基于TDOA原理计算信号源位置的算法探讨

目前，在无线电监测工作中小型监测站以其成本低、体积小、便于维护等众多优势得到广泛应用，已逐渐成为行业趋势。但是，众多小型监测站目前仅具备监测功能，不具备测向功能，给未知信号源的定位带来诸多不便，因此基于TDOA(Time Difference Of Arrival)定位方法的研究便显得尤为重要。主要讨论了基于未知信号源到不同监测站的时间差、计算未知信号源位置的方法，并用C语言实现。

Discussion about Algorithm of Calculating Source Location Based on TDOA

At present, small and medium size radio monitoring stations with their low cost, small volume, convenient in maintenance etc advantages are widely applied, have gradually become the industry trend. However, numerous small stadons currently only have monitoring function, doesri t have the direction-finding function, and bring a lot of inconvenfence to the unknown source orientation. So it is particularly important to research method of locating based on TDOA Time Difference of Arrival). This paper discussed the method of calculating unknown source to defined position, based on temporal difference between unknown source and the different stations. Finally, it was implemented with C language.