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gsm quan qiu yi dong tong xin xi tong
Author(s): 
Pages: 207
Year: Issue:  7
Journal: Communications Today

Keyword:  system structuresignal processorinterconnection network;
Abstract: GSM─全球移动通信系统曹永秋当今社会已进入信息时代,电话、移动电话、无绳电话、寻呼机—……层出不穷的电信器材使人眼花级乱。它们已成为传递信息,改善人们物质文化生活的重要工具。电话的发展与其他电子产品一样,必须迅速向数字化、小型化、智能化及系统化发展...
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