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volume 205

ELECTROMECHANICAL MATTERS

VNIIEM studies. Volume 205. #2 2025

	Article title	Pages
	CONTENTS	1
	TABLE OF CONTENTS	2
GENERAL QUESTIONS OF ELECTROMECHANICS
	Birotor electric machine for low-power wind energy A. B. Zakharenko, D. Yu. Nosov	3-6
	Selection of diameter for an end engine with permanent magnets assembled as per Halbach simplified scheme for aircraft A. B. Zakharenko, I. A. Teplyakov	7-12
	A current propagation model for calculating the parameters of electromagnetic fields of a return-stroke of lightning O. A. Tarasov, M. N. Goryunov, A. A. Davidov, V. S. Osolovsckiy	13-20
SPACE ELECTROMECHANICS. SPACE CRAFTS. NEAR-EARTH SPACE RESEARCH
	On possibility of real-time monitoring of trace gas and greenhouse gases from the space by lidar sensing A. V. Karelin, V. V. Khegai	21-26
	Flexible expansion of channel capacity of communication systems with channel code division A. A. Vostrikov, E. V. Samokhina, A. M. Sergeev	27-31
	Optimization of ballistic-navigation support methods for aircraft in multitasking mission conditions A. S. Ermilov, O. A. Saltykova	32-39
	Method for determining the influence of thermal loads on the parameters of elastic vibrations of a spacecraft S. A. Alekseev, O. P. Klishev, N. V. Skomorokhov, A. O. Menyaylo, A. S. Petryakov	40-49
	Status and development prospects of regional navigation satellite systems E. V. Ovchinnikova, P. A. Shmachilin, S. G. Kondrateva, E. V. Gadzhiev, A. Yu. Mikhailov	50-55
	Low-profile planar ultra-wideband antenna array Vo Ba Au, Yu. V. Yukhanov	56-60