CN114205010B - Signal testing device, system, method and storage medium - Google Patents
Signal testing device, system, method and storage medium Download PDFInfo
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- CN114205010B CN114205010B CN202111364491.4A CN202111364491A CN114205010B CN 114205010 B CN114205010 B CN 114205010B CN 202111364491 A CN202111364491 A CN 202111364491A CN 114205010 B CN114205010 B CN 114205010B
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Abstract
The application relates to a signal testing device, a system, a method and a storage medium. The method comprises the following steps: the system comprises a control component, a Radio Frequency (RF) matrix component, a first switching component and a second switching component, wherein the RF matrix component comprises a plurality of signal transmission channels, and the total number of the signal channels in the RF matrix component is larger than a preset threshold value. The control component controls the conduction of the corresponding number of target signal transmission channels according to the number of signal channels to be tested, so that each target signal transmission channel obtains a test signal through the first switching component and outputs the test signal to the test equipment through the second switching component. In the scheme, the RF matrix assembly can realize the conduction of multiple signal channels, for example, the RF matrix assembly comprises at least 8 signal channels, is suitable for the output test scene of the multiple channel signals in the prior art, avoids the complexity that the 4-channel signal testing device in the prior art needs to be manually disassembled and assembled, and improves the signal testing efficiency in the multiple channel signal testing environment.
Description
Technical Field
The present application relates to the field of signal testing technologies, and in particular, to a signal testing device, a system, a method, and a storage medium.
Background
Along with the continuous improvement of the data signal transmission rate of digital products, the requirements on the reliability of the transmission signal are more and more strict, and the signal test is an important object of attention as a key basis for judging the signal quality.
In the prior art, a 4-channel Vector Network Analyzer (VNA) test box is generally used to perform 4-channel signal test according to signal test specifications of industry association, or a third party test software is adopted to perform corresponding signal test through software-level algorithm analysis.
However, for the scenario of multi-channel signal testing, the existing signal testing method has the limitation of channel testing, so that an operator is required to disassemble and reconnect the testing equipment after testing the current group of channel signals, and then test the next group of channel signals, the whole signal testing process is complex, and the problems of time waste and manpower waste exist.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a signal testing device, system, method, and storage medium that can improve signal testing efficiency.
In a first aspect, there is provided a signal testing apparatus comprising: the device comprises a control assembly, a Radio Frequency (RF) matrix assembly, a first switching assembly and a second switching assembly; the RF matrix assembly comprises a plurality of signal transmission channels, and the total number of the signal channels in the RF matrix assembly is larger than a preset threshold value;
The control component is used for controlling the conduction of the corresponding number of target signal transmission channels according to the number of signal channels to be tested, so that each target signal transmission channel obtains a test signal through the first switching component and outputs the test signal to the test equipment through the second switching component.
In this embodiment, the signal testing device is constructed based on the RF matrix assembly, the control assembly and the switching assembly, where the RF matrix assembly may implement conduction of multiple signal channels, for example, the RF matrix assembly may include at least 8 signal channels or more signal channels, based on which conduction of at least 8 signal channels or even conduction of more signal channels is controlled by the control assembly, so that output testing of test signals can be implemented through different signal channels without disassembling the testing device, and the signal testing device is applicable to multiple channel signal output testing scenarios in the prior art, and replaces the few channel signal testing devices in the prior art, so that complexity and limitation of manual disassembly and assembly of the few channel signal testing devices in the multiple channel testing environment are avoided, and signal testing efficiency in the multiple channel signal testing environment is improved.
In one alternative embodiment, the RF matrix assembly includes a first RF switching matrix and a second RF switching matrix; the first RF switching matrix includes a plurality of first signal transmission channels, and the second RF switching matrix includes a plurality of second signal transmission channels; the first signal transmission channel is connected with the corresponding second signal transmission channel;
The control component is used for controlling the conduction of the corresponding number of first signal transmission channels and the corresponding second signal transmission channels according to the number of signal channels to be tested.
In this embodiment, the RF matrix assembly of the signal testing apparatus includes a first RF switching matrix and a second RF switching matrix, so that the purposes of splitting, extracting and combining signals and outputting signals can be achieved, thereby implementing output tests of signals of multiple channels.
In one of the alternative embodiments, the first RF switching matrix includes a first switch and at least two first path components, the second RF switching matrix includes a second switch and at least two second path components, each of the first path components and the second path components includes a plurality of signal transmission channels, and each of the signal transmission channels of the first path components is connected to a corresponding signal transmission channel of the second path components;
And the control assembly is used for controlling the conduction of the signal transmission channels in the first path assembly and the second path assembly through the first switch and the second switch according to the number of signal channels to be tested.
In this embodiment, the first RF switching matrix and the second RF switching matrix of the signal testing apparatus are each composed of a switch and a channel component, so as to form a plurality of signal transmission channels, and the on state of the signal transmission channels is switched by controlling the switch to be closed or opened, so as to realize the output test of signals of the plurality of channels.
In one alternative embodiment, the number of signal transmission channels in each first path assembly is equal and the number of signal transmission channels in each second path assembly is equal.
In this embodiment, the number of signal transmission channels in the first path component is equal, and the number of signal transmission channels in the second path component is equal, so as to implement multi-channel signal testing of differential signals, and improve signal testing efficiency.
In one of the alternative embodiments, the first path assembly comprises a third switch and a plurality of first adapters respectively connected with the third switch, the second path assembly comprises a fourth switch and a plurality of second adapters respectively connected with the fourth switch, the third switch is connected with the first switch, the fourth switch is connected with the second switch, and each first adapter is connected with a corresponding second adapter;
The control assembly is used for controlling the corresponding first adapter to be conducted through the first switch and the third switch according to the number of signal channels to be tested, and controlling the corresponding second adapter to be conducted through the second switch and the fourth switch according to the number of signal channels to be tested.
In this embodiment, the RF matrix assembly in the signal testing apparatus is designed, so that the control assembly can implement the test for controlling the interaction between all the single-group signals and/or different-group signals in the whole-group signals based on the RF matrix assembly, and can screen out the worse channel signals in the tested signal channels and the better signal channels in the tested signal channels at one time, which is beneficial to the design and judgment of engineers.
In one alternative embodiment, the first RF switching matrix and the second RF switching matrix are symmetric matrices.
In this embodiment, the first RF switching matrix and the second RF switching matrix are symmetric matrices, so that symmetric transmission of branching and combining of signals can be realized, thereby realizing signal testing of multi-channel signals.
In one alternative embodiment, the first RF switching matrix and the second RF switching matrix comprise a plurality of single pole, multi-throw switches.
In this embodiment, the switching conduction of the multiple channels of the first RF switching matrix and the second RF switching matrix can be realized based on the single-pole multi-throw switch, and the design principle of the signal testing device is simple.
In a second aspect, there is provided a signal testing system comprising: the signal testing device, the device to be tested and the testing device provided in the first aspect;
And the test equipment acquires a test signal from the equipment to be tested through the signal test device, and performs signal test according to the test signal.
In a third aspect, a signal testing method is provided, which is applied to the signal testing device provided in the first aspect, and the method includes:
According to a preset test instruction, determining a target signal transmission channel of a Radio Frequency (RF) matrix component in the signal test device;
And controlling the conduction of the target signal transmission channel, and outputting the test signal to the test equipment through the target signal transmission channel.
In one alternative embodiment, the RF matrix assembly includes a plurality of signal transmission channels; control signal transmission channel conduction includes:
determining the conduction sequence of all signal transmission channels in the RF matrix assembly according to the target signal transmission channels;
and sequentially controlling the signal transmission channels to be conducted according to the conduction sequence.
In a fourth aspect, a computer-readable storage medium is provided, on which a computer program is stored, which computer program, when being executed by a processor, implements the signal testing method according to any of the above third aspects.
The signal testing device, the system, the method and the storage medium comprise a control component, a Radio Frequency (RF) matrix component, a first switching component and a second switching component, wherein the RF matrix component comprises a plurality of signal transmission channels, and the total number of the signal channels in the RF matrix component is larger than a preset threshold value. The control component controls the conduction of the corresponding number of target signal transmission channels according to the number of signal channels to be tested, so that each target signal transmission channel obtains a test signal through the first switching component and outputs the test signal to the test equipment through the second switching component. In the scheme, the signal testing device is constructed based on the RF matrix component, the control component and the switching component, wherein the RF matrix component can realize the conduction of multiple signal channels, for example, the RF matrix component can comprise at least 8 signal channels, and based on the conduction of at least 8 signal channels or even more signal channels is controlled by the control component, so that the output test of test signals can be realized through different signal channels under the condition that the testing device is not disassembled, the signal testing device can be suitable for the output test scene of the multiple channel signals in the prior art, the few-channel signal testing device in the prior art is replaced, the complexity and the limitation of the few-channel signal testing device applied in the multiple channel test environment, which are required to be disassembled and assembled manually, and the signal testing efficiency under the multiple channel signal testing environment is improved.
Drawings
FIG. 1 is a schematic diagram of a signal testing device according to an embodiment;
FIG. 2 is a schematic diagram of a signal testing device according to an embodiment;
FIG. 3 is a schematic diagram of a signal testing device according to an embodiment;
FIG. 4 is a schematic diagram of a signal testing device according to an embodiment;
FIG. 5 is a schematic diagram of a signal testing device according to an embodiment;
FIG. 6 is a schematic diagram of a signal testing system in one embodiment;
FIG. 7 is a flow chart of a signal testing method in one embodiment;
FIG. 8 is a flow chart of a signal testing method in one embodiment.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
It will be understood that the terms first, second, etc. as used herein may be used to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another element. For example, a first client may be referred to as a second client, and similarly, a second client may be referred to as a first client, without departing from the scope of the application. Both the first client and the second client are clients, but they are not the same client.
In one embodiment, as shown in fig. 1, there is provided a signal testing apparatus 1, the signal testing apparatus 1 including: a control assembly 11, a radio frequency RF matrix assembly 12, a first switching assembly 13 and a second switching assembly 14. Wherein the RF matrix assembly 12 includes a plurality of signal transmission channels 121, and the total number of signal channels in the RF matrix assembly 12 is greater than a preset threshold.
The control component 11 is configured to control, according to the number of signal channels to be tested, the conduction of a corresponding number of target signal transmission channels, so that each target signal transmission channel obtains a test signal through the first switching component, and outputs the test signal to the test device 2 through the second switching component.
Wherein, the control component 11 can be any controller, for example, the control component can be a logic interface development board (Field Programmable GATE ARRAY, FPGA); or other single-chip microcomputer and circuit board with control function. The first switching component 13 and the second switching component 14 may be the same type of switching component, or may be different types of switching components, for example, the switching components may be a high-speed serial computer expansion bus standard (PERIPHERAL COMPONENT INTERCONNECT EXPRESS, PCIE) switching jig card, or may be other high-speed switches, and product selection of each component is not limited in this embodiment.
In this embodiment, in the scenario of signal testing, through the signal testing apparatus, as shown in fig. 1, the device to be tested 3 is connected through the first switching component 13, the test signal is led out from the device to be tested, and the signal is output to the testing device 2 through the target signal transmission channel in the RF matrix component 12 and the second switching component 14, so that the testing device performs signal testing or signal processing such as signal analysis according to the led-out test signal. Alternatively, the components and devices may be connected by coaxial test cables.
Further, the RF matrix assembly may include a plurality of channels, for example, for an 8-channel signal testing scenario, the RF matrix assembly may include 8 signal transmission channels, or include 16 signal transmission channels, etc., and the control assembly controls whether each signal transmission channel in the RF matrix assembly is turned on by communicating with the RF matrix assembly, so as to complete a switching test of different combinations of signal transmission channels in the RF matrix assembly. Optionally, the script in the control component for executing the control RF matrix component may edit and load a test script based on the visual control interface, where the test script includes a control sequence and a switching condition of each signal transmission channel in the RF matrix component, so as to complete a switching test of different combinations of signal transmission channels in the RF matrix component.
The signal testing device comprises a control component, a Radio Frequency (RF) matrix component, a first switching component and a second switching component, wherein the RF matrix component comprises a plurality of signal transmission channels, and the total number of the signal channels in the RF matrix component is larger than a preset threshold value. The control component controls the conduction of the corresponding number of target signal transmission channels according to the number of signal channels to be tested, so that each target signal transmission channel obtains a test signal through the first switching component and outputs the test signal to the test equipment through the second switching component. In the scheme, the signal testing device is constructed based on the RF matrix component, the control component and the switching component, wherein the RF matrix component can realize the conduction of multiple signal channels, for example, the RF matrix component can comprise at least 8 signal channels, and based on the conduction of at least 8 signal channels or even more signal channels is controlled by the control component, so that the output test of test signals can be realized through different signal channels under the condition that the testing device is not disassembled, the signal testing device can be suitable for the output test scene of the multiple channel signals in the prior art, the few-channel signal testing device in the prior art is replaced, the complexity and the limitation of the few-channel signal testing device applied in the multiple channel test environment, which are required to be disassembled and assembled manually, and the signal testing efficiency under the multiple channel signal testing environment is improved.
The RF matrix assembly requires signal extraction, signal transmission and signal output, in one alternative embodiment, as shown in fig. 2, the RF matrix assembly 12 includes a first RF switching matrix 122 and a second RF switching matrix 123; the first RF switching matrix 122 includes a plurality of first signal transmission channels, and the second RF switching matrix 123 includes a plurality of second signal transmission channels; the first signal transmission channel is connected with the corresponding second signal transmission channel;
the control component 11 is configured to control the conduction of a corresponding number of first signal transmission channels and corresponding second signal transmission channels according to the number of signal channels to be tested.
After the signals are led out from the equipment to be tested, the signals are transmitted in a branching way through each signal transmission channel in the first RF switching matrix, and are output in a combining way through each signal transmission channel in the second RF switching matrix, and based on the signals, the signal transmission channels in the first RF switching matrix and the signal transmission channels in the second RF switching matrix are mutually corresponding. Optionally, the first RF switching matrix and the second RF switching matrix are symmetric matrices. Illustratively, the first RF switching matrix includes 8 signal transmission channels, and the second RF switching matrix also includes corresponding 8 signal transmission channels.
In this embodiment, the signal testing device may be applicable to an 8-channel testing environment, or may be applicable to a 16-channel testing environment, or may be applicable to a testing environment with more channels. By using an 8-channel test environment for illustration, the first RF switching matrix includes 8 signal transmission channels, the second RF switching matrix includes 8 signal transmission channels, and the control component can control conduction of each channel in the first RF switching matrix and the second RF switching matrix according to a certain control sequence according to the 8 signal transmission channels, for example, channel 1 of the first RF switching matrix and channel 1 of the second RF switching matrix are conducted to realize conduction test of the first signal transmission channels; the channel 2 of the first RF switching matrix and the channel 2 of the second RF switching matrix are turned on to realize the on test of the second signal transmission channel, which is not limited in this embodiment.
In this embodiment, the RF matrix assembly of the signal testing apparatus includes a first RF switching matrix and a second RF switching matrix, so that the purposes of splitting, extracting and combining signals and outputting signals can be achieved, thereby implementing output tests of signals of multiple channels.
Alternatively, the plurality of channels in the RF matrix assembly may be formed by switches, in one alternative embodiment, as shown in fig. 3, the first RF switching matrix 122 includes a first switch 1221 and at least two first path assemblies 1222, the second RF switching matrix 123 includes a second switch 1231 and at least two second path assemblies 1232, the first path assemblies 1222 and the second path assemblies 1232 each include a plurality of signal transmission channels, and each signal transmission channel of a first path assembly is connected to a corresponding signal transmission channel of a second path assembly.
And the control assembly is used for controlling the conduction of the signal transmission channels in the first path assembly and the second path assembly through the first switch and the second switch according to the number of signal channels to be tested.
The first switch 1221 may be a single pole double throw switch or a single pole multiple throw switch, for example, the first switch may be a 1/4 switch, and the second switch is similar to the first switch. As shown in fig. 3, an exemplary diagram of the first switch and the second switch being 1/2 switches is given in fig. 3. The first path assembly 1222 may be comprised of a switch and an adapter, with the second path assembly being similar. As shown in fig. 3, an example diagram of 4 channels formed by each first path assembly including a 1/4 switch and an adapter is given. Optionally, the number of signal transmission channels in each first path assembly is equal, and the number of signal transmission channels in each second path assembly is equal.
Alternatively, as shown in fig. 3, the first switching component of the signal testing device may be connected to the device to be tested through the port 1 of the testing device to draw out the test signal of the device to be tested, and the second switching component of the signal testing device is connected to the port 2 of the testing device to output the test signal to the testing device through the port 2 for signal testing analysis, which is not limited in this embodiment.
In this embodiment, illustratively, in an 8-channel test environment, the control component controls the first channel component and 8 signal transmission channels in the second channel component to be sequentially turned on according to the first switch and the second switch, for example, the channel 1 of the first channel component and the channel 1 of the second channel component are turned on, so as to implement the conduction test of the first signal transmission channel; the channel 2 of the first channel assembly and the channel 2 of the second channel assembly are conducted to realize the conduction test of the second signal transmission channel, which is not limited in this embodiment.
In this embodiment, the first RF switching matrix and the second RF switching matrix of the signal testing apparatus are each composed of a switch and a channel component, so as to form a plurality of signal transmission channels, and the on state of the signal transmission channels is switched by controlling the switch to be closed or opened, so as to realize the output test of signals of the plurality of channels.
In one alternative embodiment, as shown in fig. 4, the first path assembly 1222 includes a third switch 20 and a plurality of first adapters 21 respectively connected to the third switch, the second path assembly 1232 includes a fourth switch 30 and a plurality of second adapters 31 respectively connected to the fourth switch, the third switch 20 is connected to the first switch 1221, the fourth switch 30 is connected to the second switch 1231, and each first adapter is connected to a corresponding second adapter.
The control assembly is used for controlling the corresponding first adapter to be conducted through the first switch and the third switch according to the number of signal channels to be tested, and controlling the corresponding second adapter to be conducted through the second switch and the fourth switch according to the number of signal channels to be tested.
Wherein, optionally, the first RF switching matrix and the second RF switching matrix comprise a plurality of single pole, multi-throw switches. That is, the first switch, the second switch, the third switch, and the fourth switch may be single-pole multi-throw switches, such as a 1/2 switch, a 1/4 switch, and a 1/8 switch, where the type of the switch may be a switch non-reflective single-pole switch, and the type of the switch is not limited in this embodiment.
In this embodiment, the example shown in fig. 4 is explained, as shown in fig. 4, the first switch and the second switch in fig. 4 are 1/2 switches, the third switch and the fourth switch are 1/4 switches, and the first RF switching matrix includes 8 connectors corresponding to the third switch one by one; the second RF switching matrix comprises 8 connectors which are in one-to-one correspondence with the fourth switches, and the 8 connectors of the first RF switching matrix are in one-to-one correspondence with the 8 connectors of the second RF switching matrix to form 8 signal transmission channels.
In the signal testing process, the device to be tested can be connected with the port 1 of the testing device through the coaxial cable, and the first switching component is connected with the port 1, so that the purpose of obtaining the testing signal of the device to be tested can be achieved.
Specifically, as shown in fig. 4, the control component realizes on-off selection of 2 signal channels by controlling the first switch and/or the second switch, and then realizes on-off selection of 4 channels by controlling the third switch and/or the fourth switch, so that sequential on-off of 8 channels can be obtained by 2x4 combination, automatic test of 8-channel signals is realized, and the limitation that in the prior art, only one port of the VNA is used for sequentially measuring signals of 8 channels by repeatedly disassembling the coaxial cable is avoided.
As shown in fig. 5, the method is applied to a specific vector network analyzer VNA, and based on 4 identical signal acquisition ports of the VNA, based on port 1, a signal testing device and port 2, the sequential on-off of 8 DP channels is realized, based on port 3, a signal testing device and port 4, the sequential on-off of 8 DN channels is realized, so that the switching operation of different combinations of insertion loss, return loss and crosstalk of 8 pairs of 8 DPs and 8 DNs of 16 channels is realized, and all testing operations of X8 signals are completed.
Optionally, as shown in the above embodiment, the first switch, the second switch, the third switch, and the fourth switch may be 1/4 switches, or the number of switches may be increased in the first RF switching matrix and/or the second RF switching matrix to implement the increase of signal transmission channels, for example, on the basis that the first switch and the second switch are 1/2 switches, the third switch and the fourth switch are 1/4 switches, that is, on the basis that 8-channel signal transmission is implemented, one more 1/2 switch is added on the basis that the third switch and/or the fourth switch are added, so that a 1X2X1X4X1X 2=16-channel RF switching matrix may be formed, to implement the signal test of X16 channels or more, which is not limited in this embodiment.
In this embodiment, the design of the RF matrix component in the signal testing apparatus may enable the control component to implement a test for controlling the interaction between all single-group signals and/or different-group signals in the whole-group signal based on the RF matrix component, so that the worst channel signal and the best channel signal can be screened at one time, which is beneficial to the design and judgment of engineers.
The various modules in the signal testing device described above may be implemented in whole or in part by software, hardware, and combinations thereof. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.
In one embodiment, as shown in FIG. 5, a signal testing system is provided, the signal testing system comprising: the signal testing device 1, the device to be tested 3 and the testing device 2 provided in any of the embodiments of fig. 1 to 5 are provided;
The test device 2 acquires a test signal from the device to be tested 3 through the signal test device 1, and performs signal test according to the test signal.
The test device 2 may be a vector network analyzer VNA, or may be another signal test tool.
In this embodiment, in the scenario of performing signal testing, a signal testing device, as shown in fig. 6, extracts a test signal from a device to be tested and outputs the test signal to the test device 2, so that the test device performs signal testing or performs signal processing such as signal analysis according to the extracted test signal. The equipment and the device can be connected through a coaxial test cable. Optionally, the first port of the signal testing device may be connected to the device to be tested through the testing device, for leading out a test signal of the device to be tested, and the signal testing device is connected to the second port of the testing device, for outputting the test signal to the testing device through the second port for performing signal testing analysis, which is not limited in this embodiment.
The signal testing system comprises a signal testing device, equipment to be tested and testing equipment. The test equipment acquires a test signal from the equipment to be tested through the signal test device, and performs signal test according to the test signal. In the scheme, the signal testing device is constructed based on the RF matrix assembly, the control assembly and the switching assembly to carry out signal output test, wherein the RF matrix assembly can realize the conduction of multiple signal channels, for example, the RF matrix assembly can comprise at least 8 signal channels, and based on the conduction of at least 8 signal channels or even more signal channels is controlled by the control assembly, so that the output test of test signals can be realized through different signal channels under the condition that the testing device is not disassembled, the signal testing device can be suitable for the output testing scene of the multiple channel signals in the prior art, the few-channel signal testing device in the prior art is replaced, the complexity and the limitation of manual disassembly of the few-channel signal testing device applied to the multiple channel testing environment are avoided, and the signal testing efficiency under the multiple channel signal testing environment is improved.
The implementation principle and technical effects of the signal testing system provided in the above embodiment are similar to those of the signal testing device embodiment, and are not described herein again.
The following describes the technical scheme of the present application and how the technical scheme of the present application solves the above technical problems in detail by examples and with reference to the accompanying drawings. The following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments. It should be noted that, in the signal testing method provided in the embodiment of fig. 6 to fig. 7 of the present application, the execution body is a signal testing device, and the signal testing device includes a control component, and the signal testing method is executed by the control component. In the following method embodiments, the execution subject is a signal testing device.
In one embodiment, as shown in fig. 7, a signal testing method is provided, which includes the following steps:
Step 201, determining a target signal transmission channel of a Radio Frequency (RF) matrix component in a signal testing device according to a preset testing instruction.
The preset test instruction can be a test instruction loaded in a test script in the signal test device; or a test instruction sent by the server to the signal testing device. The test instruction carries an identifier of the target signal transmission channel, for example, the number of the target signal transmission channel. The target signaling channel refers to the channel that is currently to be controlled to conduct.
In this embodiment, the signal testing device determines the target signal transmission channel of the RF matrix assembly according to the identification of the target signal transmission channel in the test instruction. For example, if the channel identifier is df1_dp, the target signal transmission channel is determined to be the first channel.
Step 202, controlling the conduction of the target signal transmission channel, and outputting the test signal to the test equipment through the target signal transmission channel.
In this embodiment, after determining the target signal transmission channel, the signal testing device controls the target signal transmission channel to be turned on, so that the test signal is led out and output through the target signal transmission channel to perform signal testing. Optionally, the solution is applicable to a scenario of multi-channel signal testing, and relates to multi-channel signal testing, where the signal testing device may further determine a conduction sequence of each signal transmission channel when it is determined that the target signal transmission channel includes multiple signal transmission channels, for example, the conduction sequence of each signal transmission channel may be a channel numbering sequence, or the test instruction may also include a predetermined conduction sequence of multiple signal transmission channels, based on which the signal testing device may sequentially control conduction of the signal transmission channels based on the conduction sequence of the target signal transmission channel and the signal transmission channel in the test instruction, so as to implement multi-channel signal testing.
According to the signal testing method, the signal testing device determines the target signal transmission channel of the Radio Frequency (RF) matrix component in the signal testing device according to the preset testing instruction, controls the signal transmission channel to be conducted, and outputs the testing signal to the testing equipment through the target signal transmission channel. In the scheme, the signal testing device is constructed based on the RF matrix assembly, the control assembly and the switching assembly to carry out signal output test, wherein the RF matrix assembly can realize the conduction of multiple signal channels, for example, the RF matrix assembly can comprise at least 8 signal channels, and based on the conduction of at least 8 signal channels or even more signal channels is controlled by the control assembly, so that the output test of test signals can be realized through different signal channels under the condition that the testing device is not disassembled, the signal testing device can be suitable for the output testing scene of the multiple channel signals in the prior art, the few-channel signal testing device in the prior art is replaced, the complexity and the limitation of manual disassembly of the few-channel signal testing device applied to the multiple channel testing environment are avoided, and the signal testing efficiency under the multiple channel signal testing environment is improved.
In one alternative embodiment, as shown in fig. 8, where the RF matrix assembly includes a plurality of signal transmission channels, the controlling the signal transmission channels to be turned on in step 202 includes:
step 301, determining the turn-on sequence of all signal transmission channels in the RF matrix assembly according to the target signal transmission channel.
The conducting order of the signal transmission channels may be a default order or a designated order, and the conducting order is not limited in this embodiment. The target signal transmission channel is often referred to as a first conductive signal transmission channel, and the first conductive signal transmission channel is used as a reference, and the conductive sequence of the signal transmission channels can be determined according to the arrangement sequence of the channels, for example, the signal transmission channels are arranged from left to right, and the target signal transmission channel is first from left, so that the conductive sequence can be set to be sequentially conductive from left to right, which is not limited in this embodiment.
Step 302, sequentially controlling the signal transmission channels to be conducted according to the conduction sequence.
In this embodiment, according to the determined turn-on sequence, the signal testing device sequentially controls the signal transmission channels to be turned on or turned off, so that the test signals of the signal transmission channels are output to the test device, and the signal test result of each signal transmission channel is obtained.
In this embodiment, the signal testing device may perform on control on each signal transmission channel in the signal testing device according to the on sequence of each signal transmission channel set in the script, so as to implement output of signals in each signal transmission channel, thereby improving the testing efficiency of multi-channel signal testing.
The implementation principle and technical effects of the signal testing method provided in the above embodiment are similar to those of the signal testing device embodiment, and are not repeated here.
It should be understood that, although the steps in the flowcharts of fig. 6-7 are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in FIGS. 6-7 may include multiple steps or stages that are not necessarily performed at the same time, but may be performed at different times, nor does the order in which the steps or stages are performed necessarily performed in sequence, but may be performed alternately or alternately with at least a portion of the steps or stages in other steps or other steps.
In one embodiment, a computer readable storage medium is provided having a computer program stored thereon, which when executed by a processor, performs the steps of:
According to a preset test instruction, determining a target signal transmission channel of a Radio Frequency (RF) matrix component in the signal test device;
The control signal transmission channel is conducted, and the test signal is output to the test equipment through the target signal transmission channel.
The computer readable storage medium provided in the above embodiment has similar principle and technical effects to those of the above method embodiment, and will not be described herein.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, or the like. Volatile memory can include random access memory (Random Access Memory, RAM) or external cache memory. By way of illustration, and not limitation, RAM can be in various forms such as static random access memory (Static Random Access Memory, SRAM) or dynamic random access memory (Dynamic Random Access Memory, DRAM), etc.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (10)
1. A signal testing device, the signal testing device comprising: the device comprises a control assembly, a Radio Frequency (RF) matrix assembly, a first switching assembly and a second switching assembly; the RF matrix assembly includes a first RF switching matrix and a second RF switching matrix; the first RF switching matrix includes a plurality of first signal transmission channels and the second RF switching matrix includes a plurality of second signal transmission channels; the first signal transmission channel is connected with the corresponding second signal transmission channel; the total number of signal channels in the RF matrix assembly is greater than a preset threshold; the first switching component is connected with the equipment to be tested, and the second switching component is connected with the testing equipment;
The control component is used for controlling the conduction of the corresponding number of the first signal transmission channels and the corresponding second signal transmission channels according to the number of the signal channels to be tested, so that each conduction transmission channel obtains a test signal through the first switching component, and outputs the test signal to the test equipment through the second switching component, and the test equipment carries out multi-channel signal test on the test signal output by the test equipment; the first switching component is a high-speed adapter, and the second switching component is a high-speed adapter.
2. The apparatus of claim 1, wherein the first RF switching matrix comprises a first switch and at least two first path components, the second RF switching matrix comprises a second switch and at least two second path components, each of the first path components and the second path components comprises a plurality of signal transmission channels, and each of the signal transmission channels of the first path components is connected to a corresponding signal transmission channel of the second path components;
the control assembly is used for controlling the signal transmission channels in the first path assembly and the second path assembly to be conducted through the first switch and the second switch according to the number of the signal channels to be tested.
3. The apparatus of claim 2, wherein the number of signal transmission channels in each of the first path assemblies is equal and the number of signal transmission channels in each of the second path assemblies is equal.
4. The apparatus of claim 2, wherein the first path assembly comprises a third switch and a plurality of first adapters respectively connected to the third switch, the second path assembly comprises a fourth switch and a plurality of second adapters respectively connected to the fourth switch, the third switch is connected to the first switch, the fourth switch is connected to the second switch, and each of the first adapters is connected to a corresponding second adapter;
The control assembly is used for controlling the corresponding first adapters to be conducted through the first switch and the third switch according to the number of the signal channels to be tested, and controlling the corresponding second adapters to be conducted through the second switch and the fourth switch according to the number of the signal channels to be tested.
5. The apparatus of any of claims 1-4, wherein the first RF switching matrix and the second RF switching matrix are symmetric matrices.
6. The apparatus of any of claims 1-4, wherein the first RF switching matrix and the second RF switching matrix comprise a plurality of single pole, multi-throw switches.
7. A signal testing system, the signal testing system comprising: the signal testing apparatus, device under test and test device of claims 1-6;
and the test equipment acquires a test signal from the equipment to be tested through the signal test device, and performs signal test according to the test signal.
8. A signal testing method, characterized in that the method is applied to the signal testing device of claims 1-6, the method comprising:
determining a target signal transmission channel of a Radio Frequency (RF) matrix component in the signal testing device according to a preset testing instruction;
And controlling the conduction of the target signal transmission channel, and outputting a test signal to the test equipment through the target signal transmission channel.
9. The method of claim 8, wherein the RF matrix assembly comprises a plurality of signal transmission channels; the controlling the signal transmission channel to be conducted comprises:
determining the conduction sequence of all signal transmission channels in the RF matrix assembly according to the target signal transmission channels;
and sequentially controlling the signal transmission channels to be conducted according to the conduction sequence.
10. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of claim 8 or 9.
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