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Gain measurement and uncertainty assessment of A GPS receiver's antenna At 1575.42MHz

机译:GPS接收器天线在1575.42MHz处的增益测量和不确定性评估

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摘要

In this paper, we propose a scheme to measure the gain of a global positioning system (GPS) receiver's antenna at the carrier frequency of 1575.42MHz and evaluate its measurement uncertainty. The proposed scheme is implemented in an anechoic chamber for obtaining a higher measurement precision. Regarding the uncertainty analysis, the primary effects such as the precision of measuring instrument, the mismatch of connection between transmitting antenna and signal generator, and the measurement environment are all considered and evaluated. The practical measurement results indicate a satisfactory performance on the uncertainty analysis of antenna gain measurement demonstrating the effectiveness of the proposed antenna gain measurement method.
机译:在本文中,我们提出了一种方案来测量全球定位系统(GPS)接收机天线在1575.42MHz载波频率上的增益,并评估其测量不确定度。所提出的方案在消声室中实施以获得更高的测量精度。对于不确定性分析,主要考虑并评估了诸如测量仪器的精度,发射天线与信号发生器之间的连接不匹配以及测量环境等主要影响。实际测量结果表明,在天线增益测量的不确定度分析上具有令人满意的性能,证明了所提出的天线增益测量方法的有效性。

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