利用的定标星越多，计算的精确度就越高。
The calculation becomes more accurate if more reference stars are used.
在昨天发布的报告当中，美国国家医学院提出了一个解决方案：简单说来，就是给食品设定标准化评级-在每个食品的包装袋上标上0颗到3颗星或者审核标记。
The Institute of Medicine offered a possible solution in a report released yesterday: put a simple, standardized rating—zero to three stars or checkmarks—on every food package.
随着合成孔径雷达(SAR)图像定量应用的日益广泛和深入，定标已成为现代星载SAR遥感测量的必备技术条件。
With the increasingly extensive and in-depth application of quantitative Synthetic Aperture Radar (SAR) images, SAR calibration became a necessary technique in modern spaceborne SAR remote sensing.
基于滤光片辐射计的新型光辐射标准探测器在野外、机载和星上高精度辐射定标中具有广阔的应用前景。
The trap based filter radiometer is a key unit of new optical radiometric standard detectors, and has potential applications in radiometric calibration of field, air borne and space borne sensors.
研制的星上定标漫射板的空间稳定性能够满足航天应用要求。
So, the space stability of the diffuser panel used for onboard calibration can satisfy the spatial application demand.
星载微波辐射计外定标的关键问题是通过辐射传输方程计算天线入瞳处亮温。
The key issue in external calibration of microwave radiometer on board satellite is the determination of brightness temperature on the pupil of antenna by using radiative transfer equation.
星上定标是成像光谱仪光谱图像数据定量化应用的基础。
The onboard calibration is the basis for space-borne HSI to obtain accurately quantified spectral imaging data.
文中介绍了一种对地观测旋转扫描辐射计星上定标系统的设计。
This paper introduces a design of spaceborne calibration system for earth observation rotating scan radiometer.
天线方向图在轨测量是星载sar定标技术的关键部分。
Inflight measurement of antenna pattern is a key technology of spaceborne SAR calibration.
天线外定标是实现星载SAR天线方向图在轨测试的主要手段。
External calibration is key method used for spaceborne SAR antenna onboard measurement.
星上定标是成像光谱仪光谱图像数据定量化应用的基础。
Onboard calibration is the basis for space-borne HSI to obtain accurate quantified spectral imaging data.
采用这一途径，即使星上定标设备失效，也不致影响卫星数据的使用。
In this way the data transmitted from satellite will be effective even if the calibration equipment on the satellite is failed.
目前采用太阳漫射器的星上定标方法可以实现全视场、全孔径、端点到端点的定标。
At present, the use of a solar diffuser is a desirable approach to the on board absolute radiometric calibration. It provides a full aperture, full field and end to end calibration.
若以成员概率大于0 . 7的恒星作为团星的判定标准，则在5 0 1颗恒星中有165颗属于团星。
If stars with membership probability bigger than 0.7 are cluster stars, 165 stars are found to be probable members of NGC2548.
通过仿真模型建立、分辨面元提取与风矢量模糊解消除，分析了散射计地面与星载定标特性，给出了散射计工作特性仿真结果。
The resolution cell extraction method and the wind vector ambiguous solution are presented. The ground and space flight calibrating and scatterometer working characteristics are analyzed.
以EOS/MODIS的星上定标结果为标准，采用交叉定标方法标定FY1D/VIRR的可见光-近红外通道。
In this paper, the visible and near-infrared spectral bands of FY1D/VIRR were calibrated using cross-calibration methods based on the EOS/MODIS.
以EOS/MODIS的星上定标结果为标准，采用交叉定标方法标定FY1D/VIRR的可见光-近红外通道。
In this paper, the visible and near-infrared spectral bands of FY1D/VIRR were calibrated using cross-calibration methods based on the EOS/MODIS.
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