请输入您要查询的字词:
单词
高频返回散射
释义
高频返回散射
Encyclopedia
工学
短波传播
释
high-frequency backscattering
高频返回散射
斜向入射到电离层的高频段(3~30兆赫)无线电波,经电离层反射(可能多次)后因地面地形不平坦和电气不均匀性而向四面八方散射的现象。其中一小部分电波能量沿相反方向(路径可与以前相同或不同),由电离层反射折回到地面电波发射点。
随便看
laser information processing
lasering
Laser In-Situ Keratomileusis
laser in situ keratomileusis
laser in situ keratomileusis, LASIK
laser interacts with matter
laser interception index: LII
laser interference
laser interference analysis
laser-interference stylus profilometer
laser interference technology
laser interference thermometry
laser interferometer
laser interferometer gravitational detectors
laser interferometer gravitational wave detector
Laser Interferometer Gravitational-wave Observatory
Laser Interferometer Space Antenna
laser interferometric gravitational-wave detection
laser interferometric gravity gradiometer
laser interferometry
laser interferometry measurement of low angle
laser interferometry technology
laser ionization
laser ionization mass spectrometry
laser ionization spectrum
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:2025/3/2 1:37:36