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- 2018
随机共振算法在北斗微弱信号捕获中的应用
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Abstract:
为了提高北斗二代卫星接收机的捕获灵敏度，提出了一种基于自适应随机共振算法的微弱北斗信号捕获方法。将DBZP（Double Block Zero Padding）方法和自适应随机共振算法相结合，消除了导航数据位和NH码跳变的影响，显著提高了信噪比，能够实现微弱北斗信号的高灵敏度快速捕获。仿真结果验证和实际测试表明，该方法应用于微弱环境下的北斗信号捕获实时性好、灵敏度高，具有较高的应用价值
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