编码遥控发送机的研制  

THE MANUFACTURE OF CODING REMOTE CONTROL TRANSMITTER

作　　者：豆耀华[1] 

机构地区：[1]中国地震局兰州地震研究所

出　　处：《西北地震学报》1998年第2期80-87,共8页Northwestern Seismological Journal

摘　　要：介绍了一种专用编码和译码的多路遥控指令的发送系统．该系统以键控计数译码、数据选择、环形延时标定、编码、振荡分频、门控及载频放大电路为核心电路．电路设计巧妙，实用性强，适用范围广．长期实际运行证明，该系统十分稳定可靠，达到了原设计的各项技术指标要求． special codinganddecoding transmitting system with multichannel remote control commands is introduced in this paper.Its key circuits are the keying decoding circuit,data selector circuit,ring timedelay demarcation circuit,coding circuit,oscillating frequency demultiplier circuit,control system circuit and carrier frequency amplifier circuit.The circuits have clever designs,strong practicability and wide application range.The longterm practice has proved that the system was very stable and reliable,and accorded with the demands of technical indices in the original designs.

关 键 词：遥测台网 编码 遥感发送机 地震台 

分 类 号：P315.78[天文地球—地震学] P315.62[天文地球—固体地球物理学]