The method of obtaining it by using the velocity vector and location information is put forward, which is compared with the method of track extrapolation.

提出了利用速度向量及位置信息求取照射角的方法，并与航迹外延法求照射角作比较，提出了基于照射角的雷达调度策略。

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According to different activity contents, the combination method of physical extrapolation and price index is applied to account.

根据不同的活动内容，利用相关指标采用物量外推和价格指数相结合的方法核算。

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For the problem of image enhancement, an improved nonlinear extrapolation method in frequency space is proposed.

针对图像增强的问题，提出了一种改进的频域非线性外推方法。

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