红外焦平面成像系统性能测试与分析
关键词：红外焦平面成像 MTF NETD MRTD Uniformity
Title Test and Analysis to Infrared Focal Plane Imaging System
Abstract
All objects in nature are in constant infrared radiation. We can
get the thermal infrared image corresponding to the radiation distribution
of the scene by probing and collecting these signals. This image is a
reproduction of different radiation and shows the characteristics of the
scene.
Infrared thermal imaging turns the target surface temperature distribution
into heat picture which is visible to human eyes. It also compensates for
the shortcoming of human visual acuity. Enhance the ability of
obtaining information.
Infrared focal plane array imaging technology is one of the most important
research directions in the field of optical imaging. We test parameters
such as MTF, NETD, Uniformity , provide the theoretical and
experimental basis for the study of infrared focal plane
array system in this subject.
Keywords Infrared thermal imaging system MTF NETD MRTD
Uniformity
目 次
1 绪论 .. 1
1.1 本课题研究背景和意义 .. 1
1.2 本课题的主要研究工作 .. 1
2 红外焦平面成像系统原理与性能评价 . 2
2.1 红外焦平面成像系统原理 2
2.2 红外焦平面成像系统性能评价 .. 3
3 红外焦平面系统主要性能指标及其物理意义 . 8
3.1 MTF 的定义及特点 8
3.2 NETD 的定义及特点 . 11
3.3 Uniformity 的定义及特点 . 14
3.4 MRTD 的定义及特点 . 16
3.5 MDTD 的定义及特点 . 19
3.6 SNR 的定义及特点 .. 20
3.7 SiTF 的定义及特点 . 20
3.8 FOV 的定义及特点 .. 22
3.9 Distortion 的定义及特点 . 22
4 METS 系统组成与测试基本原理 23
4.1 METS 系统组成 .. 23
4.2 METS 系统测试基本原理 26
4.2.1 MTF 测试基本原理 26
4.2.2 NETD 测试基本原理 .. 27
4.2.3 Uniformity 测试基本原理 .. 27
4.2.4 MRTD 与MRTD 测试基本原理 . 28
5 主要参数测试结果及分析 . 31
5.1 MTF 的测试结果及分析 . 31
5.2 NETD 的测试结果及分析 32
5.3 Uniformity 的测试结果分析 .. 33
5.4 MRTD 的测试结果分析 .. 34
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