VE432可控震源的谐波干扰压制技术  

Technique of harmonic interaction inhibition for VE432 vibrator

作　　者：李祥[1] 梁贵红[1] 蒋俊锋[1] 

机构地区：[1]胜利油田物探公司仪器管理中心

出　　处：《石油仪器》2004年第5期54-55,58,共3页Petroleum Instruments

摘　　要：文章介绍了二次谐波的相位变化规律以及VE43 2变相位扫描技术中的相位旋转的基本规则。通过应用示例分别对 2、3和 5次谐波的处理过程进行分析 ,根据谐波分量与相位旋转关系对该技术的应用原理进行了阐述 ,通过相位旋转和相关迭加技术来压制谐波的干扰。该技术的应用有效地改善了可控震源的性能。This paper introduces the changing regulation of the second harmonic′s phase and the basic rule of VE432′s revolving of phase in the scanning of phase technique. Based on the applying examples, conducting process for 2,3 sums 5 harmonics is analyzed. According to the list the application principle of the technique is explained. By applying the technique of correlation and the stacking and the revolution of phase the interaction of the harmonic is inhibited. Application of This technique effectively improves the performance of vibrator.

关 键 词：变相位技术 输出力 相关迭加 谐波 

分 类 号：TE15[石油与天然气工程—油气勘探]