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。
GPS, Short baseline, Sample quantity, Precision estimation.
GPS定位，短基线，子样容量，精度评定。
GPS, Short baseline, Sample quantity, Precision estimation.
GPS定位，短基线，子样容量，精度评定。
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