Engineering & Technologies, 2016, 9(3), 302-309 ~ ~ ~ УДК 629.7.058.6 The Use of Computer Models in the Software and Hardware Complex of Research Methods of Navigation Spacecrafts Viktor N. Bondarev, Dmitry D. Dmitriev, Nikolay N. Kremez* and Valeriy N. Tyapkin Siberian Federal University 79 Svobodny, Krasnoyarsk, 660041, Russia Received 01.09.2015, received in revised form 20.01.2016, accepted 31.01.2016 A description and capabilities developed computer models on research of methods developed highprecision navigation used in the software and hardware complex modeling processes positioning and measurement of the spatial orientation of the spacecraft at the low orbit and the GSO. <...> Citation: Bondarev V.N., Dmitriev D.D., Kremez N.N., Tyapkin V.N. The use of computer models in the software and hardware complex of research methods of navigation spacecrafts, J. Sib. <...> All rights reserved * Corresponding author E-mail address: Nkremez@sfu-kras.ru # 302 # Viktor N. Bondarev, Dmitry D. Dmitriev… The Use of Computer Models in the Software and Hardware Complex… Использование компьютерных моделей в программно-аппаратном комплексе исследования методов навигации космических аппаратов В. <...> Introduction Application of GNSS receivers for navigation satellites of various types ranging from the idea to the realization of the specifi c active project is widely discussed in foreign and domestic sources. <...> Considerable importance is given in the literature algorithmic methods of determining the location of the GSO spacecraft, used in low quantities of visible navigation spacecraft (NS) model of the motion of the spacecraft [1]. <...> Creating a hardware system for experimental studies associated primarily with economic costs not only for the manufacture of the modules of the system itself, but also for additional peripherals. <...> Nowadays more and more popular during the experimental studies are gaining mathematical modeling methods. <...> At the present stage of development of computer technology experimental studies using mathematical models will inevitably lead to the creation on their basis of a computer model, which should fully satisfy the conditions of the experiment. <...> Contribution of various disturbing factors precision motion prediction depends on the parameters the spacecraft altitude orbit, elliptic, etc., as well as mass-dimensional and aerodynamic of characteristics of the spacecraft. <...> The model of the gravitational fi eld of the Earth (GFE) due to the continuous improvement <...>