Rapid testing method for agile transmitting beam based on calibration link
The invention discloses a rapid testing method for an agile transmitted beam based on a calibration link. According to the invention, a set of amplitude-phase high-precision internal calibration network is established based on the internal calibration link characteristics of the space-based radar, a...
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| creator | JI YALONG XU YIFAN HONG YU HUANG ZUZHEN LIU AIFANG ZHU FUGUO |
| description | The invention discloses a rapid testing method for an agile transmitted beam based on a calibration link. According to the invention, a set of amplitude-phase high-precision internal calibration network is established based on the internal calibration link characteristics of the space-based radar, and a wave beam agility signal is directly sent to a receiver in a manner that the coupling port of an internal calibration-antenna is independently cascaded with the receiving port of the receiver, so that the information of an agility emission wave beam is directly obtained. An antenna radiation synthesis mode is replaced by a wave beam internal calibration synthesis mode, while a certain precision measurement result of a wave beam is ensured, ground efficient testing of an agile emission wave beam is realized by performing intra-pulse time-frequency analysis on an internal calibration signal of a radar product and combining with a normal amplitude-phase characteristic corresponding to an antenna theory direction; |
| format | Patent |
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According to the invention, a set of amplitude-phase high-precision internal calibration network is established based on the internal calibration link characteristics of the space-based radar, and a wave beam agility signal is directly sent to a receiver in a manner that the coupling port of an internal calibration-antenna is independently cascaded with the receiving port of the receiver, so that the information of an agility emission wave beam is directly obtained. An antenna radiation synthesis mode is replaced by a wave beam internal calibration synthesis mode, while a certain precision measurement result of a wave beam is ensured, ground efficient testing of an agile emission wave beam is realized by performing intra-pulse time-frequency analysis on an internal calibration signal of a radar product and combining with a normal amplitude-phase characteristic corresponding to an antenna theory direction;</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>2024</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=20240625&DB=EPODOC&CC=CN&NR=118244217A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240625&DB=EPODOC&CC=CN&NR=118244217A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>JI YALONG</creatorcontrib><creatorcontrib>XU YIFAN</creatorcontrib><creatorcontrib>HONG YU</creatorcontrib><creatorcontrib>HUANG ZUZHEN</creatorcontrib><creatorcontrib>LIU AIFANG</creatorcontrib><creatorcontrib>ZHU FUGUO</creatorcontrib><title>Rapid testing method for agile transmitting beam based on calibration link</title><description>The invention discloses a rapid testing method for an agile transmitted beam based on a calibration link. According to the invention, a set of amplitude-phase high-precision internal calibration network is established based on the internal calibration link characteristics of the space-based radar, and a wave beam agility signal is directly sent to a receiver in a manner that the coupling port of an internal calibration-antenna is independently cascaded with the receiving port of the receiver, so that the information of an agility emission wave beam is directly obtained. 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According to the invention, a set of amplitude-phase high-precision internal calibration network is established based on the internal calibration link characteristics of the space-based radar, and a wave beam agility signal is directly sent to a receiver in a manner that the coupling port of an internal calibration-antenna is independently cascaded with the receiving port of the receiver, so that the information of an agility emission wave beam is directly obtained. An antenna radiation synthesis mode is replaced by a wave beam internal calibration synthesis mode, while a certain precision measurement result of a wave beam is ensured, ground efficient testing of an agile emission wave beam is realized by performing intra-pulse time-frequency analysis on an internal calibration signal of a radar product and combining with a normal amplitude-phase characteristic corresponding to an antenna theory direction;</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 | Rapid testing method for agile transmitting beam based on calibration link |
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