JPS5520473A - Position measuring unit of moving object - Google Patents
Position measuring unit of moving objectInfo
- Publication number
- JPS5520473A JPS5520473A JP9386778A JP9386778A JPS5520473A JP S5520473 A JPS5520473 A JP S5520473A JP 9386778 A JP9386778 A JP 9386778A JP 9386778 A JP9386778 A JP 9386778A JP S5520473 A JPS5520473 A JP S5520473A
- Authority
- JP
- Japan
- Prior art keywords
- moving object
- navigation receiver
- velocity vector
- measuring unit
- measured
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
PURPOSE: To obtain a position measuring unit which can correct comparatively accurately the intermittent position measurement in a satellite navigation receiver, by utilizing the conventional hyperbolic navigation receiver without requiring an expensive time standard.
CONSTITUTION: The position of a moving object is measured by a hyperbolic navigation receiver, for example, loran receiver 16, and the velocity vector of the moving object is calculated by 22 on a basis of this position measurement. The bearing and the speed obtained from a gyro and a speedmeter respectively are corrected by this velocity vector, and positions of the moving object are continuously estimated in 12 on a basis of the measured position of satellite navigation receiver 11, which is obtained previously, by these corrected bearing and speed. Correction dependent upon the velocity vector is so perfomed that the position dependent upon this estimation operation may agree with the measured position dependent upon the hyperbolic navigation receiver.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9386778A JPS5520473A (en) | 1978-07-31 | 1978-07-31 | Position measuring unit of moving object |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9386778A JPS5520473A (en) | 1978-07-31 | 1978-07-31 | Position measuring unit of moving object |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5520473A true JPS5520473A (en) | 1980-02-13 |
Family
ID=14094391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9386778A Pending JPS5520473A (en) | 1978-07-31 | 1978-07-31 | Position measuring unit of moving object |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5520473A (en) |
-
1978
- 1978-07-31 JP JP9386778A patent/JPS5520473A/en active Pending
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