1) Equipment time-delay(ETD)
测距零值
2) equipment time delay(ETD)
距离零值
1.
According to the influence,a method to distinguish the real signal target distance and multipath interference target distance for equipment time delay(ETD) calibration is proposed in TT&C system.
根据其影响,在测控系统中对距离零值的标定,提出了分辨真实信号目标距离和多径干扰目标距离的方法,为理论和实际应用提供了很好的依据。
3) measuring zero values
零值测试
1.
In this paper, the testing error of measuring zero values of the interferometer transponder in the spaceflight is analyzed.
本文对航天测控应答机(连续波相参应答机)的零值测试过程中的测试误差进行了全面研究与分析,并对照工程应用中实际暴露出来的测试误差点,尤其是收发频率不同在电缆和变频器中引入的群时延误差,探讨了如何精确测量或扣除避免这些误差的有效方法。
4) prompt measure
零距离量测
5) Zero detection depth method
零值测深法
6) pseudo range observations
伪距观测值
1.
It is discovered that in the GPS pseudo range observations the variation of the distance between GPS Satellite and receiver causes a systematic deviation which can be expressed by a mathematical formula and it is linearly related to the radial velocity of the receiver to satellite.
在 GPS伪距观测值中 ,发现存在着随测站和卫星距离变化而产生的系统偏差。
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