The new technique thinking of multicomponent Rayleigh wave exploration (MCRE) is put for ward firstly.The effect of phase valocity on measuring precision caused by noise is analysed.

• 提出多分量瑞利波勘探技术的新思路，分析了噪声对相速度测量精度的影响，建立了用极化滤波提取有效瑞利波信号的方法。