The spaceborne synthetic aperture radar (SAR) to be launched on the Japanese Earth Resources Satellite-1 is described. The SAR is operated in the L-band. The mission is mainly dedicated to geological applications. The ground resolution of the processed image is designed as 18 m and the off-nadir angle required to meet geological applications is 35 degrees . The design and performance of the key system parameters are discussed, along with the reasons for choosing such design parameters. The antenna is a thin-flat-foldable configuration that has a 11.9-m by 2.2-m aperture when extended in orbit. The transmitter, receiver, and signal processor are all of the solid-state type to achieve high reliability of operation. They transmit an 1100-W peak (minimum) chirp pulse and receive the return echos and process the echo signals into in-phase and quadrature data streams.


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    Titel :

    Japanese Earth Resources Satellite-1 synthetic aperture radar


    Weitere Titelangaben:

    Der japanische Erd-Auskunftssatellit 1 Synthetischer-Apertur-Radar


    Beteiligte:
    Nemoto, Y. (Autor:in) / Nishino, H. (Autor:in) / Ono, M. (Autor:in) / Mizutamari, H. (Autor:in) / Nishikawa, K. (Autor:in) / Tanaka, K. (Autor:in)

    Erschienen in:

    Proceedings of the IEEE ; 79 , 6 ; 800-809


    Erscheinungsdatum :

    1991


    Format / Umfang :

    10 Seiten, 8 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch





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