circular

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circular

Logic (of arguments) futile because the truth of the premises cannot be established independently of the conclusion

Circular

 

an order issued by a state organ or public body or a clarification of the procedure for applying an act. A circular is distributed to subordinate institutions and organizations and generally deals with one or more problems of an official nature. Until 1936, in the USSR a circular was an official act promulgated by the head of a people’s commissariat.

References in periodicals archive ?
Alphones, "Stubs-integrated-microstrip antenna design for wide coverage of circularly polarised radiation," IET Microwaves, Antennas & Propagation, vol.
Secmen, "Omnidirectional and circularly polarized waveguide circular slot antenna array for satellite communication", Conference on Electrical and Electronics Engineering (ELECO), Bursa, Turkey, 2016, pp.
In this paper, a composite feed circularly polarised aperture-coupled microstrip antenna at X-band with improved characteristics has been presented.
Chi, "A slot loaded circularly polarized patch antenna for UHF RFID reader," IEEE Transactions on Antennas and Propagation, vol.
In the circularly polarized frame, we have [mathematical expression not reproducible].
A single-feed circularly polarized dual frequency compact rectangular patch antenna is proposed and experimentally studied in this paper.
The block diagram of circularly polarized antennas for UHF RFID readers of WSN with an isotropic pattern is presented in Figure 1.
Generally, a typical route to design a dual-band dual-sense circularly polarized antenna design basically follows two steps.
Geurts, "A shared aperture dual-frequency circularly polarized microstrip array antenna," IEEE Antennas and Wireless Technology Letters (AWPL), Vol.
The variations of the attenuation of right-hand circularly polarized electromagnetic wave in plasma along with the magnetic induction of external magnetic field and the plasma density under fixed plasma collision frequency are obtained based on the physical model and theoretical analysis, which is depicted in Figure 3, where the electromagnetic wave frequency f = 2.4 GHz and the plasma collision frequency [f.sub.en] = [10.sup.9] Hz.
In rare regions where conditions are just right, the researchers say, this "superchiral" light would twist around at rates hundreds of times higher than ordinary circularly polarized light.
This, in turn, increases the resonance frequencies, which produce wavelength effects that can result in clearly different distributions of the two circularly polarized components produced by even very simple RF coils.