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QuickBird
QuickBird was a high-resolution commercial earth observation satellite, owned by DigitalGlobe launched in 2001 and 〔() 〕decayed in 2015 〔(Digitalglobe: QuickBird )〕 was the first satellite in a constellation of three scheduled to be in orbit by 2008. QuickBird used Ball Aerospace's Global Imaging System 2000 (BGIS 2000).〔 The satellite collected panchromatic (black and white) imagery at 61 centimeter resolution and multispectral imagery at 2.44- (at 450 km) to 1.63-meter (at 300km) resolution, as orbit altitude is lowered during the end of mission life.
At this resolution, detail such as buildings and other infrastructure are easily visible. However, this resolution is insufficient for working with smaller objects such as a license plate on a car. The imagery can be imported into remote sensing image processing software, as well as into GIS packages for analysis. The imagery can also be used as a backdrop for mapping applications, such as Google Earth and Google Maps.
Contractors include Ball Aerospace & Technologies, Kodak and Fokker Space.
==QuickBird I==
The first QuickBird was launched in November 2000, by EarthWatch from the Plesetsk Cosmodrome in Russia. QB-1 failed to reach planned orbit and was declared a failure.〔(DigitalGlode History - QuickBird I )〕 Prior to QuickBird I and II, DigitalGlobe launched the EarlyBird 1 successfully in 1997 but the satellite lost communications after only four days in orbit due to power system failure.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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