Satellite-borne microwave scatterometer in-orbit direction icon calibration method based on active calibrator
The invention discloses a satellite-borne microwave scatterometer in-orbit direction icon calibration method based on an active calibrator. The method comprises the following steps: obtaining pitch angles and azimuth angles of wave beams at different moments under a scatterometer antenna system acco...
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| creator | TIAN DONGXUAN LYU AILING XUE SHIYU JIN AXIN LIU LIXIA LIU SHUBO JIN ANZHONG SHI HAOQIANG WANG XIAONING KIM WOOK |
| description | The invention discloses a satellite-borne microwave scatterometer in-orbit direction icon calibration method based on an active calibrator. The method comprises the following steps: obtaining pitch angles and azimuth angles of wave beams at different moments under a scatterometer antenna system according to position information of the active calibrator; according to the pointing information and the position information of the active scaler, pitch angles and azimuth angles of wave beams at different moments under an active scaler antenna system are obtained; according to the power signal received by the active scaler and the pitch angle and the azimuth angle of the wave beam at different moments under the active scaler antenna system, the data receiving power of the active scaler at different moments is obtained; and obtaining an antenna pattern of the scatterometer according to the received data power of the active scaler at different moments. According to the method, directional diagram calibration under rap |
| format | Patent |
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The method comprises the following steps: obtaining pitch angles and azimuth angles of wave beams at different moments under a scatterometer antenna system according to position information of the active calibrator; according to the pointing information and the position information of the active scaler, pitch angles and azimuth angles of wave beams at different moments under an active scaler antenna system are obtained; according to the power signal received by the active scaler and the pitch angle and the azimuth angle of the wave beam at different moments under the active scaler antenna system, the data receiving power of the active scaler at different moments is obtained; and obtaining an antenna pattern of the scatterometer according to the received data power of the active scaler at different moments. According to the method, directional diagram calibration under rap</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>2023</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=20230630&DB=EPODOC&CC=CN&NR=116359860A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230630&DB=EPODOC&CC=CN&NR=116359860A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TIAN DONGXUAN</creatorcontrib><creatorcontrib>LYU AILING</creatorcontrib><creatorcontrib>XUE SHIYU</creatorcontrib><creatorcontrib>JIN AXIN</creatorcontrib><creatorcontrib>LIU LIXIA</creatorcontrib><creatorcontrib>LIU SHUBO</creatorcontrib><creatorcontrib>JIN ANZHONG</creatorcontrib><creatorcontrib>SHI HAOQIANG</creatorcontrib><creatorcontrib>WANG XIAONING</creatorcontrib><creatorcontrib>KIM WOOK</creatorcontrib><title>Satellite-borne microwave scatterometer in-orbit direction icon calibration method based on active calibrator</title><description>The invention discloses a satellite-borne microwave scatterometer in-orbit direction icon calibration method based on an active calibrator. The method comprises the following steps: obtaining pitch angles and azimuth angles of wave beams at different moments under a scatterometer antenna system according to position information of the active calibrator; according to the pointing information and the position information of the active scaler, pitch angles and azimuth angles of wave beams at different moments under an active scaler antenna system are obtained; according to the power signal received by the active scaler and the pitch angle and the azimuth angle of the wave beam at different moments under the active scaler antenna system, the data receiving power of the active scaler at different moments is obtained; and obtaining an antenna pattern of the scatterometer according to the received data power of the active scaler at different moments. 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The method comprises the following steps: obtaining pitch angles and azimuth angles of wave beams at different moments under a scatterometer antenna system according to position information of the active calibrator; according to the pointing information and the position information of the active scaler, pitch angles and azimuth angles of wave beams at different moments under an active scaler antenna system are obtained; according to the power signal received by the active scaler and the pitch angle and the azimuth angle of the wave beam at different moments under the active scaler antenna system, the data receiving power of the active scaler at different moments is obtained; and obtaining an antenna pattern of the scatterometer according to the received data power of the active scaler at different moments. According to the method, directional diagram calibration under rap</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 | Satellite-borne microwave scatterometer in-orbit direction icon calibration method based on active calibrator |
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