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本文简介DM—2型32kb/s纠错时分复用设备,该设备系电子部五十四所一九八五年研制成功并小批量生产的通用型设备,已应用于西南地区电力系统某生产调度通信线路中。它具有传输效率高,功能齐全,信息传输质量优良,可靠性高,具有传输误码率实时测量装置,使用维护方便等特点,并且不存在传输误码率扩散问题,适用于各种恒参变参信道。文中介绍了为实现上述特点所采取的技术措施以及部分在工程应用中的测试结果。
This article describes the DM-2 32kb / s error correction time division multiplexing equipment, the Department of Electronics Department of the Ministry of Electronics in 1985 to develop a successful and small batch production of universal equipment, has been applied to a power plant in Southwest production Dispatch communication line. It has the advantages of high transmission efficiency, complete functions, excellent quality of information transmission, high reliability, real-time measurement device with transmission error rate, convenient use and maintenance, etc., and does not exist the problem of diffusion of transmission bit error rate. Senate channel. The paper introduces the technical measures taken to achieve the above characteristics and some of the test results in engineering applications.