Research for the jamming mechanism of high-frequency laser to the laser seeker

Accompanied by a wide range of applications and development of laser-guided weapons, laser-guided weapons optoelectronic countermeasures become a hot topic. High-frequency laser will be able to enter the enemy laser signal processing systems without encoded identification and a copy. That makes it one of the research directions of new interference sources. According to the principle of high-frequency laser interference, a series of related theoretical models such as a semi-active laser seeker coding identification model, a time door model, multi-signal processing model and a interference signal modulation processing model are established. Then seeker interfere with effective 3σ criterion is proposed. Based on this, the study of the effect of multi-source interference and signal characteristics of the effect of high repetition frequency laser interference are key research. According to the simulation system testing, the results show that the multi-source interference and interference signal frequency modulation can effectively enhance the interference effect. While the interference effect of the interference signal amplitude modulation is not obvious. The research results will provide the evaluation of high-frequency laser interference effect and provide theoretical references for high-frequency laser interference system application.