1) collection with large aperture
大口径接收
3) Heavy bore financial revenue
大口径财政收入
4) Large-sized spiral welded pipe
大口径螺旋焊接钢管
5) aperture receiving
孔径接收
1.
Based on the temporal covariance of logarithmic amplitude and the practical conditions,the analytical expression is obtained for aperture receiving power spectrum of atmospheric scintillation of satellite-to-ground downlink.
基于孔径接收的对数振幅相关函数,结合星地激光下行链路的实际情况,推导了星地下行孔径接收的闪烁频谱表达式。
6) receiving aperture
接收孔径
1.
And the referenced factors of ascertaining optimum receiving aperture are discussed.
利用数值模拟的方法,定量地计算分析了空间激光通信中光强起伏问题,得到了准直光束与聚焦光束光强起伏相关距离(不均匀元半径)随大气相干长度变化的结果;进而分别从接收效率和性价比等不同的角度对激光通信系统接收孔径选取的参考因素进行了探讨。
补充资料：次大口径成品油管道(见大口径原油管道)
次大口径成品油管道(见大口径原油管道)
small big inch products pipeline
次大口径成品油管道比m“，。彬duet、pipeline)见大。径原油管道。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条