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parameter reduction
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  参数压缩
     In view of the research situation of worldwide multiparameter hydrocarbon prediction,we put forward the multiparameter hydrocarbon prediction system that analyses geological, logging and seismic data comprehensively. The system works in three steps: multiparameter extraction, characteristic parameter reduction and hydrocarbon prediction.
     本文针对目前国内外多参数油气预测研究的现状,提出并建立了一套结合地质、测井资料以及地震资料进行多参数油气预测系统,该系统包括三个部分,即多参数提取、特征参数压缩和油气预测。
短句来源
     The characteristic parameter reduction is to reduce characteristic dimensions by making K-L transform after multipararneter extraction.
     特征参数压缩是在多参数提取的基础上,利用K-L变换进行特征空间维数的压缩。
短句来源
  “parameter reduction”译为未确定词的双语例句
     A Stochastic Multivariable Adaptive Pole Placement Controller with Parameter Reduction
     具有减少辨识参数的随机多变量极点配置自适应控制器
短句来源
     (3) The samples stabilized more because of the lattice parameter reduction and the crystalline bonding increase with the ratio Li/Mn increase (Li/Mn=0.50,0.52,0.54).
     (3) 随着Li/Mn加入比例(Li/Mn=0.50,0.52,0.54)的增加,材料的品格发生收缩,晶体内部的结合能增大,结构稳定性增强。
短句来源
     Vector sum excited linear predictive speech coding was studied and enhanced. Presented were the algorithm design and implementation of the VSELP coding at 8kbit/s,and those enhanced at 6.4kbit/s,4.8kbit/s and 2.4kbit/s via vector quantization of LPC parameter,reduction of excitation codebooks and sub block splitting etc.
     研究并改进了矢量和激励线性预测(vectorsumexcitedlinearprediction,VSELP)语音编码器.介绍了8kbit/sVSELP编码方案的实现及在此基础上利用矢量量化LPC参数、减少激励码本数和子块分裂等方法;
短句来源
     Investigated the Shieh’s and Chang’s digital signature schemes with message recovery based on the discrete logarithm problem. Firstly,gave an attack called parameter reduction on the two schemes,and then revealed a common fatal flaw of them.
     研究了基于离散对数问题带消息恢复功能的数字签名Shieh方案和Chang方案,首先,给出对这2种方案称为参数约化攻击的攻击方法,揭示出这2种方案的缺陷,其次提出一种新的三参数数字签名方案。
短句来源
  相似匹配句对
     Attribute Reduction of VPRS and Determination of Its Parameter β Range
     变精度粗糙集的约简及其参数β范围的确定
短句来源
     Reduction of RC Interconnect Networks Based on Scattering Parameter
     基于S参数的RC内连网络约简
短句来源
     ON THE REDUCTION OF THE MULTIVARIABLE
     关于多变量开关函数化简的问题
短句来源
     Organization Reduction
     组织减肥运动
短句来源
     n—Parameter CAPM
     n个参数的资本性资产定价模型
短句来源
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  parameter reduction
The concepts of parameter reduction by normalization, dimension reduction, pattern rejection, and heuristic search are all employed to achieve the required efficiency.
      
Co-implantation of boron with nitrogen and with nitrogen and carbon prevents the excessive diffusivity of B and leads to a lattice-parameter reduction of 0.7-1.0%.
      
We may consider its 2-parameter reduction obtained by imposing that the matrix is symmetric.
      
Underdamped responses with parameter reduction in c International Journal of Information Technology Vol.
      
This can erode the value of the purchased pollutant parameter reduction to water quality as it travels downstream.
      
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This presents a new parameter reduction scheme adopting constant linear compensator by restricted use of outputs and stochastic noise inputs for stochastic multivariable adaptive control systems.A stochastic multivariable adaptive pole placement controller with parameter reduction is proposed based on the scheme Although we use the parameter reduction model with n outputs and 1 input to design the adaptive control syatems, Astochastic multivariable adaptive pole placement controller,this controller...

This presents a new parameter reduction scheme adopting constant linear compensator by restricted use of outputs and stochastic noise inputs for stochastic multivariable adaptive control systems.A stochastic multivariable adaptive pole placement controller with parameter reduction is proposed based on the scheme Although we use the parameter reduction model with n outputs and 1 input to design the adaptive control syatems, Astochastic multivariable adaptive pole placement controller,this controller can assure that n outputs of the systemtrack n reference inputs.The resutls of simulations show that the algorithm proposed is effective .

本文提出了一种新的限制输出个数减少随机多变量自适应控制中辨识参数的方法,并给出了减少辨识参数的极点配置自适应算法.虽然采用n个输入1个输出的减少辨识参数的模型来设计控制器,但所提出的控制器能够保证被控系统的几个输出跟踪参考输入信号.仿真结果表明,所提出的方法是成功的.

Because of the nonuniform plastic deformation,residual stresses occur in spun parts. The magnitude and distribution of residual stresses have an important influence on used property of spun parts.In this paper,residual stresses of spun parts have been estimated by elasto- plastic FEM. The influence of the process parameters( reduction in thickness,feed,roller angle,blank thickness, material properties,etc.) on the residual stress distribution has been obtained.The calculated results are compared...

Because of the nonuniform plastic deformation,residual stresses occur in spun parts. The magnitude and distribution of residual stresses have an important influence on used property of spun parts.In this paper,residual stresses of spun parts have been estimated by elasto- plastic FEM. The influence of the process parameters( reduction in thickness,feed,roller angle,blank thickness, material properties,etc.) on the residual stress distribution has been obtained.The calculated results are compared favourably with experimental results.

筒形件强旋时 ,由于不均匀的塑性变形 ,在旋压件内产生残余应力。残余应力的大小及其分布规律对旋压件的使用性能有重要的影响。本文用弹塑性有限元法对旋压件内的残余应力进行了预测 ,求得了减薄率、进给比、旋轮工作角、毛坯壁厚、材料性能等因素对残余应力分布的影响。并将有限元计算结果与实测结果进行了比较。

In view of the research situation of worldwide multiparameter hydrocarbon prediction,we put forward the multiparameter hydrocarbon prediction system that analyses geological, logging and seismic data comprehensively. The system works in three steps: multiparameter extraction, characteristic parameter reduction and hydrocarbon prediction. In multiparameter extraction, the usual parameters are still used,the taking of correlation dimension parameter is improved,and abrupt variation theory and...

In view of the research situation of worldwide multiparameter hydrocarbon prediction,we put forward the multiparameter hydrocarbon prediction system that analyses geological, logging and seismic data comprehensively. The system works in three steps: multiparameter extraction, characteristic parameter reduction and hydrocarbon prediction. In multiparameter extraction, the usual parameters are still used,the taking of correlation dimension parameter is improved,and abrupt variation theory and wavelet analysis are applied to characteristic parameter extraction for the first time. The characteristic parameter reduction is to reduce characteristic dimensions by making K-L transform after multipararneter extraction. In hydrocarbon prediction,BP network is combined with SOM network to form the multiparameter hydrocarbon prediction system. BP network is applicable to some multi-borehole areas,and SOM network to sparse-borehole areas. With the combination of the two networks,the multiparameter hydrocarbon prediction system can be used desirably in various areas where exploration degrees are different.

本文针对目前国内外多参数油气预测研究的现状,提出并建立了一套结合地质、测井资料以及地震资料进行多参数油气预测系统,该系统包括三个部分,即多参数提取、特征参数压缩和油气预测。在多参数提取中,除吸收和利用了目前比较实用的常规的参数外,还对关联维参数的求取作了改进;首次利用突变论和小波分析进行特征参数提取。特征参数压缩是在多参数提取的基础上,利用K-L变换进行特征空间维数的压缩。油气预测是将BP网络和SOM网络联合起来,组成一个预测系统进行多参数油气预测。BP网络主要适用于多井地区,而SOM网络主要应用于少井地区的多参数油气预测,从而使这套油气预测系统能在不同勘探程度的地区应用。

 
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