硕士学历或以上，通信工程、无线电传播、电子、自动化等专业毕业。
Master degree and above. Major in communication, radio, electronic and automation.
他们把声音进行数字化，然后通过四分之一无线电传播器把数据广播出来。
They digitize sound and broadcast the data through quarter size radio transmitters.
本文围绕软件天线关键技术进行研究，主要工作如下：首先研究了无线电传播模型。
This dissertation focuses on key technology of software antenna. The main work as followings: This dissertation investigated about the radio transmission model.
每个S5重复第一个S5的无线信号，将音乐通过无线电传播传送到100英尺的范围之内。
Each S5 repeats the wireless signal from the first one, rebroadcasting the music up to 100 feet at a time.
大气折射效应会引起无线电传播路径发生弯曲，使得无线电导航定位系统中测量到的距离与真实值有一定的误差。
Radio wave bending is caused by atmospheric refraction, which leads to the distance measured by radio navigation system different from the truth.
根据北京地区移动通信无线电传播规律，在信号快衰落幅度服从m衰落的基础上，给出了M衰落波形信道的计算机仿真模型。
Based on the propagation regularity of land mobile communication in Beijing, this paper gives the computer simulation model of M-distribution fading wave channel.
文中通过对无线电传播路径损耗模型的分析，提出了加权质心定位算法，用信标节点对未知节点的不同影响力来确定加权因子，以提高定位精度。
The design problem of location algorithm in wireless sensor networks is investigated, and a new node positioning algorithm is proposed based on the mobile beacon node method.
文中通过对无线电传播路径损耗模型的分析，提出了加权质心定位算法，用信标节点对未知节点的不同影响力来确定加权因子，以提高定位精度。
The design problem of location algorithm in wireless sensor networks is investigated, and a new node positioning algorithm is proposed based on the mobile beacon node method.
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