激光靶海量通道信号模块化并行采集系统设计

为了解决测试弹幕武器弹着点激光靶信号通道过多的难题，提出了模块化的系统组成以及基于现场可编程门阵列加中央处理器的并行数据采集方案，分析了被测弹丸飞行参量及数据采集和存储速度要求，给出了平行阵列激光靶的坐标定位原理，设计了结构简单、可靠性高的光电检测电路，推导了电路灵敏度调整方法，并进行了数据采集实验验证。结果表明，该系统易安装调试、工作可靠性高，采集和存储速度满足弹幕武器密集度测试需要。

Design of modularized parallel signal acquisition systems with massive channels for laser screen targets

In order to resolve the difficulty of massive laser target signal channels during testing barrage weapons dispersion, a modularized system connected with parallel data acquisition scheme based on field-programmable gate array ( FPGA ) and central processing unit was presented. Trajectory parameter, data acquisition speed and storing velocity of the measured projectile were analyzed. Coordinate measuring principle of parallel line laser detector array was given and photoelectric detection circuit with brief and high reliability was designed. Adjustment method of circuit sensitivity was derived and data acquisition was verified by experiment. The results show that this acquisition system is easy to install and debug, and has high functionality reliability. Acquisition speed and storing velocity can meet the demand of barrage weapons dispersion measuerment.