An indoor spread spectrum acoustic ranging system

被引：0
|
作者：
Drysdale, Graeme R. [1 ]
Dai, Liming [1 ]
Palmer, Ron J. [1 ]
机构：
[1] Univ Regina, Regina, SK S4S 0A2, Canada
来源：
PROCEEDINGS OF THE ASME INTERNATIONAL DESIGN ENGINEERING TECHNICAL CONFERENCE AND INFORMATION IN ENGINEERING CONFERENCE, VOL 1, PTS A-C | 2008年
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D O I：
暂无
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The design of a spread spectrum acoustic ranging system is presented as an alternative for transmitting and receiving positioning information [1]. Six pseudonoise codes, four maximum length and two Gold codes, are tested in a high multipath indoor environment to assess the system's accuracy. Range measurements are made in 1 m intervals from 1 to 10 m and the results are shown for a maximum length code and a Gold code which is the modulo-2 addition of two maximum length codes. The average errors are bound between 6 and 20 cm. It appears multipath interference provides the largest contribution to the range error.
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收藏
页码：1571 / 1575
页数：5
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