如题所述
夜视技术是借助于光电成象器件实现夜间观察的一种光电技术。夜视技术包括微光夜视和红外夜视两方面。微光夜视技术又称像增强技术，是通过带像增强管的夜视镜，对夜天光照亮的微弱目标像进行增强，以供观察的光电成像技术。微光夜视仪，是目前国外生产量和装备量最大和用途最广的夜视器材，可分为直接观察（如夜视观察仪、武器瞄准具、夜间驾驶仪、夜视眼镜）和间接观察（如微光电视）两种。红外夜视技术分为主动红外夜视技术和被动红外夜视技术。主动红外夜视技术是通过主动照射并利用目标反射红外源的红外光来实施观察的夜视技术，对应装备为主动红外夜视仪。被动红外夜视技术是借助于目标自身发射的红外辐射来实现观察的红外技术，它根据目标与背景或目标各部分之间的温差或热辐射差来发现目标。其装备为热像仪。热成像仪具有不同于其他夜视仪的独特优点，如可在雾、雨、雪的天气下工作，作用距离远，能识别伪装和抗干扰等，已成国外夜视装备的发展重点，并将在一定成度上取代微光夜视仪。
夜视镜有两种，一种是微光夜视镜，一种是红外夜视镜。
微光夜视镜是把微弱的光放大了，而红外夜视镜是把红外线转为可见光。
红外夜视镜又分两种，一种是主动式的，一种是被动式的，主动式的就是夜视镜发出一束红外线，照到物体上再反射回来，相当于手电筒；被动式的则是把物体自身发出的红外线放大转化为可见光。
所以，在完全没有光的情况下，微光夜视镜是看不到东西的。如果没有红外源的话（大多数能产生热量的东西都能成为红外源，如生物、车辆、火焰等），被动红外夜视镜也是看不到东西的。
而主动红外夜视镜在任何情况下都能看到东西。不同的夜视镜有不同的适用场合，微光夜视镜适合野外有星光或月光的时候使用。
因为夜视镜只显示单色，而它的显示屏是绿色的（你可以注意到很多仪表的显示屏都是绿色的），所以你看到的是绿色的。
Night-vision technology is achieved by means of optical imaging device is a night-time observation of photovoltaic technology. Night-vision technology, including night vision and infra-red night vision in two ways. Night Vision technology, also known as the image intensifier technology, through the image intensifier tube with a night-vision goggles, to illuminate the night sky as to strengthen the weak targets for observation of electro-optical imaging technology. Night vision, which is the amount of foreign production and equipment, the largest and most versatile night vision equipment, can be divided into direct observation (such as night-vision observation devices, weapon sights, night driving instrument, night vision glasses) and indirect observation (such as low-light television) two kinds. Infrared night-vision technology is divided into active and passive infrared night vision technology, infrared night-vision technology. Active infrared night vision technology is the goal through active exposure to and use of infrared reflectance infrared light source to implement the observed night-vision technology, which corresponds to active-infrared night vision equipment. Passive infrared night vision technology is the goal of their own by means of infrared radiation emitted to achieve the observed infrared technology, which depending on the target or target and background temperature difference between the various parts or thermal radiation to find the goal difference. Their equipment for the thermal imager. Thermal imager with a different from the other night-vision of the unique advantages, such as in fog, rain, snow weather work, the role of distance, can identify the camouflage and anti-jamming and so on, has become the focus of development of foreign night-vision equipment, and a certain degree on the place into a night vision.
Night-vision goggles, there are two, one is low-light night-vision goggles, one is infrared night-vision goggles.
Low-light night-vision goggles is to weak optical amplification, while the infrared night-vision goggles is to infrared light into visible light.
Infrared night-vision goggles was divided into two kinds, one is active, and one is passive, and active is to send a bouquet of infrared night-vision goggles, shine on an object and then reflected back, which is equivalent flashlight; passive while is to issued its own objects into visible light, infra-red amplification.
So, in the case of no light, low-light night-vision goggles can not see things. If there is no infrared source, then (most can produce things that can be an infrared heat source, such as biological, vehicles, fire, etc.), passive infrared night-vision goggles is unable to see things.
And active infrared night-vision goggles under any circumstances can see things. A different application of night-vision goggles have different occasions, low-light night-vision goggles are suitable for field use when the starlight or moonlight.
Because the display only monochrome night-vision goggles, and its screen is green (you can note that many instruments are all green screen), so you see is green.
夜视镜有两种，一种是微光夜视镜，一种是红外夜视镜。
微光夜视镜是把微弱的光放大了，而红外夜视镜是把红外线转为可见光。
红外夜视镜又分两种，一种是主动式的，一种是被动式的，主动式的就是夜视镜发出一束红外线，照到物体上再反射回来，相当于手电筒；被动式的则是把物体自身发出的红外线放大转化为可见光。
所以，在完全没有光的情况下，微光夜视镜是看不到东西的。如果没有红外源的话（大多数能产生热量的东西都能成为红外源，如生物、车辆、火焰等），被动红外夜视镜也是看不到东西的。
而主动红外夜视镜在任何情况下都能看到东西。不同的夜视镜有不同的适用场合，微光夜视镜适合野外有星光或月光的时候使用。
因为夜视镜只显示单色，而它的显示屏是绿色的（你可以注意到很多仪表的显示屏都是绿色的），所以你看到的是绿色的。
Night-vision technology is achieved by means of optical imaging device is a night-time observation of photovoltaic technology. Night-vision technology, including night vision and infra-red night vision in two ways. Night Vision technology, also known as the image intensifier technology, through the image intensifier tube with a night-vision goggles, to illuminate the night sky as to strengthen the weak targets for observation of electro-optical imaging technology. Night vision, which is the amount of foreign production and equipment, the largest and most versatile night vision equipment, can be divided into direct observation (such as night-vision observation devices, weapon sights, night driving instrument, night vision glasses) and indirect observation (such as low-light television) two kinds. Infrared night-vision technology is divided into active and passive infrared night vision technology, infrared night-vision technology. Active infrared night vision technology is the goal through active exposure to and use of infrared reflectance infrared light source to implement the observed night-vision technology, which corresponds to active-infrared night vision equipment. Passive infrared night vision technology is the goal of their own by means of infrared radiation emitted to achieve the observed infrared technology, which depending on the target or target and background temperature difference between the various parts or thermal radiation to find the goal difference. Their equipment for the thermal imager. Thermal imager with a different from the other night-vision of the unique advantages, such as in fog, rain, snow weather work, the role of distance, can identify the camouflage and anti-jamming and so on, has become the focus of development of foreign night-vision equipment, and a certain degree on the place into a night vision.
Night-vision goggles, there are two, one is low-light night-vision goggles, one is infrared night-vision goggles.
Low-light night-vision goggles is to weak optical amplification, while the infrared night-vision goggles is to infrared light into visible light.
Infrared night-vision goggles was divided into two kinds, one is active, and one is passive, and active is to send a bouquet of infrared night-vision goggles, shine on an object and then reflected back, which is equivalent flashlight; passive while is to issued its own objects into visible light, infra-red amplification.
So, in the case of no light, low-light night-vision goggles can not see things. If there is no infrared source, then (most can produce things that can be an infrared heat source, such as biological, vehicles, fire, etc.), passive infrared night-vision goggles is unable to see things.
And active infrared night-vision goggles under any circumstances can see things. A different application of night-vision goggles have different occasions, low-light night-vision goggles are suitable for field use when the starlight or moonlight.
Because the display only monochrome night-vision goggles, and its screen is green (you can note that many instruments are all green screen), so you see is green.
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第1个回答 2018-03-24
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