This paper introduces the theory of vehicle speed detection based on loop coil, analyzes the present speed estimation methods using the basic outputs of single loop detectors.

简述了基于环形线圈车速检测的基本原理、目前利用单线圈检测量进行车速估计的方法。

youdao

At present, speed increasing of electric locomotives is the key of our research.

电力机车速度的提高既是当前的研究重点也是热点。

youdao

This is applicable around the world but in the UK particularly so at present for the high speed train project.

FORBES: Why We Shouldn't be Building Large Infrastructure Projects

Speed limits, at present, are only haphazardly enforced.

ECONOMIST: Road safety

As a practical matter, pressing forward at breakneck speed on five different agreements is unsustainable given present governmental personnel resources and expertise and limited opportunities for senior-level management oversight.

CENTERFORSECURITYPOLICY: At What Price Arms Control Agreements?