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Geoinformatics-8-2008
article the use of in-field spectral channel separation, which allows the user to tailor individual channel gsd (ground sampling distance) and features like tdi (time delay and integration). state-of-the-art detector arrays and read-out electronics can easily be employed. the reflecting telescope design can be expected to support the most demanding upcoming requirements on image quality and ground resolution. metimage is supported by the german aerospace center (dlr) with funds from the federal ministry of economics and technology. high performance data acquisition the jena airborne scanner jas 150s together with its photogrammetric processing software provides data with very high spatial resolution, positional accuracy and radiometric resolution. using the jas 150s, images with a ground pixel resolution of 5 cm [2 inches] at a flight altitude of 1000m [3280 feet] can be achieved at multiple stereo angles. when flying over an area, it is possible to record the nine ccd lines, including four multi-spectral bands as well as five stereo panchromatic channels, simultaneously in identical high resolution. using the five stereo panchromatic channels the number and size of blind spots can be minimized. with the asm software in combination with socet set or inpho software the acquired data can be used for mapping of large areas as well as for creating highly-precise digital elevation models and orthophotos. software integrations for further processing software packages are possible on request. jenaoptronik offers the adaptation to all prevalent peripheral systems in order to reduce costs. it also offers several different modes to acquire a jas150s, including buying, leasing and renting. further performance features of the airborne scanner jas 150s: a new high-performance lens for all nine channels provides the highest geometric accuracy high-precision geo-referencing with an average error in subpixel range high radiometric resolution of 12 bit detail jena airborne scanner jas 150: connection to rack © jena-optronik gmbh. tral channels, and covering the wavelength range from visible to near infrared, it will provide pin sharp, multi-spectral, high resolution images. the formation of the satellite system enables constant global coverage and therefore up-to-date information on a daily basis. due to the high repetition rate, the data gained will provide important information in the fields of environmental monitoring, landscape architecture and disaster management. beyond that there is going to be an increased commercial benefit for potential end users such as agricultural insurers, who need to forecast or report damages, institutions such as the eu, companies which trade in agricultural commodities and farm corporations that rely on precision crop management. with the development of the multi-spectral imagers for rapideye jena-optronik successfully entered the market of satellite-based earth observation instruments. the jenabased company will be a member of the core team of sentinel-2 for optical earth observalatest news? visit www.geoinformatics.com tion and sentinel-3 for the observation of the oceans within the european earth observation program gmes (global monitoring for environment and security). furthermore, the imaging radiometer metimage is a planned german contribution for future operational earth observation platforms in polar orbits (eumetsat post-eps). a core item of the instrument is a rotating telescope scanner to cover the large swath width which all polar platforms need for global coverage. the derotated image makes possible gocher heide, germany © jena-optronik gmbh. 19 december 2008
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