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Ｗ－ＣＤＭＡ发射机 ／ 接收机测试系统ＴＳ８９５０Ａ 第三代移动通信３Ｇ正处于迅速发展中，宽带ＣＤＭＡ技术成功地成为３Ｇ的标准。３ＧＰＰ团体是根据欧洲和日本的需要成立的，支持两种Ｗ－ＣＤＭＡ分支技术：直接扩频ＤＳ和时分复用ＴＤＤ模式。在美国，重点
W-CDMA Transmitter / Receiver Test System TS8950A The third generation of mobile communications is rapidly evolving, with broadband CDMA technology successfully becoming the 3G standard. The 3GPP community is based on the needs of Europe and Japan and supports two W-CDMA branch technologies: Direct Spread Spectrum (DS) and Time Division Duplex (TDD). In America, focus