In order to abate the effects from the background disturbance in the system of laser proximity fuze, such as the smoke, mist, rains, clouds, snow and other artificial disturbances, a device based on the "dual range gate" techniques is designed. It can eliminate the natural interferences and disturbance as the rounds with pulse laser proximity fuze flights in the atmosphere. And moreover its detecting ranges reach 10 meters. The device improves greatly the anti-disturbance performance of the pulse laser proximity sensors.

Muzzle velocity is an very important parameter in the small caliber air defense flake system with timing fuze. The precise, instant measurement of the muzzle velocity of each round can greatly improve the weapon's air defense efficiency by adjusting the time constant according to its real muzzle velocity. The theory and implementation of the measuring system is introduced. As key point in the ystem, the error control steps are detailed to discuss especially about the magnet washer. Besides, to reduce time consummation for calculation, a novel arithmetic based on pre-calculated table was put forwarded. Experiments have shown that this muzzle velocity measuring system has the advantages of muzzle attachable, high precision and short process time.

本文结合传感器技术的发展以及对引信技术的推动，对固态传感器、光传感器、磁传感器、陀螺传感器、MEMS传感器的发展进行了论述，说明了武器系统的发展与传感器的关系，在此基础上，根据国外正在开展的武器系统的研究，以及在近期开展的引信关键技术研究，详细的分析和介绍了MEMS技术、磁探测技术、硬目标侵彻可编程技术、激光技术在引信中的应用，第二环境力在非旋弹引信中的应用、GPS与IMU技术在引信中的应用及多选择技术的发展、感应装定技术的发展等。介绍了以美国为首的北约集团在近期的引信技术的发展。特别是美国对引信项目的管理结构、生产程序、发展计，在分析跟踪的基础上对我国引信科研及管理体制提出了一些设想。在跟踪研究的基础上，提出了在我国现有的生产制造条件下，应如何开展MEMS工作和今后的对策和研究设想。

本文论述了信息化下的小口径高炮近程反导的几种体制，并分析了相应的小口径高炮空炸引信的作用体制，提出了信息装定的三种体制及使用方向，以及电源的选用途径。并对进一步开展小口径高炮空炸引信提出了建议。

本文较系统的论述了反坦克弹药的现状与发展，以及反坦克炮弹药的引信现状，提出了用于穿甲弹、破甲弹的引信技术方案，对两种弹的引信设计有一定的指导和参考价值。