The vehicle detector in intelligent traffic system is studied and developed by using radar principle to finish the real time collection of traffic flow parameters such as vehicle velocity, flow rate.
研究智能运输系统中的雷达车辆检测器，利用雷达原理完成对速度、流量等交通流的实时检测和统计。
2
Based on the chromatographic detector theory, whether a chemical reaction is a fast reaction or not it can be judged according to the product of peak area and carrier flowrate is a constant or not.
本文运用色谱检测器理论，由峰面积与载流流速的乘积是否为一常数可判断某一化学反应是否为快速反应。
3
A flow-concentrating-sampling annular water detector with 5-parameter consists of circuits of temperature, pressure, magnetic locator, telemetry, as well as 2 cartridges of flowrate and water cut.