A Method of Optical Power Prediction for Power Optical Fiber Communication

An optical fiber communication and optical power technology, which is applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as inability to analyze and predict line status trends, and unavoidable failures, and achieve good prediction accuracy and stability. Overcome blindness and limitations and meet the effect of uninterrupted transmission

Active Publication Date: 2017-03-29
国网吉林省电力有限公司信息通信公司 +1
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Problems solved by technology

[0004] The present invention provides a method for predicting the optical power of electric optical fiber communication in order to solve the existing problems that the analysis and prediction of the line state trend cannot be realized, and the impending failure cannot be avoided.

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  • A Method of Optical Power Prediction for Power Optical Fiber Communication
  • A Method of Optical Power Prediction for Power Optical Fiber Communication
  • A Method of Optical Power Prediction for Power Optical Fiber Communication

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specific Embodiment approach 1

[0029] Specific embodiment one, combined with Figure 1 to Figure 4 Describe this embodiment, a method for optical power prediction of power optical fiber communication, and the method is realized by the following steps:

[0030] Step 1: use binary orthogonal wavelet to preprocess the original optical power data;

[0031] Since the optical power data is a kind of time series data with nonlinearity, time variability and complexity, in order to improve the prediction accuracy, a hybrid prediction method is adopted in this embodiment. The linear component part and the high-frequency nonlinear part are decomposed and reconstructed respectively to obtain the reconstructed low-frequency optical power data {x t} and high frequency optical power data {z t};Specifically:

[0032] (1) The wavelet transform Mallat algorithm is used to decompose the signal, and the decomposed data signal whose length is half the length of the original optical power data signal is obtained. The decompo...

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Abstract

The invention discloses a predication method for electric power optical fiber communication optical power, relates to the technical field of optical fiber communication predication, and solves the problems that analysis and predication of a circuit state tendency cannot be achieved in the prior art and accordingly impending faults and the like cannot be avoided. According to the method, an improved particle swarm optimization algorithm is provided to optimize parameters in a predication model, so as to achieve a mixed predication based electric power optical fiber communication optical power predication method, accurately predicate a future state tendency of a circuit, predicate future possible faults of the circuit, make a maintenance strategy in advance, avoid fault generation and satisfy an optical fiber communication requirement for intermittent transmission. According to the predication method for the electric power optical fiber communication optical power, the parameters of the SVM model are optimized through the improved particle swarm optimization algorithm, the model not only has a quick operation convergence rate, but also has good predication accuracy and stability, a mixed predication model is adopted, respective advantages of every single predication model are effectively composited, mutual disadvantages are remedied, and improvement of the performance of the integral predication model is facilitated.

Description

technical field [0001] The invention relates to the technical field of optical fiber communication state prediction, in particular to a method for optical power prediction of power optical fiber communication. Background technique [0002] In order to meet the needs of efficient, fast and reliable transmission of information in the power system, optical fiber communication networks have been widely used as backbone networks. Therefore, once the optical fiber line fails, the resulting communication interruption will bring huge economic losses to enterprises and users. Due to the unavoidable failure of optical fiber lines, it is of great significance to predict possible optical fiber failures according to the existing optical fiber line status, and to do maintenance and management work in advance, so as to avoid the occurrence of failures and ensure normal communication. [0003] Optical power data can comprehensively characterize the working state of optical fiber lines, and...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F19/00
Inventor 隋吉生赵亮王圣达丛犁陈晓娟李思洋王晓辉
Owner 国网吉林省电力有限公司信息通信公司
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