初速时测技术可通过炮口线圈测速、外推法、弹载传感器及地磁计转数法实现。
Measuring velocity technology can be actualized by muzzle loops, extrapolating method, on-board sensor and GMR (the giant magnetic resistance) turns-counting.
在计转数空炸引信测试中，可编程引信作用距离是关键量，而全备弹丸飞行转动圈数则是求取该关键量的测量难题。
The projectile flying rotation number is a key parameter to obtain the fuse operating distance in proximity fuse measurement by counting rotation number.
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