CN109459735A - A kind of phased array quick calibration method based on three-phase amplitude measurement - Google Patents
A kind of phased array quick calibration method based on three-phase amplitude measurement Download PDFInfo
- Publication number
- CN109459735A CN109459735A CN201811546926.5A CN201811546926A CN109459735A CN 109459735 A CN109459735 A CN 109459735A CN 201811546926 A CN201811546926 A CN 201811546926A CN 109459735 A CN109459735 A CN 109459735A
- Authority
- CN
- China
- Prior art keywords
- radiation field
- phase
- synthesis
- unit
- width
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
Abstract
The invention discloses a kind of phased array quick calibration methods based on three-phase amplitude measurement, the solution that this method is mutually worth each array element width, it is only necessary in the case where three kinds of fronts are with phase state, the synthesis field amplitude of whole battle array be measured respectively, by measuring range value, the width for calculating array element is mutually worth.In a calibration process, the present invention only needs to measure the amplitude of radiation field, avoids phase measurement error and is mutually worth solution bring adverse effect to unit width；For N element array, amplitude measurement number needed for the invention is 3N times, substantially increases phased array antenna calibration timeliness；The invention changes simultaneously multiple unit phases, and the amplitude of global radiation field is made to be changed significantly, and reduction measurement error influences, and promotes calibration accuracy.
Description
Technical field
Field of the present invention is antenna measurement field, in the phase for satellite communication, radar detection, electronic countermeasure etc.
Controlling in array antenna measurement and calibration has preferable applicability, the quick mark of the amplitude phase error especially suitable for phased array antenna
School.
Background technique
For phased array antenna after the assembly is completed, the amplitude phase error between array element is to restrict phased array antenna to play its electrical property
Key factor, such as reduce gain, raise secondary lobe and cause beam position deviation.Therefore phased array antenna is coming into operation
Before, it is necessary to its amplitude phase error is measured and calibrated.
All the time, the calibration method of phased array antenna is the research hotspot of phased array antenna fields of measurement.Phased array day
Line calibration obtains each array element width by certain measurement method and is mutually distributed, and then carries out width and mutually compensates, makes up the width between array element
Phase error.Calibration method, can be divided into two classes by the means that can be mutually distributed according to array element width is obtained, and the first kind is that amplitude and phase are surveyed
Amount, the second class are only amplitude measurements.It is known that amplitude is more easily accurately obtained relative to phase for antenna system,
Reason is that antenna system is open system, and phase information is easy to be influenced by test macro and test environment, thus band
Carry out test error.Therefore relative to first kind method, the second class method is with more accurate and practicability.However at present for only needing
Second class method of amplitude measurement, needed for amplitude testing time it is more, be otherwise unable to satisfy the solution that array element width is mutually distributed
Condition, amplitude measurement number are the key factors for directly affecting front prover time.
Summary of the invention
The present invention improves on the basis of prior art, provides a kind of calibration method based on three-phase amplitude measurement,
The solution that each array element width is mutually worth, it is only necessary in three kinds of fronts under phase state, respectively to the synthesis field amplitude of front into
Row measurement, by measuring range value, the width for calculating array element is mutually worth.It can be seen that the method reduce front synthesis field amplitudes to survey
Number is measured, the timeliness of calibration is improved.
To solve the problems, such as calibration timeliness, the technical scheme adopted by the invention is as follows:
A kind of phased array quick calibration method based on three-phase amplitude measurement, including set up phased array antenna 1 to be measured and loudspeaker
Antenna 2, phased array antenna 1 to be measured connect frequency spectrograph 6,2 connecting signal source 5 of standard horn antenna, phased array antenna 1 to be measured with
Electromagnetic horn 2 establishes communication, it is characterised in that:
1. being grouped, phased array antenna 1 to be measured includes N number of antenna element, and the antenna array of phased array antenna 1 to be measured is divided into
N group, any one group of i include MiA phase change unit and N-MiA phase holding unit；
2. recording, matches at three kinds for i-th group and synthesize radiation field performance number under phase.Change simultaneously phase change unit three times
Channel amount of phase shift Δ, Δ is respectively 0 °, 90 °, 180 °, and successively records the performance number on frequency spectrograph 6, is denoted as Pi1、Pi2、Pi3；
3. calculating MiThe synthesis radiation field and N-M of a phase change unitiThe phase of the synthesis radiation field of a phase holding unit
Potential difference.By Pi1、Pi2、Pi3Substitute into following formula
Acquire MiA phase change unit synthesis radiation field and N-MiThe phase difference of a phase holding unit synthesis radiation field
Φi1-Φi2；
4. calculating MiA phase change unit and N-MiThe synthesis radiation field range value of a phase holding unit.By Pi1、Pi2、
Pi3Substitute into following formula
Acquire MiA phase change unit and N-MiThe synthesis radiation field range value of a phase holding unit；
5. calculating MiA phase change unit synthesis radiation field is mutually worth relative to the width of whole battle array global radiation field.By phase difference
Φi1-Φi2With range value Ai1And Ai2Bring following formula into
Acquire MiA phase change unit synthesis radiation field is mutually worth relative to the width of whole battle array global radiation field；
6. the width for solving phase change unit synthesis radiation field whole battle array global radiation field relatively in remaining N-1 grouping is mutually worth,
Repeat step 2., step 3., step 4. and step 5., acquire it is remaining N-1 grouping in phase change unit synthesize radiation field
The width of whole battle array global radiation field relatively is mutually worth；
7. compensation calibration width is asked mutually to be worth.Radiation field whole battle array global radiation field relatively is synthesized by the N number of phase change unit acquired
Width be mutually worth and establish following matrix form
Wherein, HN×NFor N level matrix number；Column vectorIt is expressed as unit radiation
Field is mutually worth relative to the width of whole battle array resultant field；Column vectorIt is expressed as having solved to obtain
Every grouping in phase change unit synthesis radiation field be mutually worth relative to the width of whole battle array.
Final radiation field of each element is mutually worth relative to the width of whole battle array resultant field to be expressed as
By what is solvedIt is handed down to phased array antenna 1 to be measured, front school can be realized
It is quasi-.
Further, step 2. in also need to carry out it is following calculate, in i-th group of record at three kinds with synthesizing spoke under phase
The general power of antenna array synthesis radiation field is indicated before penetrating a performance number.
Any one group of i includes MiA phase change unit and N-MiA phase holding unit, MiThe synthesis radiation field of a unit
It indicates are as follows:
Wherein, Ai1For MiThe amplitude of the synthesis radiation field of a unit, Φi1For MiThe initial phase of the synthesis radiation field of a unit
Position, Δ MiThe channel amount of phase shift that a unit changes simultaneously.
Remaining N-MiThe synthesis radiation field of a unit indicates are as follows:
Wherein, Ai2And Φi2The respectively synthesis radiation field amplitude and phase of phase holding unit.
The totalizing wattmeter of antenna array synthesis radiation field in this way is shown as:
Wherein, Φi1-Φi2For MiThe synthesis radiation field and N-M of a phase change unitiThe synthesis of a phase holding unit
The phase difference of radiation field, Ai1And Ai2Respectively MiA phase change unit and N-MiThe synthesis radiation field width of a phase holding unit
Angle value.
Further, the MiLess than N-Mi, MiMore than or equal to 1.
The invention has the advantage that compared to background technique
1, it only needs to measure the amplitude of radiation field, avoids phase measurement error and solution bring is mutually worth to unit width
Adverse effect.
2, for N element array, amplitude measurement number needed for the invention is 3N times, when substantially increasing phased array antenna calibration
Effect property；
3, multiple unit phases are changed simultaneously, the amplitude of global radiation field is made to be changed significantly, reduction measurement error influences, and is promoted
Calibration accuracy.
Detailed description of the invention
Fig. 1 is phased array antenna calibration schematic diagram of the present invention.
Fig. 2 is 16 yuan of phased array antenna calibration grouping schematic diagrames.
Specific embodiment
For convenience of understanding, below by taking 16 yuan of phased array receiving antennas as an example, detailed description of the present invention calibration process.
Early-stage preparations provide phased array calibration scene according to Fig. 1, set up phased array antenna 1 to be measured, standard horn antenna 2
And subsidiary equipment, electromagnetic horn 2 is placed into the far-field region of phased array antenna 1 to be measured, and control by control equipment 3
Antenna rotating platform 4 is aligned the front center of phased array antenna 1 to be measured with the aperture centre of electromagnetic horn 2, is connected by radio-frequency cable
Signal source 5 and standard horn antenna 2 are connect, frequency spectrograph 6 and phased array antenna 1 to be measured are connected by radio-frequency cable, pass through control line
Cable connects phased array antenna 1 to be measured and control equipment 3.
Frequency spectrograph 6 and signal source 5 are opened, and calibration frequency point is set.Phased array antenna to be measured is owned by control equipment 3
It opens in channel.
1. being grouped, according to packet mode shown in Fig. 2, antenna array is divided into 16 groups, every group includes 3 phase change lists
Member, 13 phase holding units.
2. recording, for the 1st group, change simultaneously the channel amount of phase shift Δ of selected unit three times, Δ is respectively 0 °, 90 °,
180 °, serial number i is defined, and successively records the performance number on frequency spectrograph 6, is denoted as P11、P12、P13.Antenna array synthesizes radiation field
Totalizing wattmeter be shown as:
In the case of three kinds of phase shifts, global radiation field power is expressed as
Simple transformation is carried out to formula (4), is obtained
It is solved by formula (5) and formula (6)
Since 3 less than 13, amplitude Ai1Less than Ai2, Φi1-Φi2For 3 phase change units synthesis radiation field with
The phase difference of the synthesis radiation field of 13 phase holding units, Ai1And Ai2Respectively 3 phase change units and 13 phases are protected
Hold the synthesis radiation field range value of unit.
It is solved at this time by formula (7) and formula (8)
The amplitude and phase of the synthesis radiation field of phase change unit whole battle array global radiation field relatively are expressed as in such i-th group
The synthesis radiation field of 3 phase change units in the 1st group can be calculated relative to global radiation field by formula (9-11)
Width be mutually worth.
Step 6 repeats step 4 and 5, calculates the synthesis radiation field of phase change unit in other 15 groups relative to global radiation
The width of field is mutually worth.
Step 7 synthesizes after field width are mutually worth solution completing all grouping phase change units, can be calculated using formula (16)
All units are mutually distributed relative to the width of whole battle array, wherein invertible matrix H16×16By H4×4Constitute block diagonal matrix, H4×4Using following
Ring displacement mode generates.
Step 8 is mutually distributed by acquiring front width and each channel can be obtained the calibration width compensated is needed mutually to be worth, and completes front school
It is quasi-.
According to above-mentioned steps, it is assumed that channel phase shifters' digit is 6, and the required amplitude measurement number of the present invention is 16 × 3
=48 times, and amplitude measurement number needed for using existing electric rotating vector calibration method is close to 16 × 26=1024 times, because
This present invention substantially reduces amplitude measurement number, can fast implement front calibration.
The comparison of table 1 the method for the present invention and electric rotating vector method
| Amplitude measurement number | |
| The method of the present invention | 48 times |
| Existing electric rotating vector method | 1024 times |
Embodiment 2:
N member phased array antenna is needed to solve all array element width and be mutually worth, i.e., the battle array shares N number of unknown to realize calibration
Amount.For the solution for realizing N number of unknown quantity, need to establish N number of equation.
Antenna array is divided into N group.It altogether include M for i-th groupiA phase change unit and N-MiA phase keeps single
Member, wherein MiLess than N-Mi, can be 1.MiThe synthesis radiation field of a unit is expressed as
Wherein, Ai1For MiThe amplitude of the synthesis radiation field of a unit, Φi1For MiThe initial phase of the synthesis radiation field of a unit
Position, Δ MiThe channel amount of phase shift that a unit changes simultaneously.In the case, remaining N-MiThe synthesis radiation field of a unit indicates
For
Wherein, Ai2And Φi2The respectively synthesis radiation field amplitude and initial phase of phase holding unit.
The totalizing wattmeter of antenna array synthesis radiation field is shown as
There are three unknown quantitys, respectively A for formula (3)i1、Ai2And Φi1-Φi2, survey can be passed through by synthesizing radiation field general power
It measures.To acquire Ai1、Ai2And Φi1-Φi2, using the controllable feature of phased array antenna channel phases, it is only necessary to change three times
Amount of phase shift Δ, Δ take 0 °, 90 °, 180 °, and measure antenna array total radiant power respectively.In the case of three kinds of phase shifts, global radiation
Field power is expressed as
Simple transformation is carried out to formula (4), is obtained
It is solved by formula (5) and formula (6)
Due to MiLess than N-Mi, therefore amplitude Ai1Less than Ai2, solved at this time by formula (7) and formula (8)
The amplitude and phase of the synthesis radiation field of phase change unit whole battle array global radiation field relatively are expressed as in such i-th group
The relatively whole battle array global radiation of synthesis radiation field that phase change unit in other groups can successively be acquired according to the above method
The amplitude and phase of field.N number of equation is established in this way, equation group is expressed as with matrix form
Wherein HN×NFor N level matrix number, each behavior is made of 1 and 0, and 1 represents every group of phase change unit, and 0 represents phase
Position holding unit；Column vectorRadiation field of each element is expressed as relative to whole battle array radiation field
Width is mutually worth；Column vectorIt is expressed as phase change list in every group solved
Member synthesis radiation field is mutually worth relative to the width of whole battle array.
By being rationally grouped, matrix H can be made reversible, which can be used hadamard matrix form, and circulation also can be used and move
The matrix form that position is constituted.Such as 4 rank matrix Hs4×4, as shown in formula (13), the first behavior [1,1,1,0], with the first behavior
Benchmark, second the first row element of behavior cyclic shift 1 time to the right, third behavior the first row cyclic shift 2 times to the right, according to this rule
Every row element then can be obtained；For 5 rank matrix Hs5×5, as shown in formula (14), the first behavior [1,1,1,0,0], by successively to the right
Every row element can be obtained in cyclic shift.In addition, equally reversible such as right by the block diagonal matrix that cyclic shift mode generates
In 12 rank matrix Hs12×12, as shown in formula (15), which is by H4×4The block diagonal matrix of composition.
The width of final front, which is mutually distributed, to be expressed as
Mutually being distributed by the width of front can be obtained each channel the calibration width compensated is needed mutually to be worth, to realize front calibration.
Embodiment 3, a kind of phased array quick calibration method based on three-phase amplitude measurement, including set up phased array day to be measured
Line 1 and electromagnetic horn 2, phased array antenna 1 to be measured connect frequency spectrograph 6,2 connecting signal source 5 of standard horn antenna, phased array to be measured
Antenna 1 is communicated with the foundation of electromagnetic horn 2, it is characterised in that:
1. being grouped, phased array antenna 1 to be measured includes N number of antenna element, and the antenna array of phased array antenna 1 to be measured is divided into
N group, any one group of i include MiA phase change unit and N-MiA phase holding unit；
2. recording, show the general power of antenna array synthesis radiation field.
Any one group of i includes MiA phase change unit and N-MiA phase holding unit, MiThe synthesis radiation field of a unit
It indicates are as follows:
Wherein, Ai1For MiThe amplitude of the synthesis radiation field of a unit, Φi1For MiThe initial phase of the synthesis radiation field of a unit
Position, Δ MiThe channel amount of phase shift that a unit changes simultaneously.
Remaining N-MiThe synthesis radiation field of a unit indicates are as follows:
Wherein, Ai2And Φi2The respectively synthesis radiation field amplitude and phase of phase holding unit.
The totalizing wattmeter of antenna array synthesis radiation field in this way is shown as:
Wherein, Φi1-Φi2For MiThe synthesis radiation field and N-M of a phase change unitiThe synthesis of a phase holding unit
The phase difference of radiation field, Ai1And Ai2Respectively MiA phase change unit and N-MiThe synthesis radiation field width of a phase holding unit
Angle value.
Match at three kinds for i-th group and synthesize radiation field performance number under phase, the channel for changing simultaneously phase change unit three times is moved
Phasor Δ, Δ is respectively 0 °, 90 °, 180 °, and successively records the performance number on frequency spectrograph 6, is denoted as Pi1、Pi2、Pi3；
3. calculating MiThe synthesis radiation field and N-M of a phase change unitiThe phase of the synthesis radiation field of a phase holding unit
Potential difference.By Pi1、Pi2、Pi3Substitute into following formula
Acquire MiA phase change unit synthesis radiation field and N-MiThe phase difference of a phase holding unit synthesis radiation field
Φi1-Φi2；
4. calculating MiA phase change unit and N-MiThe synthesis radiation field range value of a phase holding unit.By Pi1、Pi2、
Pi3Substitute into following formula
Acquire MiA phase change unit and N-MiThe synthesis radiation field range value of a phase holding unit；
5. calculating MiA phase change unit synthesis radiation field is mutually worth relative to the width of whole battle array global radiation field.By phase difference
Φi1-Φi2With range value Ai1And Ai2Bring following formula into
Acquire MiA phase change unit synthesis radiation field is mutually worth relative to the width of whole battle array global radiation field；
6. the width for solving phase change unit synthesis radiation field whole battle array global radiation field relatively in remaining N-1 grouping is mutually worth,
Repeat step 2., step 3., step 4. and step 5., acquire it is remaining N-1 grouping in phase change unit synthesize radiation field
The width of whole battle array global radiation field relatively is mutually worth；
7. compensation calibration width is asked mutually to be worth.Radiation field whole battle array global radiation field relatively is synthesized by the N number of phase change unit acquired
Width be mutually worth and establish following matrix form
Wherein, HN×NFor N level matrix number；Column vectorIt is expressed as unit radiation
Field is mutually worth relative to the width of whole battle array resultant field；Column vectorIt is expressed as having solved to obtain
Every grouping in phase change unit synthesis radiation field be mutually worth relative to the width of whole battle array.
Final radiation field of each element is mutually worth relative to the width of whole battle array resultant field to be expressed as
By what is solvedIt is handed down to phased array antenna 1 to be measured, front school can be realized
It is quasi-.
Step 2. in also need to carry out it is following calculate, in i-th group of record at three kinds with synthesizing radiation field power under phase
Table is wanted before value
The MiLess than N-Mi, MiMore than or equal to 1.
Claims (3)
1. a kind of phased array quick calibration method based on three-phase amplitude measurement, including set up phased array antenna 1 to be measured and loudspeaker
Antenna 2, phased array antenna 1 to be measured connect frequency spectrograph 6,2 connecting signal source 5 of standard horn antenna, phased array antenna 1 to be measured and loudspeaker
Antenna 2 establishes communication, it is characterised in that:
1. being grouped, phased array antenna 1 to be measured includes N number of antenna element, and the antenna array of phased array antenna 1 to be measured is divided into N group,
Any one group of i includes MiA phase change unit and N-MiA phase holding unit；
2. recording, matches at three kinds for i-th group and synthesize radiation field performance number under phase.Change simultaneously the channel of phase change unit three times
Amount of phase shift Δ, Δ is respectively 0 °, 90 °, 180 °, and successively records the performance number on frequency spectrograph 6, is denoted as Pi1、Pi2、Pi3；
3. calculating MiThe synthesis radiation field and N-M of a phase change unitiThe phase of the synthesis radiation field of a phase holding unit
Difference.By Pi1、Pi2、Pi3Substitute into following formula
Acquire MiA phase change unit synthesis radiation field and N-MiThe phase difference Φ of a phase holding unit synthesis radiation fieldi1-
Φi2；
4. calculating MiA phase change unit and N-MiThe synthesis radiation field range value of a phase holding unit.By Pi1、Pi2、Pi3Generation
Enter following formula
Acquire MiA phase change unit and N-MiThe synthesis radiation field range value of a phase holding unit；
5. calculating MiA phase change unit synthesis radiation field is mutually worth relative to the width of whole battle array global radiation field.By phase difference Φi1-
Φi2With range value Ai1And Ai2Bring following formula into
Acquire MiA phase change unit synthesis radiation field is mutually worth relative to the width of whole battle array global radiation field；
6. the width for solving phase change unit synthesis radiation field whole battle array global radiation field relatively in remaining N-1 grouping is mutually worth, repeat
Step 2., step 3., step 4. and step 5., acquire it is remaining N-1 grouping in phase change unit synthesis radiation field it is opposite
The width of whole battle array global radiation field is mutually worth；
7. compensation calibration width is asked mutually to be worth.The width of radiation field whole battle array global radiation field relatively is synthesized by the N number of phase change unit acquired
Mutually value establishes following matrix form
Wherein, HN×NFor N level matrix number；Column vectorIt is opposite to be expressed as radiation field of each element
Mutually it is worth in the width of whole battle array resultant field；Column vectorIt is expressed as every point solved
Phase change unit synthesis radiation field is mutually worth relative to the width of whole battle array in group.
Final radiation field of each element is mutually worth relative to the width of whole battle array resultant field to be expressed as
By what is solvedIt is handed down to phased array antenna 1 to be measured, front calibration can be realized.
2. a kind of phased array quick calibration method based on three-phase amplitude measurement according to claim 1, it is characterised in that:
Step 2. in also need to carry out it is following calculate, in i-th group of record at three kinds with being wanted before synthesizing radiation field performance number under phase
Indicate the general power of antenna array synthesis radiation field.
Any one group of i includes MiA phase change unit and N-MiA phase holding unit, MiThe synthesis radiation field of a unit indicates
Are as follows:
Wherein, Ai1For MiThe amplitude of the synthesis radiation field of a unit, Φi1For MiThe initial phase of the synthesis radiation field of a unit,
Δ is MiThe channel amount of phase shift that a unit changes simultaneously.
Remaining N-MiThe synthesis radiation field of a unit indicates are as follows:
Wherein, Ai2And Φi2The respectively synthesis radiation field amplitude and phase of phase holding unit.
The totalizing wattmeter of antenna array synthesis radiation field in this way is shown as:
Wherein, Φi1-Φi2For MiThe synthesis radiation field and N-M of a phase change unitiThe synthesis of a phase holding unit radiates
The phase difference of field, Ai1And Ai2Respectively MiA phase change unit and N-MiThe synthesis of a phase holding unit radiates field amplitude
Value.
3. a kind of phased array quick calibration method based on three-phase amplitude measurement according to claim 1, it is characterised in that:
The MiLess than N-Mi, MiMore than or equal to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546926.5A CN109459735A (en) | 2018-12-18 | 2018-12-18 | A kind of phased array quick calibration method based on three-phase amplitude measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811546926.5A CN109459735A (en) | 2018-12-18 | 2018-12-18 | A kind of phased array quick calibration method based on three-phase amplitude measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109459735A true CN109459735A (en) | 2019-03-12 |
Family
ID=65613610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811546926.5A Pending CN109459735A (en) | 2018-12-18 | 2018-12-18 | A kind of phased array quick calibration method based on three-phase amplitude measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109459735A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596145A (en) * | 2020-06-04 | 2020-08-28 | 四川九洲电器集团有限责任公司 | Phase control array emission calibration device and method |
| CN112134629A (en) * | 2020-09-24 | 2020-12-25 | 合肥若森智能科技有限公司 | Simple phased array satellite antenna calibration equipment and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140111373A1 (en) * | 2011-10-06 | 2014-04-24 | Raytheon Company | Calibration System and Technique For A Scalable, Analog Monopulse Networks |
| CN106990394A (en) * | 2017-02-27 | 2017-07-28 | 中国电子科技集团公司第二十七研究所 | A kind of calibration of amplitude and phase method of antenna element in plane or cylinder phased-array radar |
| CN107219408A (en) * | 2017-05-10 | 2017-09-29 | 江苏明联电子科技有限公司 | The calibrating installation and calibration method of a kind of array |
| CN108155956A (en) * | 2016-12-05 | 2018-06-12 | 英飞凌科技股份有限公司 | For the equipment, system and method for RF signal path calibration |
-
2018
- 2018-12-18 CN CN201811546926.5A patent/CN109459735A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140111373A1 (en) * | 2011-10-06 | 2014-04-24 | Raytheon Company | Calibration System and Technique For A Scalable, Analog Monopulse Networks |
| CN108155956A (en) * | 2016-12-05 | 2018-06-12 | 英飞凌科技股份有限公司 | For the equipment, system and method for RF signal path calibration |
| CN106990394A (en) * | 2017-02-27 | 2017-07-28 | 中国电子科技集团公司第二十七研究所 | A kind of calibration of amplitude and phase method of antenna element in plane or cylinder phased-array radar |
| CN107219408A (en) * | 2017-05-10 | 2017-09-29 | 江苏明联电子科技有限公司 | The calibrating installation and calibration method of a kind of array |
Non-Patent Citations (5)
| Title |
|---|
| RUI LONG, JUN OUYANG, FENG YANG, WANGWANG HAN, AND LONGJIAN ZHOU: "Fast Amplitude-Only Measurement Method for Phased Array Calibration", 《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION ( VOLUME: 65 , ISSUE: 4 , APRIL 2017 )》 * |
| 刘明罡，冯正和: "分组旋转矢量法校正大规模相控阵天线", 《电波科学学报》 * |
| 王海，韩国栋，张领飞，武伟: "一种相控阵天线小面阵波束评估方法", 《天线与伺服技术》 * |
| 耿新涛: "相控阵发射系统中幅相校准方法研究", 《工程实践及应用技术》 * |
| 陈柏燊: "阵列天线设计及非线性校准技术研究", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596145A (en) * | 2020-06-04 | 2020-08-28 | 四川九洲电器集团有限责任公司 | Phase control array emission calibration device and method |
| CN111596145B (en) * | 2020-06-04 | 2022-04-26 | 四川九洲电器集团有限责任公司 | Phase control array emission calibration device and method |
| CN112134629A (en) * | 2020-09-24 | 2020-12-25 | 合肥若森智能科技有限公司 | Simple phased array satellite antenna calibration equipment and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102857310B (en) | The method of testing and device of a kind of active antenna system wireless index | |
| CN109541330B (en) | Array antenna channel calibration system of plane wave simulator | |
| Pupillo et al. | Medicina array demonstrator: calibration and radiation pattern characterization using a UAV-mounted radio-frequency source | |
| CN102830298B (en) | Method and device for testing radio frequency index and wireless index of active antenna system | |
| Görres et al. | Absolute calibration of GPS antennas: laboratory results and comparison with field and robot techniques | |
| CN109633287A (en) | A kind of quick calibration of amplitude and phase method of phased array merely with amplitude measurement | |
| CN110346655B (en) | Device and method for measuring polarization parameters of antenna | |
| CN104375132B (en) | Digital Array Radar multi-channel analog passage relative time delay measurement apparatus and method | |
| CN106226761A (en) | A kind of high-performance is concerned with higher-frequency radar multifrequency detection method | |
| CN102426300A (en) | Calibration system of amplitude and phase errors of satellite-borne wave beam formation reception channels and method thereof | |
| US20100295732A1 (en) | System and method for removing channel phase error in a phase comparison direction finder | |
| CN105606906B (en) | A kind of millimeter wave phased array test calibration method | |
| CN110031811B (en) | Multichannel broadband signal coherent characteristic rapid calibration system | |
| EL-Hattab | Influence of GPS antenna phase center variation on precise positioning | |
| CN111487478B (en) | Angle-dependent complex array error calibration method based on deep neural network | |
| CN107015198A (en) | A kind of indoor orientation method based on the irregular laying of antenna | |
| CN109459735A (en) | A kind of phased array quick calibration method based on three-phase amplitude measurement | |
| Papazian et al. | Calibration of millimeter-wave channel sounders for super-resolution multipath component extraction | |
| CN106291454A (en) | A kind of interferometer near field test device, method of testing and calibration steps | |
| CN103364645A (en) | Near-field measurement method for antenna array of virtual feed network | |
| Jam et al. | A submillimeter-wave near-field measurement setup for on-wafer pattern and gain characterization of antennas and arrays | |
| CN109507635A (en) | Utilize the array amplitude phase error evaluation method of two unknown orientation auxiliary sources | |
| CN110361705A (en) | A kind of phased array antenna near field iterative calibration method | |
| CN107219408A (en) | The calibrating installation and calibration method of a kind of array | |
| KR20200027263A (en) | apparatus and method for canceling cross component in testing wireless device with multiple antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190312 |