visibility range

  • 释义

    显示距离;了望距离

数据更新时间:2026-08-21 15:31:57
1、

Atmospheric attenuation of scene contrast is studied theoretically on the basis of radiometric principles, and the relationships between the measured maximal detection range for a target and visibility distance under two possible conditions are obtained.

根据辐射度学原理,从理论上研究景物对比度在大气传输中的衰减,得到了在两种可能的条件下所测得的目标最大探测距离与能见距离的关系。

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2、

According to the parameters such as minimum detectable power, range and reflectivity of simulant target, meteorological visibility and optical efficiency, the maximum range of laser altimeter was figured out by the range-finding equation.

将最小可探测功率、模拟目标距离、目标物反射率、光学效率等参数代入最大测程推算方程,得出激光高度计最大测程指标。

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3、

It was the best time for snorkeling, since the visibility at high tide is not good enough and the water is too shallow at low tide. great diurnal range

这是潜水的最好时候,因为涨潮时能见度不够高,而潮落时水又太浅。日较差大潮潮差大潮高高潮和大潮低低潮的潮高差大日较差

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4、

Raised visibility range for VASI lights at night.

VASI(跑道两侧灯光)在夜间视距内会高于地面.

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5、

The emluator shows that if the signal power and the atmosphere visibility is enough, the bit-error rate of the laser signal will be very low even through the span beyond the visual range, so the establish of the reliable atmospheric laser communications is possible in the fog.

仿真结果表明,在一定的信号光强和能见度的情况下,即使传输距离超出能见度范围,激光信号传输的误码率也比较低。因此,在雾中建立可靠的大气激光通信是可能的。

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