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What is Night Vision?

night vision system from a military utility vehicle driver assistance systems. With the help of this support system, the driver’s ability to anticipate higher in the process of driving at night or in low light, it can provide a more comprehensive and accurate information to the driver to potential danger or issue an early warning.

1, night vision system features

night vision systems allow the operator to identify the test dummy dressed in light clothing street a distance of about 210 meters, 41 earlier than the xenon headlights meters. In a pedestrian dressed in black, it may be about 92 meters ahead. This means that the use of night vision assist system can be night driving safety by 125% or more. At the same time, due to take full advantage of the potential hazard information also enables the driver to psychological pressure during the night while driving greatly alleviated, and thus make the process more comfortable and relaxed driving.

In the night vision system can be a potentially dangerous situation night lights outside the irradiation range is displayed on the windshield, so that the wide field of vision of drivers to avoid traffic accidents. Night vision system can help the driver see the situation in front of the car will glare at night.

night vision systems can not replace the lamp, it is only an auxiliary device. As the night vision system is expensive in the United States only as an option of luxury cars sold.

2, the working principle of the night vision system

Principle

It is a night vision system invisible infrared converted into visible light. 0 degrees above absolute object must radiate energy. The lower the temperature, the longer the wavelength. When the temperature is generally as infrared. When the temperature is about 800 degrees, radiation to visible light, a red-hot iron is why one can see the light. Infrared is invisible, at night there is no visible light, but infrared radiation is still, at different temperatures and the surrounding trees, the radiation of infrared wavelengths are also different. Because infrared radiation is very weak, it is converted into visible light is weak.

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