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  1. #1
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    resolution in Synthetic Aperture Radar technology

    Hi,

    In Synthetic Aperture Radar technology, the theoretical cross-range resolution of SAR is D/2, where D is the horizontal dimension of the SARís real antenna aperture.

    That means, the larger the aperture of the real antenna the worse the cross-range resolution. Is that correct?

    Senmeis

    •   Alt21st April 2017, 13:30

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  2. #2
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    Re: resolution in Synthetic Aperture Radar technology

    Yes, I think this> the smaller is the antenna the larger is beamwidth, the longer is the acquisition the better is te resolution, but... the smaller is the antenna the lower is the gain the more noise is the acqusition, it is a compromise as usual.

    Quote Originally Posted by senmeis View Post
    Hi,

    In Synthetic Aperture Radar technology, the theoretical cross-range resolution of SAR is D/2, where D is the horizontal dimension of the SARís real antenna aperture.

    That means, the larger the aperture of the real antenna the worse the cross-range resolution. Is that correct?

    Senmeis



    •   Alt24th April 2017, 14:27

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  3. #3
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    Re: resolution in SAR technology

    Increasing the length of the antenna makes the aperture large and hence a higher resolution can be achieved.
    --Hobbyckts--

    Nothing you will loose by pressing "Helped Me" button instead conveying thanks.... But press only when the post helped you....



    •   Alt25th April 2017, 07:31

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  4. #4
    Member level 4
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    Re: resolution in SAR technology

    No. SAR works differently. But instead of to words, just an extract from one of thousands books on this topic.

    senmeis is right.

    Quote Originally Posted by hobbyckts View Post
    Increasing the length of the antenna makes the aperture large and hence a higher resolution can be achieved.



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