CN108008206A - A kind of near field antenna transmitter unit level measuring system - Google Patents
A kind of near field antenna transmitter unit level measuring system Download PDFInfo
- Publication number
- CN108008206A CN108008206A CN201711224841.0A CN201711224841A CN108008206A CN 108008206 A CN108008206 A CN 108008206A CN 201711224841 A CN201711224841 A CN 201711224841A CN 108008206 A CN108008206 A CN 108008206A
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- China
- Prior art keywords
- controller
- sampling stand
- control machine
- initialization command
- isochronous controller
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
Abstract
The present invention discloses a kind of near field antenna transmitter unit level measuring system, including：Main control computer, for sending initialization command；Sampling stand controller, the operation of sampling stand is controlled according to initialization command；Ripple control machine, for data acquisition；The measuring system further includes isochronous controller, which is used for realization sampling stand controller and ripple control machine is synchronous.In the system of the present invention, circumstance of temperature difference caused by can avoiding the problem that overlong time is excessive so that measurement error is larger, so as to improve testing progress and near-field test efficiency, and, the present invention need not carry out calibration link on the basis of existing technology, greatly save measurement cost and cost of labor.
Description
Technical field
The present invention relates near field antenna measurements field.Measured more particularly, to a kind of near field antenna transmitter unit level and be
System.
Background technology
With the fast development of modern radar solid state phased array antenna technology, phased array antenna has become leading, it is launched
Power and element number are also being continuously increased.The total emission power of solid state phased array antenna can reach hundreds of kilowatts of amount at present
Level, element number is up to as many as 20,000.Solid state phased array antenna is launched in near-field test cannot be again as its reception state test one
Sample can be tested all units are fully open, if fully open test equipment, darkroom absorbing material and survey
Examination personnel etc. can be subject to high-power electromagnetic to radiate, and so likely result in instrument and equipment damage, and darkroom absorbing material glows,
Tester is subject to radiation so as to occur situations such as causing a disease.
In order to reach the test request of solid state antenna emission state, we use the working method of " singly open and singly adopt " at present.
In this mode, whole unit is not all of opening at the same time when antenna is launched, but which list collected near field test system
Just open the unit when first to be tested, this avoid high-power radiation problem, tests the transmitting of solid state phased array antenna
It is possibly realized.
But in existing near-field test, since system does not provide the real-time position information output of sampling stand, it is impossible to have
Effect informs the active position of the current measuring unit of ripple control machine of solid-state array antenna, causes the unit of test cannot be controlled with ripple control machine
Units match on, so that " singly open and singly adopt " function can not be realized.Cause the testing time longer, the normal testing time is up to 13
More than hour, and test is influenced to cause error larger by environment temperature, it is therefore desirable to extra calibration is carried out, it is time-consuming to take
Power, and the effect for calibrating reduction error is limited, and even if ultimately resulting in by calibrating repeatedly, error is still larger.
The content of the invention
At least one of to solve the above-mentioned problems, the present invention uses following technical proposals：
A kind of near field antenna transmitter unit level measuring system, including：
Main control computer, for sending initialization command；
Sampling stand controller, the operation of sampling stand is controlled according to initialization command；
Ripple control machine, for data acquisition；
The measuring system further includes isochronous controller, which is used for realization sampling stand controller and ripple control machine
It is synchronous.
In a preferred embodiment, the isochronous controller receives initialization command and sends first control signal, and
The first control signal is sent to sampling stand controller, to control the operation of sampling stand.
In another preferred embodiment, the initialization command includes test frequency point, wave beam, passage and scan mode
Select command.
In yet another preferred embodiment, the system also includes microwave instrument, the microwave instrument to be used for the width number of phases
According to collection.
In yet another preferred embodiment, the first control signal is what is calculated according to the scanning signal of sampling stand
Corresponding to the ranks number of scanned antenna array unit.
In yet another preferred embodiment, the isochronous controller sends second control signal to the ripple control machine, institute
Stating second control signal includes interrupt trigger signal and trigger collection signal.
In yet another preferred embodiment, the isochronous controller is sent by UDP procotols to the ripple control machine
Gathered data.
In yet another preferred embodiment, the data include test frequency point, wave beam, passage, the data of scan mode
And the ranks number of antenna array unit.
In yet another preferred embodiment, the operational mode of sampling stand is continuous operation mode, the continuous operation mould
Produced when formula is at interval of default step-length by the sampling stand controller to digit pulse.
In yet another preferred embodiment, the isochronous controller includes standard (RS232) interface and Ethernet
(RJ45) interface.
Beneficial effects of the present invention are as follows：
The present invention provides a kind of near field antenna transmitter unit level measuring system, passes through increasing in the test system of the prior art
Add isochronous controller that test system is communicated to connect with ripple control machine, so as to achieve the purpose that to measure at a high speed, when having saved measurement
Between, circumstance of temperature difference caused by avoiding overlong time is excessive so that the problem of measurement error is larger, so as to improve testing progress
With near-field test efficiency, also, the present invention need not carry out calibration link on the basis of existing technology, greatly save measurement
Cost and cost of labor.
Brief description of the drawings
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows the test system flow chart schematic diagram in one embodiment of the invention.
Fig. 2 shows isochronous controller workflow schematic diagram in one embodiment of the invention.
Fig. 3 shows isochronous controller time diagram in one embodiment of the invention.
Embodiment
In order to illustrate more clearly of the present invention, the present invention is done further with reference to preferred embodiments and drawings
It is bright.Similar component is indicated with identical reference numeral in attached drawing.It will be appreciated by those skilled in the art that institute is specific below
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
A kind of specific embodiment of present invention offer, a kind of near field antenna transmitter unit level measuring system, including：Master control
Machine, for sending initialization command；Sampling stand controller, the operation of sampling stand is controlled according to initialization command；Ripple control machine, is used for
Data acquisition；The measuring system further includes isochronous controller, which is used for realization sampling stand controller and ripple control
Machine is synchronous.
A kind of near field antenna transmitter unit level measuring system in the embodiment, leads in the test system of the prior art
Crossing increase isochronous controller causes test system to be communicated to connect with ripple control machine, so as to achieve the purpose that to measure at a high speed, has saved survey
Measure the time, circumstance of temperature difference caused by avoiding overlong time is excessive so that the problem of measurement error is larger, so as to improve test
Progress and near-field test efficiency, also, the present invention need not carry out calibration link on the basis of existing technology, greatly save
Measurement cost and cost of labor.
In this embodiment, isochronous controller described in isochronous controller receives initialization command and sends the first control letter
Number, and the first control signal is sent to sampling stand controller, to control the operation of sampling stand.According to first control signal
The ranks number for corresponding to scanned antenna array unit that the scanning signal of sampling stand calculates.
The information of scanning is converted into ranks number by first control signal, in order to the data acquisition of ripple control machine.Meanwhile standard
Ranks number can also be recorded in each produce so that the data normalization of collection, easy to the storage and control of data.
Optionally, in embodiments of the present invention, initialization command should include institute's order in need, for example test
Frequency point, wave beam, the select command of passage and scan mode.Mentioned order signal can be distinguished each order by isochronous controller
Being transmitted to needs exectorial unit.
Optionally, the system also includes microwave instrument, the microwave instrument to gather for width phase data.
As shown in figure 3, Fig. 3 abscissas represent time shaft, substantially, the measurement of near field antenna cell level, main test is admittedly
The amplitude and phase information of the phased array element of state.The isochronous controller is sent to the ripple control machine by UDP procotols and adopted
Collect data, the data include the ranks number of test frequency point, wave beam, passage, the data of scan mode and antenna array unit.Together
After controller is walked per a cell position in place, can to all test frequency points of unit, test waves bit synchronization ripple control machine (including
UDP networks bag and BC_Trig trigger signals) microwave instrument (PNA_Trig trigger signals) progress width phase data collection is triggered afterwards,
Time delay T1, T2, T3 can be configured by test main frame according to ripple control machine timing requirements.
Optionally, in this embodiment, the isochronous controller sends second control signal to the ripple control machine, described
Second control signal includes interrupt trigger signal and trigger collection signal, treats that ripple control machine receives network bag, opens corresponding ranks number
Front unit channel after, isochronous controller produces triggering according to the test frequency point of system, wave beam, passage and other command parameters
Pulse train, triggering ripple control machine carry out the collection of amplitude-phase information.
Preferably, the operational mode of sampling stand is continuous operation mode, and the continuous operation mode is at interval of default step
Produced when long by the sampling stand controller to digit pulse.
In the preferred embodiment, continuous operation mode eliminates stepping mould compared to conventional step run pattern
The residence time between points of formula, by this kind of operational mode, can realize the purpose measured at a high speed.
Optionally, the isochronous controller includes standard (RS232) interface and Ethernet (RJ45) interface.
Substantially, isochronous controller is the prior art, and the invention main points of non-invention, the synchronization that present embodiment is selected
Controller is STM32 series processors of the ST companies based on ARM Cortex-M4, and the ARM core designs based on high speed are onboard rich
Rich Peripheral Interface, has quick response and handles the ability of external interrupt, run real time operating system, and can be compiled online
Journey is debugged and programming program is on piece FLASH modules.
The workflow of isochronous controller as shown in Figure 2, can realize antenna beam in the presence of isochronous controller
Efficient control, multiple frequencies, the power of test of multiple wave beams can be completed by making once to test, while can cure " Dan Kaidan
Adopt " test mode, make it have versatility.
Certainly, sampling stand obtains positional information in present embodiment, can obtain in the following way：Sampling stand controller root
According to the scan mode of test main control software, trigger pulse is sent afterwards in place in each sampling point position, isochronous controller possesses excellent
First level interrupt management controller, supports 22 external interrupt/event requests, it is each interrupt equipped with mode bit and independent triggering and
Shielding is set.The P-pulse input port for setting isochronous controller is edge triggered interruption, synchronous when arriving to digit pulse
Controller is according to the quantity for interrupting control recording impulse, by the way that further the front row of current location is changed out in processing after calculating
Row number, obtains positional information and is sent to ripple control machine by network udp protocol.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention, for those of ordinary skill in the field, may be used also on the basis of the above description
To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is every to belong to this hair
Row of the obvious changes or variations that bright technical solution is extended out still in protection scope of the present invention.
Claims (10)
- A kind of 1. near field antenna transmitter unit level measuring system, it is characterised in that including：Main control computer, for sending initialization command；Sampling stand controller, the operation of sampling stand is controlled according to initialization command；Ripple control machine, for data acquisition；The measuring system further includes isochronous controller, which is used for realization sampling stand controller and ripple control machine is same Step.
- 2. system according to claim 1, it is characterised in that the isochronous controller receives initialization command and sends the first control Signal processed, and the first control signal is sent to sampling stand controller, to control the operation of sampling stand.
- 3. system according to claim 1 or claim 2, it is characterised in that the initialization command includes test frequency point, wave beam, leads to The select command in road and scan mode.
- 4. system according to claim 1, it is characterised in that the system also includes microwave instrument, the microwave instrument is used Gathered in width phase data.
- 5. system according to claim 1 or claim 2, it is characterised in that the first control signal is the scanning according to sampling stand The ranks number for corresponding to scanned antenna array unit that signal calculates.
- 6. system according to claim 1, it is characterised in that the isochronous controller sends the second control to the ripple control machine Signal, the second control signal include interrupt trigger signal and trigger collection signal.
- 7. system according to claim 1, it is characterised in that the isochronous controller is by UDP procotols to the ripple Control machine sends gathered data.
- 8. according to the system of claim 1 or 7, it is characterised in that the data include test frequency point, wave beam, passage, scanning The data of mode and the ranks number of antenna array unit.
- 9. system according to claim 1, it is characterised in that the operational mode of sampling stand is continuous operation mode, the company Produced when reforwarding row mode is at interval of default step-length by the sampling stand controller to digit pulse.
- 10. system according to claim 1, it is characterised in that the isochronous controller include standard (RS232) interface and Ethernet (RJ45) interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711224841.0A CN108008206A (en) | 2017-11-29 | 2017-11-29 | A kind of near field antenna transmitter unit level measuring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711224841.0A CN108008206A (en) | 2017-11-29 | 2017-11-29 | A kind of near field antenna transmitter unit level measuring system |
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| CN108008206A true CN108008206A (en) | 2018-05-08 |
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| CN201711224841.0A Pending CN108008206A (en) | 2017-11-29 | 2017-11-29 | A kind of near field antenna transmitter unit level measuring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406888A (en) * | 2018-12-18 | 2019-03-01 | 北京无线电测量研究所 | A kind of active phase array antenna transmitting pattern test method and system |
| CN112698114A (en) * | 2020-12-10 | 2021-04-23 | 北京无线电测量研究所 | Antenna near field data acquisition method and system |
| CN117520226A (en) * | 2024-01-08 | 2024-02-06 | 四川赛狄信息技术股份公司 | PS end DDR direct access method and system based on ZYNQ platform |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103926474A (en) * | 2014-03-18 | 2014-07-16 | 中国电子科技集团公司第十研究所 | Phased array antenna unit characteristic near-field measurement method |
| CN107255756A (en) * | 2017-07-02 | 2017-10-17 | 中国航空工业集团公司雷华电子技术研究所 | A kind of phased array antenna near-field pattern parallel test system and method for testing |
| CN107317639A (en) * | 2017-07-07 | 2017-11-03 | 广东曼克维通信科技有限公司 | The near field calibration method of testing and device of phased array antenna |
| CN107390037A (en) * | 2017-07-06 | 2017-11-24 | 广东曼克维通信科技有限公司 | Antenna near-field test device and method |
-
2017
- 2017-11-29 CN CN201711224841.0A patent/CN108008206A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103926474A (en) * | 2014-03-18 | 2014-07-16 | 中国电子科技集团公司第十研究所 | Phased array antenna unit characteristic near-field measurement method |
| CN107255756A (en) * | 2017-07-02 | 2017-10-17 | 中国航空工业集团公司雷华电子技术研究所 | A kind of phased array antenna near-field pattern parallel test system and method for testing |
| CN107390037A (en) * | 2017-07-06 | 2017-11-24 | 广东曼克维通信科技有限公司 | Antenna near-field test device and method |
| CN107317639A (en) * | 2017-07-07 | 2017-11-03 | 广东曼克维通信科技有限公司 | The near field calibration method of testing and device of phased array antenna |
Non-Patent Citations (2)
| Title |
|---|
| 严继军: "相控阵雷达天线电性能测试平台设计与实现", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
| 侯飞: "相控阵雷达天线近场测试系统发展与研制", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406888A (en) * | 2018-12-18 | 2019-03-01 | 北京无线电测量研究所 | A kind of active phase array antenna transmitting pattern test method and system |
| CN112698114A (en) * | 2020-12-10 | 2021-04-23 | 北京无线电测量研究所 | Antenna near field data acquisition method and system |
| CN112698114B (en) * | 2020-12-10 | 2023-04-14 | 北京无线电测量研究所 | Antenna near field data acquisition method and system |
| CN117520226A (en) * | 2024-01-08 | 2024-02-06 | 四川赛狄信息技术股份公司 | PS end DDR direct access method and system based on ZYNQ platform |
| CN117520226B (en) * | 2024-01-08 | 2024-03-26 | 四川赛狄信息技术股份公司 | PS end DDR direct access method and system based on ZYNQ platform |
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Application publication date: 20180508 |