The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit
later.
We apologize for any inconvenience caused
Design of the digital carrier communication system for trolley locomotive
Author(s): LI Zhongshan
Pages: 43-
44
Year: 2001
Issue:
8
Journal: COAL ENGINEERING
Keyword: 载波通信; 数字编码; 科斯塔斯环; 调制解调;
Abstract: 比较了目前井下电机车调度的三种通信方式,提出了用数字通信替代模拟通信系统,以提高架线电机车载波通信质量.该数字通信系统采用连续可变斜率增量调制(CVSD)实现模拟话音信号与数字编码之间的A/D、D/A转换,采用二进制相对移相键控2DPSK作为二次数字调制方式.通过整体系统电路的试验调试,得到了满意的试验结果.
Citations
No citation found