弹径

由于导引头具有很宽的工作频率范围，天线孔径尺寸受弹径限制，因此导引头的角分辨率低。

Due to its wide operating frequency range and its restricted antenna aperture by missile diameter , the angular resolving power of ARRS is limited .

其主要影响因素有管的材料性质、径厚比、长径比以及子弹和管的弹径比。

The main influent factors include material properties , the proportion of diameter to thickness and diameter to length , and the proportion of diameter of missile to that of tube .

它能较好地提高激光引信的抗云雾干扰性能、改善引战配合效率，非常适用于小弹径的空空导弹。

It can improve the performance of fuze warhead coordination and anti cloud and mist interference of the laser fuze and is very suitable for a small calibre air to air missile .

系统分析了弹靶材料的动态屈服强度、杆弹的长径比对侵彻性能的影响。

The effects of dynamic yield strength of the rods and target material , the ratio of length to diameter of the projectile on penetration performance were analyzed .

为了研究破片模拟弹的终点弹道效应，进行了不同质量A3钢钝头弹（弹径25mm）撞击45钢板的试验研究，其中A3钢强度弱于45钢。

For researching the ballistic trajectory effect of the fragment simulation projectile , the experiment that A3 steel cylindrical projectiles ( diameter of projectile 25 mm ) impacting 45 steel plates is conducted . The intensity of A3 steel is less than that of 45 steel .