CN114205010A - Signal testing apparatus, system, method and storage medium - Google Patents
Signal testing apparatus, system, method and storage medium Download PDFInfo
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Abstract
The present application relates to a signal testing apparatus, system, method and storage medium. The method comprises the following steps: the device comprises a control assembly, a Radio Frequency (RF) matrix assembly, a first switching assembly and a second switching assembly, wherein 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 greater than a preset threshold value. And the control component controls the corresponding number of target signal transmission channels to be conducted according to the number of the 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 scheme, the RF matrix component can realize the conduction of multiple signal channels, for example, the RF matrix component includes at least 8 signal channels, is applicable to the output test scenario of multi-channel signals in the prior art, avoids the complexity that a 4-channel signal testing device needs manual disassembly and assembly in the prior art, and improves the signal testing efficiency under the multi-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 apparatus, a signal testing system, a signal testing method, and a storage medium.
Background
With the continuous improvement of the data signal transmission rate of digital products, the reliability requirements on the transmission signals are more and more strict, and signal testing is becoming 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 chassis is usually used to perform a 4-channel signal test according to the signal test specification of the industry association, or a third-party test software is used to perform a corresponding signal test through software-level algorithm analysis.
However, in a scenario of multi-channel signal testing, due to the limitation of channel testing, an existing signal testing method needs an operator to disassemble and reconnect testing equipment after testing a current set of channel signals, so as to test a next set of channel signals.
Disclosure of Invention
In view of the above, it is desirable to provide a signal testing apparatus, a system, a method and a storage medium capable of improving signal testing efficiency.
In a first aspect, a signal testing device is provided, the signal testing device comprising: the radio frequency RF matrix assembly 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 greater than a preset threshold value;
and the control assembly is used for controlling the corresponding number of target signal transmission channels to be conducted according to the number of the signal channels to be tested, so that each target signal transmission channel obtains a test signal through the first switching assembly and outputs the test signal to the test equipment through the second switching assembly.
In this embodiment, the signal testing device is constructed based on the RF matrix component, the control component and the changeover component, wherein the RF matrix assembly may enable the conduction of multiple signal channels, for example, the RF matrix assembly may comprise at least 8 signal channels or more, based on which, the conduction of at least 8 signal channels or even more signal channels is controlled by the control component, thereby realizing the output test of the test signal through different signal channels without disassembling the test device, the multi-channel signal testing device can be suitable for an output testing scene of multi-channel signals in the prior art, replaces a few-channel signal testing device in the prior art, avoids the complexity and limitation of manual disassembly and assembly of the few-channel signal testing device in a multi-channel testing environment, and improves the signal testing efficiency in the multi-channel signal testing environment.
In one optional 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;
and the control assembly is used for controlling the conduction of the first signal transmission channels and the corresponding second signal transmission channels in corresponding quantity according to the quantity of the signal channels to be tested.
In this embodiment, the RF matrix assembly of the signal testing apparatus includes the first RF switching matrix and the second RF switching matrix, which can achieve the purpose of splitting, extracting and combining signals, thereby achieving the output test of signals of multiple channels.
In one optional embodiment, the first RF switching matrix includes a first switch and at least two first path assemblies, the second RF switching matrix includes a second switch and at least two second path assemblies, each of the first path assemblies and the second path assemblies includes a plurality of signal transmission channels therein, and each signal transmission channel of the first path assembly is connected with a corresponding signal transmission channel of the 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 the 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 both composed of switches and pass components, so as to form a plurality of signal transmission channels, and the on/off of the signal transmission channels is switched by controlling the switches to be turned on or off, so as to implement the output test of signals of the plurality of channels.
In one optional embodiment, the number of signal transmission channels in each first channel assembly is equal, and the number of signal transmission channels in each second channel assembly is equal.
In this embodiment, the number of the signal transmission channels in the first path component is equal, and the number of the signal transmission channels in the second path component is equal, so as to implement multi-channel signal testing of the differential signal and improve the signal testing efficiency.
In one optional embodiment, 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 the corresponding second adapter;
and the control assembly is used for controlling the conduction of the corresponding first adapter through the first switch and the third switch according to the number of the signal channels to be tested, and controlling the conduction of the corresponding second adapter through the second switch and the fourth switch according to the number of the signal channels to be tested.
In this embodiment, the design of the RF matrix component in the signal testing apparatus can enable the control component to implement a test for controlling the mutual influence between all single-group signals and/or different-group signals in the whole group of signals based on the RF matrix component, and can screen out a poor channel signal in the tested signal channel and a good signal channel in the tested signal channel at a time, which is beneficial to the design and judgment of engineers.
In one optional embodiment, the first and second RF switching matrices are symmetric matrices.
In this embodiment, the first RF switching matrix and the second RF switching matrix are symmetric matrices, and can implement symmetric transmission of splitting and combining of signals, thereby implementing signal testing of multi-channel signals.
In one optional embodiment, the first and second RF switching matrices comprise a plurality of single pole, multiple throw switches.
In this embodiment, the multi-channel switching between 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 apparatus 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 by the first aspect are provided;
and the test equipment acquires the 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 apparatus provided in the first aspect, and the method includes:
determining a target signal transmission channel of a radio frequency RF matrix component in a signal testing device according to a preset testing instruction;
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 optional embodiment, the RF matrix assembly includes a plurality of signal transmission channels; controlling the signal transmission channel to conduct includes:
determining the conduction sequence of all signal transmission channels in the RF matrix component according to the target signal transmission channel;
and sequentially controlling the signal transmission channels to be conducted according to the conducting sequence.
In a fourth aspect, there is provided a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the signal testing method of any of the third aspects described above.
The signal testing device, the system, the method and the storage medium comprise a control assembly, a Radio Frequency (RF) matrix assembly, a first switching assembly and a second switching assembly, wherein 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 greater than a preset threshold value. And the control component controls the corresponding number of target signal transmission channels to be conducted according to the number of the 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 scheme, construct signal testing arrangement based on RF matrix subassembly, control assembly and switching component, wherein RF matrix subassembly can realize switching on of many signal channel, for example, RF matrix subassembly can include 8 at least signal channel, based on this, switch on of 8 at least signal channel of control assembly control even more signal channel switch on, thereby can be under the condition of not disassembling testing arrangement, realize the output test of test signal through different signal channel, can be applicable to the output test scenario of multichannel signal among the prior art, the few channel signal testing arrangement in the middle or small channel signal testing arrangement of having replaced prior art, the numerous and limitation that need artifical dismouting of few channel signal testing arrangement application in multichannel test environment has been avoided, signal test efficiency under the multichannel signal test environment has been improved.
Drawings
FIG. 1 is a schematic diagram of a signal testing apparatus according to an embodiment;
FIG. 2 is a schematic diagram of an embodiment of a signal testing apparatus;
FIG. 3 is a schematic diagram of an embodiment of a signal testing apparatus;
FIG. 4 is a schematic diagram of an embodiment of a signal testing apparatus;
FIG. 5 is a schematic diagram of an embodiment of a signal testing apparatus;
FIG. 6 is a schematic diagram of a signal testing system according to an embodiment;
FIG. 7 is a flow chart illustrating a signal testing method according to an embodiment;
FIG. 8 is a flowchart illustrating a signal testing method according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another. 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 present 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 device 1, the signal testing device 1 including: a control assembly 11, a radio frequency RF matrix assembly 12, a first switch assembly 13 and a second switch 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.
And the control component 11 is configured to control the corresponding number of target signal transmission channels to be conducted according to the number of the 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 2 through the second switching component.
The control component 11 may be any controller, for example, the control component may be a logic interface development board (FPGA); and other singlechips and circuit boards with control functions can be also used. 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 Peripheral Component Interconnect Express (PCIE) switching fixture card, or may be other high-speed adapters, and this embodiment does not limit product selection of each Component.
In this embodiment, in a scenario of performing a signal test, as shown in fig. 1, a signal testing apparatus connects a device to be tested 3 through a first switching component 13, extracts a test signal from the device to be tested, and outputs the signal to a testing device 2 through a target signal transmission channel in an RF matrix component 12 and a second switching component 14, so that the testing device performs a signal test or performs signal processing such as signal analysis according to the extracted 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 test scenario, the RF matrix assembly may include 8 signal transmission channels, or include 16 signal transmission channels, and the like, and the control assembly controls whether each signal transmission channel in the RF matrix assembly is turned on or not 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 for executing and controlling the RF matrix component in the control component may be edited and loaded based on the visual control interface, where the test script includes the control sequence and the switching condition of each signal transmission channel in the RF matrix component, so as to complete the switching test of different combinations of the signal transmission channels in the RF matrix component.
The signal testing device comprises a control assembly, a Radio Frequency (RF) matrix assembly, a first switching assembly and a second switching assembly, wherein 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 greater than a preset threshold value. And the control component controls the corresponding number of target signal transmission channels to be conducted according to the number of the 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 scheme, construct signal testing arrangement based on RF matrix subassembly, control assembly and switching component, wherein RF matrix subassembly can realize switching on of many signal channel, for example, RF matrix subassembly can include 8 at least signal channel, based on this, switch on of 8 at least signal channel of control assembly control even more signal channel switch on, thereby can be under the condition of not disassembling testing arrangement, realize the output test of test signal through different signal channel, can be applicable to the output test scenario of multichannel signal among the prior art, the few channel signal testing arrangement in the middle or small channel signal testing arrangement of having replaced prior art, the numerous and limitation that need artifical dismouting of few channel signal testing arrangement application in multichannel test environment has been avoided, signal test efficiency under the multichannel signal test environment has been improved.
The RF matrix assembly needs to perform signal extraction, signal transmission and signal output, and in an 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;
and the control component 11 is configured to control the conduction of the corresponding number of first signal transmission channels and the corresponding number of second signal transmission channels according to the number of the signal channels to be tested.
After the signals are led out from the device to be tested, the signals are transmitted in a shunt way through each signal transmission channel in the first RF switching matrix and are output in a combination way through each signal transmission channel in the second RF switching matrix, and based on the fact, the signal transmission channels in the first RF switching matrix and the second RF switching matrix are corresponding to each other. Optionally, the first and second RF switching matrices are symmetric matrices. Illustratively, the first RF switching matrix includes 8 signal transmission channels, and then the second RF switching matrix also includes corresponding 8 signal transmission channels.
In this embodiment, the signal testing apparatus may be applied to an 8-channel testing environment, a 16-channel testing environment, or even more channels. Taking an 8-channel test environment as an example, 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 the 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, conducting channel 1 of the first RF switching matrix and channel 1 of the second RF switching matrix, so as to implement the conduction test of the first signal transmission channel; the channel 2 of the first RF switching matrix and the channel 2 of the second RF switching matrix are conducted to implement the conduction 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 the first RF switching matrix and the second RF switching matrix, which can achieve the purpose of splitting, extracting and combining signals, thereby achieving the output test of signals of multiple channels.
Alternatively, the plurality of channels in the RF matrix assembly may be formed by switches, in one optional embodiment, as shown in fig. 3, the first RF switching matrix 122 includes a first switch 1221 and at least two first channel assemblies 1222, the second RF switching matrix 123 includes a second switch 1231 and at least two second channel assemblies 1232, each of the first channel assemblies 1222 and the second channel assemblies 1232 includes a plurality of signal transmission channels, and each signal transmission channel of the first channel assembly is connected to a corresponding signal transmission channel of the second channel 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 the 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 an 1/4 switch, and the second switch is similar to the first switch. As shown in fig. 3, an example of the first and second switches being 1/2 switches is shown in fig. 3. The first via assembly 1222 may be comprised of a switch and an adapter, and the second via assembly may be similar. As shown in fig. 3, an exemplary diagram of 4 channels formed by each first pass assembly including 1/4 switches and adapters is presented. 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.
Optionally, as shown in fig. 3, a first switching component of the signal testing apparatus may be connected to the device to be tested through a port 1 of the testing device, and is configured to lead out a testing signal of the device to be tested, and a second switching component of the signal testing apparatus is connected to a port 2 of the testing device, and is configured to output the testing signal to the testing device through the port 2 for signal testing analysis, which is not limited in this embodiment.
In this embodiment, for example, in an 8-channel test environment, the control component controls, through the first switch and the second switch, the 8 signal transmission channels in the first path component and the second path component to be sequentially turned on, for example, a channel 1 of the first path component and a channel 1 of the second path component are turned on, so as to implement a conduction test of the first signal transmission channel; the channel 2 of the first channel component and the channel 2 of the second channel component are conducted, so as to implement 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 both composed of switches and pass components, so as to form a plurality of signal transmission channels, and the on/off of the signal transmission channels is switched by controlling the switches to be turned on or off, so as to implement the output test of signals of the plurality of channels.
In one optional embodiment, as shown in fig. 4, the first via assembly 1222 includes a third switch 20 and a plurality of first adapters 21 respectively connected to the third switch, the second via 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.
And the control assembly is used for controlling the conduction of the corresponding first adapter through the first switch and the third switch according to the number of the signal channels to be tested, and controlling the conduction of the corresponding second adapter through the second switch and the fourth switch according to the number of the signal channels to be tested.
Wherein, optionally, the first and second RF switching matrices comprise a plurality of single pole, multiple 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 1/2 switch, 1/4 switch, 1/8 switch, and the like, wherein the type of the switch may be a switch non-reflective single-pole switch, and the selection of the type of the switch is not limited in this embodiment.
In the present embodiment, the explanation is made according to the example given in fig. 4, 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 to one; the second RF switching matrix comprises 8 connectors corresponding to the fourth switches one by one, and the 8 connectors of the first RF switching matrix and the 8 connectors of the second RF switching matrix are connected in a one-to-one correspondence mode 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, the first switching assembly is connected with the port 1, and 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 controls the first switch and/or the second switch to realize on-off selection of 2 signal channels, and then controls the third switch and/or the fourth switch to realize on-off selection of 4 channels, so that 2x4 combination can be realized to obtain sequential on-off of 8 channels, automatic testing of 8-channel signals is realized, and limitation that only one port of VNA is used for sequentially measuring signals of 8 channels when a coaxial cable is detached for many times in the prior art is avoided.
Applied to a specific vector network analyzer VNA, as shown in fig. 5, according to 4 same signal acquisition ports of the VNA, sequential on-off of 8 DP channels is realized based on port 1, signal testing device, and port 2, and sequential on-off of 8 DN channels is realized based on port 3, signal testing device, and port 4, so that different combination switching operations of 16 channel insertion loss, return loss, and crosstalk are realized for 8 pairs of differential 8 DP and 8 DN, and all test works of X8 signals are completed.
Optionally, as shown in the foregoing embodiment, the first switch, the second switch, the third switch, and the fourth switch may also be 1/4 switches, or the number of switches may also be increased in the first RF switching matrix and/or the second RF switching matrix to increase the signal transmission channels, for example, on the basis that the first switch and the second switch are 1/2 switches, and the third switch and the fourth switch are 1/4 switches, that is, on the basis that 8-channel signal transmission is realized, a 1/2 switch is further added on the basis of the third switch and/or the fourth switch, so that a 1X2X1X4X1X 2-16-channel RF switching matrix may be formed to complete an X16-channel or even more signal tests, which is not limited in this embodiment.
In this embodiment, the design of the RF matrix component in the signal testing apparatus can enable the control component to implement a test for controlling the mutual influence between all single-group signals and/or different-group signals in the whole group of signals based on the RF matrix component, and can screen the worst channel signal and the best signal channel at a time, which is beneficial to the design and judgment of engineers.
The modules in the signal testing device can be wholly or partially implemented by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, as shown in fig. 5, there is provided a signal testing system comprising: any of the embodiments of fig. 1-5 described above provides a signal testing device 1, a device under test 3 and a testing device 2;
the test device 2 obtains a test signal from the device to be tested 3 through the signal test device 1, and performs a signal test according to the test signal.
The test device 2 may be a vector network analyzer VNA or other signal testing tools.
In this embodiment, in a scenario of performing a signal test, a signal testing apparatus, as shown in fig. 6, extracts a test signal from a device to be tested and outputs the test signal to the testing device 2, so that the testing device performs a signal test or performs signal processing such as signal analysis according to the extracted test signal. Wherein, each device and apparatus can be connected through a coaxial test cable. Optionally, the signal testing apparatus may be connected to the device to be tested through a first port of the testing device, and is configured to lead out a testing signal of the device to be tested, and the signal testing apparatus is connected to a second port of the testing device, and is configured to output the testing signal to the testing device through the second port for signal testing analysis, which is not limited in this embodiment.
The signal testing system comprises a signal testing device, a device to be tested and a testing device. The test equipment obtains a test signal from the equipment to be tested through the signal test device and carries out signal test according to the test signal. In the scheme, the signal testing device is constructed based on the RF matrix component, the control component and the switching component to perform output testing of signals, wherein the RF matrix assembly may enable the conduction of multiple signal channels, for example, the RF matrix assembly may comprise at least 8 signal channels, based on which, the conduction of at least 8 signal channels or even more signal channels is controlled by the control component, thereby realizing the output test of the test signal through different signal channels without disassembling the test device, the multi-channel signal testing device can be suitable for an output testing scene of multi-channel signals in the prior art, replaces a few-channel signal testing device in the prior art, avoids the complexity and limitation of manual disassembly and assembly of the few-channel signal testing device in a multi-channel testing environment, and improves the signal testing efficiency in the multi-channel signal testing environment.
The signal testing system provided by the above embodiment has the similar implementation principle and technical effect as the signal testing device embodiment, and is not described herein again.
The following describes in detail the technical solutions of the present application and how the technical solutions of the present application solve the above technical problems by embodiments and with reference to the drawings. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. It should be noted that, the signal testing method provided in the embodiments of fig. 6 to 7 of the present application is executed by a signal testing apparatus, where the signal testing apparatus 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 as an example.
In one embodiment, as shown in fig. 7, there is provided a signal testing method comprising the steps of:
The preset test instruction can be a test instruction loaded in a test script in the signal testing device; the test instruction may be a test instruction transmitted from the server to the signal testing apparatus. The test instruction carries an identifier of the target signal transmission channel, for example, a number of the target signal transmission channel. The target signal transmission channel refers to a channel to be controlled to be conducted currently.
In this embodiment, the signal testing apparatus determines the target signal transmission channel of the RF matrix component according to the identifier of the target signal transmission channel in the test instruction. For example, the lane identification is DF1_ DP, the target signaling lane is determined to be the first lane.
And 202, controlling the target signal transmission channel to be conducted, 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 apparatus controls the target signal transmission channel to be conducted, so as to perform the extraction and output of the test signal through the target signal transmission channel, thereby performing the signal test. Optionally, the present scheme is applicable to a scenario of multi-channel signal testing, which involves multi-channel signal testing, and when it is determined that a target signal transmission channel includes a plurality of signal transmission channels, the signal testing apparatus may further determine a conduction sequence of each signal transmission channel, for example, the conduction sequence of the signal transmission channel may be a channel number sequence, or the test instruction may also include a predetermined conduction sequence of a plurality of signal transmission channels, based on which, the signal testing apparatus 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, thereby implementing multi-channel signal testing.
According to the signal testing method, the signal testing device determines a target signal transmission channel of the radio frequency RF matrix assembly in the signal testing device according to a preset testing instruction, controls the signal transmission channel to be conducted, and outputs a 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 component, the control component and the switching component to perform output testing of signals, wherein the RF matrix assembly may enable the conduction of multiple signal channels, for example, the RF matrix assembly may comprise at least 8 signal channels, based on which, the conduction of at least 8 signal channels or even more signal channels is controlled by the control component, thereby realizing the output test of the test signal through different signal channels without disassembling the test device, the multi-channel signal testing device can be suitable for an output testing scene of multi-channel signals in the prior art, replaces a few-channel signal testing device in the prior art, avoids the complexity and limitation of manual disassembly and assembly of the few-channel signal testing device in a multi-channel testing environment, and improves the signal testing efficiency in the multi-channel signal testing environment.
In one optional embodiment, as shown in fig. 8, in the case that the RF matrix assembly includes a plurality of signal transmission channels, the step 202 of controlling the signal transmission channels to be turned on includes:
The conducting sequence of the signal transmission channels may be a default sequence or a designated sequence, and the conducting sequence is not limited in this embodiment. The target signal transmission channel often refers to a first conducted signal transmission channel, and the conducting order of the signal transmission channels may be determined according to the arrangement order of the channels by taking the first conducted signal transmission channel as a reference, for example, the signal transmission channels are arranged from left to right, the target signal transmission channel is the first channel from left, and then the conducting order may be set to be sequentially conducted from left to right, which is not limited in this embodiment.
And step 302, sequentially controlling the signal transmission channels to be conducted according to the conducting sequence.
In this embodiment, according to the determined turn-on sequence, the signal testing apparatus sequentially controls the signal transmission channels to turn on or off, so that the test signal of each signal transmission channel is output to the testing device, and the signal test result of each signal transmission channel is obtained.
In this embodiment, the signal testing device may perform conduction control on each signal transmission channel in the signal testing device according to the conduction sequence of each signal transmission channel set in the script, so as to output a signal in each signal transmission channel, and improve the testing efficiency of the multi-channel signal test.
The signal testing method provided by the above embodiment has the similar implementation principle and technical effect as the signal testing device embodiment, and is not described herein again.
It should be understood that although the various steps in the flowcharts of fig. 6-7 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Also, at least some of the steps in fig. 6-7 may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed in turn or alternately with other steps or at least some of the 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:
determining a target signal transmission channel of a radio frequency RF matrix component in a signal testing device according to a preset testing instruction;
and controlling the signal transmission channel to be conducted, and outputting the test signal to the test equipment through the target signal transmission channel.
The implementation principle and technical effect of the computer-readable storage medium provided by the above embodiments are similar to those of the above method embodiments, and are not described herein again.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include at least one of non-volatile and volatile memory. Non-volatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical storage, or the like. Volatile Memory can include Random Access Memory (RAM) or external cache Memory. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (11)
1. A signal testing device, comprising: the radio frequency RF matrix assembly comprises a control assembly, a radio frequency RF matrix assembly, a first switching assembly and a second switching assembly; 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 greater than a preset threshold value;
the control assembly is used for controlling the conduction of a corresponding number of target signal transmission channels according to the number of the signal channels to be tested, so that each target signal transmission channel obtains a test signal through the first switching assembly and outputs the test signal to test equipment through the second switching assembly.
2. The apparatus of claim 1, wherein the RF matrix component comprises a first RF switching matrix and a second RF switching matrix; the first RF switching matrix comprises a plurality of first signal transmission channels and the second RF switching matrix comprises 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 first signal transmission channels and the corresponding second signal transmission channels in corresponding quantity according to the quantity of the signal channels to be tested.
3. The apparatus of claim 2, wherein the first RF switching matrix comprises a first switch and at least two first pass components, wherein the second RF switching matrix comprises a second switch and at least two second pass components, wherein each of the first pass components and the second pass components comprises a plurality of signal transmission channels, and wherein each of the signal transmission channels of the first pass components is connected to a corresponding signal transmission channel of the second pass components;
the control component is used for controlling the conduction of the signal transmission channels in the first channel component and the second channel component through the first switch and the second switch according to the number of the signal channels to be tested.
4. The apparatus of claim 3, wherein the number of signal transmission channels in each of the first pathway components is equal and the number of signal transmission channels in each of the second pathway components is equal.
5. The apparatus of claim 3, wherein the first pathway assembly comprises a third switch and a plurality of first adapters respectively connected to the third switch, the second pathway 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 component is used for controlling the conduction of the corresponding first adapter through the first switch and the third switch according to the number of the signal channels to be tested, and controlling the conduction of the corresponding second adapter through the second switch and the fourth switch according to the number of the signal channels to be tested.
6. The apparatus of any of claims 2-5, wherein the first and second RF switching matrices are symmetric matrices.
7. The apparatus of any of claims 2-5, wherein the first and second RF switching matrices comprise a plurality of single-pole, multi-throw switches.
8. A signal testing system, comprising: the signal testing device, device under test and testing apparatus of claims 1-7;
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.
9. A signal testing method applied to the signal testing apparatus according to claims 1 to 7, 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 target signal transmission channel to be conducted, and outputting a test signal to test equipment through the target signal transmission channel.
10. The method of claim 9, wherein the RF matrix assembly includes 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 component according to the target signal transmission channel;
and sequentially controlling the signal transmission channels to be conducted according to the conducting sequence.
11. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of claims 9-10.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115102640A (en) * | 2022-06-21 | 2022-09-23 | 深圳市易飞扬通信技术有限公司 | Product testing method and device, computer equipment and storage medium |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160254870A1 (en) * | 2013-10-29 | 2016-09-01 | Analog Devices Global | Active antenna system and methods of testing |
| US20160337052A1 (en) * | 2015-05-12 | 2016-11-17 | Keysight Technologies, Inc. | System and method for test and/or calibration of multi-channel rf communication devices |
| WO2017118279A1 (en) * | 2016-01-04 | 2017-07-13 | 中兴通讯股份有限公司 | Self-calibration implementation method and device for radio frequency matrix switch |
| CN107490738A (en) * | 2017-08-18 | 2017-12-19 | 湖南时变通讯科技有限公司 | A kind of radio-frequency devices test system |
| CN209692733U (en) * | 2019-04-23 | 2019-11-26 | 徐晨阳 | A kind of radio-frequency devices automatic debugging device based on RF switch matrix |
| CN111030759A (en) * | 2019-11-25 | 2020-04-17 | 深圳市巴伦技术股份有限公司 | Radio frequency test system, radio frequency test method, radio frequency test device, radio frequency switch matrix and computer readable storage medium |
| CN111162856A (en) * | 2020-01-22 | 2020-05-15 | 南京捷希科技有限公司 | Radio frequency matrix of frequency division duplex system, performance test system and method |
| CN112953654A (en) * | 2019-12-11 | 2021-06-11 | ***通信有限公司研究院 | Method, device, system and medium for testing multi-channel antenna |
| US20210234620A1 (en) * | 2020-01-28 | 2021-07-29 | Rohde & Schwarz Gmbh & Co. Kg | System and method for calibrating a multi-channel radio frequency signal generation system |
| CN113406475A (en) * | 2021-06-09 | 2021-09-17 | 中国电子科技集团公司第二十九研究所 | Multi-microwave-channel radio frequency characteristic consistency testing device, method, equipment and medium |
| CN113630191A (en) * | 2021-10-09 | 2021-11-09 | 广东省新一代通信与网络创新研究院 | Radio frequency test method and system of multi-channel equipment |
-
2021
- 2021-11-17 CN CN202111364491.4A patent/CN114205010B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160254870A1 (en) * | 2013-10-29 | 2016-09-01 | Analog Devices Global | Active antenna system and methods of testing |
| US20160337052A1 (en) * | 2015-05-12 | 2016-11-17 | Keysight Technologies, Inc. | System and method for test and/or calibration of multi-channel rf communication devices |
| WO2017118279A1 (en) * | 2016-01-04 | 2017-07-13 | 中兴通讯股份有限公司 | Self-calibration implementation method and device for radio frequency matrix switch |
| CN107490738A (en) * | 2017-08-18 | 2017-12-19 | 湖南时变通讯科技有限公司 | A kind of radio-frequency devices test system |
| CN209692733U (en) * | 2019-04-23 | 2019-11-26 | 徐晨阳 | A kind of radio-frequency devices automatic debugging device based on RF switch matrix |
| CN111030759A (en) * | 2019-11-25 | 2020-04-17 | 深圳市巴伦技术股份有限公司 | Radio frequency test system, radio frequency test method, radio frequency test device, radio frequency switch matrix and computer readable storage medium |
| CN112953654A (en) * | 2019-12-11 | 2021-06-11 | ***通信有限公司研究院 | Method, device, system and medium for testing multi-channel antenna |
| CN111162856A (en) * | 2020-01-22 | 2020-05-15 | 南京捷希科技有限公司 | Radio frequency matrix of frequency division duplex system, performance test system and method |
| US20210234620A1 (en) * | 2020-01-28 | 2021-07-29 | Rohde & Schwarz Gmbh & Co. Kg | System and method for calibrating a multi-channel radio frequency signal generation system |
| CN113406475A (en) * | 2021-06-09 | 2021-09-17 | 中国电子科技集团公司第二十九研究所 | Multi-microwave-channel radio frequency characteristic consistency testing device, method, equipment and medium |
| CN113630191A (en) * | 2021-10-09 | 2021-11-09 | 广东省新一代通信与网络创新研究院 | Radio frequency test method and system of multi-channel equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115102640A (en) * | 2022-06-21 | 2022-09-23 | 深圳市易飞扬通信技术有限公司 | Product testing method and device, computer equipment and storage medium |
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|---|---|
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