EFFECTIVE AREA AND DIRECTIONAL PATTERNS OF ANTENNA ARRAY OPERATING IN ULTRA WIDEBAND SIGNALS RECEIVING MODE
The relations for effective area calculation of arbitrary antennaarray which receives ultra wideband signal are obtained. The effectivearea is presented as function of direction of electromagneticwave arrival and signal bandwidth. The relations obtained areused for numerical analysis of effective ar...
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| Date: | 2013 |
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| Main Authors: | , , |
| Format: | Article |
| Language: | rus |
| Published: |
Видавничий дім «Академперіодика»
2013
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| Online Access: | http://rpra-journal.org.ua/index.php/ra/article/view/1144 |
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| Journal Title: | Radio physics and radio astronomy |
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Radio physics and radio astronomy| Summary: | The relations for effective area calculation of arbitrary antennaarray which receives ultra wideband signal are obtained. The effectivearea is presented as function of direction of electromagneticwave arrival and signal bandwidth. The relations obtained areused for numerical analysis of effective area and radiation patternsof 5×5 elements planar antenna array placed above a screen,which could be a prototype of decameter wavelength radio telescopephased antenna array subarray. The array radiation patternscalculated for E and H planes are presented. The maximumeffective area of antenna array receiving ultra wideband signal isshown to be close to the value of effective area at the centralfrequency of the range, and its angular dependence due to frequencyaveraging acquires smooth shape, being lobeless out of the areaof the main lobe with significantly decreased level. |
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