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- W2079852095 abstract "Nulling is a technique to reduce unwanted interference by selecting specifically against some characteristic of the interference. In the case of an antenna with several subapertures or beams, spatial discrimination against the interference is implemented through appropriate complex weighting of the antenna outputs prior to combining to make the net antenna sensitivity orders of magnitude lower in the direction of the interference. This paper describes how optics has been used to achieve a wide- bandwidth (2 GHz) null centered at 6 GHz for the case of two antenna outputs. The broadband null-depth is approximately 40 dB over the 5 to 7 GHz RF band. Such a deep null over this wide band could not be achieved using microwave technology alone.© (1994) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only." @default.
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- W2079852095 date "1994-06-10" @default.
- W2079852095 modified "2023-09-26" @default.
- W2079852095 title "<title>Adaptive wideband optical nulling for an antenna system</title>" @default.
- W2079852095 doi "https://doi.org/10.1117/12.177406" @default.
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