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• W3138143013 abstract "The change of water quality can reflect the important indicators of ecological environment measurement. Sewage discharge is an important factor causing environmental pollution. Establishing an effective water ecological prediction model can detect changes in the ecological environment system quickly and effectively. In order to detect high error rate and poor convergence of the water ecological chemical oxygen demand (COD) prediction model, combining the limit learning machine (ELM) model and whale optimization algorithm, CAWOA is improved by the sin chaos search strategy, while the ELM optimizes the parameters of the algorithm to improve convergence speed, thus improving the generalization performance of the ELM. In the CAWOA, the global optimization results of the WOA are promoted by introducing a sin chaotic search strategy and adaptive inertia weights. On this basis, the COD prediction model of CAWOA-ELM is established and compared with similar algorithms by using the optimized ELM to predict the water ecological COD in a region. Finally, from the experimental results of the CAWOA-ELM algorithm, it has excellent prediction effect and practical application value." @default.
• W3138143013 created "2021-03-29" @default.
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• W3138143013 date "2021-03-18" @default.
• W3138143013 modified "2023-10-12" @default.
• W3138143013 title "COD Optimization Prediction Model Based on CAWOA-ELM in Water Ecological Environment" @default.
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• W3138143013 doi "https://doi.org/10.1155/2021/6611777" @default.
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