摘要
本文报道了作者新近研制成功的光电测距仪话音通信装置。该装置利用光电测距仪的光源和测量光路,采用PFM调制,来完成测量主机到测量站的话音通信。该装置为国内首创,具有很高的性能价格比。
A newly developed voice communication device which is used in the optoelectronic measuring distance instrument is described in the paper. By utilizing the LED and light way of the instrument and employing PFM modulation, it can transmit voice from the master of the instrument to measuring point. The device is designed successfully for the first time in china and of high performance price ratio.
出处
《光通信技术》
CSCD
1993年第3期142-144,共3页
Optical Communication Technology
关键词
光电测距仪
电话通信
PFM调制
Opto-electronic measuring distance instrument
PFM Voice communication
