数据 data; record; information 科学数据 scientific data; 工程数据 engineering data; 估算数据 estimated data; 已知数据 given data; 原始数据basic [initial] data;谢谢你提供我这么多的数据。thank you for furnishing me with so many data.这些数据是从各方面搜集来的。these data have been collected from various sources.; 数据变换 data conversion; data reduction; 数据表 data sheet; 数据操作 data manipulation; 数据操作功能 data manipulation function; 数据操作寄存器 data manipulation register; 数据操作语言 data manipulation language; 数据存储系统 data-storage system; 数据分析 data analysis; 数据换算 revaluation of data; 数据识别 data identification; 数据输出 data output; data-out; 数据输入 data input; data-in; data entry; 数据纸 data sheet; 数据终端 data terminal
白噪声 discrete white noise; flat noise; white gaussian noise; white noise
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Abstract : in this paper ? for real marine underwater noise data by using synchronous acquisition of points ? inputs - output covariance matrix is obtained by filtering ? compensating delay and crosscorrelation . then the contribution of inputs to output in network sense and partial coherence as well as other useful quantities are calculated from the inputs - output covariance matrix 文摘:本文对多点同步测量方法记录的舰艇噪声数据,采取在时域上作滤波、时延补偿和互相关得到输入输出协方差矩阵,然后从输入输出协方差矩阵计算在网络意义和偏相干意义下输入对输出的贡献以及其它有用的量。
Then the thesis further analyses some core techniques including the system of database , data warehouse and data mining and so on , and presents the frame of function of bank crm . the thesis puts its emphasis on the research on the data preprocessing of data warehouse , data copying , data cleansing , data integration and quality verifying included . finally the thesis discusses the key technology of data warehouse in bank crm - the cleansing of data of customers , and presents some methods of cleansing aiming at noisy values , missing values , conflicting values and duplicated values 本文在充分分析银行crm的需求的基础上,提出了基于数据仓库的银行crm系统的体系结构,并进一步分析了该体系结构中客户数据库系统、数据仓库、数据挖掘等核心技术组件的内涵,给出了银行crm系统的功能构架;重点研究了银行业务系统多年积累的客户数据向数据仓库迁移的预处理方法和过程,其过程包括数据复制、数据清洗转换、数据集成、质量检验和数据装载;最后讨论了银行crm系统应用数据仓库的关键技术:客户数据清洗,给出了针对噪声数据、空缺数据、不一致数据和重复数据的清洗方法。
Furthermore , the metallizational film level ' s noises measurement system ( hardware and software ) was designed , the automatic data acquisition and analysis have been realized , noises measurement during accelerated life test , namely electromigration process , have been completed , and a lot of valuable data have been gained 通过加速寿命实验和对样品的噪声测量,获取了样品电迁移过程不同损伤程度的噪声数据。对实验数据和结果做了对比分析,找到了与电迁移相关的噪声表征参量的变化规律。
First , author studies oppressive jamming technology of sar based on its system gain , analyses its fundamental theory and jamming mechanism , programs an integral simulation software which produces noise data of several kinds , at the same time carries out many simulation experiments under different noise - to - signal ratio of each noise type , then makes in - depth analysis and comparison on those images resulting from simulation experiments and summarizes some conclusions of theoretical and practical value 作者首先在分析合成孔径雷达系统增益的基础上研究了压制性干扰技术,分析其基本原理及干扰机制,编制了一个完整的干扰仿真软件,产生多种类型的噪声数据,针对每种噪声类型又调整其噪信比进行了大量的仿真实验,然后对实验的结果图像进行了深入的分析、比较,总结出了具有一定理论和实用价值的结论。
At last , it is the part of dealing with the data is gained in experimentation . we have made the experimentations in songhua lake . in the paper , i analyze and deal with the primal data of eradiate noise to get the ratio of recognition and make a conclusion that the feature extraction arithmetic and classifier arithmetic are efficient 本文利用两次松花湖湖泊试验所采哈尔滨工程大学硕士学位论文集的船舶辐射噪声数据进行分析处理,为了验证模糊融合分类器的分类性能,依据具体情况做了两个分类试验,给出各自具体的识别率,并由此得出了相应的结论,即本文所选取的特征提取和分类器算法基本上是有效的。