CN108036777A - Phase center indirect measurement method on satellite - Google Patents
Phase center indirect measurement method on satellite Download PDFInfo
- Publication number
- CN108036777A CN108036777A CN201711009983.5A CN201711009983A CN108036777A CN 108036777 A CN108036777 A CN 108036777A CN 201711009983 A CN201711009983 A CN 201711009983A CN 108036777 A CN108036777 A CN 108036777A
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- satellite
- reference block
- measured object
- coordinate system
- phase center
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The present invention provides phase center indirect measurement method on a kind of satellite, comprise the following steps：Step 1, designs satellite reference block；Step 2, measured object prism are set；Step 3, by measuring measured object prism and reference block relative position relation, determines its phase center absolute position on satellite.The present invention solves satellite body coordinate origin and is not directly used as measuring basis, and the problem that the phase center of the measured object satellite measured object phase center that also directly can not measure or touch measures indirectly, technique are simple and easy to operate.
Description
Technical field
The present invention relates to a kind of measuring method of satellite, and in particular, to the phase center side of measurement indirectly on a kind of satellite
Method.
Background technology
It is diversion formation for double star,, generally can be right to meet certain altimetry precision requirement in the case where height mode is surveyed in its interference
The measurement accuracy of Inter-satellite Baseline proposes higher requirement.In order to meet high-precision base line measurement demand, further requirement is defended
Star can will accurately obtain the absolute position of payload and gps antenna phase center under satellite body coordinate system.A however, side
Face, satellite body coordinate origin are located at satellite and the rocket parting surface center, are imaginary point spatially, not directly as measuring basis；
On the other hand, the phase center of the measured object such as payload and gps antenna is usually located at measured object body interior, also can not be direct
Measure or touch.In such cases, it is necessary to which, by specific process, measurement indirectly obtains the phase center of measured object, most directly
It is effectively of the present invention by designing satellite reference block and benchmark prism to connect, and sets measured object prism, then pass through survey
Measured object prism and reference block and benchmark prism relative position and angular relationship are measured, determines its phase center absolute position on satellite
The method put.
Currently without the explanation or report for finding technology similar to the present invention, money similar both at home and abroad is also not yet collected into
Material.
The content of the invention
For in the prior art the defects of, the object of the present invention is to provide a kind of side of measurement indirectly of phase center on satellite
Method, which solves satellite body coordinate origin and is not directly used as measuring basis, and the phase center of measured object can not yet
The problem that the satellite measured object phase center for directly measuring or touching measures indirectly, technique are simple and easy to operate.
According to an aspect of the present invention, there is provided, phase center indirect measurement method on a kind of satellite, it is characterised in that
Comprise the following steps：
Step 1, designs satellite reference block；
Step 2, measured object prism are set；
Step 3, by measuring measured object prism and reference block relative position relation, determines its phase center on satellite
Absolute position.
Preferably, the reference block is formed by least one piece, and reference block offer at least three is orthogonal to survey benchmark
Face, each datum level normal of reference block is parallel with satellite body coordinate system, i.e., using reference block geometric center as origin, Yi Geji
Quasi- face normal is parallel and in the same direction with satellite body coordinate system for the reference block local coordinate system that reference axis is established, and benchmark block size
Determine and known；By the design and measurement of reference block, reference block is obtained in the absolute position of satellite body coordinate system, is made with this
To be tested the indirection reference of phase center measurement, avoiding satellite body coordinate system can not directly acquire as Absolute position measurement
The problem of benchmark.
Preferably, the step 3 is using measured object prism geometric center as origin, using each prism mirror normal as coordinate
Under the measured object local coordinate system that axis is established, measured object phase centre location coordinate determines simultaneously known；In addition, measured object prism
Each benchmark mirror normal is parallel with satellite body coordinate system.
Preferably, the step 3 by measuring each parallel with reference block of each datum level in measured object rib border respectively
Relative distance between a datum level, show that the relative position between measured object local coordinate system and reference block local coordinate system is closed
System；Sat further according to coordinate of the known measured object phase center under measured object local coordinate system and reference block in satellite body
The absolute position of system is marked, calculates the absolute position for obtaining phase center under satellite body coordinate system.
Compared with prior art, the present invention has following beneficial effect：The present invention is most directly effectively by designing base
Quasi- block and measured object prism, then by measuring measured object prism and reference block relative position relation, determine that its phase center is being defended
The method of absolute position on star.Solve satellite body coordinate origin and be not directly used as measuring basis, and measured object
The problem that the satellite measured object phase center that phase center also directly can not be measured or touched measures indirectly, technique it is simple and
It is easy to operate.
Brief description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the schematic diagram of phase center indirect measurement method on satellite of the present invention.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following embodiments will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
As shown in Figure 1, phase center indirect measurement method comprises the following steps on satellite of the present invention：
Step 1, designs satellite reference block；
Step 2, measured object prism are set；
Step 3, by measuring measured object prism and reference block relative position relation, determines its phase center on satellite
Absolute position.
Reference block is formed by least one piece, and reference block offer at least three is orthogonal to survey datum level, and reference block is each
A datum level normal is parallel with satellite body coordinate system, i.e., using reference block geometric center as origin, using each datum level normal as
The reference block local coordinate system that reference axis is established is parallel and in the same direction with satellite body coordinate system, and benchmark block size determines and
Know；By the design and measurement of reference block, reference block is obtained in the absolute position of satellite body coordinate system, in this, as tested phase
The indirection reference of position center measurement, asking as Absolute position measurement benchmark can not be directly acquired by avoiding satellite body coordinate system
Topic.
The geometric center of measured object prism is determined with measured object phase center spatial relation, i.e., with measured object prism
Geometric center is origin, using each prism mirror normal as under the measured object local coordinate system that reference axis is established, in measured object phase
Heart position coordinates determines simultaneously known；In addition, each benchmark mirror normal of measured object prism is parallel with satellite body coordinate system.
Step 3 by measure respectively each datum level in the measured object rib border each datum level parallel with reference block it
Between relative distance, you can draw the relative position relation between measured object local coordinate system and reference block local coordinate system；Into
One step, further according to coordinate of the known measured object phase center under measured object local coordinate system and reference block in satellite body
The absolute position of coordinate system, can calculate the absolute position for obtaining phase center under satellite body coordinate system.
Since satellite body coordinate origin is located at satellite and the rocket parting surface center, for imaginary point spatially, not directly conduct
Measuring basis；In addition, the phase center of the measured object such as payload and gps antenna is usually located at measured object body interior, also without
Method is directly measured or touched.With reference to reference to figure 1, to solve described problem, phase center is surveyed indirectly on a kind of satellite of the present invention
Amount method, including：The design of satellite reference block；Measured object prism is set；By measuring measured object prism position opposite with reference block
Relation is put, the method for determining its phase center absolute position on satellite.
Satellite reference block 2 provide totally three it is orthogonal survey datum level, be specifically that first can survey datum level 4, second
Datum level the 5, the 3rd, which can be surveyed, can survey datum level 6, and satellite reference block 2 is origin using each datum level normal as coordinate using geometric center point
The reference block local coordinate system that axis is established is 3, and each datum level normal of satellite reference block 2 is parallel with satellite body coordinate system 1, i.e.,
Reference block local coordinate system 3 is parallel and in the same direction with satellite body coordinate system 1, and 2 size of satellite reference block determines and known；Pass through
The design and measurement of satellite reference block 2, obtain satellite reference block 2 in the absolute position of satellite body coordinate system 1, in this, as quilt
Survey the indirection reference that phase center 8 measures.
The geometric center of measured object prism 7 is determined with 8 spatial relation of measured object phase center, i.e., with measured object rib
Mirror geometric center is origin, using each prism mirror normal as under the measured object local coordinate system 9 that reference axis is established, measured object phase
8 position coordinates of center determines simultaneously known；In addition, each benchmark mirror normal of measured object prism 7 is put down with satellite body coordinate system
OK, i.e., measured object local coordinate system 9 is parallel and in the same direction with satellite body coordinate system 1.
According to reference block 2 recited above and measured object prism 7, can further survey calculation measured object phase center 8 exist
Absolute position on satellite, its method characteristic are, measured object is measured respectively using instruments such as laser tracker, three-coordinate instruments
First datum level 10, the second datum level 11, the 3rd datum level 12 in rib border 7 can survey datum level 6, first with the 3rd of reference block 2
Datum level 4, second, which can be surveyed, can survey relative distance between datum level 5, you can draw measured object local coordinate system 9 and reference block 2
Relative position relation between local coordinate system 3；Further, it is local in measured object further according to known measured object phase center 8
Coordinate and reference block 2 under coordinate system 9 can be calculated and obtained in measured object phase in the absolute position of satellite body coordinate system 1
Absolute position of the heart 8 under satellite body coordinate system 1.
In theory, the position data of numerous point can be measured on each datum level of measured object prism, measurement data is more,
Then result is more accurate.
To sum up, it is of the invention by design basis block and measured object prism, then by measuring measured object prism and reference block phase
To position relationship, the method for determining its phase center absolute position on satellite.Solving satellite body coordinate origin can not
Directly as measuring basis, and in the phase center of the measured object satellite measured object phase that also directly can not measure or touch
The problem of measurement is connect in the heart, and technique is simple and easy to operate.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (4)
1. phase center indirect measurement method on a kind of satellite, it is characterised in that comprise the following steps：
Step 1, designs satellite reference block；
Step 2, measured object prism are set；
Step 3, by measuring measured object prism and reference block relative position relation, determines its phase center on satellite definitely
Position.
2. phase center indirect measurement method on satellite according to claim 1, it is characterised in that the reference block is by extremely
Few one piece of composition, reference block offer at least three is orthogonal to survey datum level, each datum level normal of reference block and satellite
Body coordinate system is parallel, i.e., in the reference block using reference block geometric center as origin, established using each datum level normal as reference axis
Local coordinate system is parallel and in the same direction with satellite body coordinate system, and benchmark block size determines and known；Pass through the design of reference block
And measurement, reference block is obtained in the absolute position of satellite body coordinate system, the indirect base measured in this, as tested phase center
Standard, avoids the problem of satellite body coordinate system can not be directly acquired as Absolute position measurement benchmark.
3. phase center indirect measurement method on satellite according to claim 1, it is characterised in that the step 3 with
Measured object prism geometric center is origin, using each prism mirror normal as under the measured object local coordinate system that reference axis is established, quilt
Survey thing phase centre location coordinate determines simultaneously known；In addition, each benchmark mirror normal of measured object prism is sat with satellite body
Mark system is parallel.
4. phase center indirect measurement method on satellite according to claim 1, it is characterised in that the step 3 passes through
Measure the relative distance between each datum level in measured object rib border each datum level parallel with reference block respectively, draw by
Survey the relative position relation between thing local coordinate system and reference block local coordinate system；Further according to known measured object phase center
Coordinate and reference block under measured object local coordinate system are obtained in phase in the absolute position of satellite body coordinate system, calculating
Absolute position of the heart under satellite body coordinate system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711009983.5A CN108036777B (en) | 2017-10-25 | 2017-10-25 | Satellite phase center indirect measurement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711009983.5A CN108036777B (en) | 2017-10-25 | 2017-10-25 | Satellite phase center indirect measurement method |
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| Publication Number | Publication Date |
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| CN108036777A true CN108036777A (en) | 2018-05-15 |
| CN108036777B CN108036777B (en) | 2020-07-24 |
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| CN201711009983.5A Active CN108036777B (en) | 2017-10-25 | 2017-10-25 | Satellite phase center indirect measurement method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251922A (en) * | 2021-05-14 | 2021-08-13 | 中国科学院长春光学精密机械与物理研究所 | Measuring method |
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| DE4210929C1 (en) * | 1992-04-02 | 1993-07-08 | Deutsche Aerospace Ag, 8000 Muenchen, De | |
| JPH1022551A (en) * | 1996-07-02 | 1998-01-23 | Mitsubishi Electric Corp | Solid laser exciting module |
| US7129889B1 (en) * | 2005-10-10 | 2006-10-31 | The Boeing Company | User segment-based lever arm correction via prescribed maneuver for high-accuracy navigation |
| CN102679945A (en) * | 2012-06-05 | 2012-09-19 | 哈尔滨工业大学 | Satellite pointing and attitude measuring method and device based on three-point reflecting cooperation |
| CN106772915A (en) * | 2017-02-20 | 2017-05-31 | 上海卫星装备研究所 | A kind of installation method of satellite benchmark prism |
| CN107121123A (en) * | 2017-05-18 | 2017-09-01 | 上海卫星工程研究所 | Satellite precision unit measuring method |
-
2017
- 2017-10-25 CN CN201711009983.5A patent/CN108036777B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4210929C1 (en) * | 1992-04-02 | 1993-07-08 | Deutsche Aerospace Ag, 8000 Muenchen, De | |
| JPH1022551A (en) * | 1996-07-02 | 1998-01-23 | Mitsubishi Electric Corp | Solid laser exciting module |
| US7129889B1 (en) * | 2005-10-10 | 2006-10-31 | The Boeing Company | User segment-based lever arm correction via prescribed maneuver for high-accuracy navigation |
| CN102679945A (en) * | 2012-06-05 | 2012-09-19 | 哈尔滨工业大学 | Satellite pointing and attitude measuring method and device based on three-point reflecting cooperation |
| CN106772915A (en) * | 2017-02-20 | 2017-05-31 | 上海卫星装备研究所 | A kind of installation method of satellite benchmark prism |
| CN107121123A (en) * | 2017-05-18 | 2017-09-01 | 上海卫星工程研究所 | Satellite precision unit measuring method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113251922A (en) * | 2021-05-14 | 2021-08-13 | 中国科学院长春光学精密机械与物理研究所 | Measuring method |
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| CN108036777B (en) | 2020-07-24 |
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