a time domain spherical near-field measurement facility for uwb antennas employing a hardware gating technique
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2010
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Abstract
A spherical near-field antenna measurement facility employing a time domain hardware gating technique is presented.
On-off keyed sinusoidal impulses are used as stimuli requiring wideband antennas with a bandwidth in excess of 400 MHz.
The received signal is evaluated in the time interval after reaching the steady state and before
multipath components arising in the non-ideal anechoic chamber distort the signal.
An application specific pulse generator synthesizing sinusoidal impulses with a sub-nanosecond settling time and a low-cost equivalent time (ET) sampling receiver developed and optimized for this particular purpose are described.
Measurement results of typical ultra-wideband (UWB) antennas show a significant improvement of the measured antenna pattern compared to conventional techniques.
An application specific pulse generator synthesizing sinusoidal impulses with a sub-nanosecond settling time and a low-cost equivalent time (ET) sampling receiver developed and optimized for this particular purpose are described.
Measurement results of typical ultra-wideband (UWB) antennas show a significant improvement of the measured antenna pattern compared to conventional techniques.
| Reference Key |
blech2010advancesa
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|---|---|
| Authors | ;M. D. Blech;M. M. Leibfritz;R. Hellinger;D. Geier;F. A. Maier;A. M. Pietsch;T. F. Eibert |
| Journal | neuropsychiatrie : klinik, diagnostik, therapie und rehabilitation : organ der gesellschaft osterreichischer nervenarzte und psychiater |
| Year | 2010 |
| DOI |
10.5194/ars-8-243-2010
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| URL | |
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