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Alternative TitleThe application of Sigma-Delta modulation technology on magnetometer
李云鹏; 王劲东; 周斌; 北京8701信箱
Abstract本文介绍了一种将多bit Sigma-Delta调制技术应用于数字磁通门磁强计中的方法,通过Sigma-Delta方案,得到 24位以上高精度的磁场测量值,并将此技术嵌入数字磁强计的整个大环路中。在不增加硬件复杂程度的前提下,使用16bit ADC芯片即可实现24bit以上的模数转换精度,并通过仿真验证可以达到预期目的。很好的实现了高精度高分辨率大动态范围的数字磁强计。
Keyword多bit Sigma-delta 数字信号处理 大环路
Other AbstractThis article describes a n bit Sigma-Delta modulation technique applied to the Digital fluxgate magnetometers in such a way, by this way, to obtain 24bit high accuracy measurements, and this technology embedded in the entire loop. Without increasing the complexity of the instrument under the premise of using Tradition 16bit ADC chip can achieve 24bit high-precision processing, and verified by simulation can achieve the desired objectives. This method can achieve a high precision high Dynamic Range Digital fluxgate magnetometer.
Conference Name第二十六届全国空间探测学术研讨会
Conference Date2013
Conference Place海南
Document Type会议论文
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
李云鹏,王劲东,周斌,等. Sigma-Delta调制技术在磁强计中的应用[C],2013.
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