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我国主导的第一项无人机领域国际标准ISO 21895:2020《民用无人驾驶航空器系统分类及分级》正式发布

我国主导的第一项无人机领域国际标准ISO 21895:2020《民用无人驾驶航空器系统分类及分级》正式发布

2020年2月7日，由我国主导的第一项无人机领域国际标准ISO21895:2020《民用无人驾驶航空器系统分类及分级》正式发布。该标准是国际标准化组织航空航天器技术委员会无人机分技术委员会（ISOTC20/SC16）发布的第二项标准，该标准的发布标志着中国在无人机领域技术和市场的国际认可。 《民用无人驾驶航空器系统分类及分级》国际标准由中国航空综合技术研究所主导编制，自2016年10月立项以来，该

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各企业老板及员工 开工疫情防控指南请查收！

各企业老板及员工 开工疫情防控指南请查收！

为了应对企业的复工上班问题，近日国家卫健委针对目前对新型冠状病毒情况，紧急编印了《新型冠状病毒防控指南》，希望复工企业必须认真学习阅读，并积极做好有关上班防控工作。1、上班途中务必做到：戴好口罩为避免人群交叉病毒感染和人群之间间接性传播，近期建议上班小伙伴选择步行、骑行或者开私家车上下班，尽量避免乘坐公交车或地铁交通工具上下班，如果非要乘坐公交或地铁上下班的小伙伴，一定要佩戴好一次性医用口罩或N9

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2020

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Changchun Tongshi Optoelectronic Technology Co., Ltd. New Year Message

Changchun Tongshi Optoelectronic Technology Co., Ltd. New Year Message

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Laser night vision instrument

Laser night vision instrument

Composition of laser night vision device: internal industrial-grade embedded control electronic system, which realizes high stability control of camera magnification, focusing, video switching, pan-tilt pitch/rotation. The overall shell adopts super aluminum alloy to reach IP66 protection grade, ensuring long-term operation of the equipment in harsh field ring mirror. Laser night vision features: color to black and white: using ultra-low illumination infrared camera design, with laser infrared lighting system, to achieve color during the day and night black and white all-weather real-time monitoring. Adjustable laser spot: Using special laser electric lens, the illuminance angle and light intensity of the laser spot can be adjusted in real time to realize no blind spot night

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Classification of Photoelectric Imaging Systems

Classification of Photoelectric Imaging Systems

It is divided into active imaging system and passive imaging system, direct-view imaging system and inter-view imaging system, low-light imaging system and infrared imaging system. Photoelectric imaging systems are divided into three categories according to the objective lens system: refractive system, reflective system and catadioptric system. Refractive system Refractive objective system is easier to correct aberrations, can obtain a larger field of view, simple structure, easy alignment. Refractive objective lenses commonly used in optical systems are of the double Gauss type and the Pitzvat type. Reflective system reflective objective lens can be made into a large aperture, and the focal length can be longer, easy to obtain, that is, metal materials can be used, or ordinary glass can be used to plate a layer of metal on it.

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Photoelectric imaging system

Photoelectric imaging system

Direct-view imaging systems include active infrared imaging systems and low-light imaging systems. They consist of an objective lens group, an image tube and an eyepiece group, and the human eye observes the target image on the fluorescent screen of the image tube through the objective lens. Intervision imaging system is to directly observe the target image on the silver light screen of the monitor with the human eye. Such systems include low-light television systems and thermal imaging systems. The optical system of the low-light-level television system is mainly the low-light-level imaging objective lens; the optical system of the thermal imaging system includes the scanning optical system and the relay optical system in addition to the infrared imaging objective lens. No matter what kind of imaging system must have the corresponding optical system to image the scene on the photoelectric receiver, so the optical system is

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Photoelectric reconnaissance

Photoelectric reconnaissance

Photoelectric reconnaissance, the use of photoelectric equipment to receive and process the target's own or reflected by its optical radiation, in order to find and identify the target's reconnaissance method. According to the reconnaissance environment, it is divided into ground reconnaissance, maritime reconnaissance, aviation reconnaissance and space reconnaissance; according to the working principle of the equipment, it is divided into visible light reconnaissance, infrared reconnaissance, laser reconnaissance, television reconnaissance, low-light reconnaissance, etc.; according to the working mode of the equipment, it is divided into active reconnaissance and passive reconnaissance. The equipment used for photoelectric reconnaissance mainly includes: (1) optical reconnaissance equipment, including telescope, reconnaissance theodolite, optical rangefinder, artillery mirror, periscope, compass, etc. (2) Night vision devices, including active infrared night vision devices, low-light night vision devices, low-light television, night vision glasses, and thermal imaging devices. (3) TV camera. (4) Multispectral photographic equipment. (5) laser range finder.

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All rights reserved:Changchun Tongshi Optoelectronic Technology Co., Ltd.Website:300.CN SEO