Results 1 to 10 of about 201,063 (333)
Comprehensive Design and Propagation Study of a Compact Dual Band Antenna for Healthcare Applications [PDF]
Journal of Sensor and Actuator Networks, 2015 In this paper, a dual band planar inverted F antenna (PIFA) has been investigated for cooperative on- and off-body communications. Free space and on-body performance parameters like return loss, bandwidth, radiation pattern and efficiency of this antenna
Mohammad Monirujjaman Khan +2 more
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Helical Antennas in Satellite Radio Channel [PDF]
, 2011 Monofilar and multifilar helical antennas are the most widely proposed antennas in satellite communications systems. The main reason why these antennas constitute an asset in applications concerning satellite and space communications generally is circular polarization.
Zoran Blažević, Maja Škiljo
openalex +4 more sources
Study on deployment mechanism of the satellite umbrella antenna
Hangkong gongcheng jinzhan, 2023 The relaxation and jumping from slot of the power rope of the antenna deployment mechanism are likely to occur in the process of antenna deployment and folding.
LIU Tingting +3 more
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Remote Sensing, 2021 This study presents mathematical analysis and numerical modeling for the estimation of measurement errors of height estimation over the sea surface for a precision radar altimeter installed in a low altitude flying vehicle.
Aleksandr I. Baskakov +3 more
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Scientific Reports, 2022 Spectroscopy in the sub-terahertz (sub-THz) range of frequencies has been utilized to study the picosecond dynamics and interaction of biomolecules. However, widely used free-space THz spectrometers are typically limited in their functionality due to low
Seyed Ali Hosseini Farahabadi +5 more
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Simulation of Small Radio Telescope Antenna Parameters at Frequency of 1.42 GHz
Iraqi Journal of Physics, 2022 The paper presents an overview of theoretical aspects of small radio telescope antenna parameters. The basic parameters include antenna beamwidth, antenna gain, aperture efficiency, and antenna temperature.
Uday E Jallod +2 more
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WGM-Based Sensing of Characterized Glucose- Aqueous Solutions at mm-Waves
IEEE Access, 2020 A newly-developed commercial coaxial probe kit (DAK-TL) is used to characterize the electromagnetic properties of glucose-loaded samples prepared at a range of concentrations 0.7-1.2 mg/ml similar to Type-2 normal diabetics in a broad range of ...
Ala Eldin Omer +3 more
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IEEE Access, 2022 Radio wave coverage in open-confined mixed space along the railway is studied in this paper. The space along the railway can be classified into three kinds of spaces, that are, open space, confined space and the open-confined mixed space.
Zhenyu Zhao, Junhong Wang, Weibin Hou
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Blood Glucose Level Monitoring Using an FMCW Millimeter-Wave Radar Sensor
Remote Sensing, 2020 In this article, a novel sensing approach is presented for glucose level monitoring where a robust low-power millimeter(mm)-wave radar system is used to differentiate between blood samples of disparate glucose concentrations in the range 0.5 to 3.5 mg/mL.
Ala Eldin Omer +3 more
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Известия высших учебных заведений России: Радиоэлектроника, 2023 Introduction. Achieving improved accuracy and sensitivity of the direction finding of radio signals represents a relevant research direction in the field of modern HF radio monitoring.
G. S. Gribov
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