凝视
计算机科学
探测器
红外线的
亚像素渲染
无人机
万向节
点目标
目标检测
视野
光学
计算机视觉
人工智能
物理
航空航天工程
电信
模式识别(心理学)
像素
工程类
合成孔径雷达
生物
遗传学
作者
Ronald G. Driggers,Eytan Pollak,Robert Grimming,Ectis Velazquez,R. E. Short,Gerald C. Holst,Orges Furxhi
出处
期刊:Applied Optics
[The Optical Society]
日期:2021-05-03
卷期号:60 (16): 4762-4762
被引量:15
摘要
Airborne target detection in the infrared has been classically known as infrared search and track or IRST. From a military point of view, it can be described as target detection at long ranges where the target image is subpixel in size. Here, the target is “unresolved.” It can also describe the detection of aircraft near the observer using distributed apertures in a spherical detection field. From a commercial point of view, an important application is drone detection near live airport operations. As drones become more common, the dual-use functionality of IRST systems is expanding. Technology improvements for IRST systems include the wide proliferation of infrared staring focal planes. New readout integrated circuits allow for time-delay-integration of large format detectors. Stare-step sensors in the future appear to be as common as gimbal-scanned thermal imagers. Detection probability analysis and IRST sensor design is different than targeting system design. We provide a tutorial here on IRST system calculations as well as discussions on broadband versus spectral calculations and new technology considerations.
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