研究了脉内多载频信号载频估计的算法,通过分析信号频谱和瞬时频率谱的综合谱特征;提出一种基于综合谱分析的多载频估计方法,该方法能够对频率编码和混合编码信号的载频及其与时间的对应关系进行估计;分析了估计算法的误差因素,并通过仿真实验验证了该算法的有效性。

A kind of carrier frequency estimation for inter-purle multi-carrier modulated signal is mentioned in this paper. By analysis the characteristics of signal's spectrum and instantaneous frequency spectrum, a method of multi-carrier frequency estimation is given. Through this method, FSK signal and mixed coding signal's carrier frequency and the correspondence between carrier frequency and time can be estimated. The error factors estimation algorithm is analyzed and simulation results show the effectiveness of the algorithm.

TN911