Proceedings ArticleDOI
Design of 0.73λ inter-element spacing linear array for 0.43GHz P/UHF-band tropospheric radar wind profiler
Venkata Kishore Kothapudi,Vijay Kumar +1 more
- pp 277-282
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TLDR
In this paper, the design and simulation of an 0.43 GHz P/UHF band microstrip patch antenna as single element, 2, 4, 8 and 16-element linear array using RT/duroid 6002 substrate was proposed.Abstract:
In this letter the design and simulation of an 0.43GHz P/UHF band microstrip patch antenna as single element, 2, 4, 8 & 16-element linear array using RT/duroid 6002 substrate was proposed. An inter-element spacing of 0.73λ for limited scan angle coverage. Wind profiling radar operating in Doppler beam swinging mode and spaced antenna drift technique mode needs to have a large aperture antenna array in order to get the narrow pencil beam is required for wind speed and direction accuracy. To meet the above requirements a microstrip patch antenna single element is used to design a 2, 4, 8 & 16-element linear antenna array for Tropospheric Wind Profiling Radar Operating at 0.43GHz. Conception details and simulation results are also given for the both single element & 16-element linear antenna array. The designed and simulated results are presented. A full wave electromagnetic simulator zeland IE3D V12.02 is used to validate the design approach. The simulated results below present are valid over the 0.43GHz band and the simulated parameters contains the VSWR, Return loss, impedance, gain, directivity, efficiency and elevation gain patterns.read more
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Compact and Broadband Microstrip Antennas
TL;DR: In this paper, the authors present an overview of the most recent advances in regular-size Dual-Frequency Antennas and their application in a wide range of applications, including: 1.1 Introduction.
Journal ArticleDOI
1280-MHz Active Array Radar Wind Profiler for Lower Atmosphere: System Description and Data Validation
P Srinivasulu,P. Yasodha,P. Kamaraj,T. N. Rao,Achuthan Jayaraman,S. N. Reddy,S. Satyanarayana +6 more
TL;DR: An L-band radar wind profiler was established at National Atmospheric Research Laboratory, Gadanki, India (13.5°N, 79.2°E), to provide continuous high-resolution wind measurements in the lower atmosphere as discussed by the authors.
Journal ArticleDOI
Simplified Active Array L-Band Radar for Atmospheric Wind Profiling: Initial Results
TL;DR: A simple approach is presented to implement an active aperture radar with a constrained beam-forming network that is adequate enough to generate multiple beams for atmospheric wind profiling and achieves the best signal-to-noise ratio (SNR), thereby increases range coverage.
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