Field-Based Positioning Systems by Pasku, Valter, De Angelis, Alessio, De Angelis, Guido, Arumugam, Darmindra D., Dionigi, Marco, Carbone, Paolo, Moschitta, Antonio, Ricketts, David S.

“…This paper provides an introductory survey on the various systems that exploit magnetic fields for positioning. Such systems find applications in those…”
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Can Airborne Ground Penetrating Radars Explore Groundwater in Hyper-Arid Regions? by Beauchamp, Robert M., Arumugam, Darmindra D., Burgin, Mariko S., Bush, Jack D., Khazendar, Ala, Gim, Yonggyu, Almorqi, Sultan, Almalki, Majed, Almutairi, Yasir A., Alsama, Ali A., Alanezi, Abdulrahman G.

“…Groundwater provides roughly 43% of the water used globally for irrigated agriculture. Understanding, predicting, and managing the environmental processes that…”
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Single-Anchor 2-D Magnetoquasistatic Position Sensing for Short to Long Ranges Above Ground by Arumugam, Darmindra D.

“…Recent developments in long-range magnetoquasistatic position sensing have enabled the decoupling of one-dimensional (1-D) range and orientation of the mobile…”
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Long-Range Through-the-Wall Magnetoquasistatic Coupling and Application to Indoor Position Sensing by Arumugam, Darmindra D., Littlewood, Peter, Peng, Nicholas, Mishra, Divyam

“…The magnetoquasistatic (MQS) field coupling theory is presented for long ranges between a transmitting device located outdoor to a receiving device located…”
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Counter-Wound Normal-Mode Helical Antenna as an Electrically Small Electro-Quasi-Static Exciter by Bush, Jack D., Arumugam, Darmindra D., Feyissa, Brook

“…An electrically small electro-quasi-static exciter is demonstrated using a counter-wound normal-mode helical antenna. The arms are counter-rotated to cancel…”
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Long Range Passive UHF RFID System Using HVAC Ducts by Nikitin, Pavel V., Arumugam, Darmindra D., Chabalko, Matthew J., Henty, Benjamin E., Stancil, Daniel D.

“…In this paper, the use of hollow metal heating, ventilating, and air-conditioning (HVAC) ducts as a potential communication channel between passive…”
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Electric Field Pattern Measurements of Acoustically Driven Piezoelectric Field Emitters by Nagaraja, Srinivas Prasad Mysore, Feyissa, Brook, Wilson, Tristan A., Bush, Jack, Arumugam, Darmindra D.

“…Piezoelectric transmitters operating at acoustical resonance have been shown to radiate effectively in the Very Low Frequency (3 kHz to 30 kHz) and Low…”
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Through-the-Wall Magnetoquasistatic Ranging by Arumugam, Darmindra D.

“…We present the magnetoquasistatic (MQS) coupling theory between a mobile transmitting device located within a building (indoor) and a fixed receiving device…”
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High Drive Voltage Studies on Lithium Niobate Length Extensional Resonators and Their Generated Quasistatic Electric Fields by Wilson, Tristan A., Sherrit, Stewart, Nagaraja, Srinivas Prasad Mysore, Feyissa, Brook, Willey, Devin, Arumugam, Darmindra D.

“…Piezoelectrically-driven transmitters are steadily gaining attention from researchers that are interested in developing small form-factor communication and…”
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Full-wave exact integral solutions of a current carrying loop in a general half-space by Arumugam, Darmindra D.

“…The full-wave exact integral solutions of a current carrying loop immersed in a general half-space is presented. The result is an eigenfunction reflection…”
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Decoupled Range and Orientation Sensing in Long-Range Magnetoquasistatic Positioning by Arumugam, Darmindra D.

“…A technique using magnetoquasistatic fields has been shown to enable accurate ranging in non-line-of-sight environments. Due to the nonlinear field coupling…”
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Multi-axis single-anchor vs. single-axis multi-anchors in long-range 2D MQS positioning by Arumugam, Darmindra D.

“…Recent developments have enabled single-anchor long-range two-dimensional (2D) positioning using low-frequency magnetoquasistatic fields. The approach of using…”
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Magnetoquasistatic position measurement above earth using the exact integral solutions by Arumugam, Darmindra D.

“…Measurements of the magnetoquasistatic coupling between a co-polarized vertical emitting and receiving coil, both located above earth, is compared to…”
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Pushing Piezoelectric Transmitters to the MHz Regime by Wilson, Tristan A., Nagaraja, Srinivas P M, Sherrit, Stewart, Willey, Devin, Wildanger, Adam, Arumugam, Darmindra D.

“…Transmitters driven by piezoelectric resonators have been shown to radiate quasistatic electromagnetic waves in the low frequency and very low frequency (LF…”
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Experimental Demonstration of Complex Image Theory and Application to Position Measurement by Arumugam, D D, Griffin, J D, Stancil, D D

“…Measurements of the magnetoquasistatic fields generated from a magnetic dipole (an electrically small current loop) located above the Earth are presented and…”
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Passive Magnetoquasistatic Position Measurement Using Coupled Magnetic Resonances by Arumugam, D. D., Ricketts, D. S.

“…Measurements of the reflected magnetoquasistatic fields at the terminals of a fixed generating resonant magnetic dipole (an electrically small resonating…”
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Long Range Passive UHF RFID System Using HVAC Ducts: RFID: A UNIQUE RADIO INNOVATION FOR THE 21ST CENTURY by NIKITIN, Pavel V, ARUMUGAM, Darmindra D, CHABALKO, Matthew J, HENTY, Benjamin E, STANCIL, Daniel D

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Error Reduction in Magnetoquasistatic Positioning Using Orthogonal Emitter Measurements by Arumugam, D. D., Griffin, J. D., Stancil, D. D., Ricketts, D. S.

“…Measurements of the emitted magnetoquasistatic fields generated by a vertical emitting loop and detected at the terminals of seven fixed vertical receiving…”
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Through-the-wall indoor tracking and navigation using deep-sub-wavelength magnetoquasistatics by Arumugam, Darmindra D.

“…Recent progress in magnetoquasistatic field-based techniques have enabled decoupled and linear solutions for position and orientation sensing in…”
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Deep-Sub-Wavelength Magnetoquasistatic Indoor Navigation Sensor-2D Measurements by Arumugam, Darmindra D.

“…Recent progress in magneto quasi static (MQS) field-based techniques have enabled effective sensor techniques for accurate position sensing in indoor…”
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