在微波暗室静区反射电平计算时常采用点源发射模型模拟天线的特性，它适用于低频段或方向性差的天线。
In calculation of reflected level of quiet zone in anechoic chamber, a spot emission model is often used to simulate antennas characteristic.
论文基于局地热平衡条件和组分有效发射率概念探讨了连续植被的热辐射方向性模型。
Based on the local thermal equilibrium and component effective emissivity concept the radiant model of continuous vegetation has been studied.
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