With differential absorption laser radar as background, the key techniques related in designing real-time monitor and control system based on WDM (Wavelength Division Multiplexing) are studied.
以差分吸收激光雷达为背景，对基于WDM的实时监测控制系统的设计中涉及的关键技术进行研究。
2
Objective: To discuss the significance of the non-invasive hemodynamic monitor system in the differential diagnosis of acute dyspnoea .
目的：探讨无创血流动力监测在急性呼吸困难鉴别诊断中的意义。
3
In the video circuit of traffic monitor, the image outline dims and the visibility declines because of the limitation of the passband, thus twice differential video compensation is needed.