结合生产科研实践，在论述星载雷达成像方式及Ｒａｄａｒｓａｔ 数据产品主要特点的基础上，针对以岩性识别和构造分析为主要研究内容的地质探测领域，着重讨论分析了波束模式、视角范围、卫星姿态、时相、数据处理级别等影响数据产品选择的主要因素，并提出地质探测领域Ｒａｄａｒｓａｔ 数据产品的选择原则及参考意见，供广大遥感地质工作者在充分利用这一新型遥感数据源时参考。 Combining with the production and scientific research practice, based on the discussion of the main features of the spaceborne radar imaging and the Radarsat data products, aiming at the field of geological exploration with lithology identification and tectonic analysis as the main research contents, the characteristics of the beam pattern, Attitude, timing, data processing level and other factors that affect the choice of data products, and put forward the principle of selecting Radarsat data products in geological exploration field and reference suggestions for the general remote sensing geologists in making full use of this new remote sensing data source reference.