资料介绍
SooLiam_Ooi_MotorolaMulti-pitch, Multi-Band Helical antenna
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SooLiam Ooi Motorola Florida Corporate Research Lab
SL Ooi Feb 03
MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. All other product or service names are the property of their respective owners. Motorola, Inc. 2003.
Multi-pitch Helical Antenna
Manipulating the pitch and length combinations to create multiple resonant frequencies. F1 The fundamental resonance, F1 is determined by the total wire length. The higher resonance, F2 is determined by the length of the lower loose section indicated in blue.
Zhou, G. “A non-uniform pitch dual band helix antenna.” IEEE Antennas a
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