Electromagnetic Wave Propagation on Helical Structures (A Review and Survey of Recent Progress)
作者： Samuel Sensiper
DOI: 10.1109/JRPROC.1955.278072
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摘要: The progress which has been made in recent years analyzing and understanding the electromagnetic properties of helical structures is reviewed here. After a brief account work prior to about 1950, results obtained from an analysis sheath helix model are summarized. more physically realistic tape its characteristics-forbidden regions, space harmonics, etc.-are discussed. Recent extensions including effect radially stratified mediums, both isotropic anisotropic, noted. Also, additional using or finite wire reviewed. Finally, investigations filter helixes contrawound
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