长稳时钟实现高精度电法勘探
Equipment for Geophysical Prospecting(2012)
Abstract
最新研制出的陆上三维电磁仪使用了长稳时钟技术,实现了多个时钟无误差的要求,确保传输速率的稳定性和准确性,保证了采集数据的有效性,使我国对有源大功率电磁勘探仪器的研究取得了突破性的发展,不仅仪器体积、重量、成本大大降低,而且电磁勘探的精度、一致性、可靠性得到了提升,使其应用范围与领域得到了扩展。
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Key words
closed-loop control,electromagnetic prospecting,voltage controlled crystal oscillator,electromagnetic instrument,long-time stable clock,GPS
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