机会照射源雷达与一般双/多基地雷达的最大区别就在于照射源特点的差异。文中首先给出了目前可以利用的机会照射源种类,然后从辐射源的可用性、信号波形特征以及不同应用领域等方面分析了机会照射源雷达系统中外辐射源的选择原则,最后介绍了针对不同辐射源和应用的目标定位体制。 Opportunity radiation source radar and the general double / multi-base radar is the biggest difference between the characteristics of the radiation source. In this paper, the types of opportunity radiation sources that can be used at present are given first. Then the principle of selection of external radiation sources in the system of opportunity radiation source radar is analyzed from the aspects of the availability of radiation sources, signal waveform characteristics and different application fields. Finally, Source and application of the target positioning system.