The proposed identification method can precisely identify the four flow patterns of the air water two phase flow in a horizontal pipe , providing an effective new method for the flow pattern identification 对水平管内空气水两相流4种流型的识别结果表明该方法能够有效地识别流型。
At present , how to identify the flow patterns rapidly by using modern information processing means has become one of hotspot in the research fields of two - phase flow 目前，关于如何利用现代化的信息获取与处理手段、更加快速准确地进行流型的在线识别，已成为流型识别技术中的研究热点之一。
On the basis of the new hybrid image reconstruction algorithm and fuzzy pattern recognition technique , a new method for flow pattern identification of gas - oil two - phase flow was proposed 将组合型量化图像重建算法应用到气液两相流的流型辨识中，并组合模糊模式识别技术进行气液两相流流型的辨识。
The exponent was applied in research of the identification and the diagnosis . 2 . pressure fluctuation signals of fixed bed , bubbling bed and turbulent bed were analyzed with r / s method 提出了将分形技术应用于气固流化床流型的分析和辨识的新方法，并构造了相应的特征量即压力波动信号的hurst指数值。
The advantages of this method were that the measurement results were n ' t affected by flow regime and the speed was faster than the conventional voidage measurement method by reconstructed ect image 按三种流型建立模板库，通过先进行流型的分类，再进行模板匹配的方法，减少了三分之二的运算量，大大加快了计算速度。
4 . it analyses simulation data in search of parameters which can delegate pattern information , extracts ten parameters in order to distinguish pattern effectively , simply , fast and exactly . 5 对不同流型的仿真数据进行统计分析，寻找能代表流型特征的各种参数，提取出10种特征参数为高效，简单、快捷、准确的流型辨识打下基础。
The decomposed singular value may serve as the flow pattern characteristic vector and the input to a radial basis function neural network ( rbfnn ) to realize an intelligent identification of the flow pattern 然后对初始特征向量矩阵进行奇异值分解得到矩阵的奇异值，将其作为流型的特征向量，再结合rbf神经网络形成流型的智能识别方法。
The occurrence of the summer persistent circulation pattern relates to the circulation of other area of northern hemisphere mid - high latitude , and there are obvious relevant relations too in other areas of the south and northern hemisphere 夏季欧亚中高纬持续流型的发生不仅与北半球中高纬其它区域的环流存在相关，而且在南、北半球的其它地区也存在明显的相关关系。
According to different flow patterns , a new transferring rule for oil - water two phases system flowing model in pipes is built in including the stability rule for stratified flow patterns and transferring border and anti - phase border for deconcentrating patterns and mixture patterns 根据管内油、水两相流流型特征，建立了新的油、水两相管流流型的转换准则。它包括：分层流型的稳定性准则、分散流型和混合流型的转换边界及反相界线。
The voidage measurement of two - phase flow is very important for safety , environment protection , energy conservation and quality assurance in industry . meanwhile , heat transfer , mass transfer and the measurement accuracy of other two - phase flow parameters depend on the flow pattern 两相流的不同流型不但影响两相流的流动特性和传热传质等性能，而且影响两相流系统其它参数的准确测量，两相流流型的准确辨识对两相流系统有重要的意义。
