NULL SYNTHESIS OF SCANNED LINEAR ARRAY ANTENNA WITH MINIMUM SIDE LOBE LEVEL AND FIXED DYNAMIC RANGE RATIO USING ITERATIVE FAST FOURIER TRANSFORM
This paper presents a method based on iterative fast fourier technique for placing nulls in prescribed directions by amplitude-only control method in the radiation pattern of scanned linear array of uniformly spaced isotropic antennas with fixed dynamic range ratio of amplitude distribution and mini...
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Format: | Article |
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ICT Academy of Tamil Nadu
2011-09-01
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Series: | ICTACT Journal on Communication Technology |
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Online Access: | http://ictactjournals.in/paper/1_Paper_377_381.pdf |
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author | B.C. Mahato G.K. Mahanti A.K. Panda |
author_facet | B.C. Mahato G.K. Mahanti A.K. Panda |
author_sort | B.C. Mahato |
collection | DOAJ |
description | This paper presents a method based on iterative fast fourier technique for placing nulls in prescribed directions by amplitude-only control method in the radiation pattern of scanned linear array of uniformly spaced isotropic antennas with fixed dynamic range ratio of amplitude distribution and minimum peak side lobe level. Two examples have been presented, one with 20 isotropic antennas for placing two nulls and another with 22 isotropic antennas for placing wide null. Dynamic range ratio in both the cases has been fixed at 4.0.The method uses the property that for a linear array with uniform element spacing, an inverse Fourier transform relationship exists between the array factor and the element excitations. |
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id | doaj.art-6b1c8b12fc03430f94035ac528c6f439 |
institution | Directory Open Access Journal |
issn | 0976-0091 2229-6948 |
language | English |
last_indexed | 2024-12-22T07:10:43Z |
publishDate | 2011-09-01 |
publisher | ICT Academy of Tamil Nadu |
record_format | Article |
series | ICTACT Journal on Communication Technology |
spelling | doaj.art-6b1c8b12fc03430f94035ac528c6f4392022-12-21T18:34:31ZengICT Academy of Tamil NaduICTACT Journal on Communication Technology0976-00912229-69482011-09-0123377381NULL SYNTHESIS OF SCANNED LINEAR ARRAY ANTENNA WITH MINIMUM SIDE LOBE LEVEL AND FIXED DYNAMIC RANGE RATIO USING ITERATIVE FAST FOURIER TRANSFORMB.C. Mahato0G.K. Mahanti1A.K. Panda2Department of Electronics and Communication Engineering, Aryabhatta Institute of Engineering and Management, West Bengal, IndiaDepartment of Electronics and Communication Engineering, National Institute of Technology, Durgapur, West Bengal, IndiaDepartment of Electrical Engineering, National Institute of Technology, Rourkela, Orissa, IndiaThis paper presents a method based on iterative fast fourier technique for placing nulls in prescribed directions by amplitude-only control method in the radiation pattern of scanned linear array of uniformly spaced isotropic antennas with fixed dynamic range ratio of amplitude distribution and minimum peak side lobe level. Two examples have been presented, one with 20 isotropic antennas for placing two nulls and another with 22 isotropic antennas for placing wide null. Dynamic range ratio in both the cases has been fixed at 4.0.The method uses the property that for a linear array with uniform element spacing, an inverse Fourier transform relationship exists between the array factor and the element excitations.http://ictactjournals.in/paper/1_Paper_377_381.pdfAntenna ArraysFast Fourier TransformNull SynthesisSide Lobe LevelDynamic Range Ratio |
spellingShingle | B.C. Mahato G.K. Mahanti A.K. Panda NULL SYNTHESIS OF SCANNED LINEAR ARRAY ANTENNA WITH MINIMUM SIDE LOBE LEVEL AND FIXED DYNAMIC RANGE RATIO USING ITERATIVE FAST FOURIER TRANSFORM ICTACT Journal on Communication Technology Antenna Arrays Fast Fourier Transform Null Synthesis Side Lobe Level Dynamic Range Ratio |
title | NULL SYNTHESIS OF SCANNED LINEAR ARRAY ANTENNA WITH MINIMUM SIDE LOBE LEVEL AND FIXED DYNAMIC RANGE RATIO USING ITERATIVE FAST FOURIER TRANSFORM |
title_full | NULL SYNTHESIS OF SCANNED LINEAR ARRAY ANTENNA WITH MINIMUM SIDE LOBE LEVEL AND FIXED DYNAMIC RANGE RATIO USING ITERATIVE FAST FOURIER TRANSFORM |
title_fullStr | NULL SYNTHESIS OF SCANNED LINEAR ARRAY ANTENNA WITH MINIMUM SIDE LOBE LEVEL AND FIXED DYNAMIC RANGE RATIO USING ITERATIVE FAST FOURIER TRANSFORM |
title_full_unstemmed | NULL SYNTHESIS OF SCANNED LINEAR ARRAY ANTENNA WITH MINIMUM SIDE LOBE LEVEL AND FIXED DYNAMIC RANGE RATIO USING ITERATIVE FAST FOURIER TRANSFORM |
title_short | NULL SYNTHESIS OF SCANNED LINEAR ARRAY ANTENNA WITH MINIMUM SIDE LOBE LEVEL AND FIXED DYNAMIC RANGE RATIO USING ITERATIVE FAST FOURIER TRANSFORM |
title_sort | null synthesis of scanned linear array antenna with minimum side lobe level and fixed dynamic range ratio using iterative fast fourier transform |
topic | Antenna Arrays Fast Fourier Transform Null Synthesis Side Lobe Level Dynamic Range Ratio |
url | http://ictactjournals.in/paper/1_Paper_377_381.pdf |
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