Method for realizing positioning of naval ship by using communication satellite interference measurement
The invention provides a method for realizing positioning of a naval ship by using communication satellite interference measurement. Radiation source signals of at least three communication satellitesare simultaneously received through a ground VLBI observation network, time delay difference of a sa...
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| creator | ZHAO XIAN WANG SHANHE XIANG YU YAO DANG HUA YU YANG XUHAI HUANG CHANGJIANG MA LANGMING GAO YUANYUAN ZHAO KUNJUAN |
| description | The invention provides a method for realizing positioning of a naval ship by using communication satellite interference measurement. Radiation source signals of at least three communication satellitesare simultaneously received through a ground VLBI observation network, time delay difference of a satellite signal reaching each antenna is obtained, and precise orbit measurement is conducted on thecommunication satellites to obtain position information of the communication satellites; an array antenna is used on the naval ship to observe the same communication satellites, and time delay difference between the satellite signal reaching the naval ship and any measurement station in the VLBI observation network is obtained; and position information and clock difference of the naval ship are solved by a simultaneous positioning equation. The method does not depend on an existing satellite navigation system, the high precision positioning service of the naval ship can still be realized without affecting the service |
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Radiation source signals of at least three communication satellitesare simultaneously received through a ground VLBI observation network, time delay difference of a satellite signal reaching each antenna is obtained, and precise orbit measurement is conducted on thecommunication satellites to obtain position information of the communication satellites; an array antenna is used on the naval ship to observe the same communication satellites, and time delay difference between the satellite signal reaching the naval ship and any measurement station in the VLBI observation network is obtained; and position information and clock difference of the naval ship are solved by a simultaneous positioning equation. 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Radiation source signals of at least three communication satellitesare simultaneously received through a ground VLBI observation network, time delay difference of a satellite signal reaching each antenna is obtained, and precise orbit measurement is conducted on thecommunication satellites to obtain position information of the communication satellites; an array antenna is used on the naval ship to observe the same communication satellites, and time delay difference between the satellite signal reaching the naval ship and any measurement station in the VLBI observation network is obtained; and position information and clock difference of the naval ship are solved by a simultaneous positioning equation. The method does not depend on an existing satellite navigation system, the high precision positioning service of the naval ship can still be realized without affecting the service</abstract><oa>free_for_read</oa></addata></record> |
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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 | Method for realizing positioning of naval ship by using communication satellite interference measurement |
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