Low-orbit satellite time-frequency synchronization method and system, electronic equipment and storage medium

Low-orbit satellite time-frequency synchronization method and system, electronic equipment and storage medium

The invention relates to a low-earth-orbit satellite time-frequency synchronization method and system, electronic equipment and a storage medium, and the method comprises the steps: obtaining the observation data of a navigation satellite based on a reference frequency signal of a low-earth-orbit sa...

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Hauptverfasser: YIN XIANGFEI, ZHANG YI, AI YANJUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
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creator YIN XIANGFEI
ZHANG YI
AI YANJUN
description The invention relates to a low-earth-orbit satellite time-frequency synchronization method and system, electronic equipment and a storage medium, and the method comprises the steps: obtaining the observation data of a navigation satellite based on a reference frequency signal of a low-earth-orbit satellite frequency source; wherein the observation data comprises a pseudo-range observation value and a carrier phase observation value; performing precise point positioning based on the pseudo-range observation value, the carrier phase observation value and precise information injected on the ground to obtain position information of the low-orbit satellite; wherein the precise information comprises precise orbit information and precise clock error information of the navigation satellite; determining reference time based on the position information of the low-orbit satellite, and generating a reference time pulse signal; and regulating and controlling on-satellite time of the ground orbit satellite and a reference
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language chi ; eng
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subjects ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
title Low-orbit satellite time-frequency synchronization method and system, electronic equipment and storage medium
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