根据电磁波在无线信道中传播的随机特性，使用随机射线建模电磁波传播。
According to stochastic characteristics of electromagnetic wave propagating in wireless channels, stochastic rays are employed to model electromagnetic wave propagation.
文章主要讨论了宽带码分多址(WCDMA)网络中无线小区随机接入信道(RACH)的数学建模方法及性能分析。
In this paper, we mainly discuss the mathematical modeling and performances of the Random Access Channel (RACH) of the wireless cells in WCDMA networks.
首先给出回放模型的建模思路以及对无线信道测量方法和测量仪器的要求；
The general method of playback channel modeling was introduced and the requirement on the wireless channel measurement was analyzed briefly.
首先给出回放模型的建模思路以及对无线信道测量方法和测量仪器的要求；
The general method of playback channel modeling was introduced and the requirement on the wireless channel measurement was analyzed briefly.
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