请输入您要查询的字词:
单词
大气折射与电波传播延迟
释义
大气折射与电波传播延迟
Encyclopedia
理学
大气折射与电波传播延迟
释
atmospheric refraction and radio wave propagation delay
大气折射与电波传播延迟
地球大气是空间分布不均匀、且存在时变特性的非色散介质,电磁波可以透过大气传播。电波通过空气的传播过程中,空气的中性成分在传输路径上的密度沿路径发生变化,不同的密度对应折射本领不同,使得电波传播速度低于真空中传播速度、且传播方向发生偏折。
随便看
three dimensional diffraction
three-dimensional diffraction
three-dimensional digital anatomy of visible heart
three-dimensional digital anatomy of visible liver
three-dimensional digitizer
three-dimensional digitizer, 3D digitizer
three-dimensional display
three-dimensional display device
three-dimensional display device, 3D display device
three-dimensional electrode
three dimensional flash memory
three-dimensional fluorescence fast monitor of water organic pollutants
three dimensional fluorescence spectrum
three-dimensional geodetic control network
three-dimensional geologic modeling
three-dimensional glasses
three-dimensional glasses, 3D glasses
three dimensional grating
three-dimensional grating
three-dimensional greening
three-dimensional green quantity
three-dimensional harmonic oscillator
three dimensional homogeneous affine coordinates
three-dimensional homogeneous affine coordinates
three-dimensional imaging
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/6/15 5:50:47