CPLD在红外密集度光电立靶测试系统中的抗干扰的应用

通过对光电靶原理的分析,证明了弹丸所引起的光电靶输出信号与声波、蚊虫等所引起的光电靶输出信号是不同的。在此基础上,提出了一种利用CPLD(complexprogrammablelogicdevice)器件实现抗干扰电路的方法。仿真分析和应用结果表明:该电路能有效地抑制声波和蚊虫等带来的干扰,明显地提高了电路的抗干扰能力,保证了测试结果的可靠性和精确性。

Application of CPLD in infrared photoelectric target

Some problems brought voice by flying insects are discussed.After the theoretical analysis, the conclusion is gotten that the voice ,insects and bullets will result in defferent output of photoelectric target.On the basis of this,a resisting disturbance circuit is proposed with CPLD and applied in engineering project.The simulative analysis and practical application demonstrate that disturbance brought about the voice and flying insects is effectively restricted and the disturbance restriction ability of circuit is greatly improved,which ensures reliable and accurate of measurement result.