CN107144417B - A kind of test method and system of waveguide coaxial converter insertion loss - Google Patents
A kind of test method and system of waveguide coaxial converter insertion loss Download PDFInfo
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- CN107144417B CN107144417B CN201710343219.5A CN201710343219A CN107144417B CN 107144417 B CN107144417 B CN 107144417B CN 201710343219 A CN201710343219 A CN 201710343219A CN 107144417 B CN107144417 B CN 107144417B
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
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Abstract
The invention discloses the test methods and system of a kind of waveguide coaxial converter insertion loss.Wherein, waveguide coaxial converter to be tested rectangular waveguide interface having the same, the quantity of waveguide coaxial converter to be tested are at least three；The test method of waveguide coaxial converter insertion loss including respectively concatenating waveguide coaxial converter to be tested in pairs by rectangular waveguide interface, and records the whole insertion loss for the waveguide coaxial converter in pairs surveyed；Obtain the relation equation group for being actually inserted into loss with the whole insertion loss for the waveguide coaxial converter in pairs surveyed of each waveguide coaxial converter to be tested；Above-mentioned relation equation group is solved, and then obtain each waveguide coaxial converter to be tested is actually inserted into loss.
Description
Technical field
The invention belongs to waveguide coaxial converter field more particularly to a kind of tests of waveguide coaxial converter insertion loss
Method and system.
Background technique
One end interface of waveguide coaxial converter be coaxial connector, an end interface be rectangular waveguide, it can be achieved that coaxial line with
Interconnection between rectangular waveguide.Waveguide coaxial converter two end interface is different, need to pairs of waveguide coaxial converter " back to
Back " test.Previous method is all based on " electrical length of two waveguide coaxial converters is identical " this hypothesis.It will be whole
The insertion loss of test is multiplied by 1/2, the insertion loss of as single waveguide coaxial converter.
Existing test method is based on " electrical length of two waveguide coaxial connecters is identical " this hypothesis.However, two
The waveguide coaxial converter of identical structure, insertion loss can also have small difference, and existing test method cannot be accurate
The insertion loss for calculating each waveguide coaxial converter, the waveguide coaxial converter of different types of structure can not be tested.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of test sides of waveguide coaxial converter insertion loss
Method, what this method can accurately calculate single waveguide coaxial converter is actually inserted into loss.
The test method of waveguide coaxial converter insertion loss of the invention, wherein waveguide coaxial converter to be tested
Rectangular waveguide interface having the same, the quantity of waveguide coaxial converter to be tested are at least three；
The test method of waveguide coaxial converter insertion loss, comprising:
Waveguide coaxial converter to be tested is concatenated in pairs by rectangular waveguide interface respectively, and records and to be surveyed
The whole insertion loss of waveguide coaxial converter in pairs；
Obtain the Waveguide coaxial in pairs for being actually inserted into loss with being surveyed of each waveguide coaxial converter to be tested
The relation equation group of the whole insertion loss of converter；
Above-mentioned relation equation group is solved, and then obtain each waveguide coaxial converter to be tested is actually inserted into loss.
Further, the entirety that the waveguide coaxial converter in pairs surveyed is recorded using vector network analyzer is inserted
Enter loss.
Wherein, vector network analyzer is bis- (or four) channels microwave receiver, can be used to handle to carry out automatic network
Transmitted wave and back wave amplitude and phase, and then be able to detect and record waveguide coaxial converter in pairs entirety insert
Enter loss.
Further, the whole insertion loss for the waveguide coaxial converter in pairs surveyed, which is equal to, to be surveyed in pairs
Waveguide coaxial converter is respectively actually inserted into the sum of loss.
The present invention also provides a kind of test macros of waveguide coaxial converter insertion loss.
A kind of test macro of waveguide coaxial converter insertion loss of the invention, waveguide coaxial converter to be tested are equal
Rectangular waveguide interface having the same, wherein the quantity of waveguide coaxial converter to be tested is at least three；
The test macro of the waveguide coaxial converter insertion loss, comprising:
Vector network analyzer is used to record the whole insertion damage for the waveguide coaxial converter in pairs surveyed respectively
Consumption；Wherein, waveguide coaxial converter device is concatenated in pairs by identical rectangular waveguide interface in pairs；And processor, it uses
The whole insertion loss of the waveguide coaxial converter in pairs come is transmitted in receiving the vector network analyzer, and then is obtained
The entirety for being actually inserted into loss with the waveguide coaxial converter in pairs surveyed of each waveguide coaxial converter to be tested
The relation equation group of insertion loss；Above-mentioned relation equation group is solved, each waveguide coaxial converter to be tested is finally obtained
It is actually inserted into loss.
Further, the whole insertion loss for the waveguide coaxial converter in pairs surveyed, which is equal to, to be surveyed in pairs
Waveguide coaxial converter is respectively actually inserted into the sum of loss.
Further, the processor is also connected with display, and the display is for showing each waveguide to be tested
Coaxial converter is actually inserted into loss.
Further, module is connected the vector network analyzer by wireless communication with processor.The present invention passes through nothing
Line communication module avoids the position limitation of modules unit in the test macro of waveguide coaxial converter insertion loss.
Further, the vector network analyzer is connected with processor by cable.
Further, the processor is also connected with memory.
Further, the processor is also connected with cloud server, and the cloud server is defeated for storage processor
Waveguide coaxial converter to be tested is actually inserted into loss each of out.
Compared with prior art, the beneficial effects of the present invention are:
(1) waveguide coaxial converter to be tested is respectively mounted identical interface by the present invention, respectively by waveguide to be tested
Coaxial converter is concatenated in pairs by identical rectangular waveguide interface, and records the waveguide coaxial connecter in pairs surveyed
The whole insertion loss of device obtains being actually inserted into loss and being surveyed in pairs for each waveguide coaxial converter to be tested
The relation equation group of the whole insertion loss of waveguide coaxial converter；Above-mentioned relation equation group is solved, and then can accurately be counted
Calculate the insertion loss of single waveguide coaxial converter.
(2) present invention can be tested for the waveguide coaxial converter of different types of structure, it is only necessary to be tested
Waveguide coaxial converter is mounted on identical rectangular waveguide interface.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the test method flow chart of waveguide coaxial converter insertion loss of the invention；
Fig. 2 is the test system structure schematic diagram of waveguide coaxial converter insertion loss of the invention.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Fig. 1 is the test method flow chart of waveguide coaxial converter insertion loss of the invention.
As shown in Figure 1, the test method of waveguide coaxial converter insertion loss of the invention, wherein waveguide to be tested
Coaxial converter rectangular waveguide interface having the same, the quantity of waveguide coaxial converter to be tested are at least three；
The test method of waveguide coaxial converter insertion loss, comprising:
Step 1: respectively waveguide coaxial converter to be tested being concatenated in pairs by rectangular waveguide interface, and recorded
The whole insertion loss for the waveguide coaxial converter in pairs surveyed；
In this step, the entirety for the waveguide coaxial converter in pairs surveyed is recorded using vector network analyzer
Insertion loss.
Wherein, vector network analyzer is bis- (or four) channels microwave receiver, can be used to handle to carry out automatic network
Transmitted wave and back wave amplitude and phase, and then be able to detect and record waveguide coaxial converter in pairs entirety insert
Enter loss.
The present embodiment is by taking the waveguide coaxial converter of three same-interfaces as an example below:
When test, measured piece is tested in pairs, and records the whole insertion loss surveyed every time.
If the insertion loss for the waveguide coaxial converter tested is respectively as follows: LA, LB, LC, the whole insertion of pairwise testing
Loss is respectively as follows: L1, L2, l3.
Step 2: obtaining the wave in pairs for being actually inserted into loss with being surveyed of each waveguide coaxial converter to be tested
The relation equation group of the whole insertion loss of guiding coaxial converter.
Wherein, the whole insertion loss for the waveguide coaxial converter in pairs surveyed is equal to the waveguide in pairs surveyed
Coaxial converter is respectively actually inserted into the sum of loss.
Obtained relation equation group are as follows:
LA+LB=L1；
LB+LC=L2；
LA+LC=L3.
Step 3: solving above-mentioned relation equation group, and then obtain being actually inserted into for each waveguide coaxial converter to be tested
Loss.
By simple calculations, the actual insertion loss of each waveguide coaxial converter can be obtained.
LA=(L1+L3-L2)/2；
LB=(L1+L2-L3)/2；
LC=(L2+L3-L2)/2.
Waveguide coaxial converter to be tested is respectively mounted identical interface by the present invention, respectively by Waveguide coaxial to be tested
Converter is concatenated in pairs by identical interface, and records the whole insertion for the waveguide coaxial converter in pairs surveyed
Loss obtains the waveguide coaxial connecter in pairs for being actually inserted into loss with being surveyed of each waveguide coaxial converter to be tested
The relation equation group of the whole insertion loss of device；Above-mentioned relation equation group is solved, and then can accurately calculate single waveguide
The insertion loss of coaxial converter.
The present invention can be tested for the waveguide coaxial converter of different types of structure, it is only necessary to waveguide to be tested
Coaxial converter is mounted on identical interface.
Fig. 2 is the test system structure schematic diagram of waveguide coaxial converter insertion loss of the invention.
As shown in Fig. 2, a kind of test macro of waveguide coaxial converter insertion loss of the invention, waveguide to be tested are same
Axis converter is mounted on identical rectangular waveguide interface, wherein the quantity of waveguide coaxial converter to be tested is at least three
It is a；
The test macro of the waveguide coaxial converter insertion loss, comprising: vector network analyzer and processor.
(1) vector network analyzer, the entirety for being used to record the waveguide coaxial converter in pairs surveyed respectively are inserted
Enter loss；Wherein, waveguide coaxial converter device is concatenated in pairs by identical rectangular waveguide interface in pairs.
(2) processor is used to receive the waveguide coaxial converter in pairs that the vector network analyzer transmission comes
Whole insertion loss, and then obtain each waveguide coaxial converter to be tested is actually inserted into loss and two twenty percents surveyed
To the relation equation group of the whole insertion loss of waveguide coaxial converter；Solve above-mentioned relation equation group, finally obtain it is each to
The waveguide coaxial converter of test is actually inserted into loss.
Wherein, the whole insertion loss for the waveguide coaxial converter in pairs surveyed is equal to the waveguide in pairs surveyed
Coaxial converter is respectively actually inserted into the sum of loss.
In another embodiment, processor is also connected with display, and the display is for showing each wave to be tested
Guiding coaxial converter is actually inserted into loss.
In one embodiment, module is connected the vector network analyzer by wireless communication with processor.The present invention
Module avoids the position limit of modules unit in the test macro of waveguide coaxial converter insertion loss by wireless communication
System.
In another embodiment, the vector network analyzer is connected with processor by cable.
In one embodiment, the processor is also connected with memory.Wherein memory is exported for cache processor
Each of waveguide coaxial converter to be tested be actually inserted into loss.
In another embodiment, the processor is also connected with cloud server, and the cloud server is at storage
Each of reason device output waveguide coaxial converter to be tested is actually inserted into loss.
Waveguide coaxial converter to be tested is respectively mounted identical interface by the present invention, respectively by Waveguide coaxial to be tested
Converter is concatenated in pairs by identical rectangular waveguide interface, and records the waveguide coaxial converter in pairs surveyed
Whole insertion loss obtains the waveguide in pairs for being actually inserted into loss with being surveyed of each waveguide coaxial converter to be tested
The relation equation group of the whole insertion loss of coaxial converter；Above-mentioned relation equation group is solved, and then can accurately be calculated
The insertion loss of single waveguide coaxial converter.
The present invention can be tested for the waveguide coaxial converter of different types of structure, it is only necessary to waveguide to be tested
Coaxial converter is mounted on identical rectangular waveguide interface.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (10)
1. a kind of test method of waveguide coaxial converter insertion loss, which is characterized in that waveguide coaxial converter to be tested
Rectangular waveguide interface having the same, the quantity of waveguide coaxial converter to be tested are at least three；
The test method of waveguide coaxial converter insertion loss, comprising:
Respectively waveguide coaxial converter to be tested is concatenated in pairs by rectangular waveguide interface, and records and surveyed two-by-two
The whole insertion loss of pairs of waveguide coaxial converter；
Obtain the waveguide coaxial connecter in pairs for being actually inserted into loss with being surveyed of each waveguide coaxial converter to be tested
The relation equation group of the whole insertion loss of device；
Above-mentioned relation equation group is solved, and then obtain each waveguide coaxial converter to be tested is actually inserted into loss.
2. a kind of test method of waveguide coaxial converter insertion loss as described in claim 1, which is characterized in that using arrow
Network Analyzer is measured to record the whole insertion loss for the waveguide coaxial converter in pairs surveyed.
3. a kind of test method of waveguide coaxial converter insertion loss as described in claim 1, which is characterized in that surveyed
The whole insertion loss of waveguide coaxial converter is equal to the respective reality for the waveguide coaxial converter in pairs surveyed in pairs
The sum of border insertion loss.
4. a kind of test macro of waveguide coaxial converter insertion loss, which is characterized in that waveguide coaxial converter to be tested
The interface of rectangular waveguide having the same, wherein the quantity of waveguide coaxial converter to be tested is at least three；
The test macro of the waveguide coaxial converter insertion loss, comprising:
Vector network analyzer is used to record the whole insertion loss for the waveguide coaxial converter in pairs surveyed respectively；
Wherein, waveguide coaxial converter is concatenated in pairs by identical rectangular waveguide interface in pairs；And
Processor, the entirety for being used to receive the waveguide coaxial converter in pairs that the vector network analyzer transmission comes are inserted
Enter loss, and then the waveguide in pairs for being actually inserted into loss with being surveyed for obtaining each waveguide coaxial converter to be tested is same
The relation equation group of the whole insertion loss of axis converter；Above-mentioned relation equation group is solved, each wave to be tested is finally obtained
Guiding coaxial converter is actually inserted into loss.
5. a kind of test macro of waveguide coaxial converter insertion loss as claimed in claim 4, which is characterized in that surveyed
The whole insertion loss of waveguide coaxial converter is equal to the respective reality for the waveguide coaxial converter in pairs surveyed in pairs
The sum of border insertion loss.
6. a kind of test macro of waveguide coaxial converter insertion loss as claimed in claim 4, which is characterized in that the place
Reason device is also connected with display, and the display is actually inserted into damage for show each waveguide coaxial converter to be tested
Consumption.
7. a kind of test macro of waveguide coaxial converter insertion loss as claimed in claim 4, which is characterized in that the arrow
Measuring Network Analyzer, module is connected by wireless communication with processor.
8. a kind of test macro of waveguide coaxial converter insertion loss as claimed in claim 4, which is characterized in that the arrow
Amount Network Analyzer is connected with processor by cable.
9. a kind of test macro of waveguide coaxial converter insertion loss as claimed in claim 4, which is characterized in that the place
Reason device is also connected with memory.
10. a kind of test macro of waveguide coaxial converter insertion loss as claimed in claim 4, which is characterized in that described
Processor is also connected with cloud server, and the cloud server waveguide to be tested for each of storage processor output is same
Axis converter is actually inserted into loss.
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| CN201710343219.5A CN107144417B (en) | 2017-05-16 | 2017-05-16 | A kind of test method and system of waveguide coaxial converter insertion loss |
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| CN201710343219.5A CN107144417B (en) | 2017-05-16 | 2017-05-16 | A kind of test method and system of waveguide coaxial converter insertion loss |
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| CN107144417B true CN107144417B (en) | 2019-01-04 |
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| CN108919057B (en) * | 2018-08-07 | 2020-06-16 | 哈尔滨工业大学 | Method for processing insertion loss problem in cable fault diagnosis |
| CN110531167A (en) * | 2019-09-16 | 2019-12-03 | 西安兆格电子信息技术有限公司 | A kind of cable pathways Insertion Loss measuring device and measurement method |
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| US4780692A (en) * | 1987-05-04 | 1988-10-25 | Motorola, Inc. | Cableless switching element for waveguide having low loss and fast switching speed |
| EP0380800A3 (en) * | 1989-02-01 | 1991-10-30 | Leningradskoe Otdelenie Tsentralnogo Nauchno-Issledo-Vatelskogo Instituta Svyazi (Loniis) | Process for determining the optical loss of coupled optical fibres in reflected light |
| JP2002131181A (en) * | 2000-10-23 | 2002-05-09 | Advantest Corp | Loss measuring device for photodetector element |
| CN201773921U (en) * | 2010-08-04 | 2011-03-23 | 杨春 | Waveguide coaxial microwave converter |
| US9373878B2 (en) * | 2013-03-19 | 2016-06-21 | Texas Instruments Incorporated | Dielectric waveguide with RJ45 connector |
| CN104062510B (en) * | 2014-07-07 | 2016-09-28 | 中国船舶重工集团公司第七二四研究所 | The two-port reciprocity feeder line insert loss method farther out of measurement error can be reduced |
| US9749043B2 (en) * | 2014-12-09 | 2017-08-29 | Exfo Inc. | Method for referencing an optical power loss measurement system, and associated computer readable memory and OPLM system |
| CN104849585B (en) * | 2015-04-16 | 2017-12-01 | 中国电子科技集团公司第四十一研究所 | Optical device S parameter measuring system and method based on vector network analyzer |
| CN104849570B (en) * | 2015-05-26 | 2017-08-25 | 中国传媒大学 | A kind of material electromagnetic parameter test method based on artificial magnetic conductor rectangular waveguide |
| CN106027170B (en) * | 2016-05-26 | 2018-07-17 | 中国船舶重工集团公司第七二二研究所 | The digital miniaturization radio equipment automatic testing equipment of one kind and system |
| CN106019014B (en) * | 2016-06-15 | 2018-08-24 | 中国工程物理研究院应用电子学研究所 | A kind of the test system and test method of the effective concentrated attenuator of folded waveguide traveling wave |
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