传感技术学报2016，Vol.29Issue(10)：1542-1547,6.DOI:10.3969/j.issn.1004-1699.2016.10.013
基于NUC472的超声波测距匹配算法的研究
The Research of Matching Algorithm of Ultrasonic Ranging System Based on NUC472
摘要
Abstract
In order to identify the signals of its own and avoid the interference from other devices in the ultrasonic distance measure⁃ment system,a kind of ultrasonic echo matching algorithm implementation scheme based on ARM chips NUC472 series was came up with. The working principle and realization process of each step algorithm was introduced in detail. Firstly ,the send symbol sequence structure was built and the method of encoding and decoding was expounded. Then,the FPU calculation unit,ADC unit library and DSP instructions in the master MPU were used to complete the design. Finally,the algorithm was used in performance testing experi⁃ment on board level. Experimental results demonstrate that this algorithm scheme can identify multiple sets of transducer. Meanwhile , it is convenient to the transplantation of the embedded system and advantageous in strong versatility.关键词
超声波测距/NUC472/信道编码/匹配算法Key words
ultrasonic ranging/NUC472/Channel coding/matching algorithm分类
信息技术与安全科学引用本文复制引用
闵锐,许高斌,陈兴,马渊明,金传恩..基于NUC472的超声波测距匹配算法的研究[J].传感技术学报,2016,29(10):1542-1547,6.基金项目
国家863计划项目 （）
