نتایج جستجو برای: antenna phased array
تعداد نتایج: 175671 فیلتر نتایج به سال:
An integrated photonic True Time Delay phaser for phased array, based on an innovative technology, is here presented. The module versatility is showed by presenting more driving strategies matching different antenna features. The phaser insertion loss, the fluctuations of the excitation coefficients corresponding to the various driving configurations and the statistical modeling of the realizat...
Phased array antennas play an indispensable role in millimeter-wave (mmWave) communications. The Antenna-in-package (AiP) system combines advanced antenna and packaging technology, making it highly valuable for various cellular, radar automative applications. benefits brings terms of small size, low development costs, power consumption fast beam-steering capability further drive the vast deploy...
Systems that can operate over wide frequency ranges with agile beam scanning and frequency hopping are receiving increased attention due to recent trends within communication, radar and EW applications. In addition to requiring wideband apertures, T/R modules, beamforming and beam shaping, a wideband multifunction antenna system must also be able to instantaneously reconfigure the array to the ...
In this research work, a multibeam antenna which is a combination of a beamformer network (BFN) and a linear array antenna, has been designed. A Rotman lens has been chosen as beamformer network and Vivaldi antennas have been selected for constructing array antenna. The Substrate Integrated Waveguide (SIW) was used for implementing Rotman lens. After explanation the structure of Substrate integ...
-Current scenario has seen an unprecedented revolution in the field of wireless technology where the large bulky sized Yagi Uda Array’s have been replaced by small sized, light weight & mechanically robust & compatible phased array structure for their diversified applications in the field of GPS, RADAR& other SATELLITE services. One such promising array structure is the patch antenna array that...
In this paper, a linear series fed Yagi-like antenna array is introduced leading to an end-fire fan beam with low sidelobe level, SLL, high front to back ratio, F/B, and wide impedance bandwidth. The array can provide −29 dB SLL at centre frequency of 16.26 GHz, −20 dB SLL bandwidth of 7.5%, 23 dB F/B and 10.6% impedance bandwidth. Further improvement in SLL can be achieved by extending narrow ...
In this article, a concept of phased antenna array based on substrate integrated waveguide (SIW) technology for 5G base stations is proposed. The has cosecant radiation pattern in the vertical plane uniform illumination sector area. itself consists 16 SIW traveling wave subarrays 12 slot-coupled microstrip patch antennas associated with pair reflection-canceling vias and phasing elements to get...
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