查询词典 emissivities

The relationship between the emissivity and wavelength of the flame was linearly fitted at three points in turn and optimized by GA to obtain the temperature and the emissivities of the flame.

该方法对火焰发射率与波长的关系依次进行了三点直线拟合，并通过遗传算法进行了优化，从而得到了发光火焰的温度和发射率。

Two low infrared emissivities of adhesives coating are obtained: silicone varnish and EPDM_g_AA polymer.

研究了红外隐身涂料粘合剂的物理和化学性能，以及红外隐身涂料粘合剂、填料、颜料颗粒的红外发射率。

The error analysis shows the fitting curve is almost accorded with the measured one.It reveals the change rules of radiation temperatures of objects which are made of material with different emissivities with skin temperatures.

误差分析表明，拟合曲线与实测曲线基本吻合，反映了使用不同发射率材料的目标的辐射温度随表面温度变化的规律。

By processing the measured data of the multiwavelength pyrometer at two different time, the true temperatures and spectral emissivities at two different time can be simultaneously calculated.

实验结果表明，其真温计算值与火箭发动机设计者提供的理论值之差在± 2 0K以内，说明该方法是解决固体火箭发动机羽焰温度测量的可行性方法

Based on the split window method, the classification of the ground land cover types, and the given spectral emissivities range in thermal infrared bands for each ground class and the fact that the actual land surface temperatures are the same for all thermal bands of MODIS, the land surface temperature were determined by means of maximum correlation and least square fit.

因此，本文在地表温度遥感定量反演的局地分裂窗算法的基础上，依据MODIS的多个热红外通道，其中的任意两个通道组合，通过分裂窗算法得到的地表温度都应该相等这样一个事实，在对地物进行分类的基础上，给定地物的波段比辐射率的范围，借助于两组温度之间的最大相关和最小方差，通过迭代的方式得到地表温度和分裂窗算法所使用的MODIS热红外通道的波段比辐射率。

The accuracy of spectral emissivities is estimated better than 5%.

标 签 发射率脉冲加热积分球反射法动态测量

A continuous measurement method based on brightness temperature is proposed by processing the measured data of the multiwavelength pyrometer at two different times, the true temperatures and spectral emissivities at two different times can be calculated simultaneously.

2提出了基于亮度温度模型的连续测量法，通过处理多波长温度计两个不同温度处的测量数据，可以同时求得两个不同温度处被测目标的真温及光谱发射率，试验表明：该方法可以提高计算精度。

Two low infrared emissivities of adhesives coating are obtained: silicone varnish and EPDM_g_AA polymer .

通过研究发现，铝粉和氧化铅具有较低的发射率，并得到了以有机硅清漆和EPDM接枝聚合物为基体的低红外发射率涂料，它有助于对红外隐身涂料粘合剂、填料、颜料颗粒的选择。

Based on directional law of thermal infrared radiance of non isothermal mixed pixel, the directional model of continuous vegetation has been established and the relationship between the component effective emissivities and var...

文中以非同温混合像元热红外辐射方向性规律为基础，建立了连续植被类型非同温混合像元热红外辐射模型，用蒙特卡罗方法模拟分析了连续植被的组分有效比辐射率与变量的关系。

Presently there exists no convenient method to determine the baking temperaiure for glass vacuum chamber which uciuall plays an important role in the acement of required vacuum circumstance in high-vacuum system made of glass,In this paper approximate method was represented to calculate the baking temperature of glass surface by the emissivities of appropiate materinl surface,determining the baking temperature difficult to be tested by the relation ship recommanded by the paper and the indication of an ausa...

在高真空系统中，真空室的烘烤温度对获得要求的真空氛围有着重要的影响，对于玻璃制作的真空系统，目前对于该温度的确定缺少一种较为简单易行的方法，本文基于辐射换热分析提出了具有通用性的利用材料表面辐射率来计算玻璃表面烘烤温度的近似方法，将这难以直接测量的温度通过附设热电偶的示值和本文推荐的关系式来确定，于实际情况相比较为吻合。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。