FIELD: relay satellites.
SUBSTANCE: block of multiplexers of the switch is introduced into the satellite relay, connected in series to the switching block, to the first, second and third inputs of which the outputs of the block of intersatellite receivers, the block of subscriber receivers and the block for generating service messages are connected, the switching block is made in the form of a series cascades of switching elements, the outputs of the last cascade are connected to the first inputs of the multiplexer block, the outputs of the navigation block and the blocking signal generator are connected to the second inputs of the latter through the encoder, the switching elements of the switching block with two independent inputs and two outputs, with each input connected in series the first element I, two band-pass filters connected to opposite trigger inputs, and the second and third I elements, the first inputs of which are connected to the heteronymic trigger outputs, the second inputs are connected to the corresponding input of the switching element, and the outputs are connected to the outputs of the third and fourth I elements, the second inputs of which are connected to another input of the switching element through the fifth I element, the second inputs of the first and fifth I elements are connected to the corresponding independent input of the switching element through a gate driver, the latter contains two pairs connected to its input in series connected register and comparator, the second inputs of which are connected to the outputs of storage devices, the outputs of the comparators are connected to the opposite inputs of the trigger and the different inputs of the generator with start and stop synchronization, to the control input of which a phased locking unit is connected, and the output is connected to the synchronization inputs of the registers of each group, the body of the repeater satellite is made in the form of a single-cavity hyperboloid, and the transmitting antennas are placed at opposite ends of the stringers connecting the opposite sides of the casing, the receiving antennas are similarly placed.
EFFECT: simplification of the adjustment of the switch as part of the satellite relay and the elimination of its malfunctions, as well as ensuring the continuity of intersatellite communications.
1 cl, 18 dwg, 3 tbl
Title | Year | Author | Number |
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|
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MOBILE UNIT FOR MOBILE COMMUNICATIONS | 2005 |
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METHOD OF TRANSMITTING MESSAGES IN TWO-LEVEL SATELLITE COMMUNICATION SYSTEM | 2023 |
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RU2826818C1 |
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RU2085041C1 |
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RU2117391C1 |
Authors
Dates
2023-04-07—Published
2022-10-21—Filed