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...
The abdominal aorta is normally smaller than the thoracic aorta.腹主动脉一般比胸主动脉小.Sudden deceleration may also result in shearing injury to the intima of the aorta.突然减速也可能造成主动脉内膜的剪式裂伤.The aortic valve is found between the lef...
河床部分地就是被这种侵蚀作用冲蚀的.The bed of a river is partly worn away by corrosive action.在薄雾中,经过前几代岁月消蚀的建筑显得分外可怜.The mist took pity on the fretted structures of earlier generations.当能刻蚀的材料不存在时,这些物种就具有较长的寿命.The species has a long lif...
一匹黑白相间的花马.A black white horse.长花马唐、匍匐翦股颖新品系色泽深,根系活力较高.Digitaria longiflora and new strain Agrsostis stolonifera had dark green color and high root vigor....
The menu is all-important. Every component of every meal should create contrasts.饭菜的安排至关重要。每一顿饭的每一道菜都应该有所不同。The open approach contrasts favourably with the exclusivity of some universities.这种开放式的方法与一些大学的封闭排外形成了有利的对比.In t...
We will make thee plaits of gold With studs of silver.但是,我们要为你制金链子,为你配上银质的饰物.These plaits have an extremely compact surface and a regular diameter.这些辨子绳有着极为紧致的表面和规范的直径.A folding mechanism plaits the fabric onto the rolle...
All our rooms have direct dialling telephones.我们所有的房间都有直拨电话。The dialling code for the Beijing area is 01.北京地区的电话区号是01.The dialling code for the London area is 01.伦敦地区的电话区号是01....