MEASUREMENT OF REFRACTIVE INDEX OF ACTUAL SKY DUE TO CONVERSION OF ACTUAL SKY TO VIRTUAL SKY
PROBLEM TO BE SOLVED: To achieve a kinematic processing by obtaining the three-dimensional position of an object with a measurement density being at mm order or less and drastically reducing a measurement time. SOLUTION: When the actual position of a satellite is set to a point P and the apparent po...
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| creator | KAWAMATA KENICHI |
| description | PROBLEM TO BE SOLVED: To achieve a kinematic processing by obtaining the three-dimensional position of an object with a measurement density being at mm order or less and drastically reducing a measurement time. SOLUTION: When the actual position of a satellite is set to a point P and the apparent position is set to a point P1 , the point P1 can be obtained within a radius range of 30 to 200 m with the point P as a center. In this manner, when the two points P and P1 are close together, the position of the point P can be obtained with the point P1 as a reference. The reference includes a microwave propagation time between the point P1 and an observation point A, the total of the refractive index of a microwave path P1A, and a critical incidence angle with assuming that a microwave radiation source exists at the measurement point P1 . A concept of check point table is introduced to accurately obtain them. |
| format | Patent |
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SOLUTION: When the actual position of a satellite is set to a point P and the apparent position is set to a point P1 , the point P1 can be obtained within a radius range of 30 to 200 m with the point P as a center. In this manner, when the two points P and P1 are close together, the position of the point P can be obtained with the point P1 as a reference. The reference includes a microwave propagation time between the point P1 and an observation point A, the total of the refractive index of a microwave path P1A, and a critical incidence angle with assuming that a microwave radiation source exists at the measurement point P1 . A concept of check point table is introduced to accurately obtain them.</description><edition>6</edition><language>eng</language><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; DETECTING MASSES OR OBJECTS ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; GEOPHYSICS ; GRAVITATIONAL MEASUREMENTS ; GYROSCOPIC INSTRUMENTS ; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; 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>1998</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=19981009&DB=EPODOC&CC=JP&NR=H10268028A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25546,76297</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19981009&DB=EPODOC&CC=JP&NR=H10268028A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KAWAMATA KENICHI</creatorcontrib><title>MEASUREMENT OF REFRACTIVE INDEX OF ACTUAL SKY DUE TO CONVERSION OF ACTUAL SKY TO VIRTUAL SKY</title><description>PROBLEM TO BE SOLVED: To achieve a kinematic processing by obtaining the three-dimensional position of an object with a measurement density being at mm order or less and drastically reducing a measurement time. SOLUTION: When the actual position of a satellite is set to a point P and the apparent position is set to a point P1 , the point P1 can be obtained within a radius range of 30 to 200 m with the point P as a center. In this manner, when the two points P and P1 are close together, the position of the point P can be obtained with the point P1 as a reference. The reference includes a microwave propagation time between the point P1 and an observation point A, the total of the refractive index of a microwave path P1A, and a critical incidence angle with assuming that a microwave radiation source exists at the measurement point P1 . 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SOLUTION: When the actual position of a satellite is set to a point P and the apparent position is set to a point P1 , the point P1 can be obtained within a radius range of 30 to 200 m with the point P as a center. In this manner, when the two points P and P1 are close together, the position of the point P can be obtained with the point P1 as a reference. The reference includes a microwave propagation time between the point P1 and an observation point A, the total of the refractive index of a microwave path P1A, and a critical incidence angle with assuming that a microwave radiation source exists at the measurement point P1 . A concept of check point table is introduced to accurately obtain them.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETECTING MASSES OR OBJECTS DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES GEOPHYSICS GRAVITATIONAL MEASUREMENTS GYROSCOPIC INSTRUMENTS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES 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 | MEASUREMENT OF REFRACTIVE INDEX OF ACTUAL SKY DUE TO CONVERSION OF ACTUAL SKY TO VIRTUAL SKY |
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