提出了用介质圆柱光子晶体作微波天线的柱抛物面反射镜,用多重散射方法计算了反射镜的透过谱,并模拟计算了天线的电场分布,初步认为可以用非晶光子材料作微波天线的反射镜。
We calculated the transmission of the mirror and the distribution of electric field by using multiple scattering method. The result shows that it can be used as a reflecting mirror of an antenna.
提出了辐射光谱、测量区域内大气透过率谱的算法模型,以及应用非线性最小二乘拟合算法实现气体浓度反演的方法。
The algorithm of radiance spectra and transmittance spectra in measured region was proposed, and the method of retrieving gas concentrations with NLLS fitting algorithm was also proposed.
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.
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