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衡阳—广州480路数字微波通信系统工程研究,1995年6月1日通过了由广州铁路集团公司组织,铁道部科技司、电务局,北方交通大学,上海铁道大学,上海铁路局,铁道部第四勘测设计院等单位参加的技术鉴定。 该系统工程是1984年12月铁道部批准立项的衡广复线建设的子项目,是一个复杂的微波系统工程研究建设项目,全长541km。 该项系统工程研究,采用了多项先进技术:在国内首次采用超视距通信技术,保证了69.3、56.6、
Hengyang - Guangzhou 480 Digital Microwave Communication Systems Engineering Research, June 1, 1995 adopted by the Guangzhou Railway Group Corporation, the Ministry of Science and Technology Ministry of Railways, the State Administration of Radio, North Jiaotong University, Shanghai Railway University, Shanghai Railway Bureau, Ministry of Railways Fourth Survey and Design Institute and other units to participate in the technical appraisal. This system project is a subproject of Hengguang Double Track Construction approved by the Ministry of Railways in December 1984 and is a complex microwave system engineering research and construction project with a total length of 541km. The system engineering research, using a number of advanced technologies: the first time in the country with the horizon communication technology to ensure 69.3,56.6,