详细研究了大气边界层水汽和温度变化对掩星观测高度、相位时延的影响；
The height and the excess phase variations of the occultation caused by water vapor and the temperature variety in the atmosphere boundary layer are studied in details.
根据不规则体的尺度讨论了大气引起的SAR相位（在此，描述为额外光程或额外时延）。
Signal phase (described as excessive path or excessive time delay here) for SAR induced due to atmospheric irregularity with different scale length is discussed in this paper.
同步跟踪则由多径跟踪的结果精确估计PN序列码相位，并实时跟踪信道各径成分由于多普勒效应产生的时延漂移。
Following, code tracking confirm the PN code phase precisely and track every multipath component's delay drifting due to Doppler effect.
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