The first part is the analysis of why the low altitude is limited in frequency modification continuous wave Doppler navigation radar.

第一部分分析了调频连续波多普勒导航雷达存在低高度限制的原因。

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It can be applied in the navigation system of the modern weapon which is flighting at low altitude.

该方案非常适用于现代武器低空飞行时的导航。

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So, it can be applied in the navigation system of the modern weapon which is flighting at low altitude.

因此，该方案非常适用于现代武器低空飞行时的导航。

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