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For electrically large antenna systems it is impossible or unpractical to measure directly the radiation patterns on a conventional far-field (FF) range. Therefore, for such antennas, it is useful to exploit near-field (NF) measurements to recover the FF patterns via NF-FF transformation techniques [1]. It is useful to note that NF measurements may be performed in a controlled environment, as an indoor...
Measurement techniques in the antenna near-field (NF) region play a significant role in the evaluation of far-field (FF) patterns. In fact, for electrically large antennas, the required size of the conventional FF range becomes prohibitively large. Moreover, the development and the spreading of NF-FF transformation techniques employing planar, cylindrical or spherical scanning systems is justified...
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