CN109917217A - Parameter compensation method, system and associated component for electromagnetic compatibility standard test - Google Patents
Parameter compensation method, system and associated component for electromagnetic compatibility standard test Download PDFInfo
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Abstract
This application discloses a kind of parameter compensation method, system, device and computer readable storage mediums for electromagnetic compatibility standard test, it include: under the first test environment, it controls measuring receiver and presses the signal of default output amplitude output in default UHF band reception signal source, and obtain reference signal amplitude corresponding with multiple frequency points of default frequency range；Under the second test environment, control measuring receiver presses the signal of default output amplitude output in default UHF band reception signal source, and obtains calibration signal amplitude corresponding with multiple frequency points；Transmission path attenuation parameter is calculated according to all reference signal amplitudes and all calibration signal amplitudes, carries out parameter compensation to control computer by transmission path attenuation parameter.The application can calculate the transmission path attenuation parameter of antenna to measuring receiver, and control computer compensates the loss of the transmission path of antenna to measuring receiver according to the transmission path attenuation parameter, improve the accuracy of test result.
Description
Technical field
This application involves electromagnetic compatibility data test fields, mend more particularly to a kind of parameter of electromagnetic compatibility standard test
Compensation method, system and associated component.
Background technique
High speed development and extensive use with hyundai electronics science and technology, electronic system is to integrated, multitask
Change, miniaturization.Various electronic equipments or system and other electronics, electrical equipment more and more intensively cause
Electromagnetic environment in system is extremely complex, and high density, the electromagnetic signal of wide spectrum are full of entire space, ensures electronic equipment and system
Electro Magnetic Compatibility have become an inevitable major issue.According to GJB151B-2013 " military equipment and subsystem
Electromagnetic Launching and susceptibility require and measurement " regulation, military equipment and system must satisfy corresponding electromagnetic compatibility standard test
It can come into operation.Can whether electromagnetic compatibility standard test result be qualified as valuator device and system design, come into operation
Key judge data, it is necessary to assure its accuracy and validity.Electromagnetic compatibility standard test must be according to GJB151B-
It is carried out in the darkroom of 2013 standards building, Conduction Interference and sensitivity testing and radiation interference and sensitivity testing two can be divided into
It is most of.
Wherein, radiation interference test is the radiation interference letter for acquiring Devices to test by receiving antenna and generating in working condition
Number, by cable transmission to measuring receiver and control computer, obtain the radiation interference data value of Devices to test.It tests road
Diameter includes: receiving antenna and transmitting antenna, the connection cables of antenna to measuring receiver and measuring receiver, test path pair
There is certain loss and decaying in signal, such as in the test path of antenna to connection cables to measuring receiver, signal
It is generally in microwave band, has very big decaying for signal, and as time goes by, the decline of connection cables performance causes
Signal is further decayed, so that test result, there are error, accuracy is lower.
Therefore, how to provide a kind of scheme of solution above-mentioned technical problem is that those skilled in the art need to solve at present
Problem.
Summary of the invention
The purpose of the application be to provide it is a kind of for electromagnetic compatibility standard test parameter compensation method, system, device and
Computer readable storage medium can calculate the transmission path attenuation parameter of antenna to measuring receiver, control computer root
The loss of the transmission path of antenna to measuring receiver is compensated according to the transmission path attenuation parameter, improves test result
Accuracy.
In order to solve the above technical problems, this application provides a kind of parameter compensation sides for electromagnetic compatibility standard test
Method, comprising:
Under the first test environment, control measuring receiver presses default output amplitude output in default UHF band reception signal source
Signal, and obtain corresponding with multiple frequency points of default frequency range reference signal amplitude；
Under the second test environment, measuring receiver signal source described in the default UHF band reception is controlled by described
The signal of default output amplitude output, and obtain calibration signal amplitude corresponding with multiple frequency points；
Transmission path attenuation parameter is calculated according to all reference signal amplitudes and all calibration signal amplitudes, with
Just control computer carries out parameter compensation by the transmission path attenuation parameter；
Wherein, the first test environment is that the measuring receiver and the signal source are directly connected to construct by cable
Test environment, the second test environment is that the measuring receiver and the signal source according to electromagnetic compatibility standard test road
The test environment of diameter connecting structure.
Preferably, the number of the default output amplitude is multiple, and each default output amplitude is all different.
Preferably, described that transmission path attenuation parameter is calculated according to the reference signal amplitude and the calibration signal amplitude
Process specifically:
The same corresponding reference signal amplitude of frequency point and the calibration signal amplitude are subtracted each other, the biography is obtained
Defeated path attenuation parameter.
Preferably, described that transmission path attenuation parameter is calculated according to the reference signal amplitude and the calibration signal amplitude
Process specifically:
By under each default output amplitude, the same corresponding reference signal amplitude of frequency point and the calibration
Signal amplitude subtracts each other, and obtains sub-transmission path attenuation parameter corresponding with each default output amplitude；
It averages to all sub-transmission path attenuation parameters by frequency point, obtains newly transmitting path attenuation parameter；
Correspondingly, the process that the control computer carries out parameter compensation by the transmission path attenuation parameter is specific
Are as follows:
It controls computer and parameter compensation is carried out by the new transmission path attenuation parameter.
Preferably, described under the first test environment, control measuring receiver is in default UHF band reception signal source output
The process of signal specifically:
Under the first test environment, measuring receiver is controlled using GPIB by the control computer and is connect in default frequency range
Receive the signal of signal source output；
Correspondingly, it is described under the second test environment, the measuring receiver is controlled described in the default UHF band reception
The process of the signal of signal source output specifically:
Under the second test environment, the measuring receiver is controlled in default frequency using GPIB by the control computer
Section receives the signal of the signal source output.
Preferably, described that transmission path attenuation parameter is calculated according to the reference signal amplitude and the calibration signal amplitude
Before, the parameter compensation method further include:
Reference data file and reference curve are generated according to all reference signal amplitudes；
Calibration data file and calibration curve are generated according to all calibration signal amplitudes.
Preferably, the default frequency range is 1GHz to 18GHz.
In order to solve the above technical problems, present invention also provides a kind of parameters for electromagnetic compatibility standard test to compensate system
System, comprising:
First obtains module, for controlling measuring receiver in default UHF band reception signal source under the first test environment
By the signal that default output amplitude exports, and obtain reference signal width corresponding with multiple frequency points of the default frequency range
Value；
Second obtains module, for controlling the measuring receiver and connecing in the default frequency range under the second test environment
The signal source is received by the signal of the default output amplitude output, and obtains calibration letter corresponding with multiple frequency points
Number amplitude；
Computing module, for calculating transmission road according to all reference signal amplitudes and all calibration signal amplitudes
Diameter attenuation parameter carries out parameter compensation to control computer by the transmission path attenuation parameter；
Wherein, the first test environment is that the measuring receiver and the signal source are directly connected to construct by cable
Test environment, the second test environment is that the measuring receiver and the signal source according to electromagnetic compatibility standard test road
The test environment of diameter connecting structure.
In order to solve the above technical problems, present invention also provides a kind of parameters for electromagnetic compatibility standard test to compensate dress
It sets, comprising:
Memory, for storing computer program；
Processor is realized when for executing the computer program and is used for electromagnetic compatibility standard as described in any one above
The step of parameter compensation method of test.
In order to solve the above technical problems, the computer can present invention also provides a kind of computer readable storage medium
It reads to be stored with computer program on storage medium, realize when the computer program is executed by processor such as any one institute above
The step of stating the parameter compensation method for electromagnetic compatibility standard test.
A kind of parameter compensation method for electromagnetic compatibility standard test provided by the present application, comprising: in the first test wrapper
Under border, the signal that control measuring receiver is exported in default UHF band reception signal source by default output amplitude, and obtain and preset
The corresponding reference signal amplitude of multiple frequency points of frequency range；Under the second test environment, control measuring receiver is in default frequency
Section receives signal source and presses the signal of default output amplitude output, and obtains calibration signal amplitude corresponding with multiple frequency points；
Transmission path attenuation parameter is calculated according to all reference signal amplitudes and all calibration signal amplitudes, is passed through to control computer
Transmission path attenuation parameter carries out parameter compensation；Wherein, the first test environment is that measuring receiver and signal source are straight by cable
The test environment of connecting structure is connect, the second test environment is measuring receiver and signal source according to electromagnetic compatibility standard test path
The test environment of connecting structure.
In practical applications, using the scheme of the application, reference signal amplitude is measuring receiver and the direct-connected institute of signal source
Data are obtained, calibration signal amplitude is then under identical signal source, identical output amplitude, according to electromagnetic compatibility standard test path
Connect obtained data, subtracted each other by the two, get rid of the influence of receiver performance, finally obtained result be antenna extremely
The transmission path attenuation parameter of measuring receiver, control computer according to the transmission path attenuation parameter to antenna to measure receive
The loss of the transmission path of machine compensates, and improves the accuracy of test result.
Present invention also provides a kind of parameter compensation systems for electromagnetic compatibility standard test, device and computer-readable
Storage medium has beneficial effect identical with the above-mentioned parameter compensation method for electromagnetic compatibility standard test.
Detailed description of the invention
It in order to more clearly explain the technical solutions in the embodiments of the present application, below will be to institute in the prior art and embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the application
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of step process of parameter compensation method for electromagnetic compatibility standard test provided herein
Figure；
Fig. 2 is the structural schematic diagram that one kind first provided herein tests environment；
Fig. 3 is the structural schematic diagram that one kind second provided herein tests environment；
Fig. 4 is the structural schematic diagram that another kind second provided herein tests environment；
Fig. 5 is a kind of structural representation of parameter compensation system for electromagnetic compatibility standard test provided herein
Figure.
Specific embodiment
The core of the application be to provide it is a kind of for electromagnetic compatibility standard test parameter compensation method, system, device and
Computer readable storage medium can calculate the transmission path attenuation parameter of antenna to measuring receiver, control computer root
The loss of the transmission path of antenna to measuring receiver is compensated according to the transmission path attenuation parameter, improves test result
Accuracy.
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
Fig. 1 is please referred to, Fig. 1 is a kind of parameter compensation method for electromagnetic compatibility standard test provided herein
Flow chart of steps, comprising:
Step 1: under the first test environment, control measuring receiver is in default UHF band reception signal source by default output width
It is worth the signal of output, and obtains reference signal amplitude corresponding with multiple frequency points of default frequency range；Wherein, the first test wrapper
Border is the test environment that measuring receiver and signal source are directly connected to construction by cable；
Specifically, will be located at dark indoor measuring receiver 02 first referring to shown in Fig. 2 with signal source 01 and pass through cable 03
Direct-connected, construction the first test environment, then the output amplitude in setting signal source 01 is default output amplitude, signal source 01, measurement
Receiver 02 is by GPIB by control computer instruction manipulation.
Specifically, the signal exported by control computer controlled measurement receiver in default UHF band reception signal source, and
It obtains in the default frequency range, reference signal amplitude corresponding with each frequency point, wherein when needing to survey to radiation interference and susceptibility
When the signal decaying that the test path of examination makes generation compensates, default frequency range can be set to 1GHz to 18GHz, when needs are to biography
When the test path for leading interference and susceptibility test is made the signal decaying of generation and compensated, default frequency range can be set to 25Hz extremely
10KHz.It is understood that measuring receiver can recorde each reference signal amplitude, and each reference is believed by GPIB
Number amplitude is transferred to control computer, to control Computer display reference signal amplitude.
Specifically, measuring receiver model Agilent-N9030A signal analyzer, signal source model Agilent-
N5183A radio-frequency signal source, antenna are ETS-3117 electromagnetic horn.
Step 2: under the second test environment, control measuring receiver is in default UHF band reception signal source by default output width
It is worth the signal of output, and obtains calibration signal amplitude corresponding with multiple frequency points；Wherein, the second test environment is that measurement connects
Receipts machine and signal source according to electromagnetic compatibility standard test path connecting structure test environment；
Specifically, when the signal decaying for needing the test path to radiation interference and susceptibility test to make generation compensates
When, referring to shown in Fig. 3, according in GJB151B-2013 " military equipment and subsystem Electromagnetic Launching and susceptibility requires and measurement "
The configuration connection of RE102 project testing, removes receiving antenna 04, retains the pedestal of antenna 04, use the low noise amplification of antenna 04
Device 05, signal source 01 are connected to the signal input part of low-noise amplifier 05, and 05 output end of low-noise amplifier is through RF cable
03 is connected to measuring receiver 02, construction the second test environment.The output amplitude in setting signal source 01, the output amplitude and step
Default output amplitude set by 1 is identical, and control computer controlled measurement receiver 02 receives signal source 01 in 1GHz to 18GHz
The signal of output, and obtain calibration signal amplitude corresponding with each frequency point.
Specifically, when the signal decaying for needing the test path to Conduction Interference and susceptibility test to make generation compensates
When, referring to shown in Fig. 4, signal source 01 is connected to 1 ohm of (model Solar-9224- of precision resistance 06 by cable 03
1.0) signal source port, with the electric current central port of conducting wire connection precision resistance 06, while by 07 company of being clipped in of current probe
On the conducting wire connect, current probe 07 is connected to 08 ground pedestal of darkroom by testing cable 03, through walls to be connected into control room
Measuring receiver 02, construction the second test environment.Set by the output amplitude in setting signal source 01, the output amplitude and step 1
Default output amplitude it is identical, control computer controlled measurement receiver 02 25Hz to 10KHz receive signal source 01 export
Signal, and obtain calibration signal amplitude corresponding with each frequency point.
Step 3: transmission path attenuation parameter is calculated according to all reference signal amplitudes and all calibration signal amplitudes, so as to
It controls computer and parameter compensation is carried out by transmission path attenuation parameter.
Embodiment as one preferred calculates transmission path decaying ginseng according to reference signal amplitude and calibration signal amplitude
Several processes specifically:
The corresponding reference signal amplitude of same frequency point and calibration signal amplitude are subtracted each other, transmission path attenuation parameter is obtained.
It is understood that the corresponding reference signal amplitude of each frequency point and calibration signal amplitude, and in the application,
When executing step 1 and step 2, the output amplitude of signal source is identical, the influence of measuring receiver performance is got rid of, then according to ginseng
The attenuation parameter for examining the available frequency point of difference of signal amplitude and calibration signal amplitude is joined according to the decaying of all frequency points
Number, can be obtained antenna to the transmission path attenuation parameter of measuring receiver, which is input to control
Computer is modified compensation by software, and the signal that can compensate antenna to measuring receiver is decayed, and keeps test result more smart
Really.
A kind of parameter compensation method for electromagnetic compatibility standard test provided by the present application, comprising: in the first test wrapper
Under border, the signal that control measuring receiver is exported in default UHF band reception signal source by default output amplitude, and obtain and preset
The corresponding reference signal amplitude of multiple frequency points of frequency range；Under the second test environment, control measuring receiver is in default frequency
Section receives signal source and presses the signal of default output amplitude output, and obtains calibration signal amplitude corresponding with multiple frequency points；
Transmission path attenuation parameter is calculated according to all reference signal amplitudes and all calibration signal amplitudes, is passed through to control computer
Transmission path attenuation parameter carries out parameter compensation；Wherein, the first test environment is that measuring receiver and signal source are straight by cable
The test environment of connecting structure is connect, the second test environment is measuring receiver and signal source according to electromagnetic compatibility standard test path
The test environment of connecting structure.
In practical applications, using the scheme of the application, reference signal amplitude is measuring receiver and the direct-connected institute of signal source
Data are obtained, calibration signal amplitude is then under identical signal source, identical output amplitude, according to electromagnetic compatibility standard test path
Connect obtained data, subtracted each other by the two, get rid of the influence of receiver performance, finally obtained result be antenna extremely
The transmission path attenuation parameter of measuring receiver, control computer according to the transmission path attenuation parameter to antenna to measure receive
The loss of the transmission path of machine compensates, and improves the accuracy of test result.
On the basis of the above embodiments:
Embodiment as one preferred, it is multiple for presetting the number of output amplitude, and each presets output amplitude not
It is identical.
Embodiment as one preferred calculates transmission path decaying ginseng according to reference signal amplitude and calibration signal amplitude
Before number, the parameter compensation method further include:
Reference data file and reference curve are generated according to all reference signal amplitudes；
Calibration data file and calibration curve are generated according to all calibration signal amplitudes.
Specifically, guaranteeing the accuracy of transmission path attenuation parameter got, this Shen to improve the reliability of the application
Please step 1 and step 2 successively are executed using multiple default output amplitudes.Wherein, multiple default output amplitudes be respectively-
50dB, -45dB, -40dB, -35dB, -30dB, -25dB, -20dB, -15dB, -10dB, -5dB, i.e., under the first test environment,
The signal that measuring receiver presses -50dB output in default UHF band reception signal source is controlled, is obtained corresponding with each frequency point
Reference signal amplitude generates reference data file 1, under the second test environment, controls measuring receiver in default UHF band reception
Signal source presses the signal of -50dB output, obtains calibration signal amplitude corresponding with each frequency point, generates calibration data file
1, then the default output amplitude of signal source is adjusted to -45dB, under the first test environment, control measuring receiver is default
UHF band reception signal source presses the signal of -45dB output, obtains reference signal amplitude corresponding with each frequency point, generates reference
Data file 2, under the second test environment, control measuring receiver presses the letter of -45dB output in default UHF band reception signal source
Number, calibration signal amplitude corresponding with each frequency point is obtained, calibration data file 2 is generated, and so on, adjustment signal source
Default output amplitude be -40dB, -35dB, -30dB, -25dB, -20dB, -15dB, -10dB, -5dB, referred to accordingly
Data file 3-10 and calibration data file 3-10.Assuming that 10 frequency points are shared in default frequency range, respectively p0, p1 ... ...,
P9, reference data file can be specifically presented in table form, then for step 1, reference data file 1-10 is right respectively
Table 1-10, calibration data file 1-10 is answered to respectively correspond table 11-20.
Table 1 presets the reference signal amplitude table that output amplitude is -50dB
Table 2 presets the reference signal amplitude table that output amplitude is -45dB
| p0 | p1 | p2 | p3 | p4 | p5 | p6 | p7 | p8 | p9 | |
| -45dB | A01 | A11 | A21 | A31 | A41 | A51 | A61 | A71 | A81 | A91 |
……
Table 10 presets the reference signal amplitude table that output amplitude is -5dB
| p0 | p1 | p2 | p3 | p4 | p5 | p6 | p7 | p8 | p9 | |
| -5dB | A09 | A19 | A29 | A39 | A49 | A59 | A69 | A79 | A89 | A99 |
Table 11 presets the calibration signal amplitude table that output amplitude is -50dB
| p0 | p1 | p2 | p3 | p4 | p5 | p6 | p7 | p8 | p9 | |
| -50dB | a00 | a10 | a20 | a30 | a40 | a50 | a60 | a70 | a80 | a90 |
Table 12 presets the calibration signal amplitude table that output amplitude is -45dB
| p0 | p1 | p2 | p3 | p4 | p5 | p6 | p7 | p8 | p9 | |
| -45dB | a01 | a11 | a21 | a31 | a41 | a51 | a61 | a71 | a81 | a91 |
……
Table 20 presets the calibration signal amplitude table that output amplitude is -5dB
| p0 | p1 | p2 | p3 | p4 | p5 | p6 | p7 | p8 | p9 | |
| -5dB | a09 | a19 | a29 | a39 | a49 | a59 | a69 | a79 | a89 | a99 |
Embodiment as one preferred calculates transmission path decaying ginseng according to reference signal amplitude and calibration signal amplitude
Several processes specifically:
It will each preset under output amplitude, the corresponding reference signal amplitude of same frequency point and calibration signal amplitude are subtracted each other, and are obtained
To sub-transmission path attenuation parameter corresponding with each default output amplitude；
It averages to all sub-transmission path attenuation parameters by frequency point, obtains newly transmitting path attenuation parameter；
Correspondingly, control computer carries out the process of parameter compensation by transmission path attenuation parameter specifically:
It controls computer and parameter compensation is carried out by newly transmission path attenuation parameter.
Specifically, on the basis of a upper embodiment, the last bit label of corresponding reference data file and calibration data file,
By the reference signal amplitude in the reference data file and calibration data file of identical label with calibration signal amplitude by frequency point phase
Subtract, sub-transmission path attenuation parameter corresponding with each default output amplitude is obtained, according to each sub-transmission path attenuation parameter
Obtained sub- attenuation data file 1-10, is corresponding in turn to table 21-30:
Table 21 presets the sub-transmission path attenuation parameter table that output amplitude is -50dB
| p0 | p1 | p2 | p3 | p4 | p5 | p6 | p7 | p8 | p9 | |
| -50dB | B00 | B10 | B20 | B30 | B40 | B50 | B60 | B70 | B80 | B90 |
Table 22 presets the sub-transmission path attenuation parameter table that output amplitude is -45dB
| p0 | p1 | p2 | p3 | p4 | p5 | p6 | p7 | p8 | p9 | |
| -45dB | B01 | B11 | B21 | B31 | B41 | B51 | B61 | B71 | B81 | B91 |
……
Table 30 presets the sub-transmission path attenuation parameter table that output amplitude is -5dB
| p0 | p1 | p2 | p3 | p4 | p5 | p6 | p7 | p8 | p9 | |
| -5dB | B09 | B19 | B29 | B39 | B49 | B59 | B69 | B79 | B89 | B99 |
Wherein, 9, j=0 Bij=Aij-aij, i=0,1 ..., 1 ... 9.
Specifically, the accuracy of the transmission path attenuation parameter got is improved, to each height to further decrease error
Transmission path attenuation parameter is averaged by frequency point, an available average data, as final transmission path
Attenuation parameter (new transmission path attenuation parameter), the transmission path attenuation data file is referring to shown in table 31.
Table 31 newly transmits path attenuation parameter list
| p0 | p1 | p2 | p3 | p4 | p5 | p6 | p7 | p8 | p9 |
| C0 | C1 | C2 | C3 | C4 | C5 | C6 | C7 | C8 | C9 |
Wherein,It is understood that C0-C9 is the transmission of antenna to receiver
Path attenuation parameter can be used for controlling the parameters revision compensation on computer.
Certainly, in addition to error can be reduced by the way of averaging, other modes can also be used, the application exists
This is without limitation.
Referring to figure 5., Fig. 5 is a kind of parameter compensation system for electromagnetic compatibility standard test provided herein
Structural schematic diagram, comprising:
First obtains module 1, for controlling measuring receiver in default UHF band reception signal source under the first test environment
By the signal that default output amplitude exports, and obtain reference signal amplitude corresponding with multiple frequency points of default frequency range；
Second obtains module 2, for controlling measuring receiver in default UHF band reception signal source under the second test environment
By the signal that default output amplitude exports, and obtain calibration signal amplitude corresponding with multiple frequency points；
Computing module 3, for calculating transmission path decaying according to all reference signal amplitudes and all calibration signal amplitudes
Parameter carries out parameter compensation to control computer by transmission path attenuation parameter；
Wherein, the first test environment is the test environment that measuring receiver and signal source are directly connected to construction by cable,
Second test environment is the test environment of measuring receiver and signal source according to electromagnetic compatibility standard test path connecting structure.
Embodiment as one preferred, it is multiple for presetting the number of output amplitude, and each presets output amplitude not
It is identical.
Embodiment as one preferred calculates transmission path decaying ginseng according to reference signal amplitude and calibration signal amplitude
Several processes specifically:
The corresponding reference signal amplitude of same frequency point and calibration signal amplitude are subtracted each other, transmission path attenuation parameter is obtained.
Embodiment as one preferred calculates transmission path decaying ginseng according to reference signal amplitude and calibration signal amplitude
Several processes specifically:
It will each preset under output amplitude, the corresponding reference signal amplitude of same frequency point and calibration signal amplitude are subtracted each other, and are obtained
To sub-transmission path attenuation parameter corresponding with each default output amplitude；
It averages to all sub-transmission path attenuation parameters by frequency point, obtains newly transmitting path attenuation parameter；
Correspondingly, control computer carries out the process of parameter compensation by transmission path attenuation parameter specifically:
It controls computer and parameter compensation is carried out by newly transmission path attenuation parameter.
Embodiment as one preferred, under the first test environment, control measuring receiver is believed in default UHF band reception
The process of the signal of number source output specifically:
Under the first test environment, measuring receiver is controlled using GPIB by control computer and is believed in default UHF band reception
The signal of number source output；
Correspondingly, under the second test environment, signal of the control measuring receiver in default UHF band reception signal source output
Process specifically:
Under the second test environment, measuring receiver is controlled using GPIB by control computer and is believed in default UHF band reception
The signal of number source output.
Embodiment as one preferred, the parameter compensation system further include:
File generating module, for generating reference data file and reference curve according to all reference signal amplitudes；Also use
According to all calibration signal amplitudes generation calibration data file and calibration curve.
Embodiment as one preferred, presetting frequency range is 1GHz to 18GHz.
A kind of parameter compensation system for electromagnetic compatibility standard test provided herein has and above-mentioned for electricity
The identical beneficial effect of parameter compensation method of magnetic compatibility standard test.
Introduction for a kind of parameter compensation system for electromagnetic compatibility standard test provided herein, please refers to
Above-described embodiment, details are not described herein by the application.
Correspondingly, present invention also provides a kind of parameter compensation devices for electromagnetic compatibility standard test, comprising:
Memory, for storing computer program；
Processor realizes that any one above such as is used for the ginseng of electromagnetic compatibility standard test when for executing computer program
The step of number compensation method.
A kind of parameter compensation device for electromagnetic compatibility standard test provided herein has and above-mentioned for electricity
The identical beneficial effect of parameter compensation method of magnetic compatibility standard test.
Introduction for a kind of parameter compensation device for electromagnetic compatibility standard test provided herein, please refers to
Above-described embodiment, details are not described herein by the application.
Correspondingly, being stored on computer readable storage medium present invention also provides a kind of computer readable storage medium
There is computer program, realizes when computer program is executed by processor as any one above is tested for electromagnetic compatibility standard
The step of parameter compensation method.
A kind of computer readable storage medium provided herein has and is used for what electromagnetic compatibility standard was tested with above-mentioned
The identical beneficial effect of parameter compensation method.
Introduction for a kind of computer readable storage medium provided herein, please refers to above-described embodiment, this Shen
It please details are not described herein.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of parameter compensation method for electromagnetic compatibility standard test characterized by comprising
Under the first test environment, control measuring receiver presses the letter of default output amplitude output in default UHF band reception signal source
Number, and obtain reference signal amplitude corresponding with multiple frequency points of the default frequency range；
Under the second test environment, measuring receiver signal source described in the default UHF band reception is controlled by described default
The signal of output amplitude output, and obtain calibration signal amplitude corresponding with multiple frequency points；
Transmission path attenuation parameter is calculated according to all reference signal amplitudes and all calibration signal amplitudes, to control
Computer processed carries out parameter compensation by the transmission path attenuation parameter；
Wherein, the first test environment is the survey that the measuring receiver and the signal source are directly connected to construction by cable
Test ring border, the second test environment are that the measuring receiver and the signal source connect according to electromagnetic compatibility standard test path
Connect the test environment of construction.
2. the parameter compensation method according to claim 1 for electromagnetic compatibility standard test, which is characterized in that described pre-
If the number of output amplitude is multiple, and each default output amplitude is all different.
3. the parameter compensation method according to claim 2 for electromagnetic compatibility standard test, which is characterized in that described
The process of transmission path attenuation parameter is calculated according to the reference signal amplitude and the calibration signal amplitude specifically:
The same corresponding reference signal amplitude of frequency point and the calibration signal amplitude are subtracted each other, the transmission road is obtained
Diameter attenuation parameter.
4. the parameter compensation method according to claim 3 for electromagnetic compatibility standard test, which is characterized in that described
The process of transmission path attenuation parameter is calculated according to the reference signal amplitude and the calibration signal amplitude specifically:
By under each default output amplitude, the same corresponding reference signal amplitude of frequency point and the calibration signal
Amplitude is subtracted each other, and sub-transmission path attenuation parameter corresponding with each default output amplitude is obtained；
It averages to all sub-transmission path attenuation parameters by frequency point, obtains newly transmitting path attenuation parameter；
Correspondingly, the control computer carries out the process of parameter compensation by the transmission path attenuation parameter specifically:
It controls computer and parameter compensation is carried out by the new transmission path attenuation parameter.
5. it is according to claim 1 for electromagnetic compatibility standard test parameter compensation method, which is characterized in that it is described
Under first test environment, process of the control measuring receiver in the signal of default UHF band reception signal source output specifically:
Under the first test environment, measuring receiver is controlled using GPIB by the control computer and is believed in default UHF band reception
The signal of number source output；
Correspondingly, it is described under the second test environment, control measuring receiver signal described in the default UHF band reception
The process of the signal of source output specifically:
Under the second test environment, the measuring receiver is controlled using GPIB by the control computer and is connect in default frequency range
Receive the signal of the signal source output.
6. the parameter compensation method described in -5 any one for electromagnetic compatibility standard test according to claim 1, feature
Be, it is described transmission path attenuation parameter is calculated according to the reference signal amplitude and the calibration signal amplitude before, the ginseng
Number compensation method further include:
Reference data file and reference curve are generated according to all reference signal amplitudes；
Calibration data file and calibration curve are generated according to all calibration signal amplitudes.
7. the parameter compensation method according to claim 6 for electromagnetic compatibility standard test, which is characterized in that described pre-
If frequency range is 1GHz to 18GHz.
8. a kind of parameter compensation system for electromagnetic compatibility standard test characterized by comprising
First obtains module, under the first test environment, control measuring receiver to be in default UHF band reception signal source by pre-
If the signal of output amplitude output, and obtain reference signal amplitude corresponding with multiple frequency points of the default frequency range；
Second obtains module, for controlling the measuring receiver in the default UHF band reception institute under the second test environment
Signal source is stated by the signal of the default output amplitude output, and obtains calibration signal width corresponding with multiple frequency points
Value；
Computing module declines for calculating transmission path according to all reference signal amplitudes and all calibration signal amplitudes
Subtract parameter, carries out parameter compensation to control computer by the transmission path attenuation parameter；
Wherein, the first test environment is the survey that the measuring receiver and the signal source are directly connected to construction by cable
Test ring border, the second test environment are that the measuring receiver and the signal source connect according to electromagnetic compatibility standard test path
Connect the test environment of construction.
9. a kind of parameter compensation device for electromagnetic compatibility standard test characterized by comprising
Memory, for storing computer program；
Processor is realized when for executing the computer program and is used for electromagnetic compatibility as described in claim 1-7 any one
The step of parameter compensation method of standard testing.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program is realized when the computer program is executed by processor and is used for electromagnetic compatibility mark as described in claim 1-7 any one
The step of parameter compensation method of quasi- test.
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