Optical cable line performance analysis method and system based on an otdr test curve, and storage medium

Abstract

The application relates to the technical field of optical cable life, and discloses an optical cable line performance analysis method and system based on an OTDR test curve and a storage medium, the method comprising the following steps: acquiring performance analysis data and a first optical cable line, adding an OTDR and dividing a first network and a second network, calculating a first life index and a second life index, and performing overall performance analysis on the optical cable line network, the storage medium and the system correspond to the method. According to the application, the performance analysis data is acquired, thereby providing a data basis for screening the first optical cable line; the OTDR is added to the first optical cable line only, thereby realizing cost friendliness, and the optical cable line network is divided, thereby realizing targeted monitoring; the first life index and the second life index are calculated, thereby realizing scientific prediction of the first network life and the second network life; the first life index and the second life index are used, thereby realizing overall performance analysis on the optical cable line network. Finally, the optical cable line performance analysis based on the OTDR test curve is realized.

Description

Technical Field

[0001] This application relates to the field of optical cable life technology, specifically to a method, system, and storage medium for optical cable line performance analysis based on OTDR test curves. Background Technology

[0002] Optical fiber lines, as the foundation of the most common communication equipment, play a crucial role in communication quality when operating normally. Among their various parameters, lifespan limits the service life of optical fiber lines and directly affects their operation and maintenance costs. Therefore, it is necessary to analyze the lifespan of optical fiber lines.

[0003] An OTDR (Optical Time Domain Reflectometer) is a test instrument used to determine the characteristics of optical cables and optical networks. It measures optical properties such as attenuation characteristics, fault points, fiber length, and splice loss by measuring the backscattered light and Fresnel reflections generated by the optical cable under test, and displays these properties as a trajectory on a monitor. Research on the application of OTDRs in optical cable line life analysis is essential.

[0004] Chinese Patent No. CN202010405662.2 discloses a method for optical cable fault location and push based on OTDR big data analysis. Addressing the limitation of accurate fault location analysis using manual OTDR detection data, the proposed solution includes: real-time collection of alarm information from multiple telecommunications network units via an EMS system; real-time streaming processing of the alarm information collected by the EMS system using a big data cluster to generate optical fiber fault events; the big data cluster actively initiating OTDR detection to the corresponding telecommunications network units in the EMS system via an OTDR detection module, determining the fault point based on the detection results and GIS basic resources, and then adding the determined fault point location information to the optical fiber fault event to form a fiber breakage event; the front-end application extracts the fiber breakage fault event and pushes it to an AI monitoring and management module, which generates fault alarm information and intelligently sends it to maintenance personnel for processing. This invention achieves accurate location of optical cable faults and efficient and timely maintenance management. While this invention enables real-time monitoring and fault location, it also suffers from the limitation of lacking effective analysis for long-term monitoring of optical cables.

[0005] Chinese Patent No. CN202310980678.X discloses a method, apparatus, computer equipment, medium, and program product for predicting the lifetime of optical fibers. The method includes: acquiring transmission loss data of each optical fiber sample in a sample set after undergoing accelerated stress testing within a preset time window at a constant test temperature and relative humidity; obtaining the expected lifetime of each optical fiber sample based on multiple transmission loss fitting curves obtained from each accelerated stress test, combined with optical fiber lifespan indices; obtaining a training dataset and a test dataset based on the test datasets from each accelerated stress test; training and testing an initial optical fiber lifetime prediction model using the training dataset and the test dataset to obtain a target optical fiber lifetime prediction model; and inputting the temperature and humidity corresponding to the optical fiber to be predicted into the target optical fiber lifetime prediction model to obtain the expected lifetime of the optical fiber to be predicted. This invention achieves effective lifetime analysis based on the optical fiber lifetime prediction model, but it is not applicable to optical cable lines currently in service.

[0006] In summary, the existing technology lacks a technical solution for optical cable line performance analysis based on OTDR test curves. Summary of the Invention

[0007] The purpose of this application is to provide a method, system, and storage medium for optical cable line performance analysis based on OTDR test curves, so as to solve the technical problems mentioned in the background art.

[0008] To achieve the above objectives, this application discloses the following technical solutions: In a first aspect, this application discloses a method for analyzing the performance of optical cable lines based on OTDR test curves, the method comprising: S1: Obtain performance analysis data of all optical fiber lines in the optical fiber line network within the region, and obtain the first optical fiber line to be added to the OTDR based on the performance analysis data. S2: Add an OTDR to the first optical cable line and divide the optical cable line network into a first network including all the first optical cable lines and a second network including all the first optical cable lines removed. S3: Obtain the updated performance analysis data of the first network and the performance analysis data of the second network, calculate the first lifetime index of the first network and calculate the second lifetime index of the second network; S4: Perform performance analysis on the optical cable network based on the first lifetime index and the second lifetime index.

[0009] Preferably, the performance analysis data includes the optical cable line level, the optical cable line number, and the optical cable line fault records. The hierarchy includes the top-level line. Secondary and secondary lines and Level 3 lines Furthermore, the degree of impact of optical cable line faults on the optical cable line network is... ; The number is used to locate the first optical cable line and is represented as follows: ,in, Indicates the level and , Indicates the optical cable line at the level The serial number in , It is the set of positive integers. Indicates the number is Optical cable lines; The fault record corresponds to the number.

[0010] Preferably, the first optical cable line added to the OTDR based on the performance analysis data specifically includes: The necessity of adding OTDRs to each optical cable line is calculated using the OTDR addition index calculation formula. The specific formula for calculating the OTDR addition index is as follows: in: The historical fault frequency is obtained based on the fault records, and , For a preset performance analysis cycle, This refers to the sequence number of the performance analysis cycle. For the front The number of failures in each of the aforementioned performance analysis cycles. for The duration corresponding to each performance analysis cycle; The current fault frequency is obtained based on the fault records, and , For the first The number of failures in each of the aforementioned performance analysis cycles. The duration corresponding to one of the aforementioned performance analysis cycles; Adjust the parameters for the current fault frequency, and , The level value corresponding to the level; and Indicates: When the level is hour When the level is hour and when the level is hour ; The historical fault frequency is compared with a preset historical fault frequency threshold. When the historical fault frequency is greater than or equal to the historical fault frequency threshold, ,otherwise ; An index is added to the OTDR, and the magnitude of the OTDR addition index is proportional to the necessity of adding an OTDR to the optical cable line; the number of the optical cable line for which the OTDR is added is calculated using a first optical cable line acquisition formula, the first optical cable line acquisition formula being as follows: in, This is a maximum value operator, and it indicates that the obtained number of the first optical cable line is the number of the optical cable line corresponding to the maximum value of each OTDR addition index. The number of the first optical cable line obtained is , and .

[0011] Preferably, step S2 further includes: S21: Obtained through calculation The number of the optical cable line to be added by OTDR is located and defined as the first optical cable line; S22: Add an OTDR to the first optical cable line; S23: Obtain the addition record of the first optical cable line, and define the set of the first optical cable lines in each performance analysis period in the addition record as the first network; S24: Define the set of remaining optical fiber lines in the optical fiber line network after removing the first network from step S23 as the second network.

[0012] Preferably, the updated performance analysis data includes the performance analysis data and the OTDR test curve.

[0013] Preferably, the calculation of the first lifetime index of the first network specifically includes: The first lifetime index is calculated using the first lifetime index calculation formula, and the first lifetime index is inversely proportional to the lifetime of the first network. The formula for calculating the first lifespan index is as follows: in: The first network's total fault frequency is obtained based on the fault records, and , for The duration corresponding to each performance analysis cycle. For the front The sum of the number of failures of the first network in each of the performance analysis cycles; The optical cable attenuation coefficient is obtained based on the OTDR test curve; This is the first lifespan index.

[0014] Preferably, the calculation of the second lifetime index of the second network specifically includes: The second lifetime index is calculated using the second lifetime index calculation formula, and the second lifetime index is inversely proportional to the lifetime of the second network; The formula for calculating the second lifespan index is as follows: in: The second network's total fault frequency is obtained based on the fault records, and , for The duration corresponding to each performance analysis cycle. For the front The sum of the number of failures of the second network in each of the performance analysis cycles; For the front The standard deviation of the number of failures in the second network over the specified performance analysis period; This is the second lifespan index.

[0015] Preferably, step S4 further includes: S41: Compare the first lifespan index with a preset first lifespan index threshold, and issue a warning to the administrator when the first lifespan index is greater than or equal to the first lifespan index threshold. S42: Compare the second life index with a preset second life index threshold. When the second life index is greater than or equal to the second life index threshold, issue a warning to the administrator. S43: Calculate the overall lifespan index of the optical cable line network using the exponential fusion formula, and the overall lifespan index is inversely proportional to the lifespan of the optical cable line network; The specific formula for the index fusion is as follows: in, This refers to the overall lifespan index. Adjusting parameters for the first lifespan index and .

[0016] Secondly, this application discloses an optical cable line performance analysis system based on OTDR test curves, applicable to the optical cable line performance analysis method based on OTDR test curves as described in any of the preceding claims, the system comprising: The first optical cable line acquisition module is configured to: acquire performance analysis data of all optical cable lines in the optical cable line network within the area, and acquire the first optical cable line to be added for OTDR based on the performance analysis data. The optical cable line network segmentation module is configured to: add an OTDR to the first optical cable line and divide the optical cable line network into a first network including all the first optical cable lines and a second network including all the first optical cable lines removed. The lifetime index calculation module is configured to: acquire the updated performance analysis data of the first network and the performance analysis data of the second network, calculate the first lifetime index of the first network and calculate the second lifetime index of the second network; The optical cable line performance analysis module is configured to perform performance analysis on the optical cable line network based on the first lifetime index and the second lifetime index.

[0017] Thirdly, this application discloses a storage medium storing a computer program thereon, which, when executed by a processor, implements the optical cable line performance analysis method based on OTDR test curves as described in any of the preceding claims.

[0018] Beneficial effects: The optical cable line performance analysis method, system, and storage medium based on OTDR test curves of this application provide a data foundation for screening the first optical cable line by acquiring performance analysis data; it achieves cost-effectiveness by adding OTDR only to the first optical cable line, and enables targeted monitoring by dividing the optical cable line network; it achieves scientific prediction of the lifespan of the first network and the second network by calculating the first lifespan index and the second lifespan index; and it achieves overall performance analysis of the optical cable line network by using the first lifespan index and the second lifespan index. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 A flowchart illustrating the optical cable line performance analysis method based on OTDR test curves provided in this application embodiment; Figure 2 A schematic block diagram of an optical cable line performance analysis system based on OTDR test curves provided in an embodiment of this application. Detailed Implementation

[0021] The technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0022] In this document, the term "comprising" is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0023] The first aspect of this embodiment discloses as follows: Figure 1 The method shown is an optical cable line performance analysis method based on OTDR test curves, which includes: S1: Obtain performance analysis data of all optical fiber lines in the optical fiber line network within the region, and based on the performance analysis data, determine the first optical fiber line to be added to the OTDR. S2: Add an OTDR to the first optical cable line to divide the optical cable line network into a first network including all the first optical cable lines and a second network including all the first optical cable lines. S3: Obtain the updated performance analysis data of the first network and the performance analysis data of the second network, calculate the first lifetime index of the first network and calculate the second lifetime index of the second network; S4: Performance analysis of optical cable line networks based on the first and second lifetime indices.

[0024] By acquiring performance analysis data, a data foundation was provided for selecting the first optical cable line; cost-effectiveness was achieved by adding OTDR only to the first optical cable line, and targeted monitoring was achieved by dividing the optical cable line network; scientific prediction of the lifespan of the first and second networks was achieved by calculating the first and second lifespan indices; and overall performance analysis of the optical cable line network was achieved by using the first and second lifespan indices.

[0025] Specifically, the performance analysis data includes the fiber optic cable line's layer, line number, and fault records. The hierarchy includes top-level lines. Secondary and secondary lines and Level 3 lines Furthermore, the impact of optical cable line faults on the optical cable line network is... ; The number is used to locate the first optical cable line and is represented as follows: ,in, Indicates hierarchy and , Indicates the fiber optic cable line at the layer The serial number in , It is the set of positive integers. Indicates the number is Optical cable lines; The fault records correspond to the numbers. It should be noted that the purpose of analyzing the optical cable lines that need to be added to OTDR through fault records in this embodiment is to provide this analysis so that OTDR can be added only to the optical cable lines that have faults, thereby achieving effective cost control.

[0026] Specifically, the first optical cable line added to the OTDR based on performance analysis data includes: The necessity of adding OTDRs to each optical cable line is calculated using the OTDR addition index calculation formula. The specific formula for calculating the OTDR addition index is as follows: in: The historical fault frequency is obtained based on fault records, and , For a preset performance analysis cycle, This is the sequence number of the performance analysis cycle. For the front Number of failures per performance analysis cycle for The duration of each performance analysis cycle; The current fault frequency is obtained based on fault records, and , For the first Number of failures per performance analysis cycle The duration corresponding to one performance analysis cycle; Adjust parameters for the current fault frequency, and , The level value corresponds to the level; and Indicates: When the level is hour When the level is hour And when the level is hour ; The historical fault frequency is compared with a preset historical fault frequency threshold. When the historical fault frequency is greater than or equal to the historical fault frequency threshold, ,otherwise ; An index is added to the OTDR, and the magnitude of the added index is directly proportional to the necessity of adding the OTDR to the optical cable line. The number of the optical cable line to be added to the OTDR is calculated using the first optical cable line acquisition formula, which is as follows: in, This is the maximum value operator, indicating that the obtained first optical cable line number is the optical cable line number corresponding to the maximum value of each OTDR addition index. The number of the first optical cable line obtained is , and .

[0027] Specifically, step S2 also includes: S21: Obtained through calculation Locate the number of the optical cable line to be added by OTDR and define it as the first optical cable line; S22: Add an OTDR to the first optical cable line; S23: Obtain the addition record of the first optical cable line, and define the set of the first optical cable lines in each performance analysis cycle in the addition record as the first network; S24: Define the set of remaining optical fiber lines in the optical fiber line network after removing the first network from step S23 as the second network.

[0028] Specifically, the updated performance analysis data includes performance analysis data and OTDR test curves.

[0029] Specifically, calculating the first lifetime index of the first network includes: The first lifetime index is calculated using the first lifetime index calculation formula, and the first lifetime index is inversely proportional to the lifetime of the first network. The formula for calculating the first life index is as follows: in: The first network's total fault frequency is obtained based on fault records, and , for The duration corresponding to each performance analysis cycle For the front The sum of the number of failures in the first network across all performance analysis cycles; The optical cable attenuation coefficient is obtained based on the OTDR test curve. This coefficient depends on the optical power and distance of the selected observation point in the optical cable line and can reflect the aging degree of the optical cable line. It is the first lifespan index.

[0030] Specifically, calculating the second lifetime index of the second network includes: The second lifetime index is calculated using the formula for the second lifetime index, and the second lifetime index is inversely proportional to the lifetime of the second network. The formula for calculating the second life index is as follows: in: The total fault frequency of the second network is obtained based on fault records, and , for The duration corresponding to each performance analysis cycle For the front The sum of the number of failures in the second network over each performance analysis cycle; For the front The standard deviation of the number of failures of the second network in each performance analysis cycle, wherein the standard deviation is calculated using a standard deviation method known to those skilled in the art, and is intended to reflect the stability of the second network through the standard deviation; This is the second lifespan index.

[0031] Specifically, step S4 also includes: S41: Compare the first lifespan index with the preset first lifespan index threshold. When the first lifespan index is greater than or equal to the first lifespan index threshold, issue a warning to the administrator. S42: Compare the second life index with the preset second life index threshold. When the second life index is greater than or equal to the second life index threshold, issue a warning to the administrator. S43: Calculate the overall lifespan index of the optical fiber line network using the index fusion formula, and the overall lifespan index is inversely proportional to the lifespan of the optical fiber line network. The specific formula for exponential fusion is as follows: in, This is the overall life expectancy index. Adjust parameters for the first life index and This parameter is proportional to the derivative of the first life index with respect to the monitoring period.

[0032] The second aspect of this embodiment discloses as follows: Figure 2 The optical cable line performance analysis system based on OTDR test curves shown is applicable to the optical cable line performance analysis method based on OTDR test curves as described in any of the preceding claims. The system includes: The first optical cable line acquisition module is configured to acquire performance analysis data of all optical cable lines in the optical cable line network within the area, and acquire the first optical cable line to be added to the OTDR based on the performance analysis data. The optical cable line network segmentation module is configured to: add an OTDR to the first optical cable line and divide the optical cable line network into a first network including all the first optical cable lines and a second network including all the first optical cable lines. The lifetime index calculation module is configured to: acquire updated performance analysis data of the first network and performance analysis data of the second network, calculate the first lifetime index of the first network and calculate the second lifetime index of the second network. The optical cable line performance analysis module is configured to perform performance analysis on the optical cable line network based on a first lifetime index and a second lifetime index.

[0033] The third aspect of this embodiment discloses a storage medium storing a computer program, which, when executed by a processor, implements the optical cable line performance analysis method based on OTDR test curves as described in any of the preceding embodiments.

[0034] In summary, the optical cable line performance analysis method, system, and storage medium based on OTDR test curves in this embodiment provide a data foundation for screening the first optical cable line by acquiring performance analysis data; achieves cost-effectiveness by adding OTDR only to the first optical cable line, and enables targeted monitoring by dividing the optical cable line network; achieves scientific prediction of the lifespan of the first and second networks by calculating the first and second lifespan indices; and achieves overall performance analysis of the optical cable line network by using the first and second lifespan indices.

[0035] In the embodiments provided in this application, it should be understood that the embodiments described herein can be implemented in hardware, software, firmware, middleware, code, or any suitable combination thereof. For hardware implementation, the processor may be implemented in one or more of the following: application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field-programmable gate arrays (FPGAs), processors, controllers, microcontrollers, microprocessors, other electronic units designed to implement the functions described herein, or combinations thereof. For software implementation, some or all of the processes of the embodiments may be performed by a computer program instructing the associated hardware. During implementation, the program may be stored in a computer-readable storage medium or transmitted as one or more instructions or code on a computer-readable storage medium. Computer-readable storage media include computer storage media and communication media, wherein communication media include any medium that facilitates the transmission of a computer program from one place to another. Storage media may be any available medium accessible to a computer. Computer-readable storage media may include, but are not limited to, RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage media or other magnetic storage devices, or any other medium capable of carrying or storing desired program code having the form of instructions or data structures and accessible to a computer.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of this application and is not intended to limit this application. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A method for analyzing the performance of optical cable lines based on OTDR test curves, characterized in that, The method includes: S1: Obtain performance analysis data of all optical fiber lines in the optical fiber line network within the region, and obtain the first optical fiber line to be added to the OTDR based on the performance analysis data. S2: Add an OTDR to the first optical cable line and divide the optical cable line network into a first network including all the first optical cable lines and a second network including all the first optical cable lines removed. S3: Obtain the updated performance analysis data of the first network and the performance analysis data of the second network, calculate the first lifetime index of the first network and calculate the second lifetime index of the second network; S4: Perform performance analysis on the optical cable line network based on the first lifetime index and the second lifetime index; The first optical cable line for OTDR addition based on the performance analysis data includes: calculating the necessity of OTDR addition for each optical cable line using the OTDR addition index calculation formula, wherein the OTDR addition index calculation formula is as follows: ,in Based on historical fault frequencies obtained from fault records, The current fault frequency is obtained based on the fault records. Adjust parameters for the current fault frequency; compare the historical fault frequency with a preset historical fault frequency threshold, and when the historical fault frequency is greater than or equal to the historical fault frequency threshold... ,otherwise , An index is added to the OTDR, and the magnitude of the OTDR addition index is proportional to the necessity of adding an OTDR to the optical cable line; the number of the optical cable line for which the OTDR is added is calculated using a first optical cable line acquisition formula, the first optical cable line acquisition formula being as follows: , For maximum value operator, The number of the first optical cable line obtained is , and ; The calculation of the first lifetime index of the first network includes: calculating the first lifetime index using a first lifetime index calculation formula, wherein the first lifetime index is inversely proportional to the lifetime of the first network; the first lifetime index calculation formula is as follows: ,in The first network's total fault frequency is obtained based on the fault records. The optical cable attenuation coefficient is obtained based on the OTDR test curve; The calculation of the second lifetime index of the second network includes: calculating the second lifetime index using a second lifetime index calculation formula, wherein the second lifetime index is inversely proportional to the lifetime of the second network; the second lifetime index calculation formula is as follows: ,in The second network's total fault frequency is obtained based on the fault records. For the front The standard deviation of the number of failures in the second network over the specified performance analysis period.

2. The optical cable line performance analysis method based on OTDR test curves according to claim 1, characterized in that, The performance analysis data includes the optical cable line's layer, optical cable line number, and optical cable line fault records. The hierarchy includes the top-level line. Secondary and secondary lines and Level 3 lines Furthermore, the degree of impact of optical cable line faults on the optical cable line network is... ; The number is used to locate the first optical cable line and is represented as follows: ,in, Indicates the level and , Indicates the optical cable line at the level The serial number in , It is the set of positive integers. Indicates the number is Optical cable lines; The fault record corresponds to the number.

3. The optical cable line performance analysis method based on OTDR test curves according to claim 2, characterized in that, The formula for calculating the historical fault frequency is as follows: , For a preset performance analysis cycle, This refers to the sequence number of the performance analysis cycle. For the front The number of failures in each of the aforementioned performance analysis cycles. for The duration corresponding to each performance analysis cycle; The formula for calculating the current fault frequency is: , For the first The number of failures in each of the aforementioned performance analysis cycles. The duration corresponding to one of the aforementioned performance analysis cycles; The calculation formula for the current fault frequency adjustment parameter is as follows: , The level value corresponding to the level; and Indicates: When the level is hour When the level is hour and when the level is hour .

4. The optical cable line performance analysis method based on OTDR test curves according to claim 3, characterized in that, Step S2 also includes: S21: Obtained through calculation The number of the optical cable line to be added by OTDR is located and defined as the first optical cable line; S22: Add an OTDR to the first optical cable line; S23: Obtain the addition record of the first optical cable line, and define the set of the first optical cable lines in each performance analysis period in the addition record as the first network; S24: Define the set of remaining optical fiber lines in the optical fiber line network after removing the first network from step S23 as the second network.

5. The optical cable line performance analysis method based on OTDR test curves according to claim 4, characterized in that, The updated performance analysis data includes the performance analysis data and the OTDR test curve.

6. The optical cable line performance analysis method based on OTDR test curves according to claim 5, characterized in that, The formula for calculating the total failure frequency of the first network is as follows: , for The duration corresponding to each performance analysis cycle. For the front The sum of the number of failures of the first network in each of the performance analysis cycles.

7. The optical cable line performance analysis method based on OTDR test curves according to claim 6, characterized in that, The formula for calculating the total failure frequency of the second network is as follows: , for The duration corresponding to each performance analysis cycle. For the front The sum of the number of failures of the second network in each of the aforementioned performance analysis cycles.

8. The optical cable line performance analysis method based on OTDR test curves according to claim 7, characterized in that, Step S4 also includes: S41: Compare the first lifespan index with a preset first lifespan index threshold, and issue a warning to the administrator when the first lifespan index is greater than or equal to the first lifespan index threshold. S42: Compare the second life index with a preset second life index threshold. When the second life index is greater than or equal to the second life index threshold, issue a warning to the administrator. S43: Calculate the overall lifespan index of the optical cable line network using the exponential fusion formula, and the overall lifespan index is inversely proportional to the lifespan of the optical cable line network; The specific formula for the index fusion is as follows: in, This refers to the overall lifespan index. Adjust parameters for the first life index and .

9. A system for analyzing the performance of optical fiber lines based on OTDR test curves, applicable to the optical fiber line performance analysis method based on OTDR test curves as described in any one of claims 1-8, characterized in that, The system includes: The first optical cable line acquisition module is configured to: acquire performance analysis data of all optical cable lines in the optical cable line network within the area, and acquire the first optical cable line to be added for OTDR based on the performance analysis data. The optical cable line network segmentation module is configured to: add an OTDR to the first optical cable line and divide the optical cable line network into a first network including all the first optical cable lines and a second network including all the first optical cable lines removed. The lifetime index calculation module is configured to: acquire the updated performance analysis data of the first network and the performance analysis data of the second network, calculate the first lifetime index of the first network and calculate the second lifetime index of the second network; The optical cable line performance analysis module is configured to perform performance analysis on the optical cable line network based on the first lifetime index and the second lifetime index.

10. A storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by the processor, it implements the optical cable line performance analysis method based on OTDR test curves as described in any one of claims 1-8.

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