摘要
最新研制出的恒流时频电磁仪在体积、重量、成本大大降低,使我国有源大功率电磁勘探仪器取得了突破性的发展,在设计中使用了长稳时钟技术和伪随机码等一些新颖技术,实现了多个时钟无误差的要求,确保采样率的稳定性和准确性,保证了采集数据的有效性,使电磁勘探的精度、效率一致性、可靠性得到了提升,应用的范围、领域得到了扩展。
The latest designed constant current time frequency electromagnetic device has a huge reduction in volume,weight and cost.It helps China making breakthrough in the development of active high power electromagnetic exploration instrument.Many innovative technology such as long stable clock and pseudo random code have been employed in our design,which makes zero error between clocks a reality as well as sampling stability and accuracy satisfied.It also guarantees the validity of sampling data making sure the accuracy,consistency and reliability of electro-magnetic exploration largely improved and the application area expanded.
出处
《石油仪器》
2014年第1期54-58,100,共5页
Petroleum Instruments
关键词
恒流发射
GPS
长稳时钟
伪随机码
constant current launch
GPS
long stable clock
pseudo random code