应用几何光学中的射线理论，直观地讨论了准定常波在时间平均基流中的传播，解释了定常波传播的纬向非均匀性。
The ray theory of geometric optics was applied to visually investigate the propagation of quasi stationary waves in time mean basic flow and interpret the zonal nonhomogeneity.
该系统以计算机为终端，配合光学系统和软件，进行了外场远目标成像试验，并对图像进行了非均匀性校正等处理。
With computer terminal, optic system and software, the outdoor experiments are carried out aiming at distant target, and the image are processed by nonuniformity correction etc.
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