线膛炮是在炮管内刻有不同数目的膛线的火炮。膛线能有效保证弹丸的稳定性，提高射程。现代（二战时期）大多数炮都是线膛炮，60年代以后大部分使用滑膛炮，线膛炮装填炮弹是弹头和药包分装的，虽然俄罗斯的滑膛炮也是分装的，但是俄罗斯有装弹器，威力提升空间大，线膛炮炮弹的药包限制了威力的提升。
提出了一种线膛炮内膛表面图像识别的分层次识别方案，并研究了膛线识别的算法。
In this paper, a multi-grade image recognition plan is proposed for inner-surface rifling images of a cannon and an arithmetic method for rifling recognition is also designed.
现代战争火箭炮与线膛炮重迭射击应用较多，而对两者的火力分配方法，现行《地面炮兵射击教程》却无明确规定。
Overlapping firing of rocket gun and rifle gun is applied frequently in the modern warfare, but the common method of fire distribution is definitely prescribed in the existing Artillery Firing Manual.
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