Automatic control of section signals

Author: Lin Yuyun
Publisher:
Publish Date: 2004-08-01
Features: The book is divided into seven chapters, including content such as: relay semi-automatic block, basic knowledge of automatic block, 8-message frequency shift automatic block, 18-message frequency shift automatic block, UM71 automatic block, microelectronics AC counting and intra-station coding, as well as locomotive signaling, etc.