Sensor Resolution

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• Instantaneous field of view (IFOV) is the

angular field of view of the sensor,

independent of height

• IFOV is a relative measure because it is an

angle, not a length

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• Instantaneous field of view (IFOV) is the angular field of view of the sensor, independent of height • IFOV is a relative measure because it is an angle, not a length b

GIFOV • Ground-projected instantaneous field of view (GIFOV) depends on satellite height (H) Ê GIFOV = 2H tanÁ IFOV Ë 2 ˆ ˜ ¯

Page 1 and 2: Sensor Resolution
Page 3 and 4: Digital Number at-sensor radiance i
Page 5: Spatial Resolution • “A measure
Page 10 and 11: Spectral Resolution • The width a
Page 12 and 13: AVIRIS image of Moffat Field, CA 22
Page 14: Subtle differences require finer sp
Page 17 and 18: Radiometric Resolution • Determin
Page 19 and 20: Dynamic Range Saturation Dark Curre
Page 21 and 22: • Multi-temporal imagery is impor
Page 23 and 24: Signal Strength • Depends on - En
Page 25 and 26: Noise = n Â i=1 ( ) 2 DN i - m DN
Page 27: Noise Equivalent Radiance or Reflec

Sensor Resolution

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