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激光引信由于其性能优良获得了广泛的应用,但其自身也有对烟雾干扰敏感的不足,为了解决激光引信抗烟雾干扰的问题,在介绍引信工作原理的基础上,提出了一种新的、能够应用于引信抗烟雾干扰分析的双色技术。基于瑞利散射和米散射的分析,计算了不同烟雾环境下的紫外、红外双波长激光的散射比,结果表明:该比率在探测到目标时差异不明显,但在烟雾环境下常常大于2。结合理论分析,设计了一套验证系统,给出了其系统组成和测试方法,并给出了测试结果曲线,其实际比率大于3。双色比的理论可实现性和实验数据分析结果表明:应用双波长激光对烟雾散射的差异,可以确认该双色技术可应用于激光引信抗干扰,在烟雾浓度大时尤为有效。该方法同样适用于其他相关光学探测系统抗烟雾干扰。
Due to its excellent performance, laser fuze has been widely used, but it also has its own shortcomings of being sensitive to smoke interference. In order to solve the problem of smoke fuze interference of laser fuze, based on introducing the working principle of fuze, a new, Application of fuze anti-smoke interference analysis of two-color technology. Based on the analysis of Rayleigh scattering and the scattering of rice, the scattering ratios of UV and IR dual - wavelength lasers in different smoke environments were calculated. The results show that the ratio is not obvious when the target is detected, but it is often greater than 2 in the smoke environment. Combining with the theoretical analysis, a set of verification system is designed. The system components and test methods are given. The curve of the test results is given. The actual ratio is greater than 3. The theoretical realizability and experimental data analysis of two colorimetric ratio show that the application of dual wavelength laser to the difference of smoke scattering confirms that the two color technology can be applied to the anti-interference of laser fuze, especially when the smoke concentration is large. The method is also applicable to other related optical detection systems anti-smoke interference.