CN106556755A - A kind of microwave converter input isolation test and system - Google Patents
A kind of microwave converter input isolation test and system Download PDFInfo
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- CN106556755A CN106556755A CN201610907189.1A CN201610907189A CN106556755A CN 106556755 A CN106556755 A CN 106556755A CN 201610907189 A CN201610907189 A CN 201610907189A CN 106556755 A CN106556755 A CN 106556755A
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- 238000012360 testing method Methods 0.000 title claims abstract description 113
- 238000002955 isolation Methods 0.000 title claims abstract description 85
- 230000010287 polarization Effects 0.000 claims abstract description 140
- 230000008054 signal transmission Effects 0.000 claims abstract description 25
- 238000004088 simulation Methods 0.000 claims abstract description 6
- 238000001514 detection method Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The invention provides a kind of microwave converter is input into isolation test, it is related to isolation degree test technical field.Wherein method includes：Radiofrequency signal in the range of simulation Devices to test working frequency range is generated by signal generator, and by radio signal transmission to electric bridge；Radiofrequency signal exports the first polarization port to Network Analyzer and Devices to test Jing after electric bridge process；Devices to test is by the second polarization port by the radio signal transmission leaked into from the first polarization port in the second polarization port to Network Analyzer；Network Analyzer calculates the input isolation between the first polarization port and the second polarization port according to the radiofrequency signal of the second of Devices to test the polarization port output and the radiofrequency signal of electric bridge output.The present invention can accurately test out the input isolation of microwave converter product, provide data reference for research and development of products debugging, improve the competitiveness of product with product performance and comprehensive test higher than level of the same trade.
Description
Technical field
The invention belongs to isolation degree test technical field, more particularly to a kind of microwave converter input isolation test and
System.
Background technology
With the development of science and technology, microwave converter industry is also more and more, competes also more and more fierce.At present, it is micro-
Ripple frequency converter generally comprises multi-frequency multichannel, and more frequency ranges so can be marked off in limited spectral range to difference
Operator.However, part microwave converter product may be isolated because of the input between each passage at some Frequency points
Effect is bad, causes no signal and affects to use, and so as to have impact on Consumer's Experience, serious meeting affects product in the industry competing
Strive advantage.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of microwave converter to be input into isolation test, it is intended to solved above-mentioned
Part microwave converter product may be bad because of the input isolation effect between each passage at some Frequency points, causes nothing
Signal and affect to use, so as to have impact on Consumer's Experience, serious meeting affects the problem of product competitive advantage in the industry.
The embodiment of the present invention is achieved in that a kind of microwave converter input isolation test, including：
Radiofrequency signal in the range of simulation Devices to test working frequency range is generated by signal generator, and the radio frequency is believed
Number transmit to electric bridge；
The radiofrequency signal exports first to the Network Analyzer and the Devices to test described in after electric bridge is processed
Polarization port；
The Devices to test will leak into the second polarization port from the described first polarization port by the second polarization port
In radio signal transmission to the Network Analyzer；
Radiofrequency signal and the electric bridge of the Network Analyzer according to the second of the Devices to test the polarization port output
The radiofrequency signal of output calculates the input isolation between the first polarization port and the second polarization port.
On the basis of above-mentioned technical proposal, the Network Analyzer is defeated according to the second of the Devices to test the polarization port
The radiofrequency signal for going out and the electric bridge output radiofrequency signal calculate it is described first polarization port and second polarization port it
Between input isolation specifically include：
Obtain the first power and the electric bridge output of the radiofrequency signal of the second polarization port output of the Devices to test
Radiofrequency signal the second power, calculate the ratio of first power and second power, the ratio is described the
Input isolation between one polarization port and the second polarization port.
On the basis of above-mentioned technical proposal, the Devices to test will be from the described first polarization end by the second polarization port
The radio signal transmission leaked in the second polarization port in mouthful also includes to before the Network Analyzer：
Radiofrequency signal to the second polarization port is leaked into from the described first polarization port carries out high frequency detection, judges
Whether the frequency of the radiofrequency signal is in the range of predeterminated frequency；
If in the range of predeterminated frequency, will be processed in the radio signal transmission to the Network Analyzer.
On the basis of above-mentioned technical proposal, the predeterminated frequency scope is 10MHZ～18GHZ.
On the basis of above-mentioned technical proposal, radiofrequency signal that the Network Analyzer is exported according to the electric bridge and described
Devices to test second polarization port output radiofrequency signal calculate it is described first polarization port and second polarization port it
Between input isolation after also include：
Judge whether the input isolation is meeting default isolation standard；
If not meeting default isolation standard, tester is pointed out.
The another object of the embodiment of the present invention is to provide a kind of microwave converter to be input into isolation test system, including signal
Generator, electric bridge, Devices to test and Network Analyzer, the Devices to test include the first polarization port and the second polarization end
Mouthful, the signal generator is connected with the input of the electric bridge, and the output end of the electric bridge is connected to the Network Analyzer
First input end and the determinand first polarization port, the determinand second polarization port be connected to the network
Second input port of analyzer, wherein：
The signal generator, for generating the radiofrequency signal in the range of Devices to test working frequency range, and by the radio frequency
Signal transmission is to electric bridge；
The electric bridge, for after processing to the radiofrequency signal radiofrequency signal being exported to the network analysis
First polarization port of instrument and the Devices to test；
The Devices to test, for the second polarization will be leaked into from the described first polarization port by the second polarization port
Radio signal transmission in port is to the Network Analyzer；
The Network Analyzer, for the radiofrequency signal and described according to the second of the Devices to test the polarization port output
The radiofrequency signal of electric bridge output calculates the input isolation between the first polarization port and the second polarization port.
On the basis of above-mentioned technical proposal, the Network Analyzer specifically for：
Obtain the first power and the electric bridge output of the radiofrequency signal of the second polarization port output of the Devices to test
Radiofrequency signal the second power, calculate the ratio of first power and second power, the ratio is described the
Input isolation between one polarization port and the second polarization port.
On the basis of above-mentioned technical proposal, also including be connected to it is described second polarization port and the Network Analyzer it
Between rectifier, wherein：
The rectifier, for the radio frequency letter to the second polarization port is leaked into from the described first polarization port
Number high frequency detection is carried out, judge the frequency of the radiofrequency signal whether in the range of predeterminated frequency；If in the range of predeterminated frequency,
Then will be processed in the radio signal transmission to the Network Analyzer.
On the basis of above-mentioned technical proposal, the predeterminated frequency scope is 10MHZ～18GHZ.
On the basis of above-mentioned technical proposal, the Network Analyzer is additionally operable to：
Judge whether the input isolation is meeting default isolation standard；
If not meeting default isolation standard, tester is pointed out.
Implement a kind of microwave converter input isolation test provided in an embodiment of the present invention and system has and following has
Beneficial effect：
The embodiment of the present invention generates the radiofrequency signal in the range of simulation Devices to test working frequency range by signal generator, and
By the radio signal transmission to electric bridge；The radiofrequency signal is exported to the Network Analyzer and institute after electric bridge is processed described in
State the first polarization port of Devices to test；The Devices to test will be let out from the described first polarization port by the second polarization port
The radio signal transmission in the second polarization port is drained to the Network Analyzer；The Network Analyzer to be measured is set according to described
The standby radiofrequency signal of the second polarization port output and the radiofrequency signal of electric bridge output calculate the first polarization end
Input isolation between mouth and the second polarization port, such that it is able to accurately test out the input isolation of microwave converter product
Degree, provides data reference for research and development of products debugging, higher than level of the same trade, improves and produces with product performance and comprehensive test
The competitiveness of product.
Description of the drawings
Fig. 1 is the schematic flow diagram that a kind of microwave converter provided in an embodiment of the present invention is input into isolation test；
Fig. 2 is the exemplary flow that a kind of microwave converter that another embodiment of the present invention is provided is input into isolation test
Figure；
Fig. 3 is the property the shown block diagram that a kind of microwave converter provided in an embodiment of the present invention is input into isolation test system；
Fig. 4 is the schematic frame that a kind of microwave converter that another embodiment of the present invention is provided is input into isolation test system
Figure.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.
Fig. 1 is the schematic flow diagram that a kind of microwave converter provided in an embodiment of the present invention is input into isolation test.Ginseng
As shown in Figure 1, the method may comprise steps of：
In S101, the radiofrequency signal in the range of simulation Devices to test working frequency range is generated by signal generator, and will
The radio signal transmission is to electric bridge.
In the present embodiment, the Devices to test includes horizontal and vertical two polarization ports, in the present embodiment with first,
Second come distinguish above-mentioned two polarization port.Further, in the present embodiment, the signal generator can produce 0～20GHZ
Radiofrequency signal in band limits.
In S102, the radiofrequency signal is exported after electric bridge is processed described in the Network Analyzer and described to be measured is set
The first standby polarization port.
In the present embodiment, as the radio frequency signal frequency range of receiving of normal microwave converter product Devices to test is
10.7～12.75GHZ, it is therefore desirable to frequency conversion is carried out to the radiofrequency signal that the signal generator is exported by the electric bridge,
The radiofrequency signal is converted to into the signal that the Devices to test can be in receives frequency unit, further, the electric bridge turns
Frequency is changed for 10M～18GHZ；Radio frequency after conversion can be believed after frequency conversion is carried out to the radiofrequency signal by the electric bridge
Number it is divided into two-way, the input signal as Devices to test is transmitted to the first polarization port of the Devices to test, Ling Yilu all the way
As test reference signal transmission to the Network Analyzer.
In S103, the Devices to test will leak into second from the described first polarization port by the second polarization port
Radio signal transmission in polarization port is to the Network Analyzer.
In the present embodiment, due to various factors, be input into Devices to test first polarize port radiofrequency signal may
There is part to be leaked to the second polarization port of the Devices to test, therefore, by the second polarization port connection of the Devices to test
To the Network Analyzer, and by described second polarization port by reveal radio signal transmission to the Network Analyzer.
In S104, the Network Analyzer according to the second of the Devices to test polarization port output radiofrequency signal and
The radiofrequency signal of the electric bridge output calculates the input isolation between the first polarization port and the second polarization port.
In the present embodiment, by the Network Analyzer is according to the test reference signal for receiving and leaks into described second
The radiofrequency signal of polarization port is calculated the isolation between two polarization ports, specifically：
The Network Analyzer obtains the first power of the radiofrequency signal of the second polarization port output of the Devices to test
With the second power of the radiofrequency signal of electric bridge output, the ratio of first power and second power is calculated, it is described
Ratio is the input isolation between the first polarization port and the second polarization port.So tester just can be with
Judge whether the input isolation effect of Devices to test is up to standard, is product according to the isolation between two polarization ports of Devices to test
Research and development debugging provides data reference.
To sum up, it can be seen that a kind of microwave converter input isolation test that the present embodiment is provided is produced by signal
Raw device generates the radiofrequency signal in the range of simulation Devices to test working frequency range, and by the radio signal transmission to electric bridge；It is described
Radiofrequency signal exports the first polarization port to the Network Analyzer and the Devices to test described in after electric bridge is processed；It is described
The radiofrequency signal that Devices to test will be leaked in the second polarization port from the described first polarization port by the second polarization port
Transmit to the Network Analyzer；Radio frequency letter of the Network Analyzer according to the second of the Devices to test the polarization port output
Number and the electric bridge output radiofrequency signal calculate it is described first polarization port and second polarization port between input every
From degree, such that it is able to accurately test out microwave converter product input isolation, data reference is provided for research and development of products debugging,
The competitiveness of product is improved with product performance and comprehensive test higher than level of the same trade.
Fig. 2 is the exemplary flow that a kind of microwave converter that another embodiment of the present invention is provided is input into isolation test
Figure.It is shown in Figure 2, relative to a upper embodiment, a kind of microwave converter input isolation test that the present embodiment is provided,
Penetrating in the second polarization port will be leaked into from the described first polarization port by the second polarization port in the Devices to test
Frequency signal transmission also includes to before the Network Analyzer：
In S203, the radiofrequency signal to the second polarization port is leaked into from the described first polarization port carries out high frequency
Whether detection, judge the frequency of the radiofrequency signal in the range of predeterminated frequency；If in the range of predeterminated frequency, penetrating described
Frequency signal transmission is processed into the Network Analyzer.
In the present embodiment, the radiofrequency signal for being input into Network Analyzer is carried out at detection using the rectifier
Reason, is processed during Network Analyzer is only just transmitted it to when the frequency of the radiofrequency signal is in preset range, when
When the frequency of the radiofrequency signal exceeds the preset range, then give up the radiofrequency signal, can so protect network analysis
Instrument, it is to avoid high-frequency radiofrequency signal causes to damage to network analyzer.Further, in the present embodiment, the default frequency
Rate scope is 10MHZ～18GHZ.
Further, relative to a upper embodiment, in the present embodiment, exported according to the electric bridge in the Network Analyzer
Radiofrequency signal and the Devices to test second polarization port output radiofrequency signal calculate it is described first polarization port
And second polarization port between input isolation after also include：
In S206, judge whether the input isolation is meeting default isolation standard；
In S207, if not meeting default isolation standard, tester is pointed out.
In the present embodiment, due to, after the input isolation between two polarization ports of the Devices to test is obtained, entering
Which is compared with default isolation standard by one step by Network Analyzer, judges whether which meets default isolation standard,
And tester is reminded when which does not meet default isolation standard, so set without the need for tester's artificial judgment is to be measured
Whether standby input isolation effect meets default isolation standard, has further facilitated the operating procedure for simplifying tester, has carried
High testing efficiency.
It should be noted that the reality of step S201～step S201 and step S204～step S205 in the present embodiment
Existing mode due to identical with step S101 in embodiment illustrated in fig. 1～step S104, therefore, will not be described here.
Above as can be seen that a kind of microwave converter input isolation test that the present embodiment is provided equally can be accurate
Test out microwave converter product input isolation, provides data reference for research and development of products debugging, with product performance and entirely
Higher than level of the same trade during Azimuth testing, the competitiveness of product is improved；Also, relative to a upper embodiment, the present embodiment also leads to
Cross high frequency detection protection Network Analyzer, it is to avoid Network Analyzer is due to receiving high-frequency radiofrequency signal and asking for damaging
Topic；Further, it is also possible to can be carried to tester when the input isolation of Devices to test does not meet preset standard automatically
Show, further simplify the operating procedure of tester, improve testing efficiency.
Fig. 3 is that a kind of microwave converter provided in an embodiment of the present invention is input into isolation test system, for convenience of description only
Illustrate only part related to the present embodiment.
It is shown in Figure 3, a kind of microwave converter input isolation test system that the present embodiment is provided, including signal generation
Device 1, electric bridge 2, Devices to test 3 and Network Analyzer 4, the Devices to test 3 include the first polarization port and the second polarization end
Mouthful, the signal generator 1 is connected with the input of the electric bridge 2, and the output end of the electric bridge 2 is connected to the network analysis
First polarization port 31 of the first input end of instrument 4 and the determinand, the second polarization port 32 of the determinand are connected to
Second input port of the Network Analyzer 4, wherein：
The signal generator 1, for generating the radiofrequency signal in the range of 3 working frequency range of Devices to test, and penetrates described
Frequency signal transmission is to electric bridge 2；
The electric bridge 2, for after processing to the radiofrequency signal radiofrequency signal being exported to the network point
First polarization port 31 of analyzer 4 and the Devices to test 3；
The Devices to test 3, for the will be leaked into from the described first polarization port 31 by the second polarization port 32
Radio signal transmission in two polarization ports 32 is to the Network Analyzer 4；
The Network Analyzer 4, for according to the second of the Devices to test 3 polarization port 32 output radiofrequency signal and
The radiofrequency signal of the output of the electric bridge 2 calculate input between the first polarization port 31 and the second polarization port 32 every
From degree.
Optionally, the Network Analyzer 4 specifically for：
Obtain first power and the electric bridge 2 of the radiofrequency signal of the second polarization port 32 output of the Devices to test 3
Second power of the radiofrequency signal of output, calculates the ratio of first power and second power, and the ratio is institute
State the input isolation between the first polarization port 31 and the second polarization port 32.
Optionally, shown in Figure 4, in another embodiment, the microwave converter input isolation test system is also wrapped
The rectifier being connected between the second polarization port 32 and the Network Analyzer 4 is included, wherein：
The rectifier, for leaking into penetrating for the second polarization port 32 from the described first polarization port 31
Whether frequency signal carries out high frequency detection, judge the frequency of the radiofrequency signal in the range of predeterminated frequency；If in predeterminated frequency model
In enclosing, then will be processed in the radio signal transmission to the Network Analyzer 4.
Optionally, the predeterminated frequency scope is 10MHZ～18GHZ.
Optionally, the Network Analyzer 4 is additionally operable to：
Judge whether the input isolation is meeting default isolation standard；
If not meeting default isolation standard, tester is pointed out.
It should be noted that the unit in the terminal of the present embodiment offer is as the inventive method embodiment is based on same
One design, the technique effect which brings are identical with the inventive method embodiment, and particular content can be found in the inventive method embodiment
In narration, here is omitted.
Thus, it will be seen that microwave converter input isolation test system provided in an embodiment of the present invention equally can be with standard
True tests out microwave converter product input isolation, provides data reference for research and development of products debugging, with product performance and
Higher than level of the same trade during comprehensive test, the competitiveness of product is improved.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of microwave converter is input into isolation test, it is characterised in that include：
Radiofrequency signal in the range of simulation Devices to test working frequency range is generated by signal generator, and the radiofrequency signal is passed
Transport to electric bridge；
The radiofrequency signal exports the first polarization to the Network Analyzer and the Devices to test described in after electric bridge is processed
Port；
The Devices to test will be leaked in the second polarization port from the described first polarization port by the second polarization port
Radio signal transmission is to the Network Analyzer；
Radiofrequency signal and electric bridge output of the Network Analyzer according to the second of the Devices to test the polarization port output
Radiofrequency signal calculate it is described first polarization port and second polarization port between input isolation.
2. microwave converter as claimed in claim 1 is input into isolation test, it is characterised in that the Network Analyzer root
Institute is calculated according to the radiofrequency signal of the second polarization port output and the radiofrequency signal of electric bridge output of the Devices to test
The input isolation stated between the first polarization port and the second polarization port is specifically included：
Obtain the first power of radiofrequency signal and the penetrating for electric bridge output of the second polarization port output of the Devices to test
Second power of frequency signal, calculates the ratio of first power and second power, and the ratio is first pole
Change the input isolation between port and the second polarization port.
3. microwave converter as claimed in claim 1 is input into isolation test, it is characterised in that the Devices to test passes through
Second polarization port is by the radio signal transmission leaked into from the described first polarization port in the second polarization port to the net
Also include before network analyzer：
Radiofrequency signal to the second polarization port is leaked into from the described first polarization port carries out high frequency detection, judges described
Whether the frequency of radiofrequency signal is in the range of predeterminated frequency；
If in the range of predeterminated frequency, will be processed in the radio signal transmission to the Network Analyzer.
4. microwave converter as claimed in claim 3 is input into isolation test, it is characterised in that the predeterminated frequency scope
For 10MHZ～18GHZ.
5. microwave converter as claimed in claim 1 is input into isolation test, it is characterised in that the Network Analyzer root
The radiofrequency signal of the second polarization port output of the radiofrequency signal and the Devices to test that export according to the electric bridge calculates institute
Also include after stating the input isolation between the first polarization port and the second polarization port：
Judge whether the input isolation is meeting default isolation standard；
If not meeting default isolation standard, tester is pointed out.
6. a kind of microwave converter is input into isolation test system, it is characterised in that including signal generator, electric bridge, Devices to test
And Network Analyzer, the Devices to test includes the first polarization port and the second polarization port, the signal generator and institute
State the input connection of electric bridge, the output end of the electric bridge is connected to the first input end of the Network Analyzer and described to be measured
First polarization port of thing, the second polarization port of the determinand are connected to the second input port of the Network Analyzer,
Wherein：
The signal generator, for generating the radiofrequency signal in the range of Devices to test working frequency range, and by the radiofrequency signal
Transmit to electric bridge；
The electric bridge, for the radiofrequency signal being exported to the Network Analyzer after processing to the radiofrequency signal and
First polarization port of the Devices to test；
The Devices to test, for the second polarization port will be leaked into from the described first polarization port by the second polarization port
In radio signal transmission to the Network Analyzer；
The Network Analyzer, for radiofrequency signal and the electric bridge according to the second of the Devices to test the polarization port output
The radiofrequency signal of output calculates the input isolation between the first polarization port and the second polarization port.
7. microwave converter as claimed in claim 6 is input into isolation test system, it is characterised in that the Network Analyzer tool
Body is used for：
Obtain the first power of radiofrequency signal and the penetrating for electric bridge output of the second polarization port output of the Devices to test
Second power of frequency signal, calculates the ratio of first power and second power, and the ratio is first pole
Change the input isolation between port and the second polarization port.
8. microwave converter as claimed in claim 6 is input into isolation test system, it is characterised in that also described including being connected to
Rectifier between second polarization port and the Network Analyzer, wherein：
The rectifier, enters for the radiofrequency signal to the second polarization port is leaked into from the described first polarization port
Whether row high frequency detection, judge the frequency of the radiofrequency signal in the range of predeterminated frequency；If in the range of predeterminated frequency, will
The radio signal transmission is processed into the Network Analyzer.
9. microwave converter as claimed in claim 8 is input into isolation test system, it is characterised in that the predeterminated frequency scope
For 10MHZ～18GHZ.
10. microwave converter as claimed in claim 6 is input into isolation test system, it is characterised in that the Network Analyzer
It is additionally operable to：
Judge whether the input isolation is meeting default isolation standard；
If not meeting default isolation standard, tester is pointed out.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610907189.1A CN106556755B (en) | 2016-10-17 | 2016-10-17 | A kind of microwave converter input isolation test and system |
| PCT/CN2017/087887 WO2018072458A1 (en) | 2016-10-17 | 2017-06-12 | Microwave converter input isolation testing method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610907189.1A CN106556755B (en) | 2016-10-17 | 2016-10-17 | A kind of microwave converter input isolation test and system |
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| Publication Number | Publication Date |
|---|---|
| CN106556755A true CN106556755A (en) | 2017-04-05 |
| CN106556755B CN106556755B (en) | 2019-05-03 |
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|---|---|---|---|
| CN201610907189.1A Expired - Fee Related CN106556755B (en) | 2016-10-17 | 2016-10-17 | A kind of microwave converter input isolation test and system |
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| CN (1) | CN106556755B (en) |
| WO (1) | WO2018072458A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018072458A1 (en) * | 2016-10-17 | 2018-04-26 | 华讯方舟科技有限公司 | Microwave converter input isolation testing method and system |
| CN112798862A (en) * | 2020-12-30 | 2021-05-14 | 清远市天之衡传感科技有限公司 | Network analyzer measuring device and system |
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| CN101944924A (en) * | 2010-09-30 | 2011-01-12 | 东南大学 | Broadband MIMO radio frequency transceiving system for next-generation wireless communication network |
| US20140346998A1 (en) * | 2011-12-07 | 2014-11-27 | Kd Elektroniksysteme Gmbh | Asynchronous motor unit comprising a frequency converter with electrical isolation in the dc voltage intermediate circuit |
| CN202444494U (en) * | 2012-02-13 | 2012-09-19 | 华为技术有限公司 | Antenna testing system |
| CN105991092A (en) * | 2015-01-29 | 2016-10-05 | 西安电子科技大学 | Mixer simulation method and mixer simulation device |
| CN104865464A (en) * | 2015-04-28 | 2015-08-26 | 深圳市华讯方舟科技有限公司 | Quality testing method used on microwave frequency converter |
| CN105162535A (en) * | 2015-08-11 | 2015-12-16 | 上海原动力通信科技有限公司 | Isolation test device and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018072458A1 (en) * | 2016-10-17 | 2018-04-26 | 华讯方舟科技有限公司 | Microwave converter input isolation testing method and system |
| CN112798862A (en) * | 2020-12-30 | 2021-05-14 | 清远市天之衡传感科技有限公司 | Network analyzer measuring device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106556755B (en) | 2019-05-03 |
| WO2018072458A1 (en) | 2018-04-26 |
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