Void-layer Detection and Depth Determination in Runways based on GPR
Void-layer detection and thickness determination in runways are studied in this paper. Void-layer is thin layer whose thickness is very small (usually less than 1cm). Firstly, the void-layer can be detected based on its time-frequency distribution characteristic — S transform. This is the first attempt of S transform to be used in the void-layer detection of runways. In the same time, the depth of void-layer can be evaluated based on spectrum optimisation inversion method, in which the impulse pair in the time domain corresponding to the upper and bottom interface of void-layer can be extracted based on the EM wave propagation model and improved system identification method we have proposed in other paper. The simulation results demonstrate the proposed method is valid and the estimation error of thickness is within 5％.
Ground Penetrating Radar (GPR) void S transform spectrum inversion
Weikun He Renbiao Wu Jiaxue Liu
Electronic Information Engineering Institude, Tianjin University Tianjin Key Lab for Advanced Signal Tianjin Key Lab for Advanced Signal Processing, Civil Aviation University of China
国际会议
2011 IEEE CIE International Conference on Radar(2011年IEEE国际雷达会议RADAR 2011)
成都
英文
182-185
2011-10-24（万方平台首次上网日期，不代表论文的发表时间）