RD: No, we really mean open source when we say open source: everyone can commit changes based on their merit, not based on whether or not they are on our payroll.

RD：不，在我们说开源的时候，我们就真的打算开源：每个人可以靠其实力提交变更，而不是靠我们是否给他们发薪水。

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RD algorithm based on minimum entropy criteria carries out the correction phase errors caused by high squint Angle via searching error coefficients for improving the imaging focus effect.

基于最小熵准则的自聚焦rd算法在一般rd算法的基础上引入最小熵准则来补偿由于大斜视角引起的相位误差，改善图像聚焦效果。

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Based on the conventional RD model, different backscattering models are applied to simulation for different topographic characteristics, such as alpine terrain or flat terrain.

在传统RD模型的基础上，根据不同地形特征(起伏地形和平坦地形)考虑不同的后向散射模型。

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