Detection of parasitic radiation, high-altitude fields, crosstalk and grounding inefficiency in the antenna feed lines by near-field scanning

@article{Zlatkov2011DetectionOP,
  title={Detection of parasitic radiation, high-altitude fields, crosstalk and grounding inefficiency in the antenna feed lines by near-field scanning},
  author={Kaloyan I. Zlatkov and Plamen I. Dankov},
  journal={2011 19thTelecommunications Forum (TELFOR) Proceedings of Papers},
  year={2011},
  pages={1028-1031}
}
The paper considers several spread problems, which take place in many microwave non-antenna devices (antenna feed lines, hybrids, filters, diplexers, LNAs, etc.) — parasitic radiation, “high-altitude” fields, crosstalk, grounding inefficiency. Near-field scanning has been used for their detection and then, for verification of their minimization. Some practical design rules have been discussed to avoid these problems in the multi-layer antenna arrays. 
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