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Calibrating a phased array with holography: the LOFAR case Sander ter Veen, Michiel Brentjens, Mattia Mancini, Thomas Jürges, Dave Bordenave P8-13

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Calibrating a phased array with holography: the LOFAR case

Sander ter Veen, Michiel Brentjens, Mattia Mancini, Thomas Jürges, Dave Bordenave

P8-13

Recorded data: 481 beams simultaneously

P8-13

FFT => Image antennasolve phases at antenna position

Too little

Too much

Delay

P8-13

Denis_digital holography

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