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本文描述的是信道间隔为30和40MHz的先进的SDH长途无线系统。为实现高质、可靠的无线系统,应用了一些最新开发的关键技术,如多电平编码调制(MLCM)和判决反馈均衡(DFE),本文给出了其主要特点、性能及理想的测量结果。
This article describes an advanced SDH long haul wireless system with channel spacing of 30 and 40 MHz. In order to realize the high-quality, reliable wireless system, some newly developed key technologies such as multi-level code modulation (MLCM) and decision feedback equalization (DFE) are applied. The main features, performance and ideal measurement results .