Comparing with the differentialrange method that early radar adoptive for measuring velocity, the radar, which based on Pulse-Doppler theory, has the better real time capability and high precision.
与早期雷达采用距离微分方法测速相比，基于脉冲多普勒理论的雷达测速技术具有实时性好、精度高等优点。
2
The protect range is relational to short circuit type and phase when phase differential current connection mode is adopted.
当采用两相电流差接线方式时，保护范围与短路类型和短路相别有关。
3
Using position data to obtain velocity parameters of object through differential coefficient is a general method in range.