The Danish polarimetric SAR for remote sensing applications

Erik Lintz Christensen, Søren Nørvang Madsen, Jørgen Dall, Niels Skou, Jørn Hjelm Jørgensen, Kim Woelders, A Netterstrøm, Johan Granholm, Mikael Dich

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    Abstract

    Presents the Danish polarimetric SAR system, EMISAR, and the approach taken in the system design to achieve a reliable high performance system. The design and implementation of the antenna system as well as the analog and digital hardware are discussed. The SAR utilises a dual polarised microstrip antenna with probe fed patches and the antenna exhibits a modified cosec-squared pattern with high polarisation discrimination. The two transmitted polarisations are time multiplexed at the transmitter and at the dual channel (V- and H-polar) receiver front end while azimuth pre-filtering is implemented by independent circuits for the four parallel channels (VV, VH, HV, and HH). The system has been designed to permit both C- and L-band data to be recorded on the same high density digital tape. The paper presents the performance of the system including measured resolution, peak- and integrated sidelobes, polarimetric channel imbalance and cross-talk
    Original languageEnglish
    Title of host publicationProceedings of the International Geoscience and Remote Sensing Symposium : Surface and Atmospheric Remote Sensing: Technologies, Data Analysis and Interpretation
    VolumeVolume 3
    PublisherIEEE
    Publication date1994
    Pages1361-1364
    ISBN (Print)07-80-31497-2
    DOIs
    Publication statusPublished - 1994
    Event1994 International Geoscience and Remote Sensing Symposium: Surface and Atmospheric Remote Sensing: Technologies, Data Analysis and Interpretation - Pasadena, CA, United Arab Emirates
    Duration: 8 Aug 199412 Aug 1994

    Conference

    Conference1994 International Geoscience and Remote Sensing Symposium
    CountryUnited Arab Emirates
    CityPasadena, CA
    Period08/08/199412/08/1994

    Bibliographical note

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