Consulted by the radio network optimization, the precise DTM data and propagation model are applied to predict the coverage of sites with given geographic coordinates and system configurations.

• 信号在实际传播过程中因受地形、地物的影响而衰落 ,无线网络设计工程需要应用精确的数字地面模型数据和准确的信号传播模型 ,对指定站址和小区参数的基站进行覆盖质量预测 ,为网络优化提供依据。