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FM radio altimeter
释义
FM radio altimeter
Encyclopedia
工学
无线电频率导航
释
FM radio altimeter
调频式无线电高度表
利用频率调制的无线电信号,通过测量发射信号和经地面反射信号间的差拍频率,获得飞行载体相对地面的垂直距离(即相对高度)的无线电频率测高设备。
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clopen set
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Clorinda Matto de Turner
closable manifold
closable operator
closable positive definite form
close
closeable operator
close arc
close binary
close binary galaxy
close binary star
close binary system
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close-confinement
close coupling approximation
close-coupling approximation
close coupling calculation
close-coupling calculation
close cultivation of grassland
close curve
closed
closed-and-open set
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