【摘要】 由于城市建筑和公共设施制约了地震勘探工作的设计和施工,因此城市地震勘探与传统的野外工作相比面临着许多困难。vibsist-50可控震源在抗干扰,高分辨率浅层地震勘探方面有其独特的优势。本文通过对该震源在工作原理上与传统的可控震源进行对比,并对野外试验与大锤激发的实际记录进行对比,得出该震源能够产生高频宽带信号,并且可以通过延长扫描时间,增加冲击次数来积累能量,是适用于城市高分辨率的浅层地震勘探可控震源。更多还原

【Abstract】 The Vibsist-50 is based on the swept impact seismic technique, which is a combination of the vibroseis Swept-frequency and the Mini-Sosie multi-impact ideas. It not only can produce high frequency content signal, but also is a portable, nondestructive seismic source . This paper introduces its operation theory and compares its field application effect with sledgehammer. Vibsist-50 is really a high-resolution seismic source , and is good for urban shallow seismic survey.更多还原