CN104613852B - A kind of arc-shaped guide rail localization method and system for rcs measurement - Google Patents
A kind of arc-shaped guide rail localization method and system for rcs measurement Download PDFInfo
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- CN104613852B CN104613852B CN201510013297.XA CN201510013297A CN104613852B CN 104613852 B CN104613852 B CN 104613852B CN 201510013297 A CN201510013297 A CN 201510013297A CN 104613852 B CN104613852 B CN 104613852B
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Abstract
The present invention provides a kind of arc-shaped guide rail localization method and system for rcs measurement, is favorably improved the positioning precision of arc-shaped guide rail.Methods described includes：The measurement code-disc value of northern dolly and southern dolly is obtained, wherein, it is connected for measuring prototype gear of the measurement code-disc of code-disc value respectively with the northern dolly and southern dolly；According to the measurement code-disc value for obtaining, the angle position of the northern dolly and southern dolly on the arc-shaped guide rail is determined.The system includes：Acquiring unit, the measurement code-disc value for obtaining northern dolly and southern dolly, wherein, the measurement code-disc for measuring code-disc value is connected with the prototype gear of the northern dolly and southern dolly；Determining unit, for according to the measurement code-disc value for obtaining, determining the angle position of the northern dolly and southern dolly on the arc-shaped guide rail.The present invention is applied to Radar Signal Processing Technology field.
Description
Technical field
The present invention relates to Radar Signal Processing Technology field, a kind of arc-shaped guide rail positioning for rcs measurement is particularly related to
Method and system.
Background technology
Bistatic radar refers to that electromagnetic wave energy is exported to transmitting antenna from radar hardware, then is radiate from transmitting antenna,
The echo for then being returned from one or more objects is received by reception antenna, is finally transmitted back to the hardware device of radar, also
It is to say, the transmitting and reception of electromagnetic wave are in different positions.
At present, a radar scattering characteristic (radia cross section, RCS) surveying laboratory uses a diameter of 20 meters
Ball housing, wherein, RCS reflects testee under given conditions to the albedo of incident electromagnetic wave, in the circle
Global shell is mounted with a diameter of 20 meters of large scale arc-shaped guide rail, has arc-shaped rack on the arc-shaped guide rail, because arc-shaped guide rail has
Deform with standard round deviation, cause the positioning of arc-shaped guide rail inaccurate.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of arc-shaped guide rail localization method and system for rcs measurement,
To solve the problems, such as that the arc-shaped guide rail deformation existing for prior art causes positioning inaccurate.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of arc-shaped guide rail localization method for rcs measurement,
Including：
Obtain the measurement code-disc value of northern dolly and southern dolly, wherein, for measure the measurement code-disc of code-disc value respectively with institute
State the prototype gear connection of northern dolly and southern dolly；
According to the measurement code-disc value for obtaining, the angle of the northern dolly and southern dolly on the arc-shaped guide rail is determined
Position.
Alternatively, the northern dolly and the measurement code-disc value of southern dolly of obtaining includes：
Obtain measurement of the northern dolly when default first object position is up slided and down slides equal angular
Code-disc value；
Obtain measurement of the southern dolly when default second target location is up slided and down slides equal angular
Code-disc value.
Alternatively, it is described according to the measurement code-disc value for obtaining, determine the northern dolly and southern dolly in the arc
Angle position on guide rail includes：
In the coordinate system of unified zero point, when the described northern dolly to obtaining up slides and down slide equal angular
Measurement code-disc value is processed, and determines that the northern dolly up slides the first error information during with down slip equal angular；
Interpolation amendment is carried out to the first object position according to first error information, revised described is determined
One target location；
In the coordinate system of unified zero point, when the described southern dolly to obtaining up slides and down slide equal angular
Measurement code-disc value is processed, and determines that the southern dolly up slides the second error information during with down slip equal angular；
Interpolation amendment is carried out to second target location according to second error information, the revised second target position is determined
Put.
Alternatively, methods described also includes：
Processed by motion controller, between controlling the motion controller to produce the angle of synchronization pulse
Every the scope at the angle interval includes：0.01 °~1 °.
Alternatively, methods described also includes：
By setting cable pillar outside circular shell, the cable column upper section is rotated with the first steel bracket and is connected, institute
State the first steel bracket to be connected with the second steel bracket by telescopic first steel wire rope, second steel bracket and the southern dolly
It is fixedly connected；
The cable column upper section is rotated with the 3rd steel bracket and is connected, and the 3rd steel bracket passes through telescopic second steel
Cord is connected with the 4th steel bracket, and the 4th steel bracket is fixedly connected with the northern dolly.
The arc-shaped guide rail localization method for rcs measurement described in the embodiment of the present invention, according to the northern dolly and south that obtain
The measurement code-disc value of dolly, determines the angle position of the northern dolly and southern dolly on the arc-shaped guide rail.So, by inciting somebody to action
Measurement code-disc for measuring code-disc value is separately mounted to the prototype gear of the northern dolly and southern dolly, when the northern dolly
And the prototype gear of southern dolly can drive the measurement code-disc on respective prototype gear move when rotating, according to the institute of acquisition
State the measurement code-disc value on measurement code-disc and determine the angle position of the northern dolly and southern dolly on the arc-shaped guide rail, so that
Realize the northern dolly and southern dolly being accurately positioned on the arc-shaped guide rail.
On the other hand, the embodiment of the present invention provides a kind of arc-shaped guide rail alignment system for rcs measurement, including：
Acquiring unit 101：Measurement code-disc value for obtaining northern dolly and southern dolly, wherein, for measuring code-disc value
Prototype gear of the measurement code-disc respectively with the northern dolly and southern dolly is connected；
Determining unit 102：For according to the measurement code-disc value for obtaining, determining the northern dolly and southern dolly described
Angle position on arc-shaped guide rail.
Alternatively, the acquiring unit includes：
First acquisition module 1011：Up slided and down in default first object position for obtaining the northern dolly
Slide measurement code-disc value during equal angular；
Second acquisition module 1012：Up slided and down in default second target location for obtaining the southern dolly
Slide measurement code-disc value during equal angular.
Alternatively, the determining unit includes：
First processing module 1021：For in the coordinate system of unified zero point, the described northern dolly to obtaining up to be slided
And measurement code-disc value when down sliding equal angular is processed；
3rd determining module 1022：For determining that the northern dolly up slides first during with down slip equal angular
Error information；
First correcting module 1023：Repaiied for carrying out interpolation to the first object position according to first error information
Just；
4th determining module 1024：For determining the revised first object position；
Second processing module 1025：For in the coordinate system of unified zero point, the described southern dolly to obtaining up to be slided
And measurement code-disc value when down sliding equal angular is processed；
5th determining module 1026：For determining that the southern dolly up slides second during with down slip equal angular
Error information；
Second correcting module 1027：Repaiied for carrying out interpolation to second target location according to second error information
Just；
6th determining module 1028：For determining revised second target location.
Alternatively, the system also includes：
Control unit：For being processed by motion controller, the motion controller is controlled to produce lock-out pulse
The angle interval of signal, the scope at the angle interval includes：0.01 °~1 °.
Alternatively, the system also includes：
By setting cable pillar outside circular shell, the cable column upper section is rotated with the first steel bracket and is connected, institute
State the first steel bracket to be connected with the second steel bracket by telescopic first steel wire rope, second steel bracket and the southern dolly
It is fixedly connected；
The cable column upper section is rotated with the 3rd steel bracket and is connected, and the 3rd steel bracket passes through telescopic second steel
Cord is connected with the 4th steel bracket, and the 4th steel bracket is fixedly connected with the northern dolly.
The arc-shaped guide rail alignment system for rcs measurement described in the embodiment of the present invention, north is obtained by acquiring unit 101
The measurement code-disc value of dolly and southern dolly, and determine that the northern dolly and southern dolly are led in the arc by determining unit 102
Angle position on rail.So, by by for measuring, the measurement code-disc of code-disc value is separately mounted to the northern dolly and south is small
On the prototype gear of car, can be driven on respective prototype gear when the prototype gear of the northern dolly and southern dolly is rotated
The motion of measurement code-disc, determine the northern dolly and southern dolly in institute according to the measurement code-disc value on the measurement code-disc for obtaining
The angle position on arc-shaped guide rail is stated, so as to realize the northern dolly and southern dolly being accurately positioned on the arc-shaped guide rail.
Brief description of the drawings
Fig. 1 is the method flow diagram of the arc-shaped guide rail localization method for rcs measurement that the embodiment of the present invention one is provided；
Fig. 2 is the control block diagram of the arc-shaped guide rail for rcs measurement provided in an embodiment of the present invention；
Fig. 3 is the structural representation of the arc-shaped guide rail for rcs measurement provided in an embodiment of the present invention；
Fig. 4 is the structural representation of the arc-shaped guide rail alignment system for rcs measurement that the embodiment of the present invention two is provided；
Fig. 5 is the detailed construction flow chart of acquiring unit 101 in Fig. 4；
Fig. 6 is the detailed construction flow chart of determining unit 102 in Fig. 4.
Specific embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
The present invention causes the inaccurate problem of positioning for the deformation of existing arc-shaped guide rail, there is provided one kind is used for rcs measurement
Arc-shaped guide rail localization method and system.In order to meet the demand of bistatic measurement, one is respectively provided with the North and South direction of arc-shaped guide rail
The arc positioner for carrying measurement antenna is covered, for example, being provided with the northern (transmitting of antenna 11 of carrying in the north of arc-shaped guide rail 10
Antenna) northern dolly 1 and the south of arc-shaped guide rail 10 be provided with carry Nan Tian's line 21 (reception antenna) southern dolly 2.
Embodiment one
Referring to shown in Fig. 1, the arc-shaped guide rail localization method for rcs measurement that the embodiment of the present invention one is provided, including：
Obtain the measurement code-disc value of northern dolly 1 and southern dolly 2, wherein, for measure the measurement code-disc of code-disc value respectively with
The prototype gear connection of the northern dolly 1 and southern dolly 2；
According to the measurement code-disc value for obtaining, determine the northern dolly 1 and southern dolly 2 on the arc-shaped guide rail 10
Angle position.
The arc-shaped guide rail localization method for rcs measurement described in the embodiment of the present invention, according to the northern dolly 1 and south that obtain
The measurement code-disc value of dolly 2, determines the angle position of the northern dolly 1 and southern dolly 2 on the arc-shaped guide rail 10.So,
By the prototype gear by the northern dolly 1 and southern dolly 2 is separately mounted to for measuring the measurement code-disc of code-disc value, work as institute
The prototype gear for stating northern dolly 1 and southern dolly 2 can drive the measurement code-disc on respective prototype gear to move when rotating, root
Determine the northern dolly 1 and southern dolly 2 on the arc-shaped guide rail 10 according to the measurement code-disc value on the measurement code-disc for obtaining
Angle position, so as to realize the northern dolly 1 and southern being accurately positioned on the arc-shaped guide rail 10 of dolly 2.
The embodiment of the present invention, for example, northern dolly measurement code-disc 12 can be installed on the prototype gear 13 of the northern dolly 1
And southern dolly measurement code-disc 22 is installed on the prototype gear of the southern dolly 2, code-disc 12 and south are measured by the northern dolly
Dolly measures the angle position of the northern dolly 1 of code-disc 22 pairs and southern dolly 2 on arc-shaped guide rail 10 and measures.It is simultaneously described
Each self installation servomotor 6 and drive gear in northern dolly 1 and southern dolly 2, on the south as a example by dolly 2, when the southern dolly 2 is in arc
When starting to slide on shape guide rail 10, the servomotor 6 of the southern dolly 2 can drive the drive gear of the southern dolly 2 and drive
The southern dolly 2 is slided on the arc-shaped guide rail 10, while the drive gear of the southern dolly 2 can drive and its modulus, tooth
Number identical prototype gear is rotated, and drives mounted southern dolly measurement code-disc 22 on prototype gear to move, according to what is obtained
Measurement code-disc value on the southern dolly measurement code-disc 22 determines angle position of the southern dolly 2 on the arc-shaped guide rail 10
Put, wherein, the southern dolly measurement code-disc 22 can use absolute type encoder, so that it is determined that the southern dolly 2 is led in arc
Absolute position on rail 10.
It is alternatively, described to obtain north in the specific embodiment of arc-shaped guide rail localization method for being previously used for rcs measurement
The measurement code-disc value of dolly 1 and southern dolly 2 includes：
Obtain measurement of the northern dolly 1 when default first object position is up slided and down slides equal angular
Code-disc value；
Obtain measurement of the southern dolly 2 when default second target location is up slided and down slides equal angular
Code-disc value.
In the embodiment of the present invention, on the south as a example by dolly 2, when the southern dolly 2 reaches default second target location for the first time
When, because the arc-shaped guide rail 10 has deformed, when the second target location of first arrival is not deformed with the arc-shaped guide rail 10
The second target location there is error, need to further obtain the southern dolly 2 and continue in first the second target location for reaching
Up slide and down slide equal angular when measurement code-disc value, for example, default second target location be 90 °, then
Need to further obtain the southern dolly 2 on the arc-shaped guide rail 10 be located at 89 ° and 91 ° when measurement code-disc value.
The embodiment of the present invention, referring to shown in Fig. 2, on the south as a example by dolly 2, for example, default second target location can
Set with by industrial computer 3, and the second target location for setting is sent to motion controller 4, the motion control by network
Device can be galil multi-axis motion controllers, and the galil multi-axis motion controllers can control the slip of the southern dolly 2
To second target location, specifically, in the sliding process of the southern dolly 2, the galil multi-axis motion controllers root
According to the speed (code-disc tests the speed) and described that the current angle position on the arc-shaped guide rail 10 of the southern dolly 2, code-disc are measured
Second target location instructs, and determines the speed command of the southern dolly 2 (for example：Acceleration), and the speed command is sent
To servo-driver 5, so as to drive the servomotor 6 of the southern dolly 2 to drive the southern dolly 2 to slide into second target
Position, wherein, second target location scope includes：In the range of positive and negative 120 degree of the arc-shaped guide rail 10, limited in Fig. 2
Bit switch may insure that the southern dolly 2 is slided in the range of positive and negative 120 degree of the arc-shaped guide rail 10.
In the specific embodiment of arc-shaped guide rail localization method for being previously used for rcs measurement, alternatively, the basis is obtained
The measurement code-disc value for taking, determines that the angle position of the northern dolly 1 and southern dolly 2 on the arc-shaped guide rail 10 includes：
In the coordinate system of unified zero point, when the described northern dolly 1 to obtaining up is slided and down slides equal angular
Measurement code-disc value processed, determine the northern dolly 1 up slide with down slide equal angular when the first margin of error
According to；
Interpolation amendment is carried out to the first object position according to first error information, revised described is determined
One target location；
In the coordinate system of unified zero point, when the described southern dolly 2 to obtaining up is slided and down slides equal angular
Measurement code-disc value processed, determine the southern dolly 2 up slide with down slide equal angular when the second margin of error
According to；
Interpolation amendment is carried out to second target location according to second error information, revised described is determined
Two target locations.
In the embodiment of the present invention, on the south as a example by dolly 2, for example, can be according to the described southern dolly 2 for obtaining in the arc
Measurement code-disc value when 89 ° and 91 ° are located on guide rail 10 is processed, determine the southern dolly 2 up slided with 1 ° of angle and
The second error information down slided, and interpolation correcting process is made to the second target location according to second error information, really
Fixed revised second target location.The galil multi-axis motion controllers drive the southern dolly 2 along described simultaneously
Arc-shaped guide rail 10 slides into revised second target location, so as to realize the southern dolly 2 in the arc-shaped guide rail 10
On be accurately positioned.So, interpolation correcting process is carried out by the slip to the southern dolly 2 on arc-shaped guide rail 10, can
Weaken the influence caused by the arc-shaped guide rail 10 deforms to positioning precision significantly, test result indicate that, by interpolation Corrections Division
After reason, positioning precision of the residing southern dolly 2 on arc-shaped guide rail 10 has reached ± 0.005 °.
In the specific embodiment of arc-shaped guide rail localization method for being previously used for rcs measurement, alternatively, methods described bag
Include：
Processed by motion controller, between controlling the motion controller to produce the angle of synchronization pulse
Every the scope at the angle interval includes：0.01 °~1 °.
In the embodiment of the present invention, referring to shown in Fig. 2, for example, can be compiled by galil multi-axis motion controllers
Journey, controls the galil multi-axis motion controllers to produce the angle interval of lock-out pulse, and the scope at angle interval includes：
0.01 °~1 °.For example, can set the galil multi-axis motion controllers produces synchronization pulse every 0.01 °.It is described
The angle position that lock-out pulse is used for by the southern dolly 2 or northern dolly 1 on the arc-shaped guide rail 10 is sent to RCS tests and sets
Standby 7, so that RCS test equipments 7 can timely according to northern dolly 1 and the southern present position on the arc-shaped guide rail 10 of dolly 2
RCS is measured, the accuracy of rcs measurement result is favorably improved.
In the specific embodiment of arc-shaped guide rail localization method for being previously used for rcs measurement, alternatively, methods described bag
Include：
By setting cable pillar outside circular shell, the cable column upper section is rotated with the first steel bracket and is connected, institute
State the first steel bracket to be connected with the second steel bracket by telescopic first steel wire rope, second steel bracket and the southern dolly
2 are fixedly connected；
The cable column upper section is rotated with the 3rd steel bracket and is connected, and the 3rd steel bracket passes through telescopic second steel
Cord is connected with the 4th steel bracket, and the 4th steel bracket is fixedly connected with the northern dolly 1.
In the embodiment of the present invention, referring to shown in Fig. 3, in order to ensure the degree of accuracy of rcs measurement result, should be in rcs measurement reality
The ball housing for testing room is reduced and lays influential on rcs measurement result equipment, for example, cable tray, to the north of as a example by dolly 1,
The cable tray 9 of the northern dolly 1 includes：First steel bracket L1, the second steel bracket L2 and telescopic first steel wire rope.
Rcs measurement laboratory spherical shell is provided with a cable pillar 8 in vitro, and rotary the is mounted with the cable pillar
One steel bracket L1, the first steel bracket L1 is attached with the second steel bracket L2 by telescopic first steel wire rope, described
Second steel bracket L2 is fixedly connected with the northern dolly 1, and so, when northern dolly 1 is slided along the arc-shaped guide rail 10, north is small
The cable bracket of car 1 can follow northern dolly 1 to slide with retractile, without being collided with ball housing.Likewise, on the south dolly
As a example by 2, the cable tray of the southern dolly 2 includes：3rd steel bracket, the 4th steel bracket and telescopic second steel wire rope, institute
State cable column upper section to be connected with the rotation of the 3rd steel bracket, the 3rd steel bracket passes through telescopic second steel wire rope and the 4th
Steel bracket is connected, and the 4th steel bracket is fixedly connected with the southern dolly 2, so, when southern dolly 2 is along the arc-shaped guide rail
During 10 slip, the cable bracket of southern dolly 2 can follow southern dolly 2 to slide with retractile, without being collided with ball housing.
Embodiment two
Referring to shown in Fig. 4, the embodiment of the present invention two provides a kind of arc-shaped guide rail alignment system for rcs measurement, including：
Acquiring unit 101：Measurement code-disc value for obtaining northern dolly 1 and southern dolly 2, wherein, for measuring code-disc value
Prototype gear of the measurement code-disc respectively with the northern dolly 1 and southern dolly 2 be connected；
Determining unit 102：For according to the measurement code-disc value for obtaining, determining the northern dolly 1 and southern dolly 2 in institute
State the angle position on arc-shaped guide rail 10.
The arc-shaped guide rail alignment system for rcs measurement described in the embodiment of the present invention, obtains north small by acquiring unit
The measurement code-disc value of car 1 and southern dolly 2, and determine the northern dolly 1 and southern dolly 2 in the arc-shaped guide rail by determining unit
Angle position on 10.So, by by for measuring, the measurement code-disc of code-disc value is separately mounted to the northern dolly 1 and south is small
On the prototype gear of car 2, can be driven installed in each measurement tooth when the prototype gear of the northern dolly 1 and southern dolly 2 is rotated
Measurement code-disc motion on wheel, determines that the northern dolly 1 and south are small according to the measurement code-disc value on the measurement code-disc for obtaining
Angle position of the car 2 on the arc-shaped guide rail 10, so as to realize the northern dolly 1 and southern dolly 2 in the arc-shaped guide rail 10
On be accurately positioned.
It is optional in the specific embodiment of arc-shaped guide rail alignment system for being previously used for rcs measurement referring to shown in Fig. 5
Ground, the acquiring unit 101 includes：
First acquisition module 1011：Up slided and past in default first object position for obtaining the northern dolly 1
Measurement code-disc value during lower slider equal angular；
Second acquisition module 1012：Up slided and past in default second target location for obtaining the southern dolly 2
Measurement code-disc value during lower slider equal angular.
It is optional in the specific embodiment of arc-shaped guide rail alignment system for being previously used for rcs measurement referring to shown in Fig. 6
Ground, the determining unit 102 includes：
First processing module 1021：For in the coordinate system of unified zero point, the described northern dolly 1 to obtaining up to be slided
And measurement code-disc value when down sliding equal angular is processed；
3rd determining module 1022：For determining that the northern dolly 1 is up slided and the when down sliding equal angular
One error information；
First correcting module 1023：Repaiied for carrying out interpolation to the first object position according to first error information
Just；
4th determining module 1024：For determining the revised first object position；
Second processing module 1025：For in the coordinate system of unified zero point, the described southern dolly 2 to obtaining up to be slided
And measurement code-disc value when down sliding equal angular is processed；
5th determining module 1026：For determining that the southern dolly 2 is up slided and the when down sliding equal angular
Two error informations；
Second correcting module 1027：Repaiied for carrying out interpolation to second target location according to second error information
Just；
6th determining module 1028：For determining revised second target location.
In the specific embodiment of arc-shaped guide rail alignment system for being previously used for rcs measurement, alternatively, the system is also
Including：
Control unit：For being processed by motion controller, the motion controller is controlled to produce lock-out pulse
The angle interval of signal, the scope at the angle interval includes：0.01 °~1 °.
In the specific embodiment of arc-shaped guide rail alignment system for being previously used for rcs measurement, alternatively, the system is also
Including：
By setting cable pillar outside circular shell, the cable column upper section is rotated with the first steel bracket and is connected, institute
State the first steel bracket to be connected with the second steel bracket by telescopic first steel wire rope, second steel bracket and the southern dolly
2 are fixedly connected；
The cable column upper section is rotated with the 3rd steel bracket and is connected, and the 3rd steel bracket passes through telescopic second steel
Cord is connected with the 4th steel bracket, and the 4th steel bracket is fixedly connected with the northern dolly 1.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of arc-shaped guide rail localization method for rcs measurement, it is characterised in that including：
The measurement code-disc value of northern dolly and southern dolly is obtained using following steps：
Obtain measurement code-disc of the northern dolly when default first object position is up slided and down slides equal angular
Value；
Obtain measurement code-disc of the southern dolly when default second target location is up slided and down slides equal angular
Value；
Wherein, it is connected for measuring prototype gear of the measurement code-disc of code-disc value respectively with the northern dolly and southern dolly；
According to the measurement code-disc value for obtaining, determine the northern dolly and southern dolly in the arc-shaped guide rail by following steps
On angle position：
In the coordinate system of unified zero point, the described northern dolly to obtaining up slides and down slides measurement during equal angular
Code-disc value is processed, and determines that the northern dolly up slides the first error information during with down slip equal angular；
Interpolation amendment is carried out to the first object position according to first error information, revised first mesh is determined
Cursor position；
In the coordinate system of unified zero point, the described southern dolly to obtaining up slides and down slides measurement during equal angular
Code-disc value is processed, and determines that the southern dolly up slides the second error information during with down slip equal angular；According to
Second error information carries out interpolation amendment to second target location, determines revised second target location.
2. the arc-shaped guide rail localization method for rcs measurement according to claim 1, it is characterised in that including：
Processed by motion controller, control the motion controller to produce the angle interval of synchronization pulse, institute
The scope for stating angle interval includes：0.01 °~1 °.
3. the arc-shaped guide rail localization method for rcs measurement according to claim 1, it is characterised in that including：
By setting cable pillar outside circular shell, the rotation of the cable column upper section and the first steel bracket is connected, and described the
One steel bracket is connected by telescopic first steel wire rope with the second steel bracket, and second steel bracket is fixed with the southern dolly
Connection；
The cable column upper section is rotated with the 3rd steel bracket and is connected, and the 3rd steel bracket passes through telescopic second steel wire rope
It is connected with the 4th steel bracket, the 4th steel bracket is fixedly connected with the northern dolly.
4. a kind of arc-shaped guide rail alignment system for rcs measurement, it is characterised in that including：
Acquiring unit：Measurement code-disc value for obtaining northern dolly and southern dolly, wherein, the measurement code-disc for measuring code-disc value
The prototype gear with the northern dolly and southern dolly is connected respectively；
Determining unit：For according to the measurement code-disc value for obtaining, determining that the northern dolly and southern dolly are led in the arc
Angle position on rail；
Wherein, the acquiring unit includes：
First acquisition module：Up slide and down slide identical in default first object position for obtaining the northern dolly
Measurement code-disc value during angle；
Second acquisition module：Up slide and down slide identical in default second target location for obtaining the southern dolly
Measurement code-disc value during angle；
The determining unit includes：
First processing module：For in the coordinate system of unified zero point, the described northern dolly to obtaining up to be slided and slid down
Measurement code-disc value during dynamic equal angular is processed；
3rd determining module：For determining that the northern dolly up slides the first margin of error during with down slip equal angular
According to；
First correcting module：For carrying out interpolation amendment to the first object position according to first error information；
4th determining module：For determining the revised first object position；
Second processing module：For in the coordinate system of unified zero point, the described southern dolly to obtaining up to be slided and slid down
Measurement code-disc value during dynamic equal angular is processed；
5th determining module：For determining that the southern dolly up slides the second margin of error during with down slip equal angular
According to；
Second correcting module：For carrying out interpolation amendment to second target location according to second error information；
6th determining module：For determining revised second target location.
5. the arc-shaped guide rail alignment system for rcs measurement according to claim 4, it is characterised in that including：
Control unit：For being processed by motion controller, the motion controller is controlled to produce synchronization pulse
Angle interval, the scope at angle interval includes：0.01 °~1 °.
6. the arc-shaped guide rail alignment system for rcs measurement according to claim 4, it is characterised in that including：
By setting cable pillar outside circular shell, the rotation of the cable column upper section and the first steel bracket is connected, and described the
One steel bracket is connected by telescopic first steel wire rope with the second steel bracket, and second steel bracket is fixed with the southern dolly
Connection；
The cable column upper section is rotated with the 3rd steel bracket and is connected, and the 3rd steel bracket passes through telescopic second steel wire rope
It is connected with the 4th steel bracket, the 4th steel bracket is fixedly connected with the northern dolly.
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| CN106019247B (en) * | 2016-05-19 | 2018-04-17 | 北京环境特性研究所 | Ground-object spectrum rcs measurement system carrying platform circular motion azimuthal error modification method |
| CN107990849A (en) * | 2017-12-01 | 2018-05-04 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Carriage track straightness and depth of parallelism automatic detection device and its detection method |
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| JPH09159749A (en) * | 1995-12-06 | 1997-06-20 | Mitsubishi Heavy Ind Ltd | Apparatus for measuring radar reflection cross section |
| CN1987343A (en) * | 2006-11-04 | 2007-06-27 | 大连海事大学 | Intelligent holographic three dimension laser measuring system |
| CN201259415Y (en) * | 2008-09-27 | 2009-06-17 | 上海东大自动化工程有限公司 | Trolley displacement detection device |
| JP2012211794A (en) * | 2011-03-31 | 2012-11-01 | Furukawa Electric Co Ltd:The | Angular characteristics measuring method and radar apparatus |
| CN102253376B (en) * | 2011-04-14 | 2012-11-21 | 西北工业大学 | Method for testing RCS (radar cross section) of low-scattering conformal antenna based on two-dimensional microwave imaging |
| CN103308898B (en) * | 2013-05-20 | 2016-07-13 | 中电科仪器仪表有限公司 | A kind of list station pulse RCS based on switch switching tests system |
| CN104122408B (en) * | 2014-08-05 | 2016-08-24 | 华中科技大学 | A kind of velocity measuring device for wheeled carriage under water |
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