Beidou satellite selection method based on satellite signal energy and spatial orientation information
The invention discloses a Beidou satellite selection method based on satellite signal energy and spatial orientation information, and solves the problem of satellite selection under extreme conditionsthat a shielding object exists and the like. The method comprises the following steps of firstly, ob...
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| creator | FANG LEYOU ZHOU FENG BAI YULEI LIANG YINIAN WU ZONGZE ZHOU GUOXU HUANG TINGTING XIE SHENGLI |
| description | The invention discloses a Beidou satellite selection method based on satellite signal energy and spatial orientation information, and solves the problem of satellite selection under extreme conditionsthat a shielding object exists and the like. The method comprises the following steps of firstly, obtaining the intensity, defined in the specification, of each satellite carrier signal captured by aterminal through a blind separation model; secondly, substituting the intensity, defined in the specification, of each satellite carrier signal, as the weight into a direction cosine matrix of a satellite relative to a geocentric coordinate system, thereby generating a matrix G of orientation and intensity; and finally, calculating out a geometric dilution of precision (GDOP) by the matrix G of orientation and intensity, and obtaining a satellite combination corresponding to a minimum value of the GDOP, wherein the obtained satellite combination is a to-be-selected satellite combination. According to the method, the s |
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The method comprises the following steps of firstly, obtaining the intensity, defined in the specification, of each satellite carrier signal captured by aterminal through a blind separation model; secondly, substituting the intensity, defined in the specification, of each satellite carrier signal, as the weight into a direction cosine matrix of a satellite relative to a geocentric coordinate system, thereby generating a matrix G of orientation and intensity; and finally, calculating out a geometric dilution of precision (GDOP) by the matrix G of orientation and intensity, and obtaining a satellite combination corresponding to a minimum value of the GDOP, wherein the obtained satellite combination is a to-be-selected satellite combination. According to the method, the s</description><language>chi ; eng</language><subject>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</subject><creationdate>2018</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20181218&DB=EPODOC&CC=CN&NR=109031363A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20181218&DB=EPODOC&CC=CN&NR=109031363A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FANG LEYOU</creatorcontrib><creatorcontrib>ZHOU FENG</creatorcontrib><creatorcontrib>BAI YULEI</creatorcontrib><creatorcontrib>LIANG YINIAN</creatorcontrib><creatorcontrib>WU ZONGZE</creatorcontrib><creatorcontrib>ZHOU GUOXU</creatorcontrib><creatorcontrib>HUANG TINGTING</creatorcontrib><creatorcontrib>XIE SHENGLI</creatorcontrib><title>Beidou satellite selection method based on satellite signal energy and spatial orientation information</title><description>The invention discloses a Beidou satellite selection method based on satellite signal energy and spatial orientation information, and solves the problem of satellite selection under extreme conditionsthat a shielding object exists and the like. The method comprises the following steps of firstly, obtaining the intensity, defined in the specification, of each satellite carrier signal captured by aterminal through a blind separation model; secondly, substituting the intensity, defined in the specification, of each satellite carrier signal, as the weight into a direction cosine matrix of a satellite relative to a geocentric coordinate system, thereby generating a matrix G of orientation and intensity; and finally, calculating out a geometric dilution of precision (GDOP) by the matrix G of orientation and intensity, and obtaining a satellite combination corresponding to a minimum value of the GDOP, wherein the obtained satellite combination is a to-be-selected satellite combination. 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The method comprises the following steps of firstly, obtaining the intensity, defined in the specification, of each satellite carrier signal captured by aterminal through a blind separation model; secondly, substituting the intensity, defined in the specification, of each satellite carrier signal, as the weight into a direction cosine matrix of a satellite relative to a geocentric coordinate system, thereby generating a matrix G of orientation and intensity; and finally, calculating out a geometric dilution of precision (GDOP) by the matrix G of orientation and intensity, and obtaining a satellite combination corresponding to a minimum value of the GDOP, wherein the obtained satellite combination is a to-be-selected satellite combination. According to the method, the s</abstract><oa>free_for_read</oa></addata></record> |
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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 | Beidou satellite selection method based on satellite signal energy and spatial orientation information |
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