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电火花震源是利用高压电容器的储能瞬时向液体中放电,从而产生巨大的压力脉冲波作为地震勘探震源。它是非炸药震源的一种,已在海洋勘探中得到广泛的应用。在陆地上,从我们的试验证明已得到较好的效果。本文论述了:1.电火花换能器的改进;2.电火花效率分析;3.最佳间隙的讨论;4.陆上电火花震源的初步效果。
Spark source is the use of high-voltage capacitor storage energy instantaneous discharge to the liquid, resulting in huge pressure pulse wave as a seismic source. It is a kind of non-explosive source and has been widely used in marine exploration. On land, from our experiments it has been proven that good results have been achieved. This paper discusses: 1. The improvement of EDM; 2. The analysis of EDM efficiency; 3. The discussion of the best clearance; 4. The preliminary result of the on-land EDM source.