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Barbora Cernilová, Miloslav Linda, Jirí Kure, Monika Hromasová, Rostislav Choteborský and Ondrej Krunt
Regular weight measurement is important in fattening geese to assess their health status. Failure to gain weight may indicate a potential illness. Standard weight gain analysis involves direct contact with the animal, which can cause stress to the animal...
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Giovanni Andrea Casula, Giacomo Muntoni, Paolo Maxia and Giorgio Montisci
A printed log-periodic dipole array (LPDA) for DVB-T2 Digital TV applications, covering the whole DVB-T2 UHF band from Channel 21 to Channel 69 (470 MHz?860 MHz), is presented. The presented antenna offers a compact size and a lower cost compared to both...
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Peng Zhao, Zhensen Wu, Yushi Zhang, Jinpeng Zhang, Xinyu Xu and Jiaji Wu
The Doppler spectra of sea echoes, which contain abundant information on floating scatterers, are important for exploring the characteristics of sea clutter. Using sea clutter data at low grazing angles observed by a coherent ultra-high frequency (UHF) r...
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Toshihiro Kameda, Akihiro Nagata, Yohei Kimura, Ryujin Imai, Pragyan Shrestha, Keisuke Kimura, Atsushi Yasuda and Hiromasa Watanabe
A software-controllable, consumer-grade, single-chip transceiver integrated circuit (IC) has multiple applications because it can generate a continuous-wave beacon while providing the basic functions of frequency shift keying digital communication as wel...
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Victoria Ramos, Oscar J. Suárez, Samuel Suárez, Víctor M. Febles, Erik Aguirre, Patryk Zradzinski, Luis E. Rabassa, Mikel Celaya-Echarri, Pablo Marina, Jolanta Karpowicz, Francisco Falcone and José A. Hernández
In this work, the evaluation of electromagnetic effect of Ultra High Frequency Radio Frequency Identification (UHF-RFID) passive tags used in the healthcare environment is presented. In order to evaluate exposure levels caused by EM field (865?868 MHz) o...
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Wen-Chung Wu and Ankit Kumar
Nanofluid flow over a backward facing step was investigated numerically at low Reynolds number and the heat transfer was analyzed and reported. Al2O3?H2O nanofluids of different volume fractions (φ" role="presentation">??f
f
= 1?5%) were used ...
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Matteo Gemignani and Salvo Marcuccio
Sounding balloons, available at very low cost from commercial vendors and operable with minimal training, have an excellent potential as testing platforms in the near-space environment. The work reported here was motivated by the need to perform an exper...
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Yerim Oh, Dongkwon Choi, Jae-Yeong Lee and Wonbin Hong
A Wheeler method for the evaluation of the radiation efficiency of submerged antennas within lossy media is presented and demonstrated for the first time in the literature. Extensive investigations have been devised by empirical and simulation methods. N...
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Antonio Navarro, Pedro Mostardinha, Tiago Varum, Joao Matos and Stanislav Maslovski
Although Yagi?Uda antenna is more than 80 years old and is still globally the most used antenna for TV reception, we believe that there is still room for improvement. This article discusses a new antenna design for application in terrestrial TV broadcast...
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Santi Concetto Pavone, Giorgio Sebastiano Mauro, Loreto Di Donato and Gino Sorbello
In this paper, we present the design and fabrication of two dual circularly polarized (CP) patch antennas that can be profitably used as feeders for reflector systems normally adopted for satellite applications. In the first part of the manuscript, we pr...
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