Satpalda Geospatial Services

Satpalda Geospatial Services

- Version WorldView-3 - Satellite Sensor

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WorldView-3 is the latest satellite sensor from DigitalGlobe. With the addition of this sensor to its satellite constellation (in addition to QuickBird, WorldView-1, GeoEye-1, Ikonos and WorldView-2), DigitalGlobe will be capable of collecting ~1 billion km2 of Earth imagery per year.  DigitalGlobe has added a SWIR (Shortwave Infrared) sensing 8-band instrument to WorldView-3 satellite that will open up a host of new civil and military applications.

WorldView-3 provides 31 cm panchromatic resolution, 1.24 m MS (Multispectral) resolution, 3.7 m SWIR (Short-Wave Infrared) resolution, and 30 m CAVIS ( Clouds, Aerosols, Vapors, Ice, and Snow) resolution. CAVIS will monitor the atmosphere and provide correction data to improve WorldView-3′s imagery when it images earth objects through haze, soot, dust or other atmospheric particles. WorldView-3 builds upon WorldView-2 and WorldView-1 technology by carrying forward the satellites’ advanced Control Moment Gyroscopes (CMGs). CMGs reorient a satellite over a desired collection area in 4-5 seconds, compared to 30-45 seconds needed for traditional reaction wheels(QuickBird e.g.).

  • Panchromatic: Panchromatic: 450 – 800 nm
  • Multispectral (8 Bands) :
    • Coastal : 400 – 450 nm
    • Blue : 450 – 510 nm
    • Green : 510 – 580 nm
    • Yellow : 585 – 625 nm
    • Red : 630 – 690 nm
    • Red Edge : 705 – 745 nm
    • Near-IR1 : 770 – 895 nm
    • Near-IR2 : 860 – 1040 nm
  • SWIR Bands (8 Bands) :
    • SWIR-1 : 1195 – 1225 nm
    • SWIR-2 : 1550 – 1590 nm
    • SWIR-3 : 1640 – 1680 nm
    • SWIR-4 : 1710 – 1750 nm
    • SWIR-5 : 2145 – 2185 nm
    • SWIR-6 : 2185 – 2225 nm
    • SWIR-7 : 2235 – 2285 nm
    • SWIR-8 : 2295 – 2365 nm
  • CAVIS* Bands(12 Bands) *Clouds, Aerosol, Vapor, Ice, Snow
    • Desert Clouds : 405 – 420 nm
    • Aerosol-1 : 459 – 509 nm
    • Green : 525 – 585 nm
    • Aerosol-2 : 620 – 670 nm
    • Water-1 : 845 – 885 nm
    • Water-2 : 897 – 927 nm
    • Water-3 : 930 – 965 nm
    • NDVI-SWIR : 1220 – 1252 nm
    • Cirrus : 1350 – 1410 nm
    • Snow : 2105 – 2245 nm
    • Aerosol-3 : 1620 – 1680 nm
    • Aerosol-3 : 2105 – 2245 nm

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