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- Any alloy whose principal component is copper. 主要成分是铜的合金。
- This paper introduces basic principle about anal ysis system of surface image of 3-D braiding composite preform. 介绍了三维编织复合材料预制件表面图像检测与纹理分析的基本原理。
- Slang had been a principal component of his rattling. 他唠叨的主要是一些假语村言。
- A kind of anal ysis method used f or computing the singly reentrant cylindrical cavity of relativistic klystron is developed in this paper. 推广了一种相对论速调管单重入式无栅间隙圆柱谐振腔的解析分析与计算方法。
- Thermodynamical anal ysis on Al eutectic reaction brazing [J].The Chinese Journal of Nonferrous Me tals, 2001, 11(6): 1017-1020. Al共晶接触反应钎焊热力学分析 [J].;中国有色金属学报;2001;11(6): 1017-1020
- The play gave by spectrum anal ysis techine in status monitor of rotative machine, and the economic effect obtained by it are discussed. 论述了频谱分析技术在旋转机械状态监测中所发挥的作用和所取得的经济效益。
- RPS is the principal component of rchmannia glutnosa. 地黄多糖是地黄的主要组分。
- The principle, apparatus and application of the nuclear anal ysis techniques are introduced briefly and the potential use in geoscience field indicated. 本文简要介绍各种方法的原理、特点、实验装置及其应用,特别指出了在地学研究领域中的应用前景。
- Through the effectiveness anal ysis of typical experimental data,the au thors find a new method to use the modif ied BP ANN to accurately recognize the e ffective AE signals from experimental da ta. 最终确定用改进的多层前向误差反传网络 (BP)对声发射信号进行定量化有效性识别的新方法 ,该方法能够很好地区分出声发射实验数据中的有效信号。
- The new neural network prediction model of water level is established based on the principal component analysis (PCA). 采用人工神经网络与主分量分析相结合的方法，建立了梧州水位的预报模型。
- KPCA extracting principal component with nonlinear method is an improved conventional PCA. 摘要核主成分分析方法是主成分分析的改进算法，其采用非线性方法提取主成分。
- In time domain, feature parameters of the step response are compressed using principal component analysis (PCA). 从时域角度,利用主元分析压缩电路阶跃响应的特征参数,从而简化了神经网络结构并提高了网络训练速度,提高了诊断效率。
- Statistical Process Control (SPC),Principal Compon ent Analysis (PCA) and Singular Value Decomposition (SVD) are introduced to det ermine APC opportunity and then APC structure. 这一研究对于开发和应用好先进控制技术具有重要的意义。
- Subject the matrix to principal components analysis. 主成分分析法。
- Principal Components: Aluminum Tripolyphosphate and modifiers. 主要成分：三聚磷酸铝及其改性物质。
- A novel method of car license plate extraction based on Probabilistic Principal Component Analysis (PPCA) is presented. 摘要提出了一种新颖的采用概率主成分分析的车牌提取方法。
- Based on ORL face database, recognizes correlation coefficients of principal component extracted by KPCA. 基于ORL人脸库，识别核主成分分析提取出的主成分的相关性系数。
- Result indicates that Fuzzy Principal Component Method can improve multicollinearity of Least Squares Estimate. 结果表明,这种方法改善了最小二乘回归中的多重共线性问题,具有实用价值。
- The mathematic principle of principal component analysis method (PCA) lies in coordinate conversion. 主分量分析法（PCA）的数学原理是坐标转换，它将原变量变换成互不相关的变量。
- An ocean is a major body of saline water, and a principal component of thehydrosphere. 一边是蓝色的海洋，一边是黄色的沙漠。保护环境，人人有责。
