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利用软件无线电思想,提出一种简便、实用的正弦型数字锁相环的软件实现算法。利用该算法,成功实现了HF信道8FSK信号软件解调方案中的载波提取过程。
Using the idea of software radio, this paper presents a simple and practical software algorithm for sinusoidal digital phase-locked loop. With this algorithm, the carrier extraction process in HF channel 8FSK signal software demodulation scheme has been successfully realized.