Lan H. Tran

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We examine the problem of spectrally agile radios executing blind rendezvous over a set of communication channels using a GNU radio testbed. The performances of the Modified Modular Clock (MMC) and random channel access (RA) algorithms are compared across channel configurations that tactical radios will likely face. We assume no pre-coordinated channel(More)
In order to maintain the integrity and safe operation of a power system, a state-of-the-art wiring diagnostic technique is imperative. Joint Time-Frequency Domain Reflectometry (JTFDR) is proposed as an ideal solution due to it’s customizable reference signal and unique time-frequency cross-correlation function. The reference signal depends on three(More)
The integrity of the wiring in the electric power system of an aircraft is vital to its safe operation. To ensure the wiring integrity, it must be tested to determine if any incipient defects exist. For this purpose, joint time-frequency domain reflectometry (JTFDR) has proven to be effective on shielded, coaxial cable. This paper demonstrates the ability(More)
In this paper, we discuss the use of the RF Wireless Network Environment emulator. Its architecture and capabilities are investigated. Four case studies of the RF network emulator are presented in this paper. The first case study simulates the slow-hopping anti-jamming waveform. The second case study is the application of spectrum masking, the third is the(More)
The Fenton oxidation using phenanthrene (Phe), fluoranthene (Fle) and benzo[a]pyrene (BaP) as representative polycyclic aromatic hydrocarbon (PAH) contaminants was examined. The effect of the H2O2 concentration, the temperature and the competition between the PAHs in different solutions (methanol, surfactant and quartz) was investigated. The Fenton(More)
The objective of this study was to evaluate, at a pilot scale, the performance of an attrition process for removing As, Cr, Cu, pentachlorophenol (PCP) and polychlorodibenzodioxins and furans (PCDDF) from a 1-4 mm soil fraction. A Box-Behnken experimental design was utilized to evaluate the influence of several parameters (temperature, surfactant(More)
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