atmospheric extinction

Atmospheric spectral extinction measurements for the Gobi Desert were performed with a spectroradiometer and a Halon standard reference during June 1994 at the Gobi of Dunhuang, China.

1994年6月，利用光谱辐射计在中国西北敦煌西戈壁地区进行了一次大气衰减测量试验。

Statistical Characteristic on Atmospheric Extinction Coefficient and Impact Analysis on Meteorological Elements of Surface Layer of Inland Area

内陆地区近地面大气消光系数统计特征及气象要素影响分析

According to the statistics of the atmospheric extinction coefficient ( bext) in 2008, the major chemical composition are respectively sulfate, organic matter, elemental carbon, nitrate in the contribution rate decreasing order.

根据全年贡献率的统计，对大气消光系数（bext）的贡献率依次为硫酸盐、有机物、元素碳、硝酸盐。

Comparison among several methods for lidar probing of atmospheric extinction coefficient

几种激光探测大气消光系数方法的比较

On account of the advantages including small size, low cost, low atmospheric extinction ratio, eye-safe, etc., 2 μ m solid-state laser is thought to be the preferred laser source for coherent doppler lidar.

2μm固体激光器因其体积小、成本低、大气消光比低、人眼安全等优点，成为相干多普勒测风激光雷达的首选光源。

In this paper, the error in estimating the atmospheric extinction coefficient from the observed data of visibility in terms of Koschmieder visibility formula has been discussed.

本文讨论了在实际工作中用柯什密得能见度公式推算大气消光系数时可能发生的误差。

Correlativity of atmospheric extinction coefficient and real-time inversion computation for multi-wavelength laser

多波长激光的大气消光系数相关性及实时反演计算研究

Three methods with extinction coefficient as the center are presented. First, 532 nm atmospheric extinction coefficient was used to indirectly ( obtain) α(λ_1, z) and α(λ_2, z), This method has been used generally by people.

以消光系数为中心的三个方案，介绍了目前已普遍采用的方法、应用532nm大气消光系数间接求取α（1λ，z）和α（2λ，z）。

Firstly, 0.55 μ m atmospheric extinction coefficient can be resolved by using visibility, when it subtracts the extinction coefficient of atmospheric molecule, 0.55 μ m aerosol extinction coefficient can be obtained, and the number density of aerosol can be calculated by using Mie theory.

首先，由能见度求出波长0.55μm的大气消光系数，在减去大气分子的消光系数后得到0.55μm气溶胶的消光系数，使用Mie散射理论求出气溶胶粒子的数密度；

The results show that this system can directly be used in monitoring and measuring daytime atmospheric extinction coefficient or horizontal visibility, as the system is calibrated correctly.

实验结果表明，经过一定的对比和标定，该系统可直接用来测量、监测白天大气的消光系数或水平气象能见度。

A measurement of atmospheric extinction of solar visible radiation on the mountain area

高山地区太阳可见光辐射大气消光的观测研究

Atmospheric aerosol extinction coefficient reflects its extinction characteristics, which can be used for further discussing of other environment quality problems, such as through rate and visibility atmospheric.

大气气溶胶的消光系数反映其消光特性，依据该系数可进一步讨论透过率及能见度等大气环境质量问题，因此对大气气溶胶的消光系数测量有着重要的现实意义。

It was found that even on the mountain higher than 3000 m above sea level water vapor and aerosol are still the main factors of the atmospheric extinction.

指出，即使在三千米以上的高山大气中，水汽和气溶胶仍然是主要的消光因子。

By loaded on ships, aircraft and other carriers, it can do initiative remote sensing detection of atmospheric extinction coefficient or visibility. This has important significance for military applications.

将其装载在轮船、飞机等载体上对大气消光系数、能见度进行主动遥感探测具有十分重要的军事应用意义。