High resolution spaceborne SAR gives new challenge to radiometric calibration.高分辨率星载SAR技术的发展,对辐射定标提出了新的挑战.External calibration is key method used for spaceborne SAR antenna onboard measurement.天线外定标是实现星载SAR天线方向图在轨测试的主要手段...
External calibration is key method used for spaceborne SAR antenna onboard measurement.天线外定标是实现星载SAR天线方向图在轨测试的主要手段.These results are significant for the SAR design and application.其结果对于无人机载小型SAR的设计和应用都有重要意义.High resoluti...
Being knighted by the Queen was the crowning glory of his long and successful career.由女王授予爵士荣衔是他漫长而成功的经历中的无上荣誉。They just basked in his reflected glory and improvised somewhat.他们只是满足于他留下的光荣和某些临时拼凑出来的东西.Walsham had his mom...
They wolf-whistled at me, and I was so embarrassed I tripped up.他们吹口哨挑逗我，我窘迫之下绊了一跤。She tripped and fell last night and broke her hip.她昨晚绊倒了，摔坏了髋骨。I tripped up and hurt my foot.我绊了一下，伤到了脚。...