文章叙述了一种实时3d高精度超声定位系统。
A high accuracy real-time 3d ultrasonic location system is discussed in this article.
而且那个超声定位系统可以帮助他们建立起周围环境的更为完全的声音图象。
And that sound-location system could help to build up an even more complete sound picture of a blind person 'surroundings.
针对常规超声波局部定位系统的缺陷，介绍了类GPS超声定位系统及其工作原理。
In view of the deficiencies of the conventional ultrasonic location system, Quasi-GPS ultrasonic location system and its work principle are introduced.
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