[an error occurred while processing this directive]
震源车压制城市噪声机理及效果分析
黄华1(), 李忠生1,2(), 郑革辉1,3, 吴大林4, 王中圣1,2, 袁子恒1,5
Mechanism and effect analysis of vibroseis vehicle suppressing urban noise
Hua HUANG1(), Zhong-Sheng LI1,2(), Ge-Hui ZHENG1,3, Da-lin WU4, Zhong-Sheng WANG1,2, Zi-Heng YUAN1,5

图1. 可控震源勘探原理示意
a、b、c—分别为地下三层界面的反射信号;d—三层界面反射信号混合后的原始波形;e—原始波形与扫描信号的互相关波形

Fig.1. Schematic diagram of the seismic exploration principle of vibroseis
a、b、c—reflected waves of three different subsurface interfaces respectively;d—mixture wave signal of the figure a~figure c;e—reflected waveform after cross-correlation between the mixed wave signal and the vary-frequency sweep signal