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本文探讨一种对卫星和地面传输系统进行比较的方法,并运用动态分析,建立卫星、光纤与数字微波三种传输方式的经济比较参考模型.通过对传输容量、距离与各系统成本之间的相关分析,拟合出三种传输方式的成本相对于传输容量和距离的数学模型,确立了三种传输方式各自的经济适用范围,为长途干线网规划提供了科学依据.
This paper discusses a method of comparing satellite and terrestrial transmission systems and uses dynamic analysis to establish a comparative economic reference model of satellite, optical fiber and digital microwave transmission.Through the analysis of transmission capacity, distance and cost of each system Correlation analysis, the mathematical models of the cost of the three transmission modes with respect to the transmission capacity and the distance are fitted, and the respective economic applicable ranges of the three transmission modes are established, which provides a scientific basis for the planning of the long-haul trunk network.