宽带短波信号处理平台及算法

Wide-Band Wireless Signal Processing Platform and Algorithms

为了对宽带短波信号进行快速处理 ,提出一种基于软件无线电结构的高性能通用宽带无线信号处理平台。在这个平台上对短波信号射频数字化 ,然后进行数字变频 ,获得宽带基带解析信号。同时研究了基于基带解析信号的宽频带扫描算法、跳频集搜索算法、特定信号快速搜索算法、调制方式识别和数字解调算法等 ,并在该平台上实现了这些算法。现场试验表明 ,本文提出的信号处理平台性能优越 。

To process the wide-band short wave quickly and efficiently, a high performance general-purpose wide-band wireless signal processing platform based on the software defined radio structure is proposed. In the platform, the short wave signal is digitalized in the radio frequency band and converted into the analytical baseband signal. The wide-band frequency scan algorithm, hopping frequency searching algorithm, special signal fast searching algorithm, modulation recognition and digital demodulation algorithm in the base band are studied. These algorithms are implemented in the platform. The field test shows that the platform is excellent and the above algorithms are very effective.