For underwater acoustic positioning system based on measurement of time_delay, range ambiguity appears when pulse's propagating time is longer than its repetition period.

基于时延测量的水声跟踪定位系统，当信号传播时延大于脉冲重复周期时，就会出现距离模糊。

youdao

According to the given source and mathematic model of matching error, a algorithm for real time matching of GPS positioning results and digital maps is put forward.

通过误差来源的分析和误差模型的建立，提出了一种车辆导航中gps定位测量与数字地图实时配准的地图匹配算法。

youdao

Accurate time delay estimation of overlapping fading multipath components is vital for many systems, particularly for positioning technologies.

多径分量重叠衰落下的精确时延估计对很多系统而言都非常重要，对于定位技术更是如此。

youdao

The GD300 uses a quadra-helix antenna for real-time global positioning that defies interference even when the user is positioned in mountainous regions or urban environments.

ENGADGET: General Dynamics' GD300 is the Pip-Boy that runs Android

The most active options on TJX Companies suggest at least one strategist is positioning for fresh all-time highs in the price of the underlying in the near term, while other traders may not be assuming as optimistic a stance on the name.

FORBES: Bullish Options Traders Target Gap, TJX, Electronic Arts

Both companies and consumers have been positioning for slower growth for some time.

FORBES: Take Measured Steps Toward Growth