CN111132185A - S parameter file processing system and method suitable for multi-port vector network - Google Patents
S parameter file processing system and method suitable for multi-port vector network Download PDFInfo
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- CN111132185A CN111132185A CN201911169770.8A CN201911169770A CN111132185A CN 111132185 A CN111132185 A CN 111132185A CN 201911169770 A CN201911169770 A CN 201911169770A CN 111132185 A CN111132185 A CN 111132185A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/04—Processing captured monitoring data, e.g. for logfile generation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The invention discloses an S parameter file processing system and method suitable for a multi-port vector network, and belongs to the technical field of testing. According to the invention, through splitting and integrating operations, the number of the processed file ports is inconsistent with the number of the processed file ports, so that the flexibility of processing the S parameter file is increased; the data format and range of the file can be changed, and a user can extract part of test data conveniently; and the split and integrated parameter mapping is provided by using an interface display mode, so that the operation of a user is facilitated.
Description
Technical Field
The invention belongs to the technical field of testing, and particularly relates to an S parameter file processing system and method suitable for a multi-port vector network.
Background
With the improvement of antenna test frequency and integration level, the T/R component, the controller, the channel and the like are changed into a multi-channel mode from a single channel; the test of various multi-channel devices is time-saving and labor-saving by the corresponding multi-port network instrument, the existing equipment can be fully utilized by completing the test of the multi-port devices by utilizing the existing 2-port or 4-port network instrument, and the test cost of users is saved. The current callback and storage functions provided by the vector network analyzer can only store measurement data less than or equal to the number of ports according to the number of measurement ports of the network analyzer, and can only callback measurement data not exceeding the number of ports during callback; and does not support storing or recalling portions of the test data. The file processing system provided by the patent can flexibly combine a plurality of n-port test data into m-port test data (m is more than or equal to n), so that the number of the combined measurement result ports is greater than the number of the ports of the network instrument; multi-port test data can be split into test data with smaller ports, so that a user can conveniently import the test data into a network instrument to observe a measurement result; and partial test data of the designated port can be intercepted, and flexible and various measurement result observation modes are provided for users.
The 5G era with high speed, low time delay and large capacity puts higher requirements on the performance of components, the increase of test frequency bands, the increase of test bandwidth and the increase of test frequency enable the quantity and the integration level of the components to be increased. The antenna test requirements used by MassiveMIMO technology are proliferating. The vector network analyzer is widely used for testing performance parameters such as intermodulation, loss, transmission delay and the like among all receiving and transmitting channels of the antenna, and along with the increase of the number of the receiving and transmitting channels of the antenna, the testing requirement of the multi-port vector network analyzer is increased day by day. How to use the existing 2-port or 4-port vector network analyzer to perform multi-port test avoids purchasing an expensive multi-port vector network analyzer, saves the test cost, and becomes a requirement of a user.
The current vector network analyzer can store and call back the current measurement result, but is limited to storing the measurement result which is less than or equal to the number of ports of the network analyzer, and cannot store or call back a part of test results, or integrate the test results of different ports into the measurement results of more ports, or split the multi-port test result into the measurement results of a few ports.
The file storage and callback functions provided by the current vector network analyzer are to store or callback the test result set by the current measurement, and cannot obtain the test result of a certain frequency band or integrate or disassemble the test result, and some software provides a post-processing mode, but the operation mode is complicated, cannot be integrated with the network analyzer, is inconvenient to use, and cannot be compared with the current test result in real time.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides the S parameter file processing system and the S parameter file processing method suitable for the multi-port vector network, which are reasonable in design, overcome the defects of the prior art and have good effects.
In order to achieve the purpose, the invention adopts the following technical scheme:
an S parameter file processing system suitable for a multi-port vector network provides an operation interface for a user, wherein the interface mainly comprises a file list to be processed, the number of S parameter file ports to be generated by the user, a selected file parameter list, a parameter mapping area and a data setting area; the file list to be processed can add or delete a plurality of files; selecting a file parameter list, and displaying parameter information in the currently selected file to be processed so that a user can clearly know file data information; the parameter mapping area is used for drawing a parameter matrix of the target file according to the set port number; and the data setting area allows a user to set the data format, the data range and the file header information in the file, so that the user can conveniently carry out post-processing on the data.
In addition, the invention also provides an S-parameter file processing method suitable for the multi-port vector network, which adopts the S-parameter file processing system suitable for the multi-port vector network, and the method comprises two operation methods of splitting and integrating, wherein the two operation methods comprise the following steps:
step 1: the user adds the S parameter file to be processed, the system judges whether the selected file is the correct S parameter file according to the file format, and if the selected file is correct, the selected file is added into a file list;
step 2: displaying the correct file path and file name in a file list to be processed, and distinguishing files in a color or coding mode;
and step 3: the user appoints the data format of the processed file, including the port number of the file, the header information of the file, the data range and the data format information, if not, the data format is consistent with the selected file format;
and 4, step 4: displaying the parameter information of the selected file in the selected file parameter list;
and 5: before or after treatment, the mapping relation is distinguished through color, or the sources are distinguished through the form similar to labels in the parameter mapping area display;
step 6: setting a source port as n, defining S parameters: the relation matrix P between parameters before and after the relation formula defined by S parameters is P [ k, l ] ═ i × n + j;
the difference between the splitting and the integrating operation is mainly in the processing of the parameter mapping area, and the specific difference is as follows:
when the file is split, the parameter mapping area displays a parameter matrix of the currently selected file, and when the file is integrated, the parameter mapping area displays a parameter matrix of the port number specified by a user;
when splitting, double-clicking a certain parameter Pi in the selected file parameter list area, wherein the color change of the parameter corresponding to the parameter in the parameter mapping area indicates that the split file contains the parameter; double clicking the parameter Pi again, wherein the color of the parameter corresponding to the parameter mapping area is restored to a default value, which indicates that the split file does not contain the parameter;
during integration, clicking a certain parameter Pi of the selected file parameter list area, and clicking a certain parameter Pj of the parameter mapping area, so that the color of the Pj changes, and the parameter Pi is stored in the position of the parameter Pj; clicking Pj again, and then restoring the color to a default value to indicate that the parameter Pj has no data source; the color change of the parameter Pj during mapping of different files can distinguish the identification, so that a user can conveniently identify which file the parameter comes from;
during integration, parameters of the integrated files come from different files, the different files are distinguished by colors, the different files are identified by different colors in a file list, and the colors during mapping are consistent with the colors of the files, so that a user can conveniently know data sources;
during integration, the source of the parameter Pj is an ideal value and a user-specified value, and if no source is specified, the default is 0 or the user-specified value.
The invention has the following beneficial technical effects:
1. a file processing system suitable for a multiport network instrument expands the file processing function of a vector network analyzer, realizes the increase and decrease of the number of measurement ports by integrating or splitting file parameters, and realizes the conversion from 2-4 port test data to multiport S parameter files such as 8 ports, 16 ports and the like;
2. the file data format and the data range can be changed through splitting and integrating operations;
3. and an intuitive operation interface is provided by a parameter matrix mapping mode.
Drawings
FIG. 1 is a schematic diagram of an S-parameter processing interactive interface.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
the number of S parameters of the n-port network is 2n, and for example, the 4-port network parameter matrix is:
{S11、S12、S13、S14、
S21、S22、S23、S24、
S31、S32、S33、S34、
S41、S42、S43、S44}
the total number of the parameters is 16, if the result obtained by extracting the parameters of 1 and 2 ports is specified to be four parameters of S11, S12, S21 and S22; if 2 sets of S parameters are combined into 4-port S parameters, 8 parameters are source-free, and may be set to ideal values such as 0, 1, or user-specified values according to whether the parameters are reflection parameters or transmission parameters. The S parameter file processing system can be divided into 2 functions of S parameter integration and S parameter splitting.
The S-parameter file processing system provides a user operation interface, and the schematic interface diagram is shown in fig. 1, and mainly includes a list of files to be processed, the number of ports of S-parameter files to be generated by a user, a selected file parameter list, a parameter mapping area, a data setting area, and the like. The pending file list may add or delete a plurality of files, for example, 16; the selected file parameter list displays the parameter information in the currently selected file to be processed so that a user can clearly know the file data information; the parameter mapping area draws a parameter matrix of the target file according to the set port number, for example, a 2-dimensional matrix is created in a button control mode, and the parameter mapping area can be adjusted by horizontal and vertical scroll bars when exceeding a display area; the data setting area allows a user to set data format, data range, file header information and the like in the file, and is convenient for the user to carry out post-processing on the data.
The processing of the S parameter file processing system is divided into two major categories of splitting and integrating, and the two operations share the following steps:
1. the user adds the S parameter file to be processed, the system judges whether the selected file is the correct S parameter file according to the file format, and if the selected file is correct, the selected file is added into a file list;
2. displaying parameter information of the currently selected file in the selected file parameter list area, if the current file comprises four parameters of S11, S21, S12 and S222, displaying the four parameters in the file list area, and if the current file is an integration operation, adding a constant 1 (ideal reflection), a constant 0 (ideal crosstalk) and a user-specified value (such as-100);
3. appointing the number of ports, data format, file header information and data range of the processed file;
4. the system judges whether the data range is reasonable, if the data range exceeds the data range of the current file, the data value is replaced by 0, the data format is consistent with the format of the network instrument, and the same algorithm is adopted to convert the data format;
the difference between the splitting and the integrating operation is mainly in the processing of the parameter mapping area, and the specific difference is as follows:
during splitting operation, the parameter mapping area displays a parameter matrix of the currently selected file, and during integration operation, the parameter mapping area displays a parameter matrix of the port number specified by a user;
when splitting, double-clicking a certain parameter Pi in the parameter list area of the selected file, changing the color of the corresponding parameter of the parameter mapping area (for example, green indicates that the split file contains the parameter), double-clicking the parameter Pi again, and restoring the color of the corresponding parameter of the parameter mapping area to a default value (indicates that the split file does not contain the parameter);
during integration, clicking a certain parameter Pi in a parameter list area of the selected file, and clicking a certain parameter Pj in a parameter mapping area, so that the color of the Pj changes (such as green), and the parameter Pi is stored in the position of the parameter Pj; clicking Pj again, and then restoring the color to a default value to indicate that the parameter Pj has no data source; the color change of the parameter Pj during mapping of different files can distinguish the identification, so that a user can conveniently identify which file the parameter comes from;
during integration, parameters of the integrated files can be from different files, the different files can be distinguished by colors, the different files are identified by different colors in the file list, and the colors during mapping are consistent with the colors of the files, so that a user can conveniently know data sources.
In the integration, the source of the parameter Pj may be an ideal value and a user-specified value, and if no source is specified, the default is 0 or a user-specified value.
A file processing method suitable for a multi-port network instrument specifically comprises the following steps:
step 1: the system provides a user interaction interface, and after a user adds a file to be processed, whether the file is an S parameter file is analyzed according to a file format;
step 2: the correct file path and file name are displayed in a file list, and the files can be distinguished through colors or through an over-coding mode;
and step 3: the user can specify the data format of the processed file, including the port number of the file, the header information of the file, the data range, the data format and other information, if not, the data format is consistent with the selected file format;
and 4, step 4: displaying parameter information of the selected file in the parameter list, and displaying a parameter matrix in the parameter mapping area;
and 5: before or after treatment, the mapping relation is distinguished through colors, and sources can be distinguished in a mapping area display mode through a mode similar to labels and the like;
step 6: setting the source port as n, defining according to the S parameter: and Sij is a relational expression of i n + j, and a relational matrix P between parameters before and after processing is P [ k, l ] i n + j.
According to the invention, through splitting and integrating operations, the number of the processed file ports is inconsistent with the number of the processed file ports, so that the flexibility of processing the S parameter file is increased; the data format and range of the file can be changed, and a user can extract part of test data conveniently; and the split and integrated parameter mapping is provided by using an interface display mode, so that the operation of a user is facilitated.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (2)
1. An S-parameter file processing system suitable for multi-port vector network, characterized by: the system provides an operation interface for a user, wherein the interface mainly comprises a file list to be processed, the port number of S parameter files to be generated by the user, a selected file parameter list, a parameter mapping area and a data setting area; the file list to be processed can add or delete a plurality of files; selecting a file parameter list, and displaying parameter information in the currently selected file to be processed so that a user can clearly know file data information; the parameter mapping area is used for drawing a parameter matrix of the target file according to the set port number; and the data setting area allows a user to set the data format, the data range and the file header information in the file, so that the user can conveniently carry out post-processing on the data.
2. A S parameter file processing method suitable for a multi-port vector network is characterized by comprising the following steps: the system for processing the S-parameter file applicable to the multi-port vector network, according to claim 1, comprises two operation methods of splitting and integrating, wherein the two operation methods share the following steps:
step 1: the user adds the S parameter file to be processed, the system judges whether the selected file is the correct S parameter file according to the file format, and if the selected file is correct, the selected file is added into a file list;
step 2: displaying the correct file path and file name in a file list to be processed, and distinguishing files in a color or coding mode;
and step 3: the user appoints the data format of the processed file, including the port number of the file, the header information of the file, the data range and the data format information, if not, the data format is consistent with the selected file format;
and 4, step 4: displaying the parameter information of the selected file in the selected file parameter list;
and 5: before or after treatment, the mapping relation is distinguished through color, or the sources are distinguished through the form similar to labels in the parameter mapping area display;
step 6: setting a source port as n, defining S parameters: the relation matrix P between parameters before and after the relation formula defined by S parameters is P [ k, l ] ═ i × n + j;
the difference between the splitting and the integrating operation is mainly in the processing of the parameter mapping area, and the specific difference is as follows:
when the file is split, the parameter mapping area displays a parameter matrix of the currently selected file, and when the file is integrated, the parameter mapping area displays a parameter matrix of the port number specified by a user;
when splitting, double-clicking a certain parameter Pi in the selected file parameter list area, wherein the color change of the parameter corresponding to the parameter in the parameter mapping area indicates that the split file contains the parameter; double clicking the parameter Pi again, wherein the color of the parameter corresponding to the parameter mapping area is restored to a default value, which indicates that the split file does not contain the parameter;
during integration, clicking a certain parameter Pi of the selected file parameter list area, and clicking a certain parameter Pj of the parameter mapping area, so that the color of the Pj changes, and the parameter Pi is stored in the position of the parameter Pj; clicking Pj again, and then restoring the color to a default value to indicate that the parameter Pj has no data source; the color change of the parameter Pj during mapping of different files can distinguish the identification, so that a user can conveniently identify which file the parameter comes from;
during integration, parameters of the integrated files come from different files, the different files are distinguished by colors, the different files are identified by different colors in a file list, and the colors during mapping are consistent with the colors of the files, so that a user can conveniently know data sources;
during integration, the source of the parameter Pj is an ideal value and a user-specified value, and if no source is specified, the default is 0 or the user-specified value.
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