【Key words】 baseline estimation； initial coordinates； ionosphere cut-off angle； sampling rate；
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baseline estimation method 基线估计方法
initial baseline estimation 初始基线估计
digital baseline estimation 数字基线估计
baseline error estimation 基线误差估计
A baseline estimation method based on prior knowledge and SAR imaging parameters is presented in Chapter 3.4.
利用地面先验知识和成像系统的参数,可以降低基线估计所需要的条件数。
参考来源 - 垂直航迹/沿航迹干涉合成孔径雷达信号处理技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
We compare DEM altitude derived from test area with GPS altitude. Consequently the baseline estimation approach is validated.
最后将实验地区生成的DEM高程与GPS高程进行比较，证明了这种基线估计方法的有效性。
So, this paper presented a new baseline estimation method based on the principle of INSAR, which used the phases of flat earth. Two types of data were used to do experiments.
针对这种情况，从INSAR的基本原理入手，提出了一种新的利用平地干涉相位进行初始基线估计的方法。
According to the results of this re search, digital baseline estimation method can estimate baseline optimally, and it is very suitable to be used in digital multi-channel pulse height analysis.
研究结果表明，数字基线估计方法能实现最佳基线估计，特别适于在数字化多道脉冲幅度分析中使用。
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