水质评价

BP神经网络用于水质评价的参数确定

Parameters of BP Neural Network in Application of Water Quality Evaluation

基于遗传算法与BP算法的水质评价模型

Water Quality Evaluation Model Based on Genetic Algorithm and BP Algorithm

基于GIS技术的河流水质评价系统的设计与实现

The design and realization of river water quality evaluation system based on GIS

基于BP神经网络模型的水质评价方法探讨

Study of Water Quality Evaluation Way Based on BP Neural Network Model

基于Matlab三种模糊算子的地下水水质评价模型

Evaluation model of water quality of groundwater based on three Fuzzy operator of Matlab

基于MATLAB实现的ANN方法在地下水质评价中的应用

The Application of ANN Realized by MATLAB to Underground Water Quality Assessment

阐述了人工神经网络基本原理，介绍了BP网络的地下水水质评价模型。

A BP network model of groundwater quality assessment based on the calculation of BP neural network is presented .

干旱地区水质评价中W值分级法的应用

The Application of the Method of W-Value Graduation for Appreciation of Water Quality in the Arid Regions

文章最后探讨了GIS在区域地下水水质评价中的优势及存在的问题。

Finally , the paper discussed the advantages and the existing problems of GIS using in the regional groundwater quality assessment .

本文围绕这两大问题进行了探索，对改进BP神经网络在水质评价中的应用进行了深入研究。

To solve these problems , this paper researched into water quality assessment model based on improved BP neural network .

论文第三章介绍了水质评价BP网络-隶属度串联模型的原理、算法及其特征。

The algorithm and the pattern features of BPDM model that is composed by ANN in series with degree of membership .

一种改进SOM神经网络及其在水质评价中的应用研究

Research on the Modified SOM and Its Application in Water Quality Evaluation

应用VB编程，在传统水质评价的因子选择中引入计算机随机选择。

The computer random selection is leaded into the factor selection of water quality appraisal with VB program .

本文提出一种在windows环境下，在pc微机上运行的水质评价信息系统，并对该系统的设计进行了分析和讨论，其中水质评价采用了模糊综合评判方法。

This paper proposed an Evaluation Information System which runs under Windows Environment on PO microcomputers , with an analysis and discussion of its design procedure .

该系统利用组件式GIS技术搭建高效、稳定的平台，以适用于大多数地表水体水质评价和预测及基本的水文信息管理。

The system uses GIS technology component build efficient and stable platform to apply to the majority of surface water and basic water quality evaluation and the prediction of hydrological information management .

通过使用GIS技术，论述了吉林省西部平原地区地下水特征组分如氟、铁及氨态氮、硬度和矿化度等的分布规律，并做出了水质评价图。

Concentration distribution regularity of fluorine , iron , hardness , NH - 3-N and mineralization in the groundwater have been discussed and evaluated by GIS in the west plain region of Jilin province .

经研究表明：综合指数法、模糊综合指数法、灰色聚类法、BP神经网络法这四种水质评价方法都属于水质综合评价模型，对水环境质量评价的结论也是基本一致的。

Through the research , it can show : four kinds of appraisement methods all belong to the Comprehensive evaluation model , their conclusions of the water quantity evaluate also are basic consistent .

再次，以批处理SOM算法和MATLAB环境下的SOM工具箱为背景和工具，编制了近海水质评价软件；

Thirdly , based on the batch version of SOM algorism and SOM toolbox in MATLAB environment , the coastal water quality assessment software was compiled .

最后以博斯腾湖为例，利用RBF网络建立水质评价模型，模型评价结果趋势基本符合实际，效果较好。

Then the RBF method is used in a case study about water quality assessment of Bosten Lake , and the results are in good agreement with monitoring data .

阐述了在Excel平台上建立的BP网络模型水质评价系统的方法和要点，以及网络模型结构的设计、训练数据的处理、网络的训练和评价结果的仿真情况。

To establish BP network model water quality evaluation system based on Excel platform . The design of network model structure , treat of train data and simulation of evaluation result were discussed .

介绍了基于地理信息系统（GIS）的新型模糊综合水质评价模型（FCWQA）。

A geographic information system ( GIS ) based Fuzzy comprehensive water quality assessment ( FCWQA ) model has been introduced .

论文第3章介绍了神经网络与模糊系统以串联方式组成的水质评价BP网络-隶属度串联模型的原理、算法及模式特征。

Chapter 3 introduces the principles , the algorithm and the pattern features of BPDM model that is composed by ANN in series with degree of membership . BP network does not have to prescribe the weights of every evaluation parameters artificially .

以长江芜湖段水域为例，利用RBF网络建立水质评价模型，随机产生600个样本。

Took the water areas in the Wuhu section of the Changjiang River as the example , making use of RBF network to construct the water quality appraisal model ; and then randomly producing 600 samples .

小型RO-EDI纯化水装置的研制及其水质评价

Development of Packaged RO-EDI Purified Water Apparatus and Evaluation of Product Water

本文介绍了TOPSIS评价方法的基本原理和评价过程，并将其应用于浑河沈阳城区段的水质评价。

The paper introduces the fundamental principle and the appraisal process of TOPSIS appraisal method , applies it to the water quality appraisal of Hunhe river section in Shenyang city .

Powell-Beale重开始算法在水质评价中的应用

Application of Powell-Beale 's Restart Algorithm for Evaluation of Water Quality

本文在吸收各种水质评价方法优点的基础上，发展形成一种新的水质评价方法&模型质量指数法（FQI）。

On the basis of assimilating all the merits of various methods assessing water quality , this paper develops a new method & model quality index method ( FQI ) .

基于模糊物元的湖泊水质评价模型研究

Study on fuzzy matter-element based model for lake water quality evaluation

唐山沿海海水入侵地下水水质评价

Appraisal of groundwater quality due to coast seawater invasion in Tangshan

海水水质评价的物元分析法

Assessment on the Sea Water Quality Using a Matter Element Analysis