'LPI communication system'에 해당되는 글 1건
- 2008.12.20 11. spread spectrum communications: intro
- 11. spread spectrum communications: intro
- *** 밑에 분류 무시
- 2008. 12. 20. 23:16
11.1 a brief history
- SS from its origin area, military applications, has two major goal
reduce the communicator's detectability, low probability of intercept (LPI) communication system
combat the enemy-introduced interference, antijam (AJ) communication system
combat the enemy-introduced interference, antijam (AJ) communication system
- SS for peacetime use, commercial applications
SS techniques is useful in the commercial applications, especially in the area of cellular mobile communications.
11.2 why spread spectrum?
11.3 basic concepts and terminology
if the complex envelope,
if the complex envelope,
the complex envelope for spread spectrum, in most cases, a product function is used,
- 여기서 사용되는 각종 notation은 digital and analog communication systems, chapter 4, http://worthatry.tistory.com/179 와 chapter 5, http://worthatry.tistory.com/200 의 내용을 따른다. [본문으로]
'*** 밑에 분류 무시' 카테고리의 다른 글
| introduction: signal and system (0) | 2009.01.10 |
|---|---|
| SOTEC laptop disassembly: hard drive part (0) | 2009.01.09 |
| TEXT: the mobile communications handbook / editor, Jerry D. Gibson (0) | 2008.12.19 |
| TEXT: Advanced Engineering Mathematics 9th edition / Erwin Kreyszig (0) | 2008.11.10 |
| 강의정리, 강의자료: RF circuit Design: transmission lines (0) | 2008.11.09 |
Recent comment