第一代手机技术是基本模拟信号，是基于贝尔的理论。

First-generation cell phones were basic analog units, based on a scheme that Alexander Graham Bell would recognize.

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基于人工神经网络(ANN)理论，提出一种利用ANN来模拟信号传播延迟、载波相位、信号功率等参量的方法。

Based on the theory of Artificial Neural Network (ANN), an approach to simulate signal propagation delay, carrier phase, power, and other parameters using ANN is proposed.

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基于随机过程理论和数值模拟方法，提出了利用MATL AB软件模拟生成随机风荷的一种新途径。

Based on the theory of random process and method of numerical simulation, a new methodology of generating random wind forces by MATLAB software is developed.

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