图书介绍
Propagation of Radio WavesPDF|Epub|txt|kindle电子书版本网盘下载
![Propagation of Radio Waves](https://www.shukui.net/cover/54/31661828.jpg)
- 著
- 出版社: Asia Publishing House
- ISBN:
- 出版时间:1963
- 标注页数:115页
- 文件大小:17MB
- 文件页数:123页
- 主题词:
PDF下载
下载说明
Propagation of Radio WavesPDF格式电子书版下载
下载的文件为RAR压缩包。需要使用解压软件进行解压得到PDF格式图书。建议使用BT下载工具Free Download Manager进行下载,简称FDM(免费,没有广告,支持多平台)。本站资源全部打包为BT种子。所以需要使用专业的BT下载软件进行下载。如BitComet qBittorrent uTorrent等BT下载工具。迅雷目前由于本站不是热门资源。不推荐使用!后期资源热门了。安装了迅雷也可以迅雷进行下载!
(文件页数 要大于 标注页数,上中下等多册电子书除外)
注意:本站所有压缩包均有解压码: 点击下载压缩包解压工具
图书目录
CHAPTER ONE Basic Considerations in Radio Wave Propagation1
1.Introduction1
2.Propagation characteristics of radio waves in different frequency ranges3
CHAPTER TWO Surface Wave Propagation8
1.Introduction8
2.Surface wave field intensity due to an elemental vertical dipole antenna9
3.Wave tilt of the surface wave15
4.Effects of Earth's curvature17
CHAPTER THREE Space Wave Propagation19
1.Introduction19
2.Ground reflection coefficient19
3.Effects of ground reflection22
4.Effects of tropospheric refraction and absorption25
5.Duct propagation30
6.Effects of earth's curvature32
CHAPTER FOUR Sky Wave Propagation36
1.Introduction36
2.Propagation of radio waves in an ionized atmosphere(in absence of magnetic field)37
3.Effects of earth's magnetic field42
4.Maximum usable frequency and skip distance51
5.Calculation of M.U.F52
6.Propagation of long waves60
7.Sky-wave absorption61
8.Lowest usable frequency63
9.Ionospheric cross-modulation64
CHAPTER FIVE The Ionosphere67
1.Introduction67
2.Chapman theory of layer formation68
3.Structure and properties of different ionized regions72
4.Tides and winds in the upper atmosphere78
5.Ionospheric abnormalities79
6.Ionospheric measurements83
7.Ionospheric predictions90
CHAPTER SIX Scatter Propagation96
1.Introduction96
2.Ionospheric scatter propagation97
3.Tropospheric scatter propagation100
4.Scattering from atmospheric precipitations101
5.Long distance propagation of V.H.F.and U.H.E.signals through artificial satellites104
Appendixes107
Ⅰ.Appleton-Hartree Magneto-Ionic Formula109
Ⅱ.Some Points for the Design of a Sky-Wave Communication Link112
Index115