|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2003年07 期
| 标题 |
| 铁通长途传输网保护方式的探讨(39 卷) |
| 英文标题 |
| 摘要 |
| 根据原有铁路通信系统的问题，对当前长途传输网的几种保护方式、优点、通信的发展及新设备进行论述，结合实际应用进行分析。 |
| 作者 |
| 新闻作者:陈〓丽 |
| 关键字 |
关键词:自愈环〓波分复用〓DXC |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 标题 |
| 铁通长途传输网保护方式的探讨(39 卷) |
| 英文标题 |
| 摘要 |
| 根据原有铁路通信系统的问题，对当前长途传输网的几种保护方式、优点、通信的发展及新设备进行论述，结合实际应用进行分析。 |
| 作者 |
| 新闻作者:陈〓丽 |
| 关键字 |
关键词:自愈环〓波分复用〓DXC |
| COPYRIGHT©2001-2025 CHINA ACADEMY OF RAILWAY SCIENCES CORPORATION LIMITED，ALL RIGHTS RESERVED | ||
|
