A laser seeker jamming strategy based on wave gate decoy
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摘要: 为了提高诱偏干扰成功概率，克服同步干扰过程中干扰信号偏移量及干扰成功概率基本固定、干扰信号和制导信号同时出现在波门内时，引起导引头有机会和条件采取进一步抗干扰措施等问题，根据实时波门的原理，提出一种基于波门诱偏的激光导引头干扰新方法，分析了诱使波门偏移的方法，设计了诱使波门偏移的关键过程，探讨了其对导引头干扰的机理。以重频制导信号为例，设计了基于间隔调制的波门诱偏干扰信号，给出了干扰信号的约束条件，取得了波门与制导信号的联合概率分布。结果表明，时间波门被快速引偏，干扰成功概率明显提升，验证了该方法切实可行，干扰效果明显优于同步干扰。该干扰策略对开展新型干扰方法研究有一定的借鉴价值。Abstract: In order to heighten the success probability of jamming interference and overcome the questions such as:interference signal offset and success probability were fixed substantially during synchronization interference and seeker had opportunity and conditions to take further anti-jamming measures when interfering signals and guided wave signals were in wave gate, a new jamming strategy based on wave gate decoy was put forward according to the principle of real-time wave gate. The method and key process of decoying wave gate were discussed and the tactics of jamming was studied. Taking repetition guided signal as example, the jamming signal based on interval modulation was designed, and the restriction of interference signal was gained. The joint distribution of wave gate and guided signal was derived. Through theory and simulation analysis, the results show that the wave gate isdecoyed and the success probability is promoted. The strategy is feasible and better. The jamming strategy is valuable for new jamming method research.
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Keywords:
- laser technique /
- jamming strategy /
- wave gate decoy /
- laser seeker /
- real-time wave gate
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