Bandwidth test method and device, electronic equipment and storage medium

Abstract

The present disclosure provides a bandwidth test method and device, electronic equipment and storage medium, including: obtaining at least two optical signals; coupling processing the at least two optical signals to obtain coupled optical signals; determining the frequency of the at least two optical signals based on the coupled optical signals and a preset direct current voltage value; and determining the bandwidth based on the frequency. In the present disclosure, two optical signals are first obtained, then the two optical signals are coupled processed based on a certain coupling ratio, and finally the optical signals obtained after the coupling processing are processed using a preset direct current voltage to obtain the power of the two optical signals, and then the bandwidth is determined based on the power.

Description

Technical Field

[0001] This invention relates to the field of computer technology, and in particular to a bandwidth testing method, apparatus, electronic device, and storage medium. Background Technology

[0002] In recent years, the increasing demand for high-speed signals in applications such as optical communication, radar, and radio has led to a continuous expansion of detector bandwidth. In practical operation, the testing accuracy and precision of the detector bandwidth measurement system are crucial. Therefore, continuous optimization of the bandwidth testing system is necessary.

[0003] In existing technologies, conventional bandwidth measurement methods typically involve adjusting the laser frequency by controlling the laser's temperature, and then calculating the detector's bandwidth using the resulting frequency difference. However, using existing methods requires simultaneous measurements from two different detectors. Therefore, while analyzing the detector's signal, another detector must be used to perform frequency analysis. This makes existing systems not only complex but also inconvenient for data recording and analysis. Summary of the Invention

[0004] In view of this, the purpose of this disclosure is to provide a method, apparatus, electronic device and storage medium for bandwidth testing.

[0005] As one aspect of this disclosure, a bandwidth testing method is provided, characterized by comprising:

[0006] Acquire at least two optical signals;

[0007] The at least two optical signals are coupled to obtain a coupled optical signal;

[0008] The current power of the at least two optical signals is determined based on the coupled optical signals and the preset DC voltage value;

[0009] The bandwidth is determined based on the current power.

[0010] Optionally, after acquiring at least two optical signals, the method further includes:

[0011] The wavelengths of the at least two optical signals are adjusted based on preset values ​​to obtain the adjusted optical signals;

[0012] Determine the frequency and wavelength information of the adjusted optical signal at the target temperature;

[0013] A data resource set is generated based on the correspondence between the target temperature, the frequency information, and the wavelength information.

[0014] Optionally, the coupling process of the at least two optical signals to obtain the coupled optical signal includes:

[0015] Determine the coupling ratio of the at least two optical signals;

[0016] The at least two optical signals are coupled based on the stated coupling ratio to obtain the coupled optical signal.

[0017] Optionally, determining the current power of the at least two optical signals based on the coupled optical signals and a preset DC voltage value includes:

[0018] The coupled optical signal is converted into a radio frequency signal, and the current power of the radio frequency signal is determined based on a preset DC voltage value.

[0019] Optionally, the at least two optical signals include a first optical signal and a second optical signal;

[0020] The process of determining bandwidth based on the current power includes:

[0021] Determine the first frequency of the first optical signal at a preset temperature and the second frequency of the second optical signal at the current temperature;

[0022] Based on the first frequency, the second frequency, and the current power generation response curve;

[0023] The bandwidth is determined based on the response curve.

[0024] Optionally, determining the first frequency of the first optical signal at a preset temperature and the second frequency of the second optical signal at the current temperature includes:

[0025] Determine the first frequency corresponding to the preset temperature in the data resource set, and the second frequency corresponding to the current temperature in the data resource set.

[0026] Optionally, the step based on the first frequency, the second frequency, and the current power generation response curve includes:

[0027] A two-dimensional rectangular coordinate system is established with the difference between the first frequency and the second frequency as the horizontal axis and the current power as the vertical axis;

[0028] The difference between the first frequency and the second frequency, as well as the current power, are mapped onto the two-dimensional Cartesian coordinate system to generate a response curve.

[0029] As a second aspect of this disclosure, this disclosure also provides a bandwidth testing apparatus, comprising:

[0030] The signal acquisition module is configured to acquire at least two optical signals;

[0031] The coupling processing module is configured to perform coupling processing on the at least two optical signals to obtain coupled optical signals;

[0032] The power determination module is configured to determine the current power of at least two optical signals based on the coupled optical signals and a preset DC voltage value.

[0033] The bandwidth generation module is configured to determine the bandwidth based on the current power.

[0034] As a third aspect of this disclosure, this disclosure also provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that the processor executes the program to implement the bandwidth testing method described above provided in this disclosure.

[0035] As a fourth aspect of this disclosure, a non-transitory computer-readable storage medium is also provided, the non-transitory computer-readable storage medium storing computer instructions for causing a computer to perform the methods described in any of the above-mentioned methods.

[0036] As described above, in this disclosure, two optical signals are first acquired, then the two optical signals are coupled based on a certain coupling ratio, and finally the optical signals obtained after coupling are processed using a pre-set DC voltage to obtain the power of the two optical signals, and then the bandwidth is determined based on the power. Attached Figure Description

[0037] To more clearly illustrate the technical solutions in this disclosure or related technologies, the accompanying drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, the accompanying drawings described below are only embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0038] Figure 1A This is a schematic diagram of a bandwidth testing method provided in an embodiment of this disclosure.

[0039] Figure 1B This is a schematic diagram of a method for generating a data resource set provided in an embodiment of this disclosure.

[0040] Figure 2 This is a schematic diagram of a bandwidth testing device provided in an embodiment of the present disclosure.

[0041] Figure 3This is a schematic diagram of an electronic device structure for a bandwidth testing method provided in an embodiment of this disclosure. Detailed Implementation

[0042] To make the objectives, technical solutions, and advantages of this disclosure clearer, the following detailed description is provided in conjunction with specific embodiments and the accompanying drawings.

[0043] It should be noted that, unless otherwise defined, the technical or scientific terms used in the embodiments of this disclosure should have the ordinary meaning understood by one of ordinary skill in the art to which this disclosure pertains. The terms "first," "second," and similar terms used in the embodiments of this disclosure do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0044] As described in the background section, the increasing demand for high-speed signals in applications such as optical communication, radar, and radio is driving a continuous expansion of detector bandwidth. In practical operation, the testing accuracy and precision of the detector bandwidth measurement system are crucial. Therefore, continuous optimization of the bandwidth testing system is necessary.

[0045] In existing technologies, conventional bandwidth measurement methods typically involve adjusting the laser frequency by controlling the laser's temperature, and then calculating the detector's bandwidth using the resulting frequency difference. However, using existing methods requires simultaneous measurements from two different detectors. Therefore, while analyzing the detector's signal, another detector must be used to perform frequency analysis. This makes existing systems not only complex but also inconvenient for data recording and analysis.

[0046] Specifically, when testing bandwidth using existing technology, at least two lines (e.g., line A and line B) are typically used to detect the optical signal and determine the detector's bandwidth range. Specifically, in line A, a spectrum analyzer is used to test and record the frequency of the radio frequency signal converted from one optical signal. In line B, a detector is used to detect the other optical signal and obtain power information. Then, the frequency obtained from line A and the power determined from line B are combined to calculate the detector's bandwidth.

[0047] In actual control processes, as mentioned earlier, traditional bandwidth testing methods involve measuring optical signals using multiple lines, resulting in a complex circuit structure and inconvenient data recording and analysis. Furthermore, the simultaneous operation of multiple lines during measurement can lead to significant errors in the measurement results and incurs substantial energy consumption.

[0048] To address the aforementioned issues, this disclosure first acquires two optical signals. Then, the frequencies and wavelengths of the two optical signals at different temperatures are determined, and a data resource set regarding temperature, frequency, and wavelength is generated. Next, the two optical signals are coupled based on a certain coupling ratio. Finally, an erbium-doped fiber amplifier and an optical attenuator are used to process the power of the coupled optical signal. The processed optical signal is then fed into a detector to generate an radio frequency (RF) signal. A power sensor is used to measure the RF signal power. Finally, the bandwidth is determined by finding the frequencies corresponding to the two optical signals in the data resource set and the power indicated by the power sensor.

[0049] In the above process, because the present disclosure pre-constructs a data resource set on temperature, frequency, and wavelength, the detector bandwidth can be obtained simply by reading the power sensor reading during measurement. Furthermore, the method of the present disclosure eliminates the need for one circuit (i.e., the aforementioned circuit A) when measuring bandwidth, thus simplifying the complex circuitry problem in the prior art and making it more convenient to measure and record the detector bandwidth.

[0050] After introducing the basic principles of this disclosure, various non-limiting embodiments of this disclosure will be described in detail below.

[0051] Figure 1A This is a schematic diagram of a bandwidth testing method provided in an embodiment of this disclosure.

[0052] Figure 1A The bandwidth testing method shown further includes the following steps:

[0053] Step S10: Acquire at least two optical signals.

[0054] In some optional embodiments, the bandwidth testing method in this disclosure can also be implemented using a bandwidth testing system. Initially, the bandwidth testing system can acquire two optical signals to measure the detector's bandwidth. It is understood that to make the detector bandwidth measurement results more accurate, more optical signals can be acquired for measurement. This disclosure uses only two optical signals as an example, but this does not mean that the method in this disclosure cannot be applied to the measurement of multiple optical signals.

[0055] Figure 1BThis is a schematic diagram of a method for generating a data resource set provided in an embodiment of this disclosure.

[0056] In some alternative embodiments, such as Figure 1B As shown, in this embodiment, after step S10, the method also needs to generate a data resource set, specifically including:

[0057] S101: Adjust the wavelengths of the at least two optical signals based on preset values ​​to obtain the adjusted optical signals.

[0058] S102: Determine the frequency and wavelength information of the adjusted optical signal at the target temperature.

[0059] S103: Generate a data resource set based on the correspondence between the target temperature, the frequency information, and the wavelength information.

[0060] In some optional embodiments, after acquiring two optical signals, the bandwidth testing system can first analyze the frequency and wavelength of the two optical signals to generate a data resource set. Specifically, the bandwidth testing system can change the frequency of the two optical signals by varying the temperature, record the different frequencies corresponding to different temperatures, determine the wavelength of each frequency based on the recorded frequencies, and finally generate a data resource set using the temperature, frequency, and wavelength.

[0061] In some optional embodiments, the aforementioned process of measuring frequency by controlling temperature changes can be further specified as follows: First, by adjusting the current of the first and second lasers in the bandwidth testing system, the wavelength of the emitted first and second optical signals is tuned to 0 dBm. Then, starting at 20 degrees Celsius, the temperatures of the first and second lasers (i.e., the target temperatures) are gradually adjusted in 0.2-degree Celsius intervals until both lasers reach 30 degrees Celsius. Then, at each temperature rise time (e.g., 20°C-20.2°C), the frequency and wavelength of the first and second optical signals are measured using a wavelength meter and recorded (e.g., the wavelength of the first optical signal at 20.2°C is recorded as λ). a The wavelength of the second optical signal at 20.2℃ is λ. b Then, the frequency difference f between the first and second optical signals is calculated using the recorded wavelength information. ab (That is, the frequency of the radio frequency signal output by the detector in the test system). Finally, the wavelength and frequency information recorded at different temperatures (that is, the target temperature) are mapped and a data resource set is constructed.

[0062] It is understandable that the temperature value is constantly changing during the aforementioned process, and the corresponding frequency and wavelength information at different temperatures are also constantly changing. Therefore, the frequency of the laser signal output by the laser can be continuously adjusted to achieve the purpose of frequency sweeping. During the aforementioned temperature adjustment process, the frequency difference between the two optical signals can be increased from 0Hz (i.e., the frequency sweep frequency increases from 0Hz), thereby causing the output radio frequency signal frequency to also increase from 0Hz.

[0063] Step S20: Couple the at least two optical signals to obtain coupled optical signals.

[0064] In some optional embodiments, step S20 specifically includes:

[0065] S201: Determine the coupling ratio of the at least two optical signals.

[0066] S202: Based on the coupling ratio, the at least two optical signals are coupled to obtain the coupled optical signals.

[0067] In some alternative embodiments, the bandwidth testing system can be an integrated testing device. Therefore, it can perform the power testing process of two optical signals (i.e., the first optical signal and the second optical signal) while generating the aforementioned data resource set.

[0068] In some alternative embodiments, the process of testing the power of the optical signal described above can be specifically as follows: first, the two optical signals are coupled, and then the coupled optical signal is input into the detector to generate a radio frequency signal.

[0069] In some optional embodiments, the process of coupling the optical signals can be specifically as follows: first, the two optical signals are sent to a polarizer for polarization processing; then, the two polarized optical signals emitted by the polarizer are coupled through an optical fiber coupler at a coupling ratio of 50:50 to obtain the coupled optical signal. It is understood that the aforementioned coupling ratio is not unique; this embodiment only uses a 50:50 ratio as an example for illustration, but it does not mean that this method can only be implemented with this ratio.

[0070] Step S30: Determine the current power of the at least two optical signals based on the coupled optical signals and the preset DC voltage value.

[0071] In some alternative embodiments, the process of determining the current power of at least two optical signals can be understood as determining the current power of the aforementioned at least two optical signals based on the aforementioned coupled optical signals, the erbium-doped fiber amplifier, and the optical attenuator.

[0072] In some optional embodiments, step S30 specifically includes:

[0073] S301: Convert the coupled optical signal into a radio frequency signal, and determine the current power of the radio frequency signal based on a preset DC voltage value.

[0074] In some alternative embodiments, the process of determining the current power of at least two optical signals can also be understood as converting the aforementioned coupled optical signals into radio frequency signals and determining the current power of the aforementioned radio frequency signals based on a power sensor.

[0075] In some optional embodiments, the aforementioned process of inputting the coupled optical signal into the detector to measure the power of the radio frequency signal can be specifically described as follows: the coupled optical signal is input into an erbium-doped fiber amplifier to amplify the signal power. Then, the optical signal output from the erbium-doped fiber amplifier is connected to an adjustable attenuator to precisely adjust the power of the optical signal. Finally, an optical signal with precise power is obtained through the adjustable attenuator. This precisely powered optical signal is then passed through a lens fiber into the detector, causing the detector to convert the optical signal into a radio frequency signal. The power of the radio frequency signal is then measured by a power sensor.

[0076] In some optional embodiments, the process of the detector measuring the power of the optical signal can be understood as the detector measuring the power of the radio frequency signal through a power sensor connected to the bias tee. Specifically, the optical signal output by the detector is fed into the bias tee. The bias tee has three ports: a DC port, an RF port, and a DC+RF port. The DC port can only accept DC signals, the RF port can only accept radio frequency signals, and the DC+RF port can accept both DC and radio frequency signals.

[0077] In some alternative embodiments, the DC port of the bias converter can be connected to a voltage source to apply a bias voltage to the detector (i.e., apply a preset DC voltage value so that the detector can operate normally). The RF signal output by the detector is connected to the DC+RF port of the bias converter via an RF cable, receiving the bias voltage (i.e., applying the preset DC voltage value) while transmitting the RF signal; the RF port of the bias converter can filter out the DC signal. Finally, the RF signal is transmitted to an RF power sensor via an RF cable, and the power of the RF signal is measured using a power sensor connected to a computer device in the bandwidth testing system to obtain the current power value.

[0078] Step S40: Determine the bandwidth based on the current power.

[0079] In some optional embodiments, the aforementioned at least two optical signals include a first optical signal and a second optical signal, and step S40 specifically includes:

[0080] S401: Determine the first frequency of the first optical signal at a preset temperature and the second frequency of the second optical signal at the current temperature.

[0081] In some optional embodiments, step S401 specifically includes:

[0082] S4011: Determine the first frequency corresponding to the preset temperature in the data resource set, and the second frequency corresponding to the current temperature in the data resource set.

[0083] In some optional embodiments, once the measured current power values ​​of the two optical signals are equal, frequency sweep processing can be performed on the two optical signals. Specifically, at the initial moment of measurement, the wavelengths of the laser signals emitted by the two lasers (i.e., the first optical signal and the second optical signal) can be kept consistent. Then, the parameters of the first laser are kept constant (i.e., the parameters of the first optical signal are kept in a stable state), and the temperature of the cooler of the second laser is adjusted to increase it incrementally. Subsequently, the frequency of the signal emitted by the second laser is continuously changed, thereby increasing the frequency difference between the two signals from 0Hz, ultimately achieving frequency sweep.

[0084] In some optional embodiments, the frequency sweeping process in this step is the same as that in steps S101-S103, and will not be described again in this embodiment. During the frequency sweeping process in this step, the frequency information corresponding to the optical signal when the temperature changes can be searched in the data resource set constructed in steps S101-S103. Specifically, by traversing the data resource set, the first frequency of the first optical signal at the preset temperature (i.e., the adjusted temperature value) and the second frequency at the current temperature (i.e., the temperature value before adjustment) can be determined.

[0085] In some optional embodiments, since a data resource set has been pre-built, the signal frequency at this temperature can be determined simply by searching one-to-one from the data resource set built in steps S101-S103. Because there is no need to measure the frequency of the radio frequency signal again, the circuit structure in the prior art is simplified, thus facilitating measurement and data recording.

[0086] S402: Based on the first frequency, the second frequency, and the current power generation response curve.

[0087] In some optional embodiments, step S40 specifically includes:

[0088] S4021: Establish a two-dimensional rectangular coordinate system with the difference between the first frequency and the second frequency as the horizontal axis and the current power as the vertical axis.

[0089] S4022: Map the difference between the first frequency and the second frequency, as well as the current power, into the two-dimensional rectangular coordinate system, and generate a response curve.

[0090] In some optional embodiments, a response curve can be generated based on the first frequency, the second frequency, and the current power. Specifically, a two-dimensional Cartesian coordinate system can be established first, with the frequency value corresponding to the difference between the first and second frequencies as the horizontal axis and the value corresponding to the current power as the vertical axis. Then, after establishing the two-dimensional Cartesian coordinate system, the difference between the first and second frequencies, as well as the current power, can be mapped onto the two-dimensional Cartesian coordinate system to generate a response curve.

[0091] S403: Determine the bandwidth based on the response curve.

[0092] In some alternative embodiments, after the response curve is generated, the bandwidth of the detector can be determined by observing and analyzing the values ​​within the response curve.

[0093] In summary, in this disclosure, two optical signals are first acquired, then coupled based on a certain coupling ratio, and finally the coupled optical signals are processed using an erbium-doped fiber amplifier and an optical attenuator to obtain the power of the two optical signals, and then the bandwidth is determined based on the power.

[0094] The method disclosed herein pre-measures the relationship between the temperature and wavelength of the laser signal emitted by a distributed feedback laser using a simple circuit. Then, during subsequent RF power measurements, frequency sweep is achieved simply by adjusting the laser temperature, and the power sensor readings are read out. By comparing these readings with the temperature-wavelength relationship, the bandwidth of the detector can be determined.

[0095] This disclosure simplifies not only the number of system instruments used and the circuitry, but also makes data analysis and recording more convenient during formal measurements. Since the correspondence between laser signal temperature and wavelength only needs to be measured once, it can also be used when measuring the bandwidth of other detectors. This means that when measuring different detectors in the future, only the power sensor readings and records need to be taken.

[0096] Based on the same technical concept, corresponding to the methods of any of the above embodiments, this disclosure also provides a bandwidth testing device, which can realize the bandwidth testing method described in any of the above embodiments.

[0097] Figure 2 This is a schematic diagram of a bandwidth testing device provided in an embodiment of the present disclosure.

[0098] Figure 2The bandwidth testing apparatus shown further includes the following modules:

[0099] Signal acquisition module 10, coupling processing module 20, power determination module 30, and bandwidth generation module 40;

[0100] The signal acquisition module 10 is configured to acquire at least two optical signals. Specifically, the following steps are performed:

[0101] The wavelengths of the at least two optical signals are adjusted based on preset values ​​to obtain the adjusted optical signals;

[0102] Determine the frequency and wavelength information of the adjusted optical signal at the target temperature;

[0103] A data resource set is generated based on the correspondence between the target temperature, the frequency information, and the wavelength information.

[0104] The coupling processing module 20 is configured to perform coupling processing on the at least two optical signals to obtain coupled optical signals. Specifically, the following steps are performed:

[0105] Determine the coupling ratio of the at least two optical signals;

[0106] The at least two optical signals are coupled based on the stated coupling ratio to obtain the coupled optical signal.

[0107] The power determination module 30 is configured to determine the current power of at least two optical signals based on the coupled optical signals and a preset DC voltage value. Specifically, the following steps are performed:

[0108] The coupled optical signal is converted into a radio frequency signal, and the current power of the radio frequency signal is determined based on a preset DC voltage value.

[0109] The bandwidth generation module 40 is configured to determine the bandwidth based on the current power. Specifically, the following steps are performed:

[0110] The at least two optical signals include a first optical signal and a second optical signal;

[0111] Determining the first frequency of the first optical signal at a preset temperature and the second frequency of the second optical signal at the current temperature includes:

[0112] Determine the first frequency corresponding to the preset temperature in the data resource set, and the second frequency corresponding to the current temperature in the data resource set;

[0113] Based on the first frequency, the second frequency, and the current power generation response curve, including:

[0114] A two-dimensional rectangular coordinate system is established with the difference between the first frequency and the second frequency as the horizontal axis and the current power as the vertical axis;

[0115] The difference between the first frequency and the second frequency, as well as the current power, are mapped onto the two-dimensional Cartesian coordinate system to generate a response curve;

[0116] The bandwidth is determined based on the response curve.

[0117] Based on the same technical concept, corresponding to the methods of any of the above embodiments, this disclosure also provides an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the program to implement the bandwidth testing method described in any of the above embodiments.

[0118] Figure 3 This embodiment illustrates a more specific hardware structure of an electronic device, which may include a processor 1010, a memory 1020, an input / output interface 1030, a communication interface 1040, and a bus 1050. The processor 1010, memory 1020, input / output interface 1030, and communication interface 1040 are interconnected internally via the bus 1050.

[0119] The processor 1010 can be implemented using a general-purpose CPU (Central Processing Unit), microprocessor, application-specific integrated circuit (ASIC), or one or more integrated circuits, and is used to execute relevant programs to implement the technical solutions provided in the embodiments of this specification.

[0120] The memory 1020 can be implemented in the form of ROM (Read Only Memory), RAM (Random Access Memory), static storage device, dynamic storage device, etc. The memory 1020 can store the operating system and other applications. When the technical solutions provided in the embodiments of this specification are implemented by software or firmware, the relevant program code is stored in the memory 1020 and is called and executed by the processor 1010.

[0121] The input / output interface 1030 is used to connect input / output modules to realize information input and output. Input / output modules can be configured as components within the device (not shown in the figure) or externally connected to the device to provide corresponding functions. Input devices may include keyboards, mice, touchscreens, microphones, various sensors, etc., while output devices may include displays, speakers, vibrators, indicator lights, etc.

[0122] The communication interface 1040 is used to connect a communication module (not shown in the figure) to enable communication between this device and other devices. The communication module can communicate via wired means (such as USB, Ethernet cable, etc.) or wireless means (such as mobile network, WIFI, Bluetooth, etc.).

[0123] Bus 1050 includes a pathway for transmitting information between various components of the device, such as processor 1010, memory 1020, input / output interface 1030, and communication interface 1040.

[0124] It should be noted that although the above-described device only shows the processor 1010, memory 1020, input / output interface 1030, communication interface 1040, and bus 1050, in specific implementations, the device may also include other components necessary for normal operation. Furthermore, those skilled in the art will understand that the above-described device may only include the components necessary for implementing the embodiments of this specification, and not necessarily all the components shown in the figures.

[0125] The electronic devices described above are used to implement the corresponding bandwidth testing methods in any of the foregoing embodiments, and have the beneficial effects of the corresponding method embodiments, which will not be repeated here.

[0126] Based on the same technical concept, corresponding to the methods of any of the above embodiments, this disclosure also provides a non-transitory computer-readable storage medium storing computer instructions for causing the computer to execute the bandwidth testing method as described in any of the above embodiments.

[0127] The computer-readable medium of this embodiment includes permanent and non-permanent, removable and non-removable media, and information storage can be implemented by any method or technology. Information can be computer-readable instructions, data structures, program modules, or other data. Examples of computer storage media include, but are not limited to, phase-change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technologies, CD-ROM, digital versatile optical disc (DVD) or other optical storage, magnetic tape, magnetic magnetic disk storage or other magnetic storage devices, or any other non-transfer medium that can be used to store information accessible by a computing device.

[0128] The computer instructions stored in the storage medium of the above embodiments are used to cause the computer to execute the bandwidth testing method as described in any of the above embodiments, and have the beneficial effects of the corresponding method embodiments, which will not be repeated here.

[0129] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of this disclosure (including the claims) is limited to these examples; within the framework of this disclosure, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of different aspects of the embodiments of this disclosure as described above, which are not provided in detail for the sake of brevity.

[0130] Additionally, to simplify the description and discussion, and to avoid obscuring the embodiments of this disclosure, the provided drawings may or may not show well-known power / ground connections to integrated circuit (IC) chips and other components. Furthermore, the apparatus may be shown in block diagram form to avoid obscuring the embodiments of this disclosure, and this also takes into account the fact that the details of implementation of these block diagram apparatuses are highly dependent on the platform on which the embodiments of this disclosure will be implemented (i.e., these details should be fully understood by those skilled in the art). While specific details (e.g., circuitry) have been set forth to describe exemplary embodiments of this disclosure, it will be apparent to those skilled in the art that the embodiments of this disclosure may be implemented without these specific details or with variations thereof. Therefore, these descriptions should be considered illustrative rather than restrictive.

[0131] Although this disclosure has been described in conjunction with specific embodiments thereof, many substitutions, modifications, and variations of these embodiments will be apparent to those skilled in the art from the foregoing description. For example, other memory architectures (e.g., dynamic RAM (DRAM)) may be used with the embodiments discussed.

[0132] This disclosure is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this disclosure should be included within the scope of protection of this disclosure.

Claims

1. A bandwidth testing method, characterized in that, include: Acquire at least two optical signals; the at least two optical signals include a first optical signal and a second optical signal; The at least two optical signals are coupled to obtain a coupled optical signal; The current power of the at least two optical signals is determined based on the coupled optical signals and the preset DC voltage value; Determining bandwidth based on the current power includes: Determine the first frequency of the first optical signal at a preset temperature in a pre-constructed data resource set, and the second frequency of the second optical signal at the current temperature in the same data resource set; Based on the first frequency, the second frequency, and the current power generation response curve; The bandwidth is determined based on the response curve.

2. The method according to claim 1, characterized in that, After acquiring at least two optical signals, the method further includes: The wavelengths of the at least two optical signals are adjusted based on preset values ​​to obtain the adjusted optical signals; Determine the frequency and wavelength information of the adjusted optical signal at the target temperature; A data resource set is generated based on the correspondence between the target temperature, the frequency information, and the wavelength information.

3. The method according to claim 2, characterized in that, The coupling process of the at least two optical signals to obtain the coupled optical signal includes: Determine the coupling ratio of the at least two optical signals; The at least two optical signals are coupled based on the stated coupling ratio to obtain the coupled optical signal.

4. The method according to claim 3, characterized in that, Determining the current power of the at least two optical signals based on the coupled optical signals and a preset DC voltage value includes: The coupled optical signal is converted into a radio frequency signal, and the current power of the radio frequency signal is determined based on a preset DC voltage value.

5. The method according to claim 1, characterized in that, The response curve based on the first frequency, the second frequency, and the current power generation includes: A two-dimensional rectangular coordinate system is established with the difference between the first frequency and the second frequency as the horizontal axis and the current power as the vertical axis; The difference between the first frequency and the second frequency, as well as the current power, are mapped onto the two-dimensional Cartesian coordinate system to generate a response curve.

6. A bandwidth testing device, characterized in that, include: The signal acquisition module is configured to acquire at least two optical signals, wherein the at least two optical signals include a first optical signal and a second optical signal. The coupling processing module is configured to perform coupling processing on the at least two optical signals to obtain coupled optical signals; The power determination module is configured to determine the current power of at least two optical signals based on the coupled optical signals and a preset DC voltage value. The bandwidth generation module is configured to: determine bandwidth based on the current power, including: determining a first frequency of the first optical signal at a preset temperature in a pre-constructed data resource set, and a second frequency of the second optical signal at the current temperature in the same data resource set; and generating a response curve based on the first frequency, the second frequency, and the current power. The bandwidth is determined based on the response curve.

7. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that, When the processor executes the program, it implements the method as described in any one of claims 1 to 5.

8. A non-transitory computer-readable storage medium storing computer instructions for causing a computer to perform the method of any one of claims 1 to 5.

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