Focal Plane Curve Splicing of Large Distortion Aerospace Remote Sensing Camera

Table 1. Mismatch angles of obtained by fitting 6 positions on different CCDsunit: (°)
View table
Table 1. Mismatch angles of obtained by fitting 6 positions on different CCDsunit: (°)
Detector θ₁ θ₂ θ₃ θ₄ θ₅ θ₆
CCD1 0 0.0418 0.0837 0.1255 0.1674 0.2093
CCD2 0.2093 0.2512 0.2931 0.3351 0.3771 0.4191

Table 2. MTF decline of each point before and after curve splicingunit: %
View table
Table 2. MTF decline of each point before and after curve splicingunit: %
Point CCD1 CCD2
Before After Before After
1 0.00 4.05 11.90 4.08
2 0.49 1.10 16.86 1.12
3 1.96 0.12 22.51 0.13
4 4.38 0.12 28.78 0.12
5 7.71 1.11 35.53 1.12
6 11.90 4.07 42.65 4.07

Table 3. Registration error between CCD multi-spectrum before and after curve splicingunit: pixel
View table
Table 3. Registration error between CCD multi-spectrum before and after curve splicingunit: pixel
Point CCD1 CCD2
Before After Before After
1 0.00 -0.64 1.60 -0.63
2 0.32 -0.32 1.93 -0.31
3 0.64 0.00 2.25 0.02
4 0.96 0.32 2.58 0.34
5 1.28 0.64 2.91 0.67
6 1.60 0.96 3.24 0.99

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Fuqiang Li, Dongjing Cao, Haibin Jiang, enping Lei, Weiguo Xiang, Yanhui Hao, Xuemin Wei, Wei Huang, Junlei Chang, Lianying Dou. Focal Plane Curve Splicing of Large Distortion Aerospace Remote Sensing Camera[J]. Acta Optica Sinica, 2020, 40(20): 2008001

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Paper Information

Category: Geometric Optics

Received: Jun. 5, 2020

Accepted: Jul. 6, 2020

Published Online: Sep. 19, 2020

The Author Email: Li Fuqiang (lfq19851126@163.com)

DOI:10.3788/AOS202040.2008001

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Mismatch angles of obtained by fitting 6 positions on different CCDsunit: (°)

Table 1. Mismatch angles of obtained by fitting 6 positions on different CCDsunit: (°)

Table 2. MTF decline of each point before and after curve splicingunit: %

Table 2. MTF decline of each point before and after curve splicingunit: %

Table 3. Registration error between CCD multi-spectrum before and after curve splicingunit: pixel

Table 3. Registration error between CCD multi-spectrum before and after curve splicingunit: pixel