希尔伯特(Hilbert)变换是信号分析处理技术中的一种重要方法,能有效地提取复杂信号的瞬时参数——瞬时振幅、瞬时相位和瞬时频率。本文详细研究了该算法,并将其应用于实际探地雷达数据处理中,得到瞬时参数剖面图,处理结果表明该算法能有效增加信号的分辨率,提高探地雷达的解释精度。 Hilbert transform is an important method in signal analysis and processing technology, which can effectively extract the instantaneous parameters of complex signals - instantaneous amplitude, instantaneous phase and instantaneous frequency. The algorithm is studied in detail and applied to the actual GPR data processing. The instantaneous parameter profile is obtained. The processing results show that the algorithm can effectively increase the resolution of the signal and improve the accuracy of GPR interpretation.