Synthetic Aperture Radar (SAR) can provide full-time and full-weather observation for targets.
合成孔径雷达(SAR)具有对目标进行全天候、全天时观测的能力。
2
The present paper gives a synthetic discussion on the groutability ratio and the factors mentioned above based on analysing the data obtained from laboratory experiment and field observation.
本文在总结室内试验及现场灌浆资料的基础上，对可灌比值及上述影响因素进行了综合的研讨。
3
The problems about the detection of moving objects and observation by the synthetic aperture radars(SAR) are described in this paper.