The article tells about the contribution of Vainstein's theorem in the development of electromagnetic theory. In accordance with this theorem the total power of electromagnetic field consists of active and oscillating components. The first magnitude is the active part of the power flow, equal to its average value. The second magnitude is the oscillating… (More)
Antennas with rotational symmetry - flat and volume self-complementary antennas, consisting of several metallic and slot radiators of identical shapes and dimensions, are considered. Methods of calculating mutual capacitances between individual radiators or groups of radiators, based on conformal transformations and reduction of three-dimensional problems… (More)
Variants of volume self-complementary antennas (conic, parabolic et al.) are considered. Method of their analysis is described. Electrical characteristics depending on frequency are calculated and measured in models. Properties of different volume antennas are compared with each other and with properties of flat self-complementary antennas. It is shown that… (More)
The calculation method of electrical characteristics of the flat transparent antenna with metal triangle in the base is developed. The method is based on the solution of the integral equation for the current along the transparent conductive film. Ways of such antennas optimization are sown.
The compensation method permitting to reduce irradiation of the user's body and to create a weak field area (a dark spot) in the antenna near region for an operation in a wide frequency band is considered.
Expansion of Standard Model for the quantitative description of the or-thopositronium lifetime anomalies (from QED to supersymmetric QED/SQED) allows to formulate experimental tests of supervision of additional realization of the supersymmetry in final state of the positron beta-decay of the nuclei such as 22 Na, 68 Ga (∆J π = 1 +). The expermentum crucis… (More)
On the basis of phenomenological model of the orthopositronium annihilation 'isotope anomaly' in gaseous neon (lifetime spectra, positrons source 22 Na) the realistic estimation of an additinal mode (∼0.2%) of the orthopositronium annihilation is received.
The analytical expressions are obtained, and the method of calculating directional patterns of thin antennas with large dimensions was proposed. Directivity of dipoles, V-dipoles and in-phase radiators of similar types were calculated. The importance of accounting the magnitude PF for the estimate of a communication range was demonstrated.
The article tells about the contribution of Vainstein's theorem in the development of electromagnetic theory. In accordance with this theorem the total power of electromagnetic field consists of active and oscillating components. An example of a problem, which is solved by means of this theorem, - resistance of losses in an earth and grounding - is… (More)