Measurement and Application of VNA

Abstract

The vector network analyzer is the most important measurement instrument in communication antennas. In order to characterize the microwave components and the front-end of wireless systems, the vector network analyzer is the most commonly used frequency domain measurement platform. The uncertainty analysis of its measurement results is one of the hot topics in the field of instrumentation and measurement. An in-depth analysis of measurement uncertainty introduced by different calibration methods is the quantitative basis for reasonable selections of self-calibration methods. In frequency domain channel measurement, multiple frequency points need to be measured, and there is a strong correlation between the measurement results of each frequency point, which effectively gives a reasonable choice of the measurement method. The impact of the effective assessment is combined with various experiments, tests and practical comparative analysis of the obtained data.