System for determining precise orbit of satellite and method thereof
First Claim
1. A system for determining a precise orbit of a satellite including a satellite for receiving global positioning system (GPS) data from the GPS satellites, an international GPS service for geodynamics (IGS) for collecting and processing L1/L2 carrier phase data of reference ground stations of the GPS satellites distributed all over the world, a satellite control system for monitoring and controlling a state of a satellite by receiving telemetry data and transmitting telecommand data through an antenna, and for achieving the L1/L2 carrier phase data of the IGS, and an image processing system for processing image data collected by the satellite, wherein the satellite control system comprises:
- a tracking, telemetry and command (TTC) module for receiving the telemetry data from the satellite, tracking the satellite, and performing a link to the satellite;
a satellite operations sub module for extracting the L1 carrier phase data by processing and analyzing the telemetry data received by the TTC module, monitoring the state of the satellite, generating the telecommand data to be transmitted to the satellite, and controlling and operating the satellite; and
a mission analysis and planning subsystem (MAPS) for determining the precise orbit of the satellite using the L1 carrier phase data extracted by the satellite operations sub module, the L1/L2 carrier phase data of the reference ground stations of the GPS satellites collected by the IGS, and a path error caused by the ionosphere of data, and analyzing and planning a mission of the satellite.
2 Assignments
0 Petitions
Accused Products
Abstract
In a system for determining a precise orbit of a satellite, a satellite control system includes a tracking, telemetry and command module for receiving telemetry data from the satellite, tracking the satellite, and performing link to the satellite; a satellite operations sub module for extracting L1 carrier phase data by processing the telemetry data, monitoring the satellite, generating telecommand data, and controlling the satellite; and a mission analysis and planning subsystem for determining the precise orbit of the satellite using the L1 carrier phase data collected by a satellite, L1/L2 carrier phase data of the reference ground stations of the GPS satellites collected by an IGS, and a path error caused by the ionosphere of data, and analyzing and planning a mission of the satellite.
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Citations
15 Claims
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1. A system for determining a precise orbit of a satellite including a satellite for receiving global positioning system (GPS) data from the GPS satellites, an international GPS service for geodynamics (IGS) for collecting and processing L1/L2 carrier phase data of reference ground stations of the GPS satellites distributed all over the world, a satellite control system for monitoring and controlling a state of a satellite by receiving telemetry data and transmitting telecommand data through an antenna, and for achieving the L1/L2 carrier phase data of the IGS, and an image processing system for processing image data collected by the satellite,
wherein the satellite control system comprises: -
a tracking, telemetry and command (TTC) module for receiving the telemetry data from the satellite, tracking the satellite, and performing a link to the satellite;
a satellite operations sub module for extracting the L1 carrier phase data by processing and analyzing the telemetry data received by the TTC module, monitoring the state of the satellite, generating the telecommand data to be transmitted to the satellite, and controlling and operating the satellite; and
a mission analysis and planning subsystem (MAPS) for determining the precise orbit of the satellite using the L1 carrier phase data extracted by the satellite operations sub module, the L1/L2 carrier phase data of the reference ground stations of the GPS satellites collected by the IGS, and a path error caused by the ionosphere of data, and analyzing and planning a mission of the satellite. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for determining a precise orbit of a satellite including a satellite for receiving global positioning system (GPS) data from the GPS satellites, an international GPS service for geodynamics (IGS) for collecting and processing L1/L2 carrier phase data of reference ground stations of the GPS satellites distributed all over the world, a satellite control system for monitoring and controlling a state of a satellite by receiving telemetry data and transmitting telecommand data through an antenna, and for achieving the L1/L2 carrier phase data of the IGS, and an image processing system for processing image data collected by the satellite and generating a precise image photograph, the method comprising:
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(a) receiving telemetry data from the satellite and extracting the L1 carrier phase data from the telemetry data; and
(b) determining the precise orbit of the satellite using the L1 carrier phase data extracted in the step (a), the L1/L2 carrier phase data collected by the IGS, and a path error caused by the ionosphere and analyzing and planning a mission of a satellite. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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Specification