Oblique-axis cylinder projection method based on GNSS and ground distance measurement combined adjustment
The invention discloses an oblique-axis cylinder projection method based on GNSS and ground distance measurement combined adjustment. The method comprises the steps of taking a known point as a fixedpoint under a WGS84 coordinate system, carrying out the three-dimensional adjustment of a GNSS observ...
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| creator | DI GUOHUI LIU SONG LIU YONG WAN NIANFENG |
| description | The invention discloses an oblique-axis cylinder projection method based on GNSS and ground distance measurement combined adjustment. The method comprises the steps of taking a known point as a fixedpoint under a WGS84 coordinate system, carrying out the three-dimensional adjustment of a GNSS observation control network, and calculating the geodetic coordinates (B0, L0 and H0) of a control point;under a WGS84 coordinate system, calculating Gaussian plane coordinates (xg0, yg0) of a known point through Gaussian projection positive calculation, and carrying out two-dimensional joint adjustmenton GNSS and ground distance measurement with the known point as a fixed point to obtain Gaussian plane coordinates (x0, y0) of the control point; converting Gaussian plane coordinates (x0, y0) of thecontrol point into geodetic coordinates (B1, L1) through Gaussian projection back calculation, and obtaining new geodetic coordinates (B1, L1, H0) of the control point; and performing oblique-axis cylindrical projection positiv |
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The method comprises the steps of taking a known point as a fixedpoint under a WGS84 coordinate system, carrying out the three-dimensional adjustment of a GNSS observation control network, and calculating the geodetic coordinates (B0, L0 and H0) of a control point;under a WGS84 coordinate system, calculating Gaussian plane coordinates (xg0, yg0) of a known point through Gaussian projection positive calculation, and carrying out two-dimensional joint adjustmenton GNSS and ground distance measurement with the known point as a fixed point to obtain Gaussian plane coordinates (x0, y0) of the control point; converting Gaussian plane coordinates (x0, y0) of thecontrol point into geodetic coordinates (B1, L1) through Gaussian projection back calculation, and obtaining new geodetic coordinates (B1, L1, H0) of the control point; and performing oblique-axis cylindrical projection positiv</description><language>chi ; eng</language><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; GYROSCOPIC INSTRUMENTS ; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES ; MEASURING ; MEASURING DISTANCES, LEVELS OR BEARINGS ; NAVIGATION ; PHOTOGRAMMETRY OR VIDEOGRAMMETRY ; PHYSICS ; RADIO DIRECTION-FINDING ; RADIO NAVIGATION ; SURVEYING ; TESTING</subject><creationdate>2020</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=20200619&DB=EPODOC&CC=CN&NR=111307125A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200619&DB=EPODOC&CC=CN&NR=111307125A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DI GUOHUI</creatorcontrib><creatorcontrib>LIU SONG</creatorcontrib><creatorcontrib>LIU YONG</creatorcontrib><creatorcontrib>WAN NIANFENG</creatorcontrib><title>Oblique-axis cylinder projection method based on GNSS and ground distance measurement combined adjustment</title><description>The invention discloses an oblique-axis cylinder projection method based on GNSS and ground distance measurement combined adjustment. 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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES GYROSCOPIC INSTRUMENTS LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SURVEYING TESTING |
| title | Oblique-axis cylinder projection method based on GNSS and ground distance measurement combined adjustment |
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