上海市公路设施管理地理信息系统采用了线性参照系统的概念对数据进行了组织，建立了基线网及相应的应用层。
The concept of linear referencing system is applied in Shanghai GIS-Highway Infrastructure Management system (SHGIS-HIMS) to organize data and set up the datum and the network.
对双基线系统余数定理解模糊原理作了分析，提出了虚拟阵元概念，清晰地解释了基线长度之比为互质数之比的多基线系统的相位解模糊能力。
The principle for resolving ambiguity in dual baseline system is analyzed by using theorem of remainder and the concept of imaginary array is presented.
以星载寄生式sar系统成像信号模型为基础，给出了该系统的干涉模型，分析了其特点和限制条件，提出了距离向有效基线和方位向有效基线的新概念。
Based on the radar image model of spaceborne parasitic SAR system, interferometric model of this new system is proposed; new characters and limits are analyzed in detail.
以星载寄生式sar系统成像信号模型为基础，给出了该系统的干涉模型，分析了其特点和限制条件，提出了距离向有效基线和方位向有效基线的新概念。
Based on the radar image model of spaceborne parasitic SAR system, interferometric model of this new system is proposed; new characters and limits are analyzed in detail.
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