Linear array swing scanning type optical satellite in-orbit geometric calibration method based on equivalent area array

Linear array swing scanning type optical satellite in-orbit geometric calibration method based on equivalent area array

The invention relates to an in-orbit geometric calibration method for a linear array swing-scanning type optical satellite based on an equivalent area array, which comprises the following steps of: 1, acquiring a ground control point on a simple pendulum satellite image from a high-precision digital...

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Hauptverfasser: BAO WENSHU, HUANG AOJIONG, CAO JINSHAN, SUN YUANYUAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
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creator BAO WENSHU
HUANG AOJIONG
CAO JINSHAN
SUN YUANYUAN
description The invention relates to an in-orbit geometric calibration method for a linear array swing-scanning type optical satellite based on an equivalent area array, which comprises the following steps of: 1, acquiring a ground control point on a simple pendulum satellite image from a high-precision digital orthoimage and a digital elevation model through an image matching or manual measurement method; 2, according to the geometrical relationship among a rotary scanning mirror, a motion compensation mirror and a linear array CCD in the satellite imager and the imaging process of the linear array CCD, a linear array swing scanning type optical satellite geometric calibration model based on an equivalent area array is constructed; and step 3, solving geometric calibration parameters of the linear array sweep-type optical satellite by using the ground control point. According to the method, high-precision in-orbit geometric calibration of the linear array swing-scanning optical satellite can be realized, so that support
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subjects ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
title Linear array swing scanning type optical satellite in-orbit geometric calibration method based on equivalent area array
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