Modeling Method of high precision projectile oblique incidence passive acoustic positioning model
The invention discloses a modeling method of a high precision projectile oblique incidence passive acoustic positioning model. Based on a projectile shock wave real propagation path, the high precision projectile oblique incidence passive acoustic positioning model based on double-triangle array is...
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| creator | LIN YIXUE JI HAN SHAO XI'AN LI DAHAI DI CHANG'AN LONG LI CHEN HAOFEI |
| description | The invention discloses a modeling method of a high precision projectile oblique incidence passive acoustic positioning model. Based on a projectile shock wave real propagation path, the high precision projectile oblique incidence passive acoustic positioning model based on double-triangle array is established. The method comprises the following steps of firstly, establishing a rectangular coordinate system O-XYZ; laying six microphones on an XOY plane in the O-XYZ coordinate system to form a double-triangle array target surface, then, a projectile carries out oblique incidence and passes through the double-triangle array target surface; according to a real shock wave propagation path, acquiring the mathematical relationship among the pitch angle theta of the projectile oblique incidence,a yaw angle psi, a fall point coordinate P(x, y, 0), and a time difference value for a projectile shock wave to reach to the six different microphones, and acquiring the high precision projectile oblique incidence passive aco |
| format | Patent |
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Based on a projectile shock wave real propagation path, the high precision projectile oblique incidence passive acoustic positioning model based on double-triangle array is established. The method comprises the following steps of firstly, establishing a rectangular coordinate system O-XYZ; laying six microphones on an XOY plane in the O-XYZ coordinate system to form a double-triangle array target surface, then, a projectile carries out oblique incidence and passes through the double-triangle array target surface; according to a real shock wave propagation path, acquiring the mathematical relationship among the pitch angle theta of the projectile oblique incidence,a yaw angle psi, a fall point coordinate P(x, y, 0), and a time difference value for a projectile shock wave to reach to the six different microphones, and acquiring the high precision projectile oblique incidence passive aco</description><language>chi ; eng</language><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; CALCULATING ; COMPUTING ; COUNTING ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; ELECTRIC DIGITAL DATA PROCESSING ; 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=20180622&DB=EPODOC&CC=CN&NR=108196226A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76302</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180622&DB=EPODOC&CC=CN&NR=108196226A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LIN YIXUE</creatorcontrib><creatorcontrib>JI HAN</creatorcontrib><creatorcontrib>SHAO XI'AN</creatorcontrib><creatorcontrib>LI DAHAI</creatorcontrib><creatorcontrib>DI CHANG'AN</creatorcontrib><creatorcontrib>LONG LI</creatorcontrib><creatorcontrib>CHEN HAOFEI</creatorcontrib><title>Modeling Method of high precision projectile oblique incidence passive acoustic positioning model</title><description>The invention discloses a modeling method of a high precision projectile oblique incidence passive acoustic positioning model. 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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES CALCULATING COMPUTING COUNTING DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRIC DIGITAL DATA PROCESSING LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING |
| title | Modeling Method of high precision projectile oblique incidence passive acoustic positioning model |
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