The method and its engineering realization of measuring long distance projectile rotating speed by means of radio fuse trajectory monitoring principle are developed.
研究利用无线电引信弹道监测原理进行长路径弹丸转速的测量方法和工程实现途径。
A radio navigational aid for determining the distance from a selected DME ground station by measuring the time of transmission to and from it.
飞机上的一种无线电导航设备，通过测量电波往返飞机和预选地面（DME）台之间所需要的时间来确定两者间的距离。
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