The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Design of the digital carrier communication system for trolley locomotive
Author(s): 
Pages: 43-44
Year: 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.
Related Articles
loading...