METHOD OF ESTABLISHING OPTIMUM VALUE OF EQUIVALENT ISOTROPICALLY EMITTED POWER OF TRANSMITTING SYSTEM OF SPACECRAFT ON LOW CIRCULAR ORBIT FOR COMMUNICATION WITH RETRANSMISSION SATELLITE ON HIGH CIRCULAR ORBIT EQUIPPED WITH RECEIVING ANTENNA WITH NARROW CONTROLLED BEAM Russian patent published in 2019 - IPC H04B7/185

Abstract RU 2699821 C2

FIELD: astronautics.

SUBSTANCE: invention relates to space systems for relaying information between low-orbiting spacecrafts and control centers and receiving messages using high-orbit, mainly geostationary satellites-retransmitters. In order to achieve the said objective, the values of the length of the inter-satellite line and the noise temperature of the receiving system of the retransmission satellite are calculated for the threshold value of the deflection angle of the line of sight "spacecraft - satellite-retransmitter" from the direction "SR - center of the Earth" , where R_E is radius of Earth, R_SR is the radius of the orbit SR, h is the minimum allowable height of the passage of the intersatellite line above the Earth's surface.

EFFECT: technical result consists in developing a method which enables to establish minimum required parameters of a low-orbital spacecraft transmitting system, represented in the form of equivalent isotropically emitted power, by taking into account features of transmitting information over an inter-satellite line to a high-orbit relay satellite.

1 cl, 4 dwg, 1 tbl

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RU 2 699 821 C2

Authors

Mukhin Vladimir Anatolevich

Dates

2019-09-11—Published

2017-12-11—Filed