请输入您要查询的字词:
单词
电离层折射与电波传播延迟
释义
电离层折射与电波传播延迟
Encyclopedia
理学
电离层折射与电波传播延迟
释
ionospheric refraction and radio wave propagation delay
电离层折射与电波传播延迟
海拔高度60公里左右以上的地球大气圈,是由自由电子、正离子、负离子、分子和原子组成的处于部分电离或完全电离的部分。电波穿过电离层的传播过程中,在传播路径上等离子体不同的密度的折射和色散本领不同,折射使得电波传播偏离行进方向,色散效应导致电磁波传播的相速度高于真空中传播速度、群速度低于真空中传播速度,引起传播的延迟效应。
随便看
E. V. Huntington (1874—1952)
Evian Agreement
eviction pricing
evidence
evidence-based correction
evidence-based corrections
Evidence-Based Design
evidence-based learning
evidence-based medicine
evidence-based medicine resource
evidence-based nutriology
evidence-based policy making
evidence-based psychotherapyapy
evidence-based software engineering
evidence exchange
evidence file
evidence fixed
evidence method
evidence of customary international law
evidence of health supervision
evidence review
evidence theory
evidential reasoning
evidential reasoning approach
evidential reasoning rule
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:2025/12/21 1:10:37