Joint observation method for sea surface wind field, sea wave and sea current

Joint observation method for sea surface wind field, sea wave and sea current

The invention belongs to the technical field of remote sensing, and particularly relates to a joint observation method for sea surface wind field, sea wave and sea current, which comprises the following steps of: 1) transmitting a group of difference frequency pulse signals to a sea surface to obtai...

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Hauptverfasser: DONG XIAOLONG, MIAO YUANJING, ZHU DI
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 DONG XIAOLONG
MIAO YUANJING
ZHU DI
description The invention belongs to the technical field of remote sensing, and particularly relates to a joint observation method for sea surface wind field, sea wave and sea current, which comprises the following steps of: 1) transmitting a group of difference frequency pulse signals to a sea surface to obtain different wavelength components of a sea wave spectrum; 2) transmitting a pulse signal to the sea surface to obtain sea surface backscattering coefficients and Doppler frequency shifts under different azimuth angles; 3) utilizing a result of the step 1) to invert and obtain sea surface sea wave spectrum information; 4) utilizing back scattering coefficient inversion to obtain sea surface wind field information; 5) estimating Doppler frequency shift caused by a sea surface wind field and sea waves based on a sea surface Doppler spectrum model according to results obtained in the step 3) and the step 4); and 6) subtracting the Doppler frequency shift caused by the movement of the satellite platform and the Doppler
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2) transmitting a pulse signal to the sea surface to obtain sea surface backscattering coefficients and Doppler frequency shifts under different azimuth angles; 3) utilizing a result of the step 1) to invert and obtain sea surface sea wave spectrum information; 4) utilizing back scattering coefficient inversion to obtain sea surface wind field information; 5) estimating Doppler frequency shift caused by a sea surface wind field and sea waves based on a sea surface Doppler spectrum model according to results obtained in the step 3) and the step 4); and 6) subtracting the Doppler frequency shift caused by the movement of the satellite platform and the Doppler</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>2021</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&amp;date=20211102&amp;DB=EPODOC&amp;CC=CN&amp;NR=113589275A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20211102&amp;DB=EPODOC&amp;CC=CN&amp;NR=113589275A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>DONG XIAOLONG</creatorcontrib><creatorcontrib>MIAO YUANJING</creatorcontrib><creatorcontrib>ZHU DI</creatorcontrib><title>Joint observation method for sea surface wind field, sea wave and sea current</title><description>The invention belongs to the technical field of remote sensing, and particularly relates to a joint observation method for sea surface wind field, sea wave and sea current, which comprises the following steps of: 1) transmitting a group of difference frequency pulse signals to a sea surface to obtain different wavelength components of a sea wave spectrum; 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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 Joint observation method for sea surface wind field, sea wave and sea current
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