PPK技术应用于可控震源高效采集时的数据存储解决方案  

A data storage solution for efficient vibroseis acquisition based on PPK technology.

作　　者：夏延海 宋建平 刘金萍 XIA Yanhai;SONG Jianping;LIU Jinping

机构地区：[1]中石化石油工程地球物理有限公司胜利分公司,山东东营257100

出　　处：《物探装备》2023年第4期267-271,共5页Equipment for Geophysical Prospecting

摘　　要：为解决西部探区可控震源施工中传统的RTK技术GNSS成果质量欠佳,部分COG成果无法作为最终震源成果,只能进行二次采集补测,耗费生产资源的问题,基于PPK技术开展了其在可控震源高效采集中的应用研究,重点论述了PPK技术原理及特点,新型数传电缆设计、制作、连接、测试过程、实验结果表明,研制的数传电缆选用32 GB U盘,可持续进行数天数十天的数据记录。可在利用RTK技术进行高效生产的同时,利用PPK技术进行组合定位,PPK定位精度能够达到厘米级,并且定位结果稳定可靠,能够满足生产需要,具有广阔应用前景。In order to solve the problem of poor quality of GNSS results of traditional RTK technology in vibroseis construction in western exploration area,some COG results cannot be used as the final source results,only secondary acquisition supplementary measurement can be carried out,the problem of consuming production resources,Based on PPK technology,its application in efficient acquisition of vibroseis is studied,The principle and characteristics of PPK technology are discussed,the design,production,connection and testing process of new data transmission cable.The experimental results show,the developed data transmission cable selects 32 GB U disk,sustainable data recording for tens of days.It can use RTK technology for efficient production at the same time,combined positioning using PPK tech nology,PPK positioning accuracy can reach centimeter level,and the positioning results are stable and reliable,can meet production needs,has a wide application prospect.

关 键 词：仪器回传 事后差分 加电测试 组合定位 

分 类 号：P228.4[天文地球—大地测量学与测量工程] P631.437[天文地球—测绘科学与技术]