CN107202922A - Strong-electromagnetic field environmentally conscious materialses microwave dielectric property studies test system and method - Google Patents
Strong-electromagnetic field environmentally conscious materialses microwave dielectric property studies test system and method Download PDFInfo
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- CN107202922A CN107202922A CN201710375071.3A CN201710375071A CN107202922A CN 107202922 A CN107202922 A CN 107202922A CN 201710375071 A CN201710375071 A CN 201710375071A CN 107202922 A CN107202922 A CN 107202922A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2617—Measuring dielectric properties, e.g. constants
- G01R27/2623—Measuring-systems or electronic circuits
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Abstract
The present invention provides a kind of strong-electromagnetic field environmentally conscious materialses microwave dielectric property research test system and method, including three parts：Compression resonator driver unit A：Including signal source；Resonator system part B includes compression resonator, sub-miniature A connector, electric probe, coupling ring, microwave resonance parameter extraction portion C includes bandstop filter, vector network analyzer, compression resonator can be realized simulates high power environmental experiment with low-power source, greatly reduces the cost that experimental study is directly carried out using high-powered sources；The introducing of bandstop filter causes exciting power signal and measured power signal to separate, and this can deduct experiment test research error, improve the confidence level of testing research result；The system can realize the quick testing research of small sample multifrequency point, shorten the microwave material R＆D cycle applied in High Power Microwave System.
Description
Technical field
The invention belongs to the application field of microwave measurement, especially a kind of strong-electromagnetic field environmentally conscious materialses microwave dielectric property is ground
Study carefully test system and method.
Background technology
Microwave material is the carrier that microwave technology is used and developed.And the electromagnetic parameter of microwave material determines electromagnetism completely
The propagation characteristic of ripple wherein.Therefore, the electromagnetic parameter for accurately obtaining microwave material is the important base of microwave technology development
Plinth.
Generally, the electromagnetic parameter research to microwave material is confined in the case of small-signal mostly, i.e., by using vector net
Network analyzer directly measures the parameters such as micro-wave dielectric and loss characteristic of the microwave material under a certain working frequency.But, microwave
The developing direction of technology is higher frequency and Geng Gao power.In the microwave high-frequency system with high-power output, when being
Strong-electromagnetic field can be produced during system running, and under strong-electromagnetic field effect, the electromagnetic property parameters of microwave material will produce change,
This change can cause the capability and performance severe exacerbation of microwave material, the working condition of system is produced destruction, seriously limit
The development and utilization of high-power output system.Therefore, the small-signal Environmental Studies of traditional electromagnetic parameter on microwave material
It is far from being enough, it is necessary to carry out the electromagnetic parameter characteristic research technology of material under more power.
At present, the material in High Power Microwave System is concentrated mainly on for the research of microwave material at high power both at home and abroad
Expect breakdown characteristics research and the breakdown characteristics research of electron tube internal material.The basic skills of research is using high-power
Signal direct irradiation material, by electrical and optical method diagnostic materials surface breakdown whole process come research material in big work(
Breakdown characteristics under rate.Material electromagnetic property research method cost under this high power environment is extremely high, and research cycle
It is longer.
The content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of strong-electromagnetic field environmentally conscious materialses are micro-
Ripple Study on dielectric property test system and method for testing, realize the microwave property Low-cost of material under strong-electromagnetic field environment
Change, and greatly shorten the microwave material design R＆D cycle.
For achieving the above object, technical solution of the present invention is as follows：
A kind of strong-electromagnetic field environmentally conscious materialses microwave dielectric property studies test system, including three parts：
Compression resonator driver unit A：Including signal source, the pumping signal to provide different capacity size changes
Electromagnetic field intensity in resonator；
Resonator system part B：Including compression resonator, the first sub-miniature A connector, the second sub-miniature A connector, the 3rd sub-miniature A connector, electricity
Probe, the first coupling ring and the second coupling ring, environment of the compression resonator needed for provide system resonance, the first SMA connect
Head and electric probe are to allow the pumping signal that signal source is provided to inject intra resonant cavity, the second sub-miniature A connector, the first coupling ring, the
The resonant parameter curve of two coupling rings, the 3rd sub-miniature A connector to extract resonator；
Microwave resonance parameter extraction portion C：Including the first bandstop filter, the second bandstop filter, vector network analysis
The effect of instrument, wherein bandstop filter is to suppress pumping signal to be coupled to vector network analyzer, and vector network analyzer is used to
Show the microwave dielectric property change of material under the microwave resonance parameter curve extracted, ultimate analysis different electromagnetic field intensity；
Signal source is provided exciting power signal and compression resonator, vector is injected in the form of electric probe by sub-miniature A connector
The output port of Network Analyzer is connected with the A ports of the first bandstop filter, the B ports and second of the first bandstop filter
Sub-miniature A connector is connected, and the 3rd sub-miniature A connector is connected with the A ports of the second bandstop filter, B ports and the arrow of the second bandstop filter
The input port for measuring Network Analyzer is connected, and the quartz ampoule equipped with detected materials is placed at the compression of compression resonator.
It is preferred that, the compression resonator is compression rectangular cavity.
For achieving the above object, the present invention also provides the strong-electromagnetic field environmentally conscious materialses microwave described in a kind of claim
The method of testing of Study on dielectric property test system, introduces compression resonator and strong-electromagnetic field is produced at the compression of resonator,
System incentive power signal is separately injected into resonator, introduces bandstop filter and causes exciting power signal and measured power signal point
Open, the centre frequency and exciting power signal of bandstop filter are with frequency, the exciting power signal and test work(of compression resonator
Rate signal encourages and extracted microwave resonance parameter by different ports.
Present system will set up a kind of strong-electromagnetic field environment by using compression rectangle resonator, bandstop filter etc.
Material electromagnetic parameter research test system carrys out the equivalent electromagnetic property research for replacing simulating material under high power environment.System is introduced
Compression resonator stronger electric-field intensity can be obtained at compression, this is favourable in the case of equal size exciting power
In the low-power source simulation high power environmental experiment with lower cost.Meanwhile, electromagnetic field inside compression rectangular cavity by
Excitation port individually injects microwave signal, and this is beneficial to exclude influence of the exciting power signal injection resonator for test, button
The influence come except traditional exciting power signal and measured power signal with frequency band.The centre frequency of bandstop filter and excitation
Power signal is conducive to preventing exciting power signal to be coupled to test lead, can reduce exciting power signal excessive and right with frequency
Measured power signal produces influence.
It is preferred that, the method for testing further comprises following steps：Signal source provides exciting power signal and led to
Cross the first sub-miniature A connector and compression resonator is injected in the form of electric probe, so that the corresponding mode of resonance of compression resonator is encouraged,
Strong-electromagnetic field is produced at compression；Test signal is exported by vector network analyzer passes through first after the first bandstop filter
Coupling ring is coupled into compression resonator, is coupled out resonator finally by the second coupling ring test signal, is coupled out
Test signal, into vector network analyzer, finally obtains test resonance curve by the second bandstop filter；By detected materials
It is put into and is placed on after quartz ampoule at the compression of compression resonator, obtain corresponding resonance curve, then changes the defeated of signal source
The electromagnetic field intensity gone out at watt level, compression will change, and obtaining different size by vector network analyzer encourages work(
Under rate, the resonance curve change that vector network analyzer is obtained, by the change of resonance curve to material in different electromagnetic field ring
Microwave dielectric property under border carries out testing research.
Beneficial effects of the present invention are：First, compression resonator can be realized real with low-power source simulation high power environment
Test, greatly reduce the cost that experimental study is directly carried out using high-powered sources；2nd, the introducing of bandstop filter to encourage work(
Rate signal and measured power signal are separated, and this can deduct experiment test research error, improve the confidence level of testing research result；
3rd, the system can realize the quick testing research of small sample multifrequency point, shorten the microwave applied in High Power Microwave System
The material development cycle.
Brief description of the drawings
Fig. 1 is the structural representation of the system.
Wherein, 1 it is compression resonator, 2 be signal source, 3 be the first sub-miniature A connector, 4 be electric probe, 5 is detected materials, 6
It is quartz ampoule, 7 be vector network analyzer, 8 be the first bandstop filter, 9 be the second sub-miniature A connector, 10 is the first coupling ring, 11
Be the second coupling ring, 12 be the 3rd sub-miniature A connector, 13 be the second bandstop filter, 14 be vector network analyzer output port,
15 be the input port of vector network analyzer, 16 be the A ports of the first bandstop filter, 17 be the first bandstop filter B
Port, 18 be the A ports of the second bandstop filter, 19 be the second bandstop filter B ports.
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through specific realities different in addition
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
As illustrated, a kind of strong-electromagnetic field environmentally conscious materialses microwave dielectric property research test system, including three parts：
Compression resonator driver unit A：Including signal source 2, the pumping signal to provide different capacity size changes
Electromagnetic field intensity in resonator；
Resonator system part B：Including compression resonator 1, the first sub-miniature A connector 3, the second sub-miniature A connector 9, the 3rd sub-miniature A connector
12nd, electric probe 4, the first coupling ring 10 and the second coupling ring 11, ring of the compression resonator 1 needed for provide system resonance
Border, the first sub-miniature A connector 3 and electric probe 4 inject intra resonant cavity, the second sub-miniature A connector to the pumping signal for allowing signal source 2 to provide
9th, the resonant parameter curve of the first coupling ring 10, the second coupling ring 11, the 3rd sub-miniature A connector 12 to extract resonator；
Microwave resonance parameter extraction portion C：Including the first bandstop filter 8, the second bandstop filter 13, vector network point
The effect of analyzer 7, wherein bandstop filter is to suppress pumping signal to be coupled to vector network analyzer 7, vector network analyzer 7
The microwave dielectric property of material becomes under microwave resonance parameter curve to show extraction, ultimate analysis different electromagnetic field intensity
Change；
Signal source 2 is provided exciting power signal and compression resonator 1 is injected in the form of electric probe 4 by sub-miniature A connector 3,
The output port 14 of vector network analyzer is connected with the A ports 16 of the first bandstop filter, the B ports of the first bandstop filter
17 are connected with the second sub-miniature A connector 9, and the 3rd sub-miniature A connector 12 is connected with the A ports 18 of the second bandstop filter, the second bandreject filtering
The B ports 19 of device are connected with the input port 15 of vector network analyzer, and the quartz ampoule 6 equipped with detected materials 5 is placed on compression
At the compression of formula resonator 1.
Specifically, the compression resonator is compression rectangular cavity.
The method that microwave dielectric property research test is carried out using said system, introduces compression resonator in resonator
Strong-electromagnetic field is produced at compression, the exciting power signal of system is separately injected into resonator, and the bandstop filter of introducing causes excitation
Power signal and measured power signal are separated, and the centre frequency and exciting power signal of bandstop filter are with frequency, compression resonance
The exciting power signal and measured power signal of chamber encourage and extracted microwave resonance parameter by different ports.
The system will set up a kind of strong-electromagnetic field environmentally conscious materialses by using compression rectangle resonator, bandstop filter etc.
Electromagnetic parameter research test system carrys out the equivalent electromagnetic property research for replacing simulating material under high power environment.The pressure that system is introduced
Contracting formula resonator can obtain stronger electric-field intensity in the case of equal size exciting power at compression, and this is conducive to using
The low-power source simulation high power environmental experiment of lower cost.Meanwhile, the electromagnetic field inside compression rectangular cavity is by encouraging
Microwave signal is individually injected in port, and this is beneficial to exclude influence of the exciting power signal injection resonator for test, deducts
The influence that traditional exciting power signal and measured power signal comes with frequency band.The centre frequency and exciting power of bandstop filter
Signal with frequency, is conducive to preventing exciting power signal to be coupled to test lead, can reduce exciting power signal it is excessive and to test
Power signal produces influence.
The method that microwave dielectric property research test is carried out using said system, be specially：Signal source 2 provides exciting power
Signal injects compression resonator 1 by the first sub-miniature A connector 3 in the form of electric probe 4, so as to encourage the phase of compression resonator 1
Mode of resonance is answered, strong-electromagnetic field is produced at compression；Test signal is exported by the first bandreject filtering by vector network analyzer 7
Compression resonator is coupled into by the first coupling ring 10 after device 8, is then coupled by the test signal of the second coupling ring 11
Go out resonator, the test signal being coupled out enters vector network analyzer 7 by the second bandstop filter 13, is finally tested
Resonance curve；Detected materials 5 are put into after quartz ampoule 6 and are placed at the compression of compression resonator 1, corresponding resonance are obtained bent
Line, then changing the electromagnetic field intensity at the power output size of signal source 2, compression will change, and pass through vector network point
Analyzer is obtained under different size exciting power, the resonance curve change that vector network analyzer is obtained, and passes through the change of resonance curve
Testing research can be carried out to microwave dielectric property of the material under different electromagnetic field environment by changing.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, all those of ordinary skill in the art without departing from disclosed spirit with being completed under technological thought
All equivalent modifications or change, should by the present invention claim be covered.
Claims (4)
1. a kind of strong-electromagnetic field environmentally conscious materialses microwave dielectric property studies test system, it is characterised in that including three parts：
Compression resonator driver unit A：Including signal source (2), the pumping signal to provide different capacity size changes humorous
The electromagnetic field intensity for intracavitary of shaking；
Resonator system part B：Connect including compression resonator (1), the first sub-miniature A connector (3), the second sub-miniature A connector (9), the 3rd SMA
Head (12), electric probe (4), the first coupling ring (10) and the second coupling ring (11), compression resonator (1) are humorous to provide system
Shake required environment, and the first sub-miniature A connector (3) and electric probe (4) inject resonator to the pumping signal for allowing signal source (2) to provide
Inside, the second sub-miniature A connector (9), the first coupling ring (10), the second coupling ring (11), the 3rd sub-miniature A connector (12) are to extract resonance
The resonant parameter curve of chamber；
Microwave resonance parameter extraction portion C：Including the first bandstop filter (8), the second bandstop filter (13), vector network point
Analyzer (7), the effect of wherein bandstop filter is to suppress pumping signal to be coupled to vector network analyzer (7), vector network point
The micro-wave dielectric of material under microwave resonance parameter curve of the analyzer (7) to show extraction, ultimate analysis different electromagnetic field intensity
Characteristic variations；
Signal source (2) is provided exciting power signal and compression resonator is injected in the form of electric probe (4) by sub-miniature A connector (3)
(1), the output port (14) of vector network analyzer is connected with the A ports (16) of the first bandstop filter, the first bandreject filtering
The B ports (17) of device are connected with the second sub-miniature A connector (9), the A ports (18) of the 3rd sub-miniature A connector (12) and the second bandstop filter
It is connected, the B ports (19) of the second bandstop filter are connected with the input port (15) of vector network analyzer, equipped with detected materials
(5) quartz ampoule (6) is placed at the compression of compression resonator (1).
2. a kind of strong-electromagnetic field environmentally conscious materialses microwave dielectric property research test system according to claim 1, its feature
It is：The compression resonator is compression rectangular cavity.
3. the strong-electromagnetic field environmentally conscious materialses microwave dielectric property described in a kind of claim 1 studies the method for testing of test system,
It is characterized in that：Introduce compression resonator and strong-electromagnetic field is produced at the compression of resonator, system incentive power signal is independent
Resonator is injected, bandstop filter is introduced and exciting power signal and measured power signal is separated, the center of bandstop filter
Frequency and exciting power signal are with frequency, and the exciting power signal and measured power signal of compression resonator pass through different ports
Excitation and extraction microwave resonance parameter.
4. strong-electromagnetic field environmentally conscious materialses microwave dielectric property according to claim 1 or 2 studies the test side of test system
Method, it is characterised in that comprise the following steps：Signal source (2) provides exciting power signal by the first sub-miniature A connector (3) with electric probe
(4) form injection compression resonator (1), so as to encourage the corresponding mode of resonance of compression resonator (1), is produced at compression
Strong-electromagnetic field；Test signal is exported by vector network analyzer (7) passes through the first coupling ring after the first bandstop filter (8)
(10) compression resonator is coupled into, resonator is coupled out finally by the second coupling ring (11) test signal, is coupled out
Test signal by the second bandstop filter (13), into vector network analyzer (7), finally obtain test resonance curve；
It is placed on after detected materials (5) are put into quartz ampoule (6) at the compression of compression resonator (1), obtains corresponding resonance curve,
Then changing the electromagnetic field intensity at the power output size of signal source (2), compression will change, and pass through vector network analysis
Instrument can be obtained under different exciting powers, the resonance curve change that vector network analyzer is obtained, and pass through the change of resonance curve
Testing research is carried out to microwave dielectric property of the material under different electromagnetic field environment.
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Cited By (6)
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| CN108169562A (en) * | 2018-02-06 | 2018-06-15 | 南京大学 | A kind of device and method for changing mechanical vibrator frequency in real time using microwave |
| CN109917191A (en) * | 2019-02-18 | 2019-06-21 | 中电科仪器仪表有限公司 | A kind of fission resonant cavity coupling ring installation adjusting device |
| CN110308328A (en) * | 2019-07-22 | 2019-10-08 | 中国电子科技集团公司第三十八研究所 | The measurement and appraisal procedure and system that process level error influences microwave system standing-wave ratio |
| CN111180848A (en) * | 2020-02-19 | 2020-05-19 | 南京大学 | Device and method for realizing compact adjustable microwave resonator by NbN dynamic inductor |
| CN111916878A (en) * | 2020-08-12 | 2020-11-10 | 电子科技大学 | Strong coupling device for coupling ring of microwave resonant cavity |
| CN112444681A (en) * | 2020-11-30 | 2021-03-05 | 山东国瓷功能材料股份有限公司 | Dielectric material testing system, method, device and platform |
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| CN109917191A (en) * | 2019-02-18 | 2019-06-21 | 中电科仪器仪表有限公司 | A kind of fission resonant cavity coupling ring installation adjusting device |
| CN109917191B (en) * | 2019-02-18 | 2022-02-25 | 中电科思仪科技股份有限公司 | Installation and adjustment device for split resonant cavity coupling ring |
| CN110308328A (en) * | 2019-07-22 | 2019-10-08 | 中国电子科技集团公司第三十八研究所 | The measurement and appraisal procedure and system that process level error influences microwave system standing-wave ratio |
| CN110308328B (en) * | 2019-07-22 | 2021-03-23 | 中国电子科技集团公司第三十八研究所 | Method and system for measuring and evaluating influence of process-level errors on standing-wave ratio of microwave system |
| CN111180848A (en) * | 2020-02-19 | 2020-05-19 | 南京大学 | Device and method for realizing compact adjustable microwave resonator by NbN dynamic inductor |
| CN111180848B (en) * | 2020-02-19 | 2024-04-30 | 南京大学 | Device and method for realizing compact adjustable microwave resonator by NbN dynamic inductance |
| CN111916878A (en) * | 2020-08-12 | 2020-11-10 | 电子科技大学 | Strong coupling device for coupling ring of microwave resonant cavity |
| CN111916878B (en) * | 2020-08-12 | 2024-02-20 | 电子科技大学 | Strong coupling device for coupling ring of microwave resonant cavity |
| CN112444681A (en) * | 2020-11-30 | 2021-03-05 | 山东国瓷功能材料股份有限公司 | Dielectric material testing system, method, device and platform |
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Application publication date: 20170926 |