CN116625493A - Noise testing method and system and electronic equipment - Google Patents
Noise testing method and system and electronic equipment Download PDFInfo
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Abstract
The embodiment of the application provides a noise testing method, a system and electronic equipment, and relates to the field of power communication. The method comprises the following steps: acquiring noise test requirements and noise data to be tested, which contain broadband noise data and narrowband noise data; based on each mode structure configured by the multimode noise database and the mapping between the mode structures, determining the broadband and narrowband noise coupling characteristics matched with the noise test requirements, wherein the broadband and narrowband noise coupling characteristics comprise a noise coupling operation mode, a noise coupling data structure and noise coupling condition parameters; coupling noise data to be tested based on the broadband and narrowband noise coupling characteristics to generate broadband and narrowband coupling noise data; and determining network noise topology corresponding to the broadband and narrowband coupling noise data, and testing and analyzing the broadband and narrowband coupling noise data based on the network noise topology. The embodiment of the application solves the problem of lower accuracy of the existing broadband and narrowband coupling noise testing technology.
Description
Technical Field
The application relates to the technical field of power communication, in particular to a noise testing method, a system and electronic equipment.
Background
With the construction of a novel power system, distributed photovoltaic, energy storage and charging piles are connected into a low-voltage distribution network in a large scale, and noise signals generated by various power electronic devices are introduced. In order to realize accurate estimation of the power line carrier communication environment, noise topology information needs to be generated through a noise test technology, and the influence of broadband noise and narrowband noise coupling on the power line communication performance is analyzed.
The traditional broadband and narrowband coupling noise testing device and method directly utilize the collected noise information to perform power line performance analysis, neglect the influence of factors such as different operation modes during noise injection processing on the performance analysis, and greatly influence the accuracy of noise testing results.
Disclosure of Invention
The embodiment of the application provides a noise testing method, a noise testing system and electronic equipment, which are used for solving the problem of low accuracy of the existing broadband and narrowband coupling noise testing technology.
According to an aspect of an embodiment of the present application, there is provided a noise testing method including:
acquiring noise test requirements and noise data to be tested, which contain broadband noise data and narrowband noise data;
determining a broadband and narrowband noise coupling characteristic matched with the noise test requirement based on each mode structure configured by the multimode noise database and mapping between the mode structures, wherein the broadband and narrowband noise coupling characteristic comprises a noise coupling operation mode, a noise coupling data structure and noise coupling condition parameters;
coupling the noise data to be tested based on the broadband and narrowband noise coupling characteristics to generate broadband and narrowband coupling noise data;
and determining network noise topology corresponding to the broadband and narrowband coupling noise data, and testing and analyzing the broadband and narrowband coupling noise data based on the network noise topology.
In one possible implementation, the determining the wideband noise coupling feature matching the noise test requirement based on the multimode noise database configured mode structures and the mapping therebetween includes:
determining a noise coupling operation mode conforming to the noise test requirement based on comparison of an external mode in the multimode noise database with the broadband noise data and the narrowband noise data, wherein the external mode is used for representing the coupling operation mode for storing broadband noise and narrowband noise;
determining noise coupling data structures for the noise test requirements in different noise coupling operation modes based on a mapping between the external modes and conceptual modes in the multimode noise database, the conceptual modes being used to characterize data structures storing broadband noise and narrowband noise;
and determining noise coupling condition parameters aiming at the noise test requirements under different noise coupling data structures based on the mapping between the conceptual modes and an internal mode in the multimode noise database, wherein the internal mode is used for representing noise characteristic parameters for storing broadband noise and narrowband noise.
In one possible implementation manner, the determining the network noise topology corresponding to the wideband and narrowband coupling noise data, so that the wideband and narrowband coupling noise data is tested and analyzed based on the network noise topology includes:
determining a network noise topology corresponding to the broadband coupling noise data based on a network noise knowledge graph indicating interference conditions of historical noise data and noise on power line communication;
forming a noise test network aiming at the corresponding relation of the equipment to be tested corresponding to the noise data to be tested in the network noise topology, so that the noise test network is used for carrying out noise test on the broadband and narrowband coupling noise data;
and analyzing the power line communication performance index after the broadband and narrowband coupling noise data are injected based on a noise test result.
In one possible implementation, the method further includes:
and updating the network noise knowledge graph by using the broadband and narrowband coupling noise data, the noise test result and the analyzed power line communication performance index.
According to another aspect of an embodiment of the present application, there is provided a noise test system including:
the control module is used for acquiring noise test requirements and noise data to be tested, which comprises broadband noise data and narrowband noise data;
the multimode noise database is connected with the control module and is used for determining broadband and narrowband noise coupling characteristics matched with the noise test requirements based on each configured mode structure and mapping among the mode structures, and the broadband and narrowband noise coupling characteristics comprise a noise coupling operation mode, a noise coupling data structure and noise coupling condition parameters;
the broadband and narrowband coupling noise injection module is connected with the multimode noise database and is used for coupling the noise data to be tested based on the broadband and narrowband noise coupling characteristics to generate broadband and narrowband coupling noise data;
and the noise test analysis module is connected with the broadband and narrowband coupling noise injection module and is used for determining network noise topology corresponding to the broadband and narrowband coupling noise data so as to test and analyze the broadband and narrowband coupling noise data based on the network noise topology.
In one possible implementation, the multimode noise database is configured with an external mode, a conceptual mode, and an internal mode;
wherein the external mode is used for representing a coupling operation mode for storing broadband noise and narrowband noise, the conceptual mode is used for representing a data structure for storing broadband noise and narrowband noise, and the internal mode is used for representing noise characteristic parameters for storing broadband noise and narrowband noise;
the multimode noise database is further used for determining a noise coupling operation mode conforming to the noise test requirement based on the comparison between the external mode and the broadband noise data and the narrowband noise data;
determining a noise coupling data structure for the noise test requirement in different noise coupling operation modes based on a mapping between the external mode and the conceptual mode; the method comprises the steps of,
based on the mapping between the conceptual mode and the intra-mode, noise coupling condition parameters for the noise test requirements under different noise coupling data structures are determined.
In one possible implementation, the noise test analysis module includes:
the network noise knowledge graph is used for indicating interference conditions of historical noise data and noise on power line communication;
the network noise topology generation unit is connected with the network noise knowledge graph and the broadband and narrowband coupling noise injection module and is used for determining network noise topology corresponding to the broadband and narrowband coupling noise data based on the network noise knowledge graph;
the noise testing unit is connected with the network noise topology generating unit and the broadband and narrowband coupling noise injection module and is used for forming a noise testing network aiming at the corresponding relation of the equipment to be tested corresponding to the noise data to be tested in the network noise topology, so that the noise testing network is used for carrying out noise testing on the broadband and narrowband coupling noise data;
and the noise analysis unit is connected with the noise test unit and is used for analyzing the power line communication performance index after the broadband and narrowband coupling noise data are injected based on the noise test result.
In one possible implementation manner, the network noise knowledge graph is connected to the noise testing unit and the noise analysis unit, and is further configured to update the network noise knowledge graph by using the broadband-narrowband coupling noise data, the noise testing result, and the analyzed power line communication performance index.
In one possible implementation manner, the noise testing system further comprises a tested device connection module;
the tested equipment connection module is connected with the to-be-tested equipment and is used for acquiring noise test requirements and to-be-tested noise sent by the to-be-tested equipment, wherein the to-be-tested noise comprises to-be-tested broadband noise and to-be-tested narrowband noise;
the control module is connected with the tested equipment connecting module and is used for extracting signal characteristics of the noise to be tested to obtain the noise data to be tested.
According to still another aspect of the embodiments of the present application, there is provided an electronic device including a memory, a processor and a computer program stored on the memory, the processor executing the computer program to implement the steps of the noise testing method of the above embodiments.
The technical scheme provided by the embodiment of the application has the beneficial effects that:
according to the noise testing method provided by the embodiment of the application, the noise testing requirement and the noise data to be tested containing the broadband noise data and the narrowband noise data are obtained, the broadband noise coupling characteristics matched with the noise testing requirement are determined based on the mode structures configured by the multimode noise database and the mapping between the mode structures, the broadband noise coupling characteristics comprise the noise coupling operation mode, the noise coupling data structure and the noise coupling condition parameters, the noise data to be tested are coupled based on the broadband noise coupling characteristics, the broadband coupling noise data are generated, the network noise topology corresponding to the broadband coupling noise data is determined, and the broadband coupling noise data are tested and analyzed based on the network noise topology, so that the influence of factors such as different noise coupling operation modes, noise coupling data structures and noise coupling condition parameters is considered during noise coupling, the accuracy of the characteristics of the injected broadband noise is improved, the influence of the factors on noise performance testing analysis is considered, the accuracy of the noise testing results is improved, and the problem of lower broadband coupling noise testing technology is solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments of the present application will be briefly described below.
Fig. 1 is a schematic flow chart of a noise testing method according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a noise testing system according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a noise testing system according to an exemplary embodiment of the present application;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
Embodiments of the present application are described below with reference to the drawings in the present application. It should be understood that the embodiments described below with reference to the drawings are exemplary descriptions for explaining the technical solutions of the embodiments of the present application, and the technical solutions of the embodiments of the present application are not limited.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless expressly stated otherwise, as understood by those skilled in the art. It will be further understood that the terms "comprises" and "comprising," when used in this specification, specify the presence of stated features, information, data, steps, operations, elements, and/or components, but do not preclude the presence or addition of other features, information, data, steps, operations, elements, components, and/or groups thereof, all of which may be included in the present specification. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. The term "and/or" as used herein indicates that at least one of the items defined by the term, e.g., "a and/or B" may be implemented as "a", or as "B", or as "a and B".
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the embodiments of the present application will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a flowchart of a noise testing method according to an embodiment of the present application, where the noise testing method includes steps S101 to S104.
S101, acquiring noise test requirements and noise data to be tested, wherein the noise data comprises broadband noise data and narrowband noise data.
In the application, the noise test requirement and the noise to be tested, which are sent by the equipment to be tested, are acquired, wherein the noise to be tested comprises the broadband noise to be tested and the narrowband noise to be tested, and the equipment to be tested can be the power line communication equipment to be tested. And then, carrying out signal characteristic extraction processing or signal analysis processing on the broadband noise to be tested and the narrowband noise to be tested to obtain corresponding noise data to be tested, wherein the noise data to be tested contains characteristic information such as time domain sequence characteristics, broadband and narrowband frequency spectrum characteristics, energy characteristics, power characteristics, noise types, noise data structures, noise data operation modes, injection time, injection positions and the like. Specifically, the operation mode of noise data is obtained by performing fourier transformation on the broadband noise to be detected and the narrowband noise to be detected, performing frequency domain analysis to obtain broadband and narrowband frequency spectrum characteristics, and performing operations such as data query, data operation, data definition, data control and the like. Therefore, the application is convenient for extracting the key information in the noise signal to be tested and extracting the relation between different characteristics in the noise by aiming at the signal characteristic extraction of the signal to be tested, thereby being beneficial to the subsequent noise coupling processing.
S102, based on each mode structure configured by the multimode noise database and mapping between the mode structures, determining broadband and narrowband noise coupling characteristics matched with the noise test requirements, wherein the broadband and narrowband noise coupling characteristics comprise a noise coupling operation mode, a noise coupling data structure and noise coupling condition parameters.
And S103, coupling the noise data to be tested based on the broadband and narrowband noise coupling characteristics to generate broadband and narrowband coupling noise data.
It should be noted that the multimode noise database stores data resources of broadband noise and narrowband noise about a coupling operation mode, a coupling data structure, a characteristic parameter, and the like. The multimode noise database is divided into three layers of a user level, a concept level and a physical level, and each layer is provided with a mode for logically describing data, namely a mode structure, and is correspondingly an external mode, a concept mode and an internal mode. In the present application, the external mode is used to describe a coupling operation mode for storing broadband noise and narrowband noise, the conceptual mode is used to describe a data structure for storing broadband noise and narrowband noise, and the internal mode is used to describe a noise characteristic parameter for storing broadband noise and narrowband noise. Therefore, the application considers the association relation among the data through the external mode, the conceptual mode and the internal mode and the mapping relation among the external mode, generates the broadband and narrowband noise coupling characteristics corresponding to the coupling of the broadband noise and the narrowband noise, can consider the influence of factors such as the noise coupling operation mode, the noise coupling data structure, the noise coupling condition parameters and the like on the noise coupling, and improves the accuracy of the synthesized noise data.
In some embodiments, the determining the wideband noise coupling characteristics matching the noise test requirements based on the multimode noise database configured schema structures and the mapping therebetween includes:
determining a noise coupling operation mode conforming to the noise test requirement based on comparison of an external mode in the multimode noise database with the broadband noise data and the narrowband noise data, wherein the external mode is used for representing the coupling operation mode for storing broadband noise and narrowband noise;
determining noise coupling data structures for the noise test requirements in different noise coupling operation modes based on a mapping between the external modes and conceptual modes in the multimode noise database, the conceptual modes being used to characterize data structures storing broadband noise and narrowband noise;
and determining noise coupling condition parameters aiming at the noise test requirements under different noise coupling data structures based on the mapping between the conceptual modes and an internal mode in the multimode noise database, wherein the internal mode is used for representing noise characteristic parameters for storing broadband noise and narrowband noise.
In this embodiment, for the external mode, each noise data corresponds to a wideband noise coupling operation mode, and then the coupling operation mode of the noise data to be tested is determined by comparing the similarity between the wideband noise data and the narrowband noise data in the noise data to be tested and the coupling operation mode stored in the external mode, so as to select the noise coupling operation mode conforming to the noise test requirement. Secondly, the noise coupling data structure after the broadband and narrowband noise coupling in different coupling operation modes is determined according to the mutual mapping of the external mode and the conceptual mode and the noise test requirement. In addition, according to the mutual mapping of the concept mode and the internal mode and in combination with the noise test requirement, noise coupling condition parameters such as data of frequency spectrum range, frequency point, amplitude and the like required by broadband noise coupling under different noise coupling data structures are generated. And further, performing noise coupling on the broadband noise data and the narrowband noise data according to the noise coupling operation mode, the noise coupling data structure and the noise coupling condition parameters to obtain corresponding broadband and narrowband coupling noise data. Therefore, in this embodiment, the noise coupling operation mode, the noise coupling data structure, and the noise coupling condition parameter are mapped through the external mode, the conceptual mode, and the internal mode, so as to perform noise coupling of the wideband noise data and the narrowband noise data, so that the obtained wideband narrowband coupling noise data has higher accuracy in consideration of the influence of factors such as the coupling operation mode, the data structure, the coupling condition parameter, and the like.
S104, determining network noise topology corresponding to the broadband and narrowband coupling noise data, and testing and analyzing the broadband and narrowband coupling noise data based on the network noise topology.
According to the noise testing method, through obtaining noise testing requirements and noise data to be tested, which contain broadband noise data and narrowband noise data, based on various mode structures configured by a multimode noise database and mapping between the mode structures, broadband noise coupling characteristics matched with the noise testing requirements are determined, the broadband noise coupling characteristics comprise noise coupling operation modes, noise coupling data structures and noise coupling condition parameters, the noise data to be tested are coupled based on the broadband noise coupling characteristics, broadband coupling noise data are generated, network noise topology corresponding to the broadband noise data is determined, and the broadband noise data are tested and analyzed based on the network noise topology.
In some embodiments, the determining a network noise topology corresponding to the wideband and narrowband coupling noise data, causing the wideband and narrowband coupling noise data to be tested and analyzed based on the network noise topology, comprises:
determining a network noise topology corresponding to the broadband coupling noise data based on a network noise knowledge graph indicating interference conditions of historical noise data and noise on power line communication;
forming a noise test network aiming at the corresponding relation of the equipment to be tested corresponding to the noise data to be tested in the network noise topology, so that the noise test network is used for carrying out noise test on the broadband and narrowband coupling noise data;
and analyzing the power line communication performance index after the broadband and narrowband coupling noise data are injected based on a noise test result.
In this embodiment, a network noise knowledge graph is constructed based on historical noise data and interference conditions of noise on power line communication. And then, generating a network noise topology corresponding to the current broadband narrow-band coupling noise data by using the network noise knowledge graph. According to the corresponding relation of the equipment to be tested in the network noise topology, a noise test network under the injection of the wide and narrow band coupling noise is formed so as to simulate the noise test, and a noise test result, such as data of communication frequency, signal intensity, data packet integrity and the like in the process of data sending and receiving in the equipment communication process, is obtained. Further, the noise test result is used for analyzing the power line communication performance indexes such as signal-to-interference-and-noise ratio, communication error rate, transmission packet loss rate, broadband and narrowband frequency point attenuation, transmission frequency change and the like. Therefore, the accuracy of the generated network noise topology is improved through the network noise knowledge graph, and the accuracy of noise test and analysis is further improved.
In some embodiments, the method further comprises:
and updating the network noise knowledge graph by using the broadband and narrowband coupling noise data, the noise test result and the analyzed power line communication performance index.
In this embodiment, the broadband-narrowband coupling noise data, the corresponding noise test result and the performance index analysis result are updated to update the current network noise knowledge graph, so that the content of the network noise knowledge graph is expanded, the network noise topology generated subsequently is more accurate, and the accuracy of the power line communication performance test result under noise injection is improved.
Fig. 2 is a schematic structural diagram of a noise testing system according to an embodiment of the present application, where the noise testing system 2 includes:
a control module 21, configured to obtain noise test requirements and noise data to be tested including wideband noise data and narrowband noise data;
a multimode noise database 22, connected to the control module 21, for determining, based on the configured mode structures and the mapping therebetween, a broadband and narrowband noise coupling characteristic matched with the noise test requirement, wherein the broadband and narrowband noise coupling characteristic includes a noise coupling operation mode, a noise coupling data structure and a noise coupling condition parameter;
the broadband and narrowband coupling noise injection module 23 is connected to the multimode noise database 22 and is used for coupling the noise data to be tested based on the broadband and narrowband noise coupling characteristics to generate broadband and narrowband coupling noise data;
the noise test analysis module 24 is connected to the wideband and narrowband coupling noise injection module 23, and is configured to determine a network noise topology corresponding to the wideband and narrowband coupling noise data, so that the wideband and narrowband coupling noise data is tested and analyzed based on the network noise topology.
According to the noise testing system provided by the embodiment of the application, the noise testing requirement and the noise data to be tested comprising broadband noise data and narrowband noise data are obtained through the control module; the multimode noise database determines broadband and narrowband noise coupling characteristics matched with the noise test requirements based on each configured mode structure and mapping between the broadband and narrowband noise coupling characteristics, the broadband and narrowband noise coupling characteristics comprise noise coupling operation modes, noise coupling data structures and noise coupling condition parameters, the broadband and narrowband coupling noise injection module couples the noise data to be tested based on the broadband and narrowband noise coupling characteristics to generate broadband and narrowband coupling noise data, the noise test analysis module determines network noise topology corresponding to the broadband and narrowband coupling noise data, and tests and analyzes the broadband and narrowband coupling noise data based on the network noise topology, so that influences of factors such as different noise coupling operation modes, noise coupling data structures, noise coupling condition parameters and the like are considered during noise coupling, accuracy of the injected broadband and narrowband coupling noise characteristics is improved, then accuracy of noise performance test analysis results is improved by considering influences of the factors, and accordingly the problem of low accuracy of the existing broadband and narrowband coupling noise test technology is solved.
In some embodiments, fig. 3 is a schematic structural diagram of a noise testing system according to an exemplary embodiment of the present application, where the noise testing system 2 further includes a device under test connection module 25;
the device under test connection module 25 is connected to the device under test 3, and is configured to obtain a noise test requirement sent by the device under test and noise under test, where the noise under test includes broadband noise under test and narrowband noise under test;
the control module 21 is connected to the device under test connection module 25, and is configured to perform signal feature extraction on the noise under test to obtain the noise data under test.
In some embodiments, the multimode noise database 22 is configured with an external mode, a conceptual mode, and an internal mode;
the external mode is used for storing a coupling operation mode of broadband noise and narrowband noise, the conceptual mode is used for storing a data structure of the broadband noise and the narrowband noise, and the internal mode is used for storing noise characteristic parameters of the broadband noise and the narrowband noise;
the multimode noise database is further used for determining a noise coupling operation mode conforming to the noise test requirement based on the comparison between the external mode and the broadband noise data and the narrowband noise data;
determining a noise coupling data structure for the noise test requirement in different noise coupling operation modes based on a mapping between the external mode and the conceptual mode; the method comprises the steps of,
based on the mapping between the conceptual mode and the intra-mode, noise coupling condition parameters for the noise test requirements under different noise coupling data structures are determined.
In some embodiments, as shown in fig. 3, the noise test analysis module 24 includes:
a network noise knowledge graph 241, configured to indicate interference conditions of historical noise data and noise on power line communication;
a network noise topology generation unit 242, connected to the network noise knowledge graph 241 and the broadband-narrowband coupling noise injection module 23, configured to determine a network noise topology corresponding to the broadband-narrowband coupling noise data based on the network noise knowledge graph;
a noise testing unit 243, connected to the network noise topology generating unit 242 and the broadband-narrowband coupling noise injection module 23, configured to form a noise testing network for a corresponding relationship of the device to be tested 3 corresponding to the noise data to be tested in the network noise topology, so that the broadband-narrowband coupling noise data is noise tested based on the noise testing network;
and a noise analysis unit 244, connected to the noise test unit 243, for analyzing the performance index of the power line communication after the broadband and narrowband coupling noise data is injected, based on the noise test result.
In some embodiments, the network noise knowledge graph 241 is connected to the noise testing unit 243 and the noise analysis unit 244, and is further configured to update the network noise knowledge graph using the broadband-narrowband coupling noise data, the noise testing result, and the analyzed power line communication performance index.
In the present application, referring to fig. 3, the noise testing system 2 further includes a communication module 26, where the communication module 26 is configured to communicate with an upper server, receive a wideband and narrowband noise signal, and upload a noise testing result and a noise analysis result. And, the noise testing system 2 further comprises a power module 27 for powering the modules in the noise testing system.
The system of the embodiment of the present application may execute the method provided by the embodiment of the present application, and its implementation principle is similar, and actions executed by each module in the system of each embodiment of the present application correspond to steps in the method of each embodiment of the present application, and detailed functional descriptions of each module of the system may be referred to the descriptions in the corresponding methods shown in the foregoing, which are not repeated herein.
The embodiment of the application provides an electronic device, which comprises a memory, a processor and a computer program stored on the memory, wherein the processor executes the computer program to realize the steps of a noise testing method, and compared with the related technology, the method can realize the following steps: during noise coupling, the influences of different noise coupling operation modes, noise coupling data structures, noise coupling condition parameters and other factors are considered, the accuracy of the characteristics of the injected broadband and narrowband coupling noise is improved, and then the influence of the factors on noise performance test analysis is considered, the accuracy of a noise test result is improved, so that the problem of lower accuracy of the existing broadband and narrowband coupling noise test technology is solved.
In an alternative embodiment, an electronic device is provided, as shown in fig. 4, the electronic device 4000 shown in fig. 4 includes: a processor 4001 and a memory 4003. Wherein the processor 4001 is coupled to the memory 4003, such as via a bus 4002. Optionally, the electronic device 4000 may further comprise a transceiver 4004, the transceiver 4004 may be used for data interaction between the electronic device and other electronic devices, such as transmission of data and/or reception of data, etc. It should be noted that, in practical applications, the transceiver 4004 is not limited to one, and the structure of the electronic device 4000 is not limited to the embodiment of the present application.
The processor 4001 may be a CPU (Central Processing Unit ), general purpose processor, DSP (Digital Signal Processor, data signal processor), ASIC (Application Specific Integrated Circuit ), FPGA (Field Programmable Gate Array, field programmable gate array) or other programmable logic device, transistor logic device, hardware components, or any combination thereof. Which may implement or perform the various exemplary logic blocks, modules and circuits described in connection with this disclosure. The processor 4001 may also be a combination that implements computing functionality, e.g., comprising one or more microprocessor combinations, a combination of a DSP and a microprocessor, etc.
Bus 4002 may include a path to transfer information between the aforementioned components. Bus 4002 may be a PCI (Peripheral Component Interconnect, peripheral component interconnect standard) bus or an EISA (Extended Industry Standard Architecture ) bus, or the like. The bus 4002 can be divided into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in fig. 4, but not only one bus or one type of bus.
Memory 4003 may be, but is not limited to, ROM (Read Only Memory) or other type of static storage device that can store static information and instructions, RAM (Random Access Memory ) or other type of dynamic storage device that can store information and instructions, EEPROM (Electrically Erasable Programmable Read Only Memory ), CD-ROM (Compact Disc Read Only Memory, compact disc Read Only Memory) or other optical disk storage, optical disk storage (including compact discs, laser discs, optical discs, digital versatile discs, blu-ray discs, etc.), magnetic disk storage media, other magnetic storage devices, or any other medium that can be used to carry or store a computer program and that can be Read by a computer.
The memory 4003 is used for storing a computer program for executing an embodiment of the present application, and is controlled to be executed by the processor 4001. The processor 4001 is configured to execute a computer program stored in the memory 4003 to realize the steps shown in the foregoing method embodiment.
The foregoing is merely an optional implementation manner of some of the implementation scenarios of the present application, and it should be noted that, for those skilled in the art, other similar implementation manners based on the technical ideas of the present application are adopted without departing from the technical ideas of the scheme of the present application, and the implementation manner is also within the protection scope of the embodiments of the present application.
Claims (10)
1. A noise testing method, comprising:
acquiring noise test requirements and noise data to be tested, which contain broadband noise data and narrowband noise data;
determining a broadband and narrowband noise coupling characteristic matched with the noise test requirement based on each mode structure configured by the multimode noise database and mapping between the mode structures, wherein the broadband and narrowband noise coupling characteristic comprises a noise coupling operation mode, a noise coupling data structure and noise coupling condition parameters;
coupling the noise data to be tested based on the broadband and narrowband noise coupling characteristics to generate broadband and narrowband coupling noise data;
and determining network noise topology corresponding to the broadband and narrowband coupling noise data, and testing and analyzing the broadband and narrowband coupling noise data based on the network noise topology.
2. The noise testing method of claim 1, wherein said determining a wideband noise coupling characteristic matching said noise testing requirements based on each pattern structure configured by a multimode noise database and a mapping therebetween comprises:
determining a noise coupling operation mode conforming to the noise test requirement based on comparison of an external mode in the multimode noise database with the broadband noise data and the narrowband noise data, wherein the external mode is used for representing the coupling operation mode for storing broadband noise and narrowband noise;
determining noise coupling data structures for the noise test requirements in different noise coupling operation modes based on a mapping between the external modes and conceptual modes in the multimode noise database, the conceptual modes being used to characterize data structures storing broadband noise and narrowband noise;
and determining noise coupling condition parameters aiming at the noise test requirements under different noise coupling data structures based on the mapping between the conceptual modes and an internal mode in the multimode noise database, wherein the internal mode is used for representing noise characteristic parameters for storing broadband noise and narrowband noise.
3. The noise testing method according to claim 1, wherein said determining a network noise topology corresponding to the broadband-narrowband coupling noise data, causing the broadband-narrowband coupling noise data to be tested and analyzed based on the network noise topology, comprises:
determining a network noise topology corresponding to the broadband coupling noise data based on a network noise knowledge graph indicating interference conditions of historical noise data and noise on power line communication;
forming a noise test network aiming at the corresponding relation of the equipment to be tested corresponding to the noise data to be tested in the network noise topology, so that the noise test network is used for carrying out noise test on the broadband and narrowband coupling noise data;
and analyzing the power line communication performance index after the broadband and narrowband coupling noise data are injected based on a noise test result.
4. A noise testing method according to claim 3, characterized in that the method further comprises:
and updating the network noise knowledge graph by using the broadband and narrowband coupling noise data, the noise test result and the analyzed power line communication performance index.
5. A noise testing system, comprising:
the control module is used for acquiring noise test requirements and noise data to be tested, which comprises broadband noise data and narrowband noise data;
the multimode noise database is connected with the control module and is used for determining broadband and narrowband noise coupling characteristics matched with the noise test requirements based on each configured mode structure and mapping among the mode structures, and the broadband and narrowband noise coupling characteristics comprise a noise coupling operation mode, a noise coupling data structure and noise coupling condition parameters;
the broadband and narrowband coupling noise injection module is connected with the multimode noise database and is used for coupling the noise data to be tested based on the broadband and narrowband noise coupling characteristics to generate broadband and narrowband coupling noise data;
and the noise test analysis module is connected with the broadband and narrowband coupling noise injection module and is used for determining network noise topology corresponding to the broadband and narrowband coupling noise data so as to test and analyze the broadband and narrowband coupling noise data based on the network noise topology.
6. The noise testing system of claim 5, wherein the multimode noise database is configured with an external mode, a conceptual mode, and an internal mode;
wherein the external mode is used for representing a coupling operation mode for storing broadband noise and narrowband noise, the conceptual mode is used for representing a data structure for storing broadband noise and narrowband noise, and the internal mode is used for representing noise characteristic parameters for storing broadband noise and narrowband noise;
the multimode noise database is further used for determining a noise coupling operation mode conforming to the noise test requirement based on the comparison between the external mode and the broadband noise data and the narrowband noise data;
determining a noise coupling data structure for the noise test requirement in different noise coupling operation modes based on a mapping between the external mode and the conceptual mode; the method comprises the steps of,
based on the mapping between the conceptual mode and the intra-mode, noise coupling condition parameters for the noise test requirements under different noise coupling data structures are determined.
7. The noise testing system of claim 5, wherein the noise test analysis module comprises:
the network noise knowledge graph is used for indicating interference conditions of historical noise data and noise on power line communication;
the network noise topology generation unit is connected with the network noise knowledge graph and the broadband and narrowband coupling noise injection module and is used for determining network noise topology corresponding to the broadband and narrowband coupling noise data based on the network noise knowledge graph;
the noise testing unit is connected with the network noise topology generating unit and the broadband and narrowband coupling noise injection module and is used for forming a noise testing network aiming at the corresponding relation of the equipment to be tested corresponding to the noise data to be tested in the network noise topology, so that the noise testing network is used for carrying out noise testing on the broadband and narrowband coupling noise data;
and the noise analysis unit is connected with the noise test unit and is used for analyzing the power line communication performance index after the broadband and narrowband coupling noise data are injected based on the noise test result.
8. The noise testing system of claim 7, wherein the network noise knowledge graph is connected to the noise testing unit and the noise analysis unit, and is further configured to update the network noise knowledge graph using the broadband-narrowband coupling noise data, the noise testing result, and the analyzed power line communication performance index.
9. The noise testing system of claim 5, further comprising a device under test connection module;
the tested equipment connection module is connected with the to-be-tested equipment and is used for acquiring noise test requirements and to-be-tested noise sent by the to-be-tested equipment, wherein the to-be-tested noise comprises to-be-tested broadband noise and to-be-tested narrowband noise;
the control module is connected with the tested equipment connecting module and is used for extracting signal characteristics of the noise to be tested to obtain the noise data to be tested.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory, characterized in that the processor executes the computer program to implement the steps of the noise testing method of any of claims 1-4.
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