IKONOS technical performance assessment

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Abstract
The world's first high-resolution commercial satellite, IKONOS, was launched by Lockheed Martin for Space Imaging in September of 1999. The IKONOS satellite contains both a 1-meter 11-bit panchromatic sensor and a 4-band 4-meter 11-bit multispectral sensor. After launch a detailed On-Orbit Product Verification program was conducted to verify the IKONOS satellite and ground station products met all design specifications. This paper shares the results of the On-Orbit Product Verification program. Descriptions of the image quality attributes and a comparison between system requirements and On-orbit performance are included. The verified attributes are the Signal to Noise Ratio (SNR), Modulation Transfer Function (MTF), Band to Band Registration, and Radiometric and Geometric Accuracy. The Geometric Accuracy is examined with respect to all ground processed product requirements to produce monoscopic, stereo, orthorectified, and digital terrain matrix products. The result of this On-orbit testing and subsequent analyses show that all IKONOS system requirements have been met or exceeded.

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