中文摘要：

研究一种基于NiosⅡ软核的微型数控测井地面系统。该测井地面系统的核心部分是数据采集箱，利用超大规模的可编程逻辑器件和SoPC技术，简化了采集箱的硬件结构，实现了采集箱的进一步微型化，提高了系统的性能，增强了系统的可维护性和可扩展性。

英文摘要：

This paper researches a kind micro digital controlled well logging surface system based on the NiosⅡ soft core.The data acquisition box is the most important part of the well logging surface system, using large scale programmable logic devices and SoPC technology, simplified acquisition box hardware structure, realize the acquisition box further miniaturization, improved the per-formance of the system,strengthened the maintainability and the expansibility of the system.