辐射亮度
- 网络radiance;Spectral Radiance
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大气Limb辐射亮度模拟及其敏感性分析
Simulation on Radiance from Atmospheric Limb Scattering and Sensitivity Analysis
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介绍了一种使用溴钨标准灯、烟熏MgO漫反射白板、国家光强度副基准及国家色温度副基准建立(50~500)cdm2亮度水平下光谱辐射亮度标准(380~780)nm的方法。
A method for realizing the spectral radiance standard with level ( 50 ~ 500 ) cd / m 2 is presented . It is based on the national secondary standards of luminous intensity and color temperature , halogen lamp and white diffusing plate smoked MgO .
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SPOT数据反演地物辐射亮度和反射率的基础研究
Study on Inversion of Radiance and Reflectivity with SPOT Data
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MODIS数据在测量地物辐射亮度和反射率特性中的应用
Application of MODIS Data to Determine the Reflectivity and Emissivity of Ground Object
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HJ-1A卫星CCD相机入射光谱辐射亮度的分析
The Incident Spectral Radiance of HJ-1A Satellite CCD Camera
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然而,利用SPOT数据进行地物辐射亮度和反射率的测量也有其高空间分辨率的优势,可以更精细地分辨各类地物的细节,降低混合像元对于定标分析的影响,提高定量遥感分析的准确度。
However , using SPOT high spatial resolution data can distinguish the ground objects efficiently in detail and improve the accuracy of radiometric calibration and quantification of remote sensing .
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通过黑体对系统的光谱响应进行标定,由两点温度校准得到测量光谱的辐射亮度谱。在一定的距离内实测并分析计算出了CO2红外吸收波段的大气透过率谱。
Calibrating spectral response of system based on two_point temperature with blackbody , the transmittance spectra of CO_2 IR absorption band was analyzed and calculated depending on the measurement data .
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硫酸钡漫反射板在250~400nm光谱辐射亮度标定中的应用研究
Application of BaSO_4 Diffuser Plate in 250-400 nm Spectral Radiance Calibration
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通过比较铸件的计算机图形RGB三色辐射亮度,建立铸件表面的辐射亮度等高线;
It can be gotten the contour lines of radiation illumination on castings ' surface through comparing its values of three colors red , green and blue in computed graphs .
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该高温计测量黑体的光谱辐射亮度,结合有效波长原地测量技术,直接依据Planck辐射定律计算被测温度,具备单一参考点分度确定温标的技术能力。
According to Planck 's law and combinig the effective wavelength determination technology in situ , spectral radiance of a blackbody was measured by this pyrometer to calculate the blackbody temperature .
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依据月球表面温度分布以及由DEM对应构造的月球表面月壤厚度,由起伏逸散定理,模拟计算了3,7.8,19.35,37GHz四个通道平行分层月壤微波辐射亮度温度的月球表面分布。
Based on the correspondence of the DEM and lunar regolith layer thickness , and employing the physical temperature distribution over lunar surface , brightness temperature of lunar regolith layer is numerically simulated by a parallel layer model using the fluctuation dissipation theorem .
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在采用NETD计算红外热像仪的探测距离时,需要计算目标在热像仪探测波段范围内的辐射亮度差。
When the detection range of the IR thermal imager is calculated by using NETD , the target radiation brightness difference must be calculated in the operating wave band .
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CE-318主要用于测量太阳和天空在可见光和近红外的不同波段、不同方向、不同时间的辐射亮度。
CE-318 is mainly used in the measurement of the radiative intensity of sun and sky which lies in visible light and near infrared band in different band , direction and time .
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紫外、真空紫外光谱辐射亮度标定技术
The calibration techniques of ultraviolet and vacuum ultraviolet spectral radiation brightness
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纹理是遥感图像的重要特征,它揭示了图像中辐射亮度值空间变化的重要信息。
The texture is one of the important features of remote sensing images .
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红外海天背景辐射亮度的理论计算
Theoretical calculation of the radiance of the infrared sea and sky background radiation
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选择较短波长可提高辐射亮度的饱和温度,以扩大比色测温范围。
Therefore , the shorter wavelength should be used to extend temperature measuring range .
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辐射亮度相对论性变换关系的研究
Study on the relativistic transformations of the brightness
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星载光谱辐射亮度绝对定标装置
Spectral Radiance Absolute Calibration System for Satellite
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(50~500)cd/m~2亮度水平下的光谱辐射亮度标准
Spectral Radiance Standard with Level ( 50 ~ 500 ) cd / m ~ 2
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影响目标红外辐射亮度有两个因素:表面温度和发射率。
Temperature and surface emissivity are the two factors that determine the IR radiant intensity of an object .
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表面喷涂硫酸钡的漫反射板正入射时是最接近朗伯特性的用于标定光谱辐射亮度的实用漫反射板。
Sprayed BaSO 4 diffuser plate is the most Lambertian surface actually used in spectral radiance calibration known by now .
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在简要分析大气透过率的基础上,提出了一种基于大气光谱辐射亮度的计算大气透过率的新方法,并详细地介绍此方法的理论推导过程。
On the basis of analysis atmosphere spectral radiant brightness , a new method of calculating the atmosphere transmissibility is introduced .
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这是一台光谱测量范围宽、测量重复性好、自动化程度高和测量速度快的标准仪器。可用于光谱辐射亮度和光谱辐射照度的量值传递。
It can be used as a standard instrument for the calibration of radiance and irradiance , with high level automation and faster measurement speed .
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如果混合像元组分间的温度及发射率存在明显差别,就可以从多角度热辐射亮度变化中分离出组分温度的信息。
If the emissitivity or temperature of components is obviously different , the information of components temperature can be extracted from the multi angle radiance data .
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同时,利用红外测温仪测试它们的燃烧温度。并对药柱燃烧温度同辐射亮度之间的关系进行了分析。
In the same time , using the infrared thermometer to test its burning temperature , and analysis the connection of burning temperature and radiation intensity .
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得到冰雪遥感中辐射亮度温度和各物理参数之间的定量的函数关系,并与实验数据取得很好的一致。
The polarized brightness temperature and the functional dependence on various parameters are obtained , and are well compared with experimental data in snow remote sensing .
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为了研究金属电爆炸现象,采用多通道光学高温计对金属桥箔和金属桥丝电爆炸产生的等离子体光谱辐射亮度进行了测量。
For investigating the characteristics of metal explosion , the multichannel optic pyrometer was used to measure the radiation intensity of the plasmas produced by metal conductor explosion .
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发展了一个用于卫星大气订正的参数化模式,包括一个新的程辐射亮度模式和一个参数化的朗伯地表&大气辐射耦合引起的亮度增量模式。
A simple but accurate model of the upwelling solar radiance is of great significance for the atmospheric correction in the case of satellite remote sensing of surface parameters .
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只有当等离子体中存在局域热力学平衡状态时才有确切的温度定义。本文在局域热力学平衡的假定下,根据原子谱线辐射亮度与温度之间的关系,测定了氩等离子体射流中的温度分布。
Based on the assumption that LTE prevails in an argon plasma jet , the temperature distribution across the plasma jet was determined by using the absolute intensity method .