surface emissivity

Field Measurement Methods for Thermal Infrared Spectral Emissivity of Terrestrial Surface Materials

地物目标热红外光谱发射率的野外测量方法研究

The measurement of the total emissivity of a solid surface in the black cavity which is immersed in liquid nitrogen and under high vacuum ( 10-6 torr) by steady caloric method is described.

本文提出了一个真空度为10~（-6）毫米汞柱，黑体腔四周浸泡在液氮中的固体的表面热辐射率的测定方法。

Temperature and surface emissivity are the two factors that determine the IR radiant intensity of an object.

影响目标红外辐射亮度有两个因素：表面温度和发射率。

Remote sensing of temperature profile and surface emissivity over land

陆地上空大气温度廓线及地面辐射参数的卫星遥感

Emissivity as a major thermal parameter is a physical quantities which reflects the thermal radiation ability of the surface.

发射率是表征物体表面热辐射能力的物理量，是一项重要的热物性参数。

This may be due to the film world does not have sufficient surface emissivity.

这不定是由于胶片上的网不背不具有不足的暗量.

Combined the theory of cavity radiation, a method was presented which selecting and/ or controlling thermal emissivity by defining micro-aperture 'combination on objects' surface.

结合腔体辐射理论，提出了在目标表面形成不同的微孔组合来选择及控制其发射率的方法。

The calculation of land surface temperature from thermal radiation requires the emissivity value of rock.

利用地表辐射（亮温）求取地面温度需要通过岩石比辐射率进行换算。

The colors have no effect on surface emissivity for the same kind of fabric.

对于相同材料的织物,颜色对发射率影响很小.

As-for the thermal infrared band, the thermal emissivity is the major factor of surface complexity.

在热红外方面，红外发射率差异是地表复杂性的表现之一。

Land Surface Temperature ( LST) Retrieval and Land Surface Emissivity ( LSE) Estimation from Landsat TM Data

利用LANDSAT TM数据进行地表比辐射率和地表温度的反演

With the addition of BN and boric acid, the boric acid salt glass phase formed on the surface of the samples plays the role of antireflective coating film, reduced the emissivity of the samples, and improved the absorptivity of the samples.

添加BN和硼酸后，样品表面形成的硼酸盐玻璃相充当了减反膜的角色，降低了样品的发射率，而又提高了样品的吸收率。

With the use of Cox-Munk model and shadowing function, the relation between sea surface reflectivity and incidence angle, reflectivity angle and wind speed is discussed as well as the relation of emissivity to incidence angle and wind speed.

利用Cox-Munk模型和遮蔽函数数值计算了海面的反射率随入射角、反射角、风速的变化，以及发射率随入射角和风速的变化关系。