| 自适应一阶RC滤波算法在低端单片机的应用 |
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| 引用本文： | 潘宏生,高国伟,毕新磊,陈明明.自适应一阶RC滤波算法在低端单片机的应用[J].传感器世界,2014,20(12):35-38. |
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| 作者姓名： | 潘宏生 高国伟 毕新磊 陈明明 |
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| 作者单位： | 北京信息科技大学信息获取与与检测实验室,北京,100101 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 介绍了自适应一阶RC滤波在低端八位单片机上的应用过程。通过介绍RC滤波的模拟计算、数字推导,首先设计了基于ATmega8的RC数字滤波函数。然后引入自适应算法,在原RC滤波函数的基础上设计了自适应一阶RC滤波函数。最后通过RC滤波和自适应滤波的实验数据说明了自适应一阶RC滤波的良好滤波效果。
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| 关 键 词： | 自适应滤波 一阶RC滤波 倾角传感器 |
Application of adaptive first-order RC filter on low-end microcontrollers |
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| PAN Hong-sheng,GAO Guo-wei,BI Xin-lei,CHEN Ming-ming.Application of adaptive first-order RC filter on low-end microcontrollers[J].Sensor World,2014,20(12):35-38. |
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| Authors: | PAN Hong-sheng GAO Guo-wei BI Xin-lei CHEN Ming-ming |
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| Affiliation: | (Information Acquisition＆ Detection Key Laboratory, Beijing Information Science ＆Technology University, Beijing 100101 ,China) |
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| Abstract: | The application process of adaptive firstorder RC filter on low-end eight-bit microcontrollers is introduced. RC digital filter function based on ATmega8 is designed firstly through introducing simulating calculation and digital derivation of RC filter. Then adaptive algorithm is introduced and adaptive first-order RC filter function is designed based on the original RC filter function. Finally, the experimental data of RC filter and adaptive filter are given, which illustrate the good filtering effect of adaptive first-order RC filter. |
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| Keywords: | adaptive filter first-order RC filter tilt sensor |
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