نتایج جستجو برای: helical antenna
تعداد نتایج: 68840 فیلتر نتایج به سال:
the methods which are used to analyze microstrip antennas, are divited into three categories: empirical methods, semi-empirical methods and full-wave analysis. empirical and semi-empirical methods are generally based on some fundamental simplifying assumptions about quality of surface current distribution and substrate thickness. thses simplificatioms cause low accuracy in field evaluation. ful...
Identification of Chiral Enantiomers In article number 2209125, Hossam Haick and co-workers report a molecular-spin-sensitive-antenna (MSSA) made up organically functionalized graphene layers on fibrous helical cellulose network. The MSSA structure combines relativistic spin–orbit interaction coupled with organic spin-coherence offers spatiotemporal chiral molecule separation, recognition, sele...
Ants are eusocial insects that are found in most regions of the world. Within its caste, worker ants are responsible for various tasks that are required for colony maintenance. In their chemical communication, α-helical carrier proteins, odorant-binding proteins, and chemosensory proteins, which accumulate in the sensillum lymph in the antennae, play essential roles in transferring hydrophobic ...
Over the past decades, orbital angular momentum (OAM) has attracted great interest due to its helical phase characteristics. It been proved that plane spiral OAM (PSOAM) waves have a potential in azimuthal pattern reconfiguration. PSOAM could be termed as special form of wave, which avoids inconsistency divergent angles for different waves. However, from practical point view, such PSOAM-based r...
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