在正侧视模式下，以不同视角对同一地域进行观测可获得多组回波数据，通过对多组回波数据的综合处理可提高SAR的距离向分辨力。
Different data sets relative to the same scene acquired with different view angles can be exploited to improve slant-range resolution of SAR in broadside mode.
GPS定位技术的高效率、高精度、没有距离的限制、全天候作业模式及观测和数据处理的高度自动化等诸多优点，使GPS定位技术在大坝、坝区高边坡安全监测中得到应用。
Because of high-efficient, high-precision, no distance limitation, all-weather operation, highly automated and so on, the technology of GPS positioning is used in the security monitoring of the dam.
通过建立坡面人工径流小区对两种模式和农耕地进行定位观测，在实验数据的基础上分析了两种模式的林冠截留特征。
Through setting up artificial surface flow district and the station observation in farmlands, the water holding characteristic of canopy of the two modes were analyzed based on the experimental data.
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