Results 31 to 40 of about 1,233 (164)
Method of the coordination of the antenna on two it is considerable the spaced apart frequencies
Физика волновых процессов и радиотехнические системы, 2014 In article the method of the coordination of the antenna on two considerably spaced apart frequencies is considered. Edge conditions of usage of the given method are defined and examples of calculation of lengths of the matching transformer and idling ...
V.A. Neganov +3 more
doaj
A method for analyzing the VSWR effects of paint on K-band onboard antenna arrays
AIP AdvancesToday’s aerial vehicles are fitted with antennas for various wireless services, which are commonly designed as conformal surfaces. To improve the appearance of the finished aircraft, the antenna surfaces are painted.
Xianjin Yi
doaj +1 more source
A Full-Band Digital Television Transmitting Antenna Array With Dual-Layer Bowtie Dipole Unit
IEEE Access, 2020 A full-band digital television (DTV) transmitting antenna array with dual-layer bowtie dipole unit is proposed in this paper. The dual-layer bowtie dipole is utilized as the antenna unit to broaden the frequency bandwidth, and its key parameters are ...
Haijing Yu +3 more
doaj +1 more source
COMPACT AND EFFICIENT UWB ANTENNA FOR SMART VEHICLE COMMUNICATION SYSTEMS
Mağallaẗ Al-kūfaẗ Al-handasiyyaẗThe most recent wireless technology is ultra-wideband (UWB), which makes use of a broad frequency range for efficient communication, fast data transmission, and precise position recognition.
Amjad Kadhum Majeed +3 more
doaj +1 more source
Compact printed high rejection triple band-notch UWB antenna with multiple wireless applications
Engineering Science and Technology, an International Journal, 2016 In this paper, small printed urn-shape triple notch ultra-wideband (UWB) monopole antenna with diverse wireless applications is presented. Notch bands include WiMAX (IEEE802.16 3.30–3.80 GHz), WLAN IEEE802.11a/h/j/n (5.15–5.35 GHz, 5.25–5.35 GHz, 5.47–5 ...
Manish Sharma +4 more
doaj +1 more source
Antena Mikrostrip Circular Array Dual Frekuensi
Jurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems), 2012 Paper Dalam aplikasi GPS (Global Positioning System) dan GSM (Global System for Mobile communication) dalam sebuah fitur layanan telepon seluler, diperlukan antena tunggal yang mampu melayani 2 keperluan aplikasi GPS yaitu frekwensi 1575 MHz dan ...
Dwi Fadila Kurniawan +2 more
doaj +1 more source
Jurnal Nasional Teknik Elektro, 2018 Microstrip antenna is one of the fastest growing antennas in telecommunication system. Microstrip antenna has been widely used because it has many advantages such as a compact, practical and easy to adjusting polarize, commonly applied to modern ...
Rico Bernando Putra +2 more
doaj +1 more source
ActuatorsThe failure of impedance matching between the ultrasonic power supply and the transducer can degrade machining quality, decrease machining efficiency, and reduce tool life.
Nanchao Jiang +3 more
doaj +1 more source
Multidimensional analysis of 5G antenna with coaxial cables and circular slots using computational resources and polynomial analysis [PDF]
Journal of Microwaves, Optoelectronics and Electromagnetic ApplicationsThe study proposes a multidimensional mathematical modeling of antennas using coaxial cables for 5G, with emphasis on the relationship between cable length, frequency, and VSWR. By employing a final configuration incorporating five circular slots of 6 mm
Filipe C. de Andrade +5 more
doaj +1 more source
Diance yu yibiaoAiming at the requirement of highly sensitive perception of gas insulated switchgear (GIS) intermittent partial discharge leakage electromagnetic wave.
QIU Hu +5 more
doaj +1 more source