【摘要】 对直接序列扩频信号的捕获问题进行研究,提出一种基于算法的扩频码捕获方法。该方法采用基于DET变换的软件估算方法,大大提高了扩频接收机的捕获性能。文中对基于DET的快速捕获原理进行分析,对实现基于软件计算的快速捕获方法的可行性进行研究,并通过软件仿真试验验证了该快速捕获方法的正确性。更多还原

【Abstract】 This paper studies the spread spectrum code capturing method,and brings forward a capturing method based on arithmetic.The spread spectrum signal receiver′s capability is improved greatly by using this kind of estimating method based on DET.This paper analyzes the theory of spread spectrum code capturing based on DET,investigates its feasibility,and validates its validity by simulation.更多还原