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9 CCD pushbroom cameras 9 view angles at Earth surface: 70.5º forward to 70.5º aftward PowerPoint Presentation
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9 CCD pushbroom cameras 9 view angles at Earth surface: 70.5º forward to 70.5º aftward - PowerPoint PPT Presentation


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MISR CHARACTERISTICS. 9 CCD pushbroom cameras 9 view angles at Earth surface: 70.5º forward to 70.5º aftward 4 spectral bands at each angle: 446, 558, 672, 866 nm 14-bit digitization On-board calibration system. MISR OBSERVATIONAL ATTRIBUTES. Continuous pole-to-pole coverage

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Presentation Transcript
slide1

MISR CHARACTERISTICS

9 CCD pushbroom cameras

9 view angles at Earth surface:

70.5º forward to 70.5º aftward

4 spectral bands at each angle:

446,558,672,866 nm

14-bit digitization

On-board calibration system

slide2

MISR OBSERVATIONAL ATTRIBUTES

Continuous pole-to-pole coverage

on orbit dayside

400-km swath

Contiguous zonal coverage:

9 days at equator

2 days at poles

275 m - 1.1 km sampling

275-m global coverage for all nadir bands

and off-nadir red bands; others 1.1 km

7 minutes to observe each scene

at all 9 angles

slide3

Relative response

TRACKING OF

CAMERA RESPONSE

VS. TIME

OBC

DESERT TARGET

ON-BOARD CALIBRATOR

Nadir camera

slide5

CAMERA AND DIODE IMAGE COMPARISON

26 APR - 11 MAY 2000

An Camera

HQE Diodes

Paths 9 - 47

Map scale = 10 arcmin

slide6

LUNAR LAKE VICARIOUS CALIBRATION, 11 Jun 2000

AirMISR calibration verified using field data

AirMISR calibration transferred to MISR

slide8

CAMERA GEOMETRIC CALIBRATION

USING GROUND CONTROL POINTS

70º aft camera

line

error

(m)

sample error (m)

sample error (m)

geolocation errors

before geometric calibration

geolocation errors

after geometric calibration