CN117007020A - Antenna space pose measuring device and method based on photogrammetry - Google Patents
Antenna space pose measuring device and method based on photogrammetry Download PDFInfo
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- CN117007020A CN117007020A CN202310984460.1A CN202310984460A CN117007020A CN 117007020 A CN117007020 A CN 117007020A CN 202310984460 A CN202310984460 A CN 202310984460A CN 117007020 A CN117007020 A CN 117007020A
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- unloading
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000005259 measurement Methods 0.000 claims abstract description 33
- 230000005484 gravity Effects 0.000 claims description 12
- 238000007665 sagging Methods 0.000 claims description 3
- 238000000691 measurement method Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000003384 imaging method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 240000004282 Grewia occidentalis Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/02—Picture taking arrangements specially adapted for photogrammetry or photographic surveying, e.g. controlling overlapping of pictures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/04—Interpretation of pictures
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- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention provides an antenna space pose measuring device and method based on photogrammetry, wherein an antenna is fixedly arranged on a fixed module, and a rotating shaft plumb of the antenna is enabled to be provided with a rotating shaft plumb; the rectangular sliding rail of the unloading module is supported by the supporting frame, so that the rectangular sliding rail is arranged above the antenna; the two ends of the adjusting shafts of the unloading module are respectively arranged on two opposite sides of the rectangular sliding rail through the first sliding blocks, the two adjusting shafts are intersected and slide relatively to each other through the second sliding blocks, and the unloading rope is arranged at the intersection of the two adjusting shafts; the photogrammetry module comprises at least two shooting units, wherein the two shooting units are arranged on the rectangular sliding rail or the supporting frame and are used for collecting target points of the antenna. The invention has the advantages that the measurement precision is higher through the angle and height-adjustable camera equipment; through the two crossed adjusting shafts, the position of the unloading rope in the space can be changed at will, and the measuring process is more convenient and efficient.
Description
Technical Field
The invention relates to the technical field of antenna unloading technology and antenna space position measurement, in particular to an antenna space pose measurement device and method based on photogrammetry.
Background
With the gradual consumption of low-frequency communication frequency band resources, the communication frequency of the spacecraft gradually develops to Q/V. The high frequencies place higher demands on the accuracy of the assembly of the satellite communication subsystem. The current load AIT has the assembly measurement precision requirement of 0.03mm and 0.03 degrees, and the measurement precision of a common theodolite measurement system is about 0.05mm, so that the requirements cannot be met.
The working state of the theodolite measuring system in the ground AIT (spacecraft assembly integrated test) is shown in figures 1-2, at least three theodolites are used for establishing the measuring system, the theodolites are manually operated to aim at the edges of the corresponding calibration holes according to the appointed sequence, and the center coordinates of the holes to be measured are obtained by averaging the two trimming results.
The traditional theodolite system-based measurement method has the following defects along with the increase of measurement accuracy:
1) The theoretical measurement accuracy upper limit of the theodolite measurement system is 0.05mm, the AIT displacement deviation of the current spacecraft is required to be 0.03mm, and the theodolite system is difficult to solve the new high-accuracy measurement requirement;
2) The hole cutting precision and the matching degree of operators in the measuring process of the theodolite system directly influence the measuring result;
3) In the cooperative use process of the existing independent unloading tool and the theodolite measurement system, the problem of shielding exists, the theodolite system cannot measure all points at one time of station establishment, and the station establishment is needed to be carried out again by adjusting the positions for a plurality of times.
Disclosure of Invention
In order to overcome the technical defects, the invention aims to provide an antenna space pose measuring device and method based on photogrammetry, which are convenient to measure and high in measuring precision.
The invention discloses an antenna space pose measuring device based on photogrammetry, which is based on the unloading process of an antenna; the antenna space pose measuring device comprises a fixing module, an unloading module and a photogrammetry module, wherein the antenna is fixedly arranged on the fixing module, and a rotating shaft plumb of the antenna is enabled; the unloading module comprises a rectangular sliding rail, two adjusting shafts, an unloading rope and a fixed pulley, wherein the rectangular sliding rail is supported by a supporting frame, so that the rectangular sliding rail is arranged above the antenna; the two ends of the adjusting shafts are respectively arranged on the two opposite sides of the rectangular sliding rail through first sliding blocks so as to slide on the two opposite sides of the rectangular sliding rail, the two adjusting shafts are orthogonal and slide relatively with each other through second sliding blocks, and the unloading rope is arranged on the second sliding blocks so as to be arranged at the intersection of the two adjusting shafts; one end of the unloading rope is connected with the reflector of the antenna, the other end of the unloading rope is connected with the fixed pulley, and a counterweight is arranged on the unloading rope and used for counteracting the gravity of the antenna; sliding the two adjusting shafts so as to change the position of the unloading rope, and adjusting the lengths of the two ends of the unloading rope through the fixed pulleys so as to realize the unloading of the antenna; the photogrammetry module comprises at least two camera shooting units, wherein the two camera shooting units are arranged on the rectangular sliding rail or the supporting frame and used for collecting target points of the antenna.
Preferably, the photogrammetry module comprises three camera units, and at least two of the three camera units can acquire target points of the antenna at the same time.
Preferably, the photogrammetry module further comprises a height adjusting module, the height adjusting module comprises a screw and a motor, the camera shooting unit is fixedly connected with the screw, and the motor drives the screw to rotate, so that the height of the camera shooting unit relative to the rectangular sliding rail is adjusted.
Preferably, the camera unit is arranged on a rack, and the rack is connected with the screw rod and can rotate up and down relative to the screw rod, so that the up and down shooting angle of the camera unit relative to the antenna is adjustable.
Preferably, the support frame is a four-corner support frame, the support frame comprises four support columns, and the four support columns are respectively arranged at four corners of the rectangular slide rail; the bottoms of two adjacent support columns are connected through a connecting column, the rectangular sliding rail, four support columns and four connecting columns form a cube, and the fixing module is arranged in the cube.
Preferably, the fixing module is fixedly connected with one of the four connecting columns.
Preferably, the fixing module is a triangle column, and the triangle column comprises three sides where three sides of a triangle are located; one surface of the water tank is parallel to the ground and is defined as a bottom surface; one of the other two surfaces, which is far away from the supporting frame, is provided with a supporting plate, and the antenna is arranged on the supporting plate.
Preferably, the angle between the other two surfaces except the bottom surface of the triangular prism is adjustable, so that the pose of the antenna arranged on one surface is adjustable.
Preferably, the antenna comprises a base part, a rotating shaft and a main reflector, wherein one end of the rotating shaft is connected with the base part, and the other end of the rotating shaft is connected with the reflector; the base part is arranged on the supporting plate of the fixed module.
The invention also discloses an antenna space pose measuring method based on photogrammetry, which is based on the antenna space pose measuring device and comprises the following steps: adjusting the fixed module such that the rotational axis of the antenna is horizontal; the two adjusting shafts are adjusted, so that one end of the unloading rope corresponds to the gravity center of the reflector of the antenna in a natural sagging state; and adjusting the height and angle of the photogrammetry module so that at least two camera units can acquire target points of the antenna at the same time.
After the technical scheme is adopted, compared with the prior art, the method has the following beneficial effects:
1. the measurement precision is higher through the angle and height-adjustable camera equipment, and the conventional 0.03mm requirement is met;
2. the unloading module is arranged to be the two intersected adjusting shafts, so that the position of an unloading rope in space can be changed at will, the problem that the unloading equipment and a theodolite system are blocked by each other in the existing measuring method can be avoided, and the measuring process is more convenient and efficient; and personnel can be prevented from entering the measuring loop, and the stability of a measuring result is ensured.
Drawings
FIG. 1 is a schematic diagram of a theodolite measurement system of the prior art;
FIG. 2 is a schematic diagram of the measurement principle of a theodolite measurement system of the prior art;
fig. 3 is a schematic structural diagram of an antenna space pose measurement device based on photogrammetry provided by the invention;
FIG. 4 is a schematic structural diagram of the fixing module, the unloading module and the photogrammetry module according to the present invention;
fig. 5 is a schematic structural diagram of the unloading module according to the present invention;
FIG. 6 is a schematic structural diagram of the photogrammetry module according to the present invention;
fig. 7 is a schematic structural diagram of an antenna according to the present invention.
Wherein: the device comprises a 1-fixing module, a 2-unloading module, a 3-photogrammetry module, a 4-supporting plate, a 5-rectangular sliding rail, a 6-adjusting shaft, a 7-first sliding block, an 8-second sliding block, a 9-unloading rope, a 10-counterweight, an 11-lead screw, a 12-motor, a 13-camera unit, a 14-reflector, a 15-rotating shaft and a 16-base part.
Detailed Description
Advantages of the invention are further illustrated in the following description, taken in conjunction with the accompanying drawings and detailed description.
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used in this disclosure to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.
In the following description, suffixes such as "module", "component", or "unit" for representing elements are used only for facilitating the description of the present invention, and are not of specific significance per se. Thus, "module" and "component" may be used in combination.
Referring to fig. 3-7, the invention discloses an antenna space pose measurement device based on photogrammetry, because the working environment of a satellite-borne product (such as an antenna) is a gravity-free environment, the antenna is in a gravity-free state by being tied at the gravity center of the antenna product and matched with a proper counterweight 10 to counteract the influence of gravity, the space gravity-free on-orbit environment is simulated, and then the space pose of the antenna can be measured, so the invention needs an unloading process based on the antenna.
The antenna space pose measuring device comprises a fixing module 1, an unloading module 2 and a photogrammetry module 3.
The fixing module 1 is used for fixing the antenna, so that the space pose of the antenna in the measuring process is kept stable. Wherein the rotation axis 15 of the antenna needs to be plumbed during the measurement, and further during the unloading of the antenna. The spatial pose of "the rotation axis 15 of the antenna is horizontal" herein is an antenna pose used in the present invention. In fact, in other cases, the antenna pose may be such that the rotation axis 15 is horizontal.
The unloading module 2 is used for performing a gravity unloading process of the antenna. Specifically, the unloading module 2 comprises a rectangular sliding rail 5, two adjusting shafts 6, an unloading rope 9 and a fixed pulley, wherein the rectangular sliding rail 5 is supported by a supporting frame, so that the rectangular sliding rail 5 is arranged above an antenna, and the antenna is convenient to be unloaded by gravity.
The two ends of the adjusting shaft 6 are respectively arranged on two opposite sides of the rectangular sliding rail 5 through the first sliding blocks 7 so as to slide on the two opposite sides of the rectangular sliding rail 5, the two adjusting shafts 6 are orthogonal and slide relatively with each other through the second sliding blocks 8, and the unloading rope 9 is arranged on the second sliding blocks 8 so as to be arranged at the intersection of the two adjusting shafts 6. By sliding the two adjusting shafts 6 on the rectangular slide rail 5, the intersection point between the two adjusting shafts 6 can be changed, and thus the position of the unloading rope 9 can be changed.
Preferably, the first slider 7 is a common single-layer slider, i.e. the slider comprises a through hole, through which the slider is sleeved on the slide rail, and the slider is fixedly connected with the end of the adjusting shaft 6. The slide slides on the slide rail, so that the adjusting shaft 6 slides on the rectangular slide rail 5. The second slider 8 is provided with two through holes, one through hole is sleeved on one adjusting shaft 6, the other through hole is sleeved on the other adjusting shaft 6, the directions of the two through holes are perpendicular, and each through hole is consistent with the directions of the first sliders 7 at two ends of the adjusting shaft 6 sleeved by the through holes. The two adjusting shafts 6 are slid so as to change the position of the intersection of the two adjusting shafts 6, and since the unloading rope 9 is provided at the intersection, the position of the unloading rope 9 can be changed.
One end of the unloading rope 9 is connected with the reflector 14 of the antenna, and the other end is connected with a fixed pulley, and the fixed pulley is used for converting the direction of the force. The unloading rope 9 is provided with a counterweight 10, the counterweight 10 is acted by downward gravity, and the unloading process applies upward force to the antenna, so that the gravity of the antenna can be counteracted. The length of the two ends of the unloading rope 9 is adjusted through the fixed pulley, so that the unloading of the antenna is realized. During unloading, the unloading module 2 is always above the unloading point (antenna center of gravity), providing a constant unloading force requirement.
The photogrammetry module 3 is acquisition equipment of the antenna space pose measurement device and is responsible for antenna target point acquisition and point coordinate measurement tasks. The photogrammetry module 3 photographs the antenna reflector 14 with cameras of multiple perspectives, and calculates the spatial pose of the antenna reflector 14 using binocular vision spatial positioning principles. The photogrammetry module 3 here comprises at least two camera units 13, and the two camera units 13 are arranged on the rectangular slide rail 5 or the support frame and are used for collecting target points of the antenna.
In a preferred embodiment of the invention, the photogrammetry module 3 comprises three camera units 13 (cameras), at least two of the three camera units 13 being able to acquire the target point of the antenna simultaneously, so as to satisfy the binocular vision spatial localization principle.
Further, in order to make the measurement process more convenient and controllable, the height of the photogrammetry module 3, that is, the shooting height of the camera unit 13, is adjustable. Specifically, the photogrammetry module 3 comprises a height adjusting module, the height adjusting module comprises a screw rod 11 and a motor 12, the camera unit 13 is fixedly connected with the screw rod 11, the motor 12 drives the screw rod 11 to rotate, the screw rod 11 can generate lifting displacement relative to the rectangular sliding rail 5 in the rotating process, and the camera unit 13 is fixedly connected with the screw rod 11, so that the height adjustment of the camera unit 13 relative to the rectangular sliding rail 5 can be realized.
Further, the angle of the photogrammetry module 3, that is, the shooting angle of the shooting unit 13 is adjustable, specifically, the shooting unit 13 is arranged on a rack, and the rack is hinged to the screw 11, so that the rack can rotate up and down relative to the screw 11, and the shooting unit 13 can rotate up and down relative to the screw 11, so that the shooting angle of the shooting unit 13 relative to the antenna is adjustable.
For the specific structure of the support frame of the unloading module 2, in a preferred embodiment of the invention, the support frame is a quadrangular support frame. Specifically, the support frame includes four support columns, and four support columns are located the four corners of rectangle slide rail 5 respectively for support it. And the bottoms of two adjacent support columns are connected through the connecting column, so that the mutual stability of four support columns is ensured, and therefore, the method can be understood as: the rectangular slide rail 5, the four support columns and the four connecting columns form a cube, and the fixed module 1 is arranged in the cube.
Therefore, the measuring process only exists in the cube, and the operating process of the personnel only needs to adjust the (sliding block of the) unloading module 2 and the photographing measuring module outside the cube, so that the measuring process can be realized, the personnel is prevented from entering a measuring loop, and the stability of the measuring result is ensured.
Further, the fixing module 1 is fixedly connected with one of the four connecting columns, so that the position of the fixing module 1 in the measuring process is ensured to be stable.
For the specific structure of the fixing module 1, in the preferred embodiment of the present invention, the fixing module 1 is a (laid down) triangle column, the triangle column includes three sides where three sides of the triangle are located, one side is parallel to the ground, and is defined as a bottom surface; one of the other two surfaces, which is far away from the supporting frame, is provided with a supporting plate 4, and the antenna is arranged on the supporting plate 4.
Preferably, the fixed module 1 is configured to customize the customized product at different angles depending on the antenna product, i.e. the fixed module 1 itself is not adjustable.
In order to make the use scene of the same fixed module 1 wider, the fixed module 1 can also be beneficial to the measurement process, and the fixed module 1 can perform angle adjustment, namely, the angle between the other two surfaces except the bottom surface of the triangular column can be adjusted, so that the pose of the antenna arranged on one surface can be adjusted. The angle adjustment targets are: the rotation axis 15 of the antenna is made horizontal, and specifically, it can be determined whether or not the rotation axis 15 is perpendicular to the vertical axis.
For the antenna structure, referring to a preferred embodiment of fig. 7, the antenna includes a base portion 16, a rotating shaft 15 and a main reflector 14, one end of the rotating shaft 15 is connected to the base portion 16, the other end is connected to the reflector 14, the base portion 16 is disposed on the support plate 4 of the fixing module 1, specifically, a screw hole is disposed on the support plate 4 of the fixing module 1, a corresponding screw hole is also disposed on the base portion 16, and after aligning the two screw holes, the antenna can be mounted on the fixing module 1 by screwing the screw.
The antenna space pose measuring device based on photogrammetry is unloading and measuring integrated equipment based on photogrammetry, solves the problem of low measuring precision and the problem of shielding in the measuring process, meets the measuring precision, and ensures the stability of a convenient and efficient measuring result in the measuring process.
The invention also discloses an antenna space pose measuring method based on photogrammetry, which is based on the antenna space pose measuring device and comprises the following steps:
adjusting the fixed module 1 so that the rotation axis 15 of the antenna is horizontal;
the two adjusting shafts 6 are adjusted so that one end of the unloading rope 9 corresponds to the gravity center of the reflector 14 of the antenna in a natural sagging state;
the height and angle of the photogrammetry module 3 are adjusted so that at least two camera units 13 can acquire the target point of the antenna simultaneously.
The three-point requirement is met, and the antenna space pose measurement of the antenna can be realized based on the line space pose measurement device.
It should be noted that the embodiments of the present invention are preferred and not limited in any way, and any person skilled in the art may make use of the above-disclosed technical content to change or modify the same into equivalent effective embodiments without departing from the technical scope of the present invention, and any modification or equivalent change and modification of the above-described embodiments according to the technical substance of the present invention still falls within the scope of the technical scope of the present invention.
Claims (10)
1. An antenna space pose measuring device based on photogrammetry is characterized in that the unloading process of the antenna is based; the antenna space pose measuring device comprises a fixing module, an unloading module and a photogrammetry module, wherein the antenna is fixedly arranged on the fixing module, and a rotating shaft plumb of the antenna is enabled;
the unloading module comprises a rectangular sliding rail, two adjusting shafts, an unloading rope and a fixed pulley, wherein the rectangular sliding rail is supported by a supporting frame, so that the rectangular sliding rail is arranged above the antenna;
the two ends of the adjusting shafts are respectively arranged on the two opposite sides of the rectangular sliding rail through first sliding blocks so as to slide on the two opposite sides of the rectangular sliding rail, the two adjusting shafts are orthogonal and slide relatively with each other through second sliding blocks, and the unloading rope is arranged on the second sliding blocks so as to be arranged at the intersection of the two adjusting shafts;
one end of the unloading rope is connected with the reflector of the antenna, the other end of the unloading rope is connected with the fixed pulley, and a counterweight is arranged on the unloading rope and used for counteracting the gravity of the antenna; sliding the two adjusting shafts so as to change the position of the unloading rope, and adjusting the lengths of the two ends of the unloading rope through the fixed pulleys so as to realize the unloading of the antenna;
the photogrammetry module comprises at least two camera shooting units, wherein the two camera shooting units are arranged on the rectangular sliding rail or the supporting frame and used for collecting target points of the antenna.
2. The antenna spatial pose measurement device according to claim 1, wherein the photogrammetry module comprises three camera units, at least two of the three camera units being capable of acquiring target points of the antenna simultaneously.
3. The antenna space pose measurement device according to claim 1 or 2, wherein the photogrammetry module further comprises a height adjustment module, the height adjustment module comprises a screw and a motor, the camera unit is fixedly connected with the screw, and the motor drives the screw to rotate, so that the height adjustment of the camera unit relative to the rectangular sliding rail is achieved.
4. The antenna space pose measurement device according to claim 3, wherein the imaging unit is disposed on a stand, and the stand is connected to the screw and is rotatable up and down with respect to the screw, so that an up and down shooting angle of the imaging unit with respect to the antenna is adjustable.
5. The antenna space pose measurement device according to claim 1, wherein the support frame is a quadrangle support frame, the support frame comprises four support columns, and the four support columns are respectively arranged at four corners of the rectangular slide rail;
the bottoms of two adjacent support columns are connected through a connecting column, the rectangular sliding rail, four support columns and four connecting columns form a cube, and the fixing module is arranged in the cube.
6. The antenna spatial pose measurement apparatus according to claim 5, wherein said fixing module is fixedly connected to one of four said connection posts.
7. The antenna space pose measurement device according to claim 1, wherein the fixing module is a triangular column comprising three sides where three sides of a triangle are located;
one surface of the water tank is parallel to the ground and is defined as a bottom surface; one of the other two surfaces, which is far away from the supporting frame, is provided with a supporting plate, and the antenna is arranged on the supporting plate.
8. The antenna spatial pose measurement apparatus according to claim 7, wherein an angle between two other faces other than the bottom face of the triangular prism is adjustable, so that a pose of the antenna provided on one of the faces is adjustable.
9. The antenna spatial pose measurement apparatus according to claim 7, wherein the antenna comprises a base portion, a rotation shaft and a main reflector, one end of the rotation shaft is connected to the base portion, and the other end is connected to the reflector;
the base part is arranged on the supporting plate of the fixed module.
10. An antenna space pose measurement method based on photogrammetry, characterized in that the antenna space pose measurement device based on any of the above claims 1-9 comprises:
adjusting the fixed module such that the rotational axis of the antenna is horizontal;
the two adjusting shafts are adjusted, so that one end of the unloading rope corresponds to the gravity center of the reflector of the antenna in a natural sagging state;
and adjusting the height and angle of the photogrammetry module so that at least two camera units can acquire target points of the antenna at the same time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310984460.1A CN117007020A (en) | 2023-08-07 | 2023-08-07 | Antenna space pose measuring device and method based on photogrammetry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310984460.1A CN117007020A (en) | 2023-08-07 | 2023-08-07 | Antenna space pose measuring device and method based on photogrammetry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117007020A true CN117007020A (en) | 2023-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310984460.1A Pending CN117007020A (en) | 2023-08-07 | 2023-08-07 | Antenna space pose measuring device and method based on photogrammetry |
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| Country | Link |
|---|---|
| CN (1) | CN117007020A (en) |
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2023
- 2023-08-07 CN CN202310984460.1A patent/CN117007020A/en active Pending
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