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30路回波抵消器测试环境的实现
引用本文:薛勇强,潘苏,酆广增.30路回波抵消器测试环境的实现[J].南京邮电大学学报(自然科学版),1996(3).
作者姓名:薛勇强  潘苏  酆广增
作者单位:南京邮电学院无线电工程系
摘    要:在CCITT建议G.165的基础上探讨了30路回波抵消器的实验室测试方法和回波抵消器测试所需的话路环境,采用8031芯片和相应外围电路实现测试环境的尾电路延时和线路长延时

关 键 词:回波抑制,测试装置,试验方法

Implementation of Test Environment for 30 Echo Cancellers
XueYongqiang,PanSu,FengGuangzeng.Implementation of Test Environment for 30 Echo Cancellers[J].Journal of Nanjing University of Posts and Telecommunications,1996(3).
Authors:XueYongqiang  PanSu  FengGuangzeng
Institution:XueYongqiang PanSu FengGuangzeng Department of Radio Engineering,Nanjing Institute of Posts and Telecommunications,210003,Nanjing,PRC
Abstract:The laboratory test of 30 echo cancellors and the test environment is discussed according to CCITT recommendation G.165,and finishes the design of end path delay and the delay on the intermediate transmitter links using the 8031 chip and relative peripherals.
Keywords:Echo cancellers  Testing devices  Test methods
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