CN115291257A - Geographic coordinate calculation method adopting Beidou grid position coding - Google Patents
Geographic coordinate calculation method adopting Beidou grid position coding Download PDFInfo
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- CN115291257A CN115291257A CN202210934607.1A CN202210934607A CN115291257A CN 115291257 A CN115291257 A CN 115291257A CN 202210934607 A CN202210934607 A CN 202210934607A CN 115291257 A CN115291257 A CN 115291257A
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- 238000004364 calculation method Methods 0.000 title claims description 4
- 238000009432 framing Methods 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000000007 visual effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- JIPVGERXYWGOOY-UHFFFAOYSA-N (2-methoxyphenyl) pentanoate Chemical compound CCCCC(=O)OC1=CC=CC=C1OC JIPVGERXYWGOOY-UHFFFAOYSA-N 0.000 description 20
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention discloses a geographic coordinate calculating method adopting Beidou grid position codes, which is characterized in that the mathematical relationship between the Beidou grid position codes and longitude and latitude is determined according to the description of the national standard Beidou grid position codes (GB/T394092020) on narrow-sense Beidou grid position codes; the characteristics of high mathematical operation speed and high reliability of a computer are utilized, and the python language is utilized to describe the mathematical relationship between the Beidou grid position code and the longitude and latitude, so that the narrow Beidou grid position code is calculated.
Description
Technical Field
The invention belongs to the field of geographic coordinate information calculation, and particularly relates to a geographic coordinate calculating method adopting Beidou grid position coding.
Background
The Beidou satellite navigation system is a global satellite navigation system which is autonomously built and operated by paying attention to the development requirements of national security and economic society in China, and is a national important space-time infrastructure for providing all-weather, all-time and high-precision positioning navigation time service for global users. The building and application of the Beidou system provides a foundation for the development of related technologies and industries, and the Beidou grid code is one of the Beidou grid codes. The method for resolving the geographic coordinates of the Beidou grid position codes and the optimization expression form are simplified, so that the Beidou grid codes can be better utilized and popularized.
Disclosure of Invention
The invention aims to: the invention provides a geographic coordinate calculating method for simplifying Beidou grid position codes and an expression form for optimizing Beidou grid codes.
The technical scheme is as follows: a method for calculating the flying time and shooting range of a satellite comprises the following steps:
And 2, dividing a grid of 1 degree 6 degrees multiplied by 4 degrees into 6 multiplied by 4 grids from the lower left corner (northeast hemisphere), wherein one direction is represented by A to X, and the grid is equivalent to a grid of 1 degree multiplied by 1 degree on the 9 th layer of the GeoSOT and is equivalent to a grid of 128km multiplied by 128 km.
And 3, dividing the GeoSOT grid with the angle of 1 degree multiplied by 1 degree into 4 multiplied by 6 grids, wherein one direction is respectively expressed by A to P, and the grid is equivalent to a grid with the angle of 15 'multiplied by 10' of a map width of 1.
And 4, dividing a 15'× 10' grid of a 1.
And 5, dividing a 15 layer 1 multiplied by 1' grid of the GeoSOT into 15 multiplied by 15 grids from the lower left corner (northeast hemisphere), wherein one direction is respectively represented by 0 to E, and the grid is equivalent to a 19 layer 4' × 4' grid of the GeoSOT and is equivalent to a 128m multiplied by 128m grid.
And step 6, dividing the 19 th layer 4'× 4' grid of the GeoSOT into 2 × 2 grids from the lower left corner (northeast hemisphere), wherein one direction is respectively represented by 0-3, and the grids are equivalent to 2 '× 2' grids of the 20 th layer of the GeoSOT and 64 × 64M grids.
And 7, dividing a 2 '× 2' grid of the 20 th layer of the GeoSOT into 8 × 8 grids from the lower left corner (northeast hemisphere), wherein the two directions are respectively represented by 0-7, and the two directions are equivalent to 1/4 '× 1/4' of the 23 th layer of the GeoSOT and are equivalent to 8m × 8m grids.
And 8, dividing a 1/4 multiplied by 1/4 grid of the 23 th layer of the GeoSOT into 8 multiplied by 8 grids from the lower left corner (northeast hemisphere), wherein the two directions are respectively represented by 0 to 7 and are equivalent to 1/32 multiplied by 1/32 of the 26 th layer of the GeoSOT and are equivalent to 1 multiplied by 1m grid.
Drawings
FIG. 1 is a schematic diagram of an L3-L7-level two-dimensional Beidou position code;
FIG. 2 is a schematic diagram of an L3-L7 level three-dimensional Beidou position code;
FIG. 3 is a program screenshot of converting longitude and latitude to Beidou grid codes;
Detailed Description
The invention is further elucidated with reference to the drawings and the detailed description.
As shown in fig. 1 to 3, a method for calculating the approaching time and the shooting range of a satellite includes the following steps:
And 2, dividing a grid of 1 degree 6 degrees multiplied by 4 degrees into 6 multiplied by 4 grids from the lower left corner (northeast hemisphere), wherein one direction is represented by A to X, and the grid is equivalent to a grid of 1 degree multiplied by 1 degree on the 9 th layer of the GeoSOT and is equivalent to a grid of 128km multiplied by 128 km. And converting the longitude and latitude of the third graph into the Beidou grid code program, then modeling grids, and respectively displaying in two three dimensions.
And 3, dividing the GeoSOT grid with the angle of 1 degree multiplied by 1 degree into 4 multiplied by 6 grids, wherein one direction is respectively expressed by A to P, and the grid is equivalent to a grid with the angle of 15 'multiplied by 10' of a map width of 1. And converting the longitude and latitude of the third graph into the Beidou grid code program, then modeling grids, and respectively displaying in two three dimensions.
And 4, dividing a 15'× 10' grid of a 1. And converting the longitude and latitude of the third graph into the Beidou grid code program, then modeling grids, and respectively displaying in two three dimensions.
And 5, dividing the 15 th layer 1 multiplied by 1' grid of the GeoSOT into 15 multiplied by 15 grids from the lower left corner (northeast hemisphere), wherein one direction is respectively represented by 0 to E, and the grid is equivalent to a 19 th layer 4 '. Times.4 ' grid of the GeoSOT and is equivalent to a 128m multiplied by 128m grid. And converting the longitude and latitude of the third graph into the Beidou grid code program, then modeling grids, and respectively displaying in two three dimensions.
And 6, dividing the 19 th layer 4'× 4' grid of the GeoSOT into 2 × 2 grids from the lower left corner (northeast hemisphere), wherein one direction is respectively represented by 0-3, and the grid is equivalent to the 2 '× 2' grid of the 20 th layer of the GeoSOT and is equivalent to a 64m × 64m grid. And converting the longitude and latitude of the third graph into the Beidou grid code program, then modeling grids, and respectively displaying in two three dimensions.
And 7, dividing a 2 '× 2' grid of the 20 th layer of the GeoSOT into 8 × 8 grids from the lower left corner (northeast hemisphere), wherein the two directions are respectively represented by 0-7, and the two directions are equivalent to 1/4 '× 1/4' of the 23 th layer of the GeoSOT and are equivalent to 8m × 8m grids. And converting the longitude and latitude of the third graph into the Beidou grid code program, then modeling grids, and respectively displaying in two three dimensions.
And 8, dividing a 1/4 multiplied by 1/4 grid of the 23 th layer of the GeoSOT into 8 multiplied by 8 grids from the lower left corner (northeast hemisphere), wherein the two directions are respectively represented by 0 to 7 and are equivalent to 1/32 multiplied by 1/32 of the 26 th layer of the GeoSOT and are equivalent to 1 multiplied by 1m grid. And converting the longitude and latitude of the third graph into the Beidou grid code program, then modeling grids, and respectively displaying in two three dimensions.
Claims (1)
1. A geographic coordinate calculation method adopting Beidou grid position coding is characterized by comprising the following steps:
step 1, determining 2000 definition of a national geodetic coordinate system and a reference ellipsoid constant according to the regulation about geodetic datum in GB 22021-2008 'national geodetic basic technical regulation';
step 2, determining the framing and the numbering of the national basic scale topographic map of China according to GB/T13989-2012 'national basic scale topographic map framing and numbering';
and 3, describing the relation between the Beidou grid position codes and the longitude and latitude by using a computer compiling language according to the national standard, and realizing the mutual conversion between the longitude and latitude and the Beidou grid position codes.
And 4, performing visual representation by using the obtained Beidou grid position code. And the Beidou position grid information is visually represented by using a three-dimensional modeling mode.
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| CN202210934607.1A CN115291257A (en) | 2022-08-04 | 2022-08-04 | Geographic coordinate calculation method adopting Beidou grid position coding |
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|---|---|---|---|
| CN202210934607.1A CN115291257A (en) | 2022-08-04 | 2022-08-04 | Geographic coordinate calculation method adopting Beidou grid position coding |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113115229A (en) * | 2021-02-24 | 2021-07-13 | 福建德正智能有限公司 | Personnel trajectory tracking method and system based on Beidou grid code |
| CN113179489A (en) * | 2021-04-09 | 2021-07-27 | 广州爱浦路网络技术有限公司 | Satellite terminal access management method, core network, computer device, and storage medium |
| CN114022648A (en) * | 2021-11-05 | 2022-02-08 | 深圳航天智慧城市系统技术研究院有限公司 | Space analysis method and system based on Beidou grid code and three-dimensional engine |
| CN114048271A (en) * | 2021-09-28 | 2022-02-15 | 中科星图股份有限公司 | Storage method and device of Beidou grid data model in database |
-
2022
- 2022-08-04 CN CN202210934607.1A patent/CN115291257A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113115229A (en) * | 2021-02-24 | 2021-07-13 | 福建德正智能有限公司 | Personnel trajectory tracking method and system based on Beidou grid code |
| CN113179489A (en) * | 2021-04-09 | 2021-07-27 | 广州爱浦路网络技术有限公司 | Satellite terminal access management method, core network, computer device, and storage medium |
| CN114048271A (en) * | 2021-09-28 | 2022-02-15 | 中科星图股份有限公司 | Storage method and device of Beidou grid data model in database |
| CN114022648A (en) * | 2021-11-05 | 2022-02-08 | 深圳航天智慧城市系统技术研究院有限公司 | Space analysis method and system based on Beidou grid code and three-dimensional engine |
Non-Patent Citations (1)
| Title |
|---|
| 吴丙贵: "基于北斗网格码的航道要素编码初探", 《中华建设》 * |
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