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Empirical Analysis of Medium Wave Field Strength Prediction in Urban Environments

机译:城市环境中波场强预测的实证分析

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This paper presents results obtained from four extensive field trials of medium wave DRM (Digital Radio Mondiale) which were carried out in Madrid (Spain), Delhi (India) and Mexico D.F. (Mexico) using different transmission frequencies. The objective is to provide medium wave field strength spatial variability values for urban environments using empirical analysis methodology. The influence of the transmission frequency on medium wave propagation in urban environments is included. Both, long and short term components of the signal spatial variability are studied characterizing wide, medium and narrow streets, and the attenuation caused by different urban fast variation occurrences is statistically featured. All the results presented in this paper are essential for future network planning of new emerging digital broadcasting services and have been validated using the Generalized Lee Method.
机译:本文介绍了在马德里(西班牙),德里(印度)和墨西哥D.F中进行的中等波浪DRM(数字收音机Mondiale)的四个广泛的田间试验获得的结果。 (墨西哥)使用不同的传输频率。目的是使用经验分析方法提供城市环境的中波场强度空间可变性值。包括传输频率对城市环境中的中波传播的影响。信号空间变异性的长期和短期组件都是研究宽,中窄街道的,以及不同城市快速变化发生引起的衰减在统计上。本文提出的所有结果对于新兴数字广播服务的未来网络规划至关重要,并使用广义的LEE方法进行了验证。

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