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估计     
相关语句
  estimation
    Parameter Estimation and Shape Reconstruction Based on Multiple Views
    基于多视图的参数估计与形状重构
短句来源
    The Research on Camera Calibration as Well as the Method of Pose and Motion Estimation in Computer Vision
    计算机视觉中摄像机定标及位姿和运动估计方法的研究
短句来源
    Haplotyping and Haplotype Frequency Estimation
    单体分型和单体型频率估计
短句来源
    SPEAKER-INDEPENDENT CHINESE VOWEL RECOGNITION BASED UPON FORMANT TRAJECTORY ESTIMATION
    基于估计共振峰走向的汉语韵母识别方案
短句来源
    Robust Estimation and Its Fast Algorithm for Extracting Relative Grey Level Feature of Digital Images
    提取数字图像相对灰度特征的Robust估计及其快速算法
短句来源
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  estimate
    ANALYSIS AND COMPARISON OF PARAMETER ESTIMATE METHODS IN TWO-PARAMETER WEIBULL DISTRIBUTION
    二参数Weibull分布几种主要参数估计方法的分析比较
短句来源
    Analysis of Breakdown Point of Least Absolute Deviation (LAD) Estimate
    LAD估计崩溃点的分析
短句来源
    The Marginal Maximum Likelihood Estimate of Variance
    方差的边缘极大似然估计
短句来源
    In SAR imagery segmentation,in order to obtain unsupervised segmentation,an efficient mixture multiscale autoregressive prediction(MMARP)model is applied to estimate the parameters of null hypothesis and alternative hypothesis in the GMLR.
    在SAR(synthetic aperture radar)图像分割应用背景中,利用混合多尺度自回归预报(mixture multiscale autoregressive prediction简称MMARP)模型估计预报图像的GMLR的原假设和备择假设参数,然后将判别准则应用到预报图像,从而对原SAR图像进行分割。
短句来源
    As for the common LSB steganography,SPA(Sample Pair Analysis) method can estimate the embedding rate in image with high precision.
    针对常用的LSB信息隐藏,SPA(Sample Pair Analysis)分析方法能以很高的精度估计出图像中隐藏信息的比率.
短句来源
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  estimates
    User custom blocks of differential space-time block codes(DSTBC)were designed in SPW on the basis of introducing the principle of DSTBC,and the performance of DSTBC on flat Rayleigh fading channel was simulated in SPW and compared with STBC with perfect channel estimates under same channel conditions.
    在介绍了差分空时分组码编译码原理的基础上,将差分空时分组码封装为SPW中的自定义模块,然后在SPW中对差分空时分组码在瑞利平坦衰落信道下的性能进行了仿真,并与相同信道条件下具有理想信道估计的空时分组码的性能进行了比较。
短句来源
    Tests show that the method accurately estimates facial ages with a mean estimation error of 1.1 years.
    实验结果表明,这种方法对年龄估计十分有效,平均200人的多年龄人脸数据库上的估计误差为1.1 a。
短句来源
    Simulation Estimates of Performance Sensitivity and Their Applications in Queuing Systems With Erlang Distributions
    Erlang分布排队系统的性能灵敏度仿真估计及其应用
短句来源
    The Experiments and Analysises for the Estimates of Blur Extent Parameter and the Restoration of the Blurred Image
    图像模糊度参数估计与图像复原的实验及分析
短句来源
    It has three the-orems about the estimates of convergence factors for three kinds of v─cyclesrespectively, i.e.. one is smoothing is performed after the coarse grid correctionsteps.
    它包括关于先光滑后粗网格校正,先粗网格校正后光滑以及光滑-粗网格校正-光滑这三种V循环类型收敛因子估计的三个定理.
短句来源
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  estimating
    RANDON MUTATION TESTING AND QUANTITATIVE ESTIMATING OF RELIABILITY
    随机变异测试与可靠性的定量估计
短句来源
    TO INTRODUCE TWO METHOD OF ESTIMATING FOR MOVING TARGETS IN DYNAMIC IMAGE
    介绍动态图象中目标运动估计的两种方法
短句来源
    EPA~* ALGORITHM ——A HEURISTIC SEARCH ALGORITHM BASED ON CAUSE ESTIMATING AND HEREDITY PROPAGATING
    基于原因估计和继承传播计算启发函数值的搜索算法——EPA算法
短句来源
    A pproximate Expressions for PWM Method in Estimating the P-Ⅲ Distributed Parameters
    概率权重矩法估计P-Ⅲ型分布参数用表的近似表达式
短句来源
    A Robust-Control-Oriented l1 Central Estimating Algorithm and Error Bounds
    面向鲁棒控制的l_1中心估计算法及其误差界
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  estimation
The results are interpreted in the context of spectral estimation of ARMA processes.
      
An Estimation of the Truncation Error for the Two-Channel Sampling Formulas
      
The aim of the article is to obtain an estimation for the truncation error in the
      
Minimum-Variance Multitaper Spectral Estimation on the Sphere
      
Such an estimate is both more representative of the target region and reduces the estimation variance when compared to estimates formed by any single bandlimited window.
      
更多          
  estimate
We develop a general theory, then compute or estimate the essential dimension for a number of specific groups, including all of the above-mentioned examples.
      
This estimate for multiplicities is uniform, i.e., it depends not on G/H, but only on its complexity.
      
In the case of an orthonormal basis, our estimate reduces to Kadec' optimal 1/4 result.
      
In Section 4 we obtain a good λ estimate for the one-sided function, and in Sections 5 and 6 we apply the results already obtained to fractional integrals and multiplier operators.
      
We estimate ∥f∥p from above by C∥f∥p,n and give an explicit value for C depending only on p, τ, and characteristic parameters of the sequence {tn}n∈?.
      
更多          
  estimates
Trace Inequalities, Maximal Inequalities, and Weighted Fourier Transform Estimates
      
Singular Value Estimates for Certain Convolution-Product Operators
      
We present two-sided singular value estimates for a class of convolution-product operators related to time-frequency localization.
      
Singular Value Estimates for Certain Convolution-Product Operators
      
Estimates from below for the norms of linear means of multiple Fourier series are obtained.
      
更多          
  estimating
Application to estimating the initial heat distribution is analyzed.
      
Estimating of order-restricted location parameters of two-exponential distributions under multiple type-II censoring
      
A diagnostic based on case-deletion approach in estimating equations is proposed.
      
This paper presents an approach for estimating power of the score test, based on an asymptotic approximation to the power of the score test under contiguous alternatives.
      
Thus, the discrete wavelet coefficients can be discussed in the process of estimating multi-scale Kalman coefficients.
      
更多          
  其他


In this paper an automatic information retrieval and organiztion system is des-cribed.A reader has only to send in 1 to 6 keywords to define the scope ofliteratures he wants to study,and the machine will search among its collections(i.e.the data base) to pick out the literatures required The stystem is realized ona micro computer (CROMEMCO System 2) with 64k bytes RAM and two 5″ diskdrives.The programming language used is the 16k extended BASIC of CROMEMCObecause BASIC is the most popular high level language...

In this paper an automatic information retrieval and organiztion system is des-cribed.A reader has only to send in 1 to 6 keywords to define the scope ofliteratures he wants to study,and the machine will search among its collections(i.e.the data base) to pick out the literatures required The stystem is realized ona micro computer (CROMEMCO System 2) with 64k bytes RAM and two 5″ diskdrives.The programming language used is the 16k extended BASIC of CROMEMCObecause BASIC is the most popular high level language on the mini and micro com-puters in this country.The system is characterized by its three special features.1.The fuzzy subset is employed as the mathematical model to classify theliteratures in the data base.This method is especially effective in treating thoseliteratures that are related to several different specialities.2.The scatter storage structures are used to organize the keyword list so that thetime required to search for a keyword will not increase in proportion to the contentsof the data base.3.The whole system should be compatible with the limited memory size of themicro computer.Discussion Under the present condition of our machine the data base may containup to 5000 documents.The system is tested with a model data base of 162 records.The time required to wait for the response of the retrieval system for different setsof inquiry keywords is recorded.The maximum period is 98 sec.,while the minimum is 23 seconds.Most of the waiting time is spent on disk I/O.It is expected thatif the system is extended with a hard disk drive,the waiting time will be diminished10 times and the data base may be greatly expanded.It is further suggested that thesystem may be modified by employing the fuzzy clustering technique to speed up theinformation retrieval process if the data base is expanded to a considerably large size.

本文介绍一个自动情报检索与组织系统。读者送入1至6个关键词来说明他所要研究文献的范围。机器在储存的文献即(数据库)中搜索并检出读者需要的文献。本系统实现在一台 Cromemco系统2微型计算机上,配备有64K 字节的内存和两只5英寸软盘驱动器。程序用 Cromemco的16K 扩展 BASIC 编写,因为考虑到 BASIC 是我国微型机与小型机上应用最为广泛的高级语言。本系统具有三个特点:1.应用模糊子集合作为文献分类的数学模型,这个方法对处理跨专业的文献分类特别有效,2.应用散列存储结构来组织关键词,这样在关键词的队列中搜索某一个关键词的时间就不致于随着数据库的容量而有显著的增长,3.整个系统应当能被容纳入微型计算机有限的存储空间之中。讨论:在目前机器条件下,数据库容量可以容纳5000篇文献。程序在162篇文献的模型文献库基础上进行调试,对于不同组合的提问关键词组,系统的响应时间有所变化,最长响应时间为98秒,最短为23秒.绝大部份等待的时间化在软盘与内存交换讯息的过程上面,估计如系统增加一套硬盘机,等待的时间可以缩短到十分之一,而且数据库也可扩大很多。再进一步考虑到数据库扩展到相当规模时,系统...

本文介绍一个自动情报检索与组织系统。读者送入1至6个关键词来说明他所要研究文献的范围。机器在储存的文献即(数据库)中搜索并检出读者需要的文献。本系统实现在一台 Cromemco系统2微型计算机上,配备有64K 字节的内存和两只5英寸软盘驱动器。程序用 Cromemco的16K 扩展 BASIC 编写,因为考虑到 BASIC 是我国微型机与小型机上应用最为广泛的高级语言。本系统具有三个特点:1.应用模糊子集合作为文献分类的数学模型,这个方法对处理跨专业的文献分类特别有效,2.应用散列存储结构来组织关键词,这样在关键词的队列中搜索某一个关键词的时间就不致于随着数据库的容量而有显著的增长,3.整个系统应当能被容纳入微型计算机有限的存储空间之中。讨论:在目前机器条件下,数据库容量可以容纳5000篇文献。程序在162篇文献的模型文献库基础上进行调试,对于不同组合的提问关键词组,系统的响应时间有所变化,最长响应时间为98秒,最短为23秒.绝大部份等待的时间化在软盘与内存交换讯息的过程上面,估计如系统增加一套硬盘机,等待的时间可以缩短到十分之一,而且数据库也可扩大很多。再进一步考虑到数据库扩展到相当规模时,系统还可以应用模糊聚类的技术改进功能,以压缩情报检索过程的等待时间。

This paper represents a new recursive algorithm for the digital image enhancement. Making use of the innovation sequence, different texture and structure of the Image were detected, and the Kalman estimation of the Image gray levels of the different texture and structure was corrected directly. The simulation experiments on the computer proved that this algorithm was effective.

本文提出一类新的数字影象增强的递推算法。该方法用新息序列对影象的不同纹理和结构进行检测,用Kalman估计对影象的灰度直接进行校正。电子计算机模拟试验结果表明本算法是有效的。

Henschen and Wos pointed in 1974 that from an R-unsatisfiable set of Horn clauses containing Rx,x and its functional reflexive axioms, there could exist strictly-positive-unit refutation D, and a strictly-input refutation D2 without factoring. The conjecture is proved to be right in this paper.

Henschen和 Wos在[2]中的定理 1和定理 2分别证明了不可满足的 Horn集有严 格-正的-单元反驳和严格-输入反驳,如果子句(clause)集合S是一个R-不可满足的 Horn集,该集合包含子句Rx,x和它的函数反身公理,当Ω由调换(paramodulation)、 归结(resolution)和因子(factoring) 三个推理规律组成时,Henschen 和 Wos在[2]中的 定理 3证明了:利用这三个推理规律从该子句集可以得到一个输入反驳(input retutation) D1和一个单元反驳(unit refufation)D2,而且他们认为如 Ω’由调换和归结两个规律 组成时,利用这二个规律从上述子句集合有可能得到一个严格-正的-单元反驳和一个 严格-输入反驳,本文证明了这一估计是对的。

 
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