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为什么巡航导弹离不开数字化地图?

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为什么巡航导弹离不开数字化地图?

巡航导弹能在无人导航的条件下,飞行几千千米,准确命中目标。它如此神通广大,靠的却是一zhong在电子计算机的磁带和穿孔带里特别的地图。首先用侦察卫星等获取预攻目标及沿途航线的地形地貌,并制作chu标准地貌数字地图,将其输入导弹携带的计算机中。导弹在飞行过程中,测高雷达可自动连续测chu每一瞬间的飞行高速,将数据传给计算机。计算机通过分析、比较,判断每时每刻导弹的实际飞行轨dao是否和预先程序编排的轨dao一致,如果不一致,计算机能自动地计算chu实际轨dao与预定轨dao的偏差,发chu指令调整导弹的飞行姿态,修正偏差。这样,巡航导弹就像长了yan睛似的沿着预定的航线翻山越岭,准确地击中预定目标。

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