激光引信电流采样处理系统设计与应用

激光引信是一种对目标的高精度主动检测方案，广泛应用于空空导弹中。提出一种对激光引信电流采样信号进行调理和数字信号处理相结合的方案,处理后的信号将可用于调节激光器供电电压，以实现激光器恒流驱动的目的。为分析此方法的性能，给出了精确分析模型。结果表明，与传统的激光引信电源采样处理方式相比，对信号采样处理系统的硬件和软件进行优化设计，能够对采样的信号噪声幅值降低50%，可减弱激光引信发射功率抖动，大大提高激光引信的稳定性和精度。该处理系统成功应用于某型激光引信发射驱动电路中，经充分考核，验证了其有效性。

Design and application of data acquisition systems for drive source in laser fuze

Laser fuse is an important part of modern laser homing system.The technology is rarey used in air to air missile.The applicatiaon investigates the design of analog filters and DSP filters that reduce the influence of extraneous noise in data acquisition systems.The pulse constant current source for the semiconductor laser is designed.Mathematical model for precision analysis was formulated to evaluate the performance of the presented approach.A contrast was given to test the effectiveness of the method.The experiment results show that the noise of drive source is reduced by 50% in the inproved control, which is specified as high control precision and good stability.