通过分析目标谱分布，并运用MODTRAN模拟计算背景程辐射和整层大气透过率，得到对应不同目标的权函数。
The weight functions were obtained by analyzing target spectra distribution and background radiance, transmittance computed by MODTRAN.
强激发光产生的饱和激发会改变激光诱导荧光的空间分布函数，从而影响荧光关联谱的测量结果。
Saturated excitation by a strong excitation beam will alter the spatial distribution function of the laser induced fluorescence, therefore affect the results of FCS measurements.
根据权函数谱分布以及最佳指数函数(OIF)并结合卫星通道用途，最终得到用于下垫面分类的卫星优化通道选择结果。
Satellite optimum bands for underlying surface classification were selected by using weight function spectra distribution, optimum index function (OIF) and the usages channels of MODIS.
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