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Multiple reflection signals between the probe and the antenna is always ignored in frequency domain near field measurement, which can be reduced by technique such as time gate in the time domain near field measurement sometimes. There are few articles to study about influence of the multiple reflection error affecting the result of the test for it is difficult to determine multiple reflection signals...
A system using linear frequency modulation (LFM) source signal for time-domain near-field antenna measurements instead of traditional pulse signal has been established. It is shown that time-domain near-field antenna measurements using LFM signal are in a good agreement with theoretical calculation and simulation results. In the interval [−40°, 40°], the main lobe and the first side lobe error is...
Multiple reflection signals between the probe and the antenna is neglected on frequency domain near field tests, which can be reduced by technique such as timegate in the time domain near field test sometimes. In this letter multiple reflection signals is studied by analyze the signals in the port of antenna under test (AUT). The multiple reflection signals with different probe in different position...
The correction in frequency domain is different and constant in each frequency point, because of multi-reflection, waveguide transmission, coaxial conversion factors and many other factors. This article focuses on the system, explores the relationship between the parts that include the reflection, transmission attenuation, waveguide coaxial switch matching and probe receiving features and frequency,...
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