A BRIEF INTRODUCTION ON FUNCTION OF MODEM FOR DIGITAL SEISMIC SIGNAL TRANSMISSION
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摘要:
数字信号的传输是数据通信的关键.用调制解调器(M O DEM)既能把数字信号变换成模拟信号,又能把收到的模拟信号恢复成数字信号.研究分析了V°24接口的工作原理,同时还介绍了M O DEM的基本原理.
Abstract:
The key of data communication is transmission of digital signal.The A/D transformation and D/A transformation can be carried out by using the MODEM.Process of V°4 interface is analysed.A brief introduction to the basic principle of the T-1496 MODEM is given.
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赵新民,曹春萍.调制解调器(MODEM)在数字化地震信号传输中的作用分析[J].地震工程学报,2000,22(2):194-195,181. ZHAO Xin-min, CAO Chun-ping. A BRIEF INTRODUCTION ON FUNCTION OF MODEM FOR DIGITAL SEISMIC SIGNAL TRANSMISSION[J]. China Earthquake Engineering Journal,2000,22(2):194-195,181.