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结合相关文献给出的实测数据,介绍了S波段地空信道的特性,建立了地空信道的离散时间等效基带模型,且分析了信道滤波器抽头系数的统计特性。文中提出的模型有助于地空通信系统的设计。
The characteristics of S-band space-to-air channel are introduced and the discrete-time equivalent baseband model of the terrestrial channel is established. The statistical characteristics of channel filter tap coefficients are analyzed. The proposed model contributes to the design of ground-air communication system.