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sparsity

美英

n.稀疏
网络稀疏性；稀疏度；稀疏问题

sparsity

英-汉网络释义

sparsity

稀疏性

稀疏性（sparsity）：表达的概念是连续时间信号的信息采集率可能要比按带宽选择的采集率小得多，或者说离散时间信号依赖 …

稀疏度

求计算机专业英语词汇_百度知道 ... source partition 源分区 sparsity 稀疏度 SQL collation SQL 排序规则 ...

稀疏问题

稀疏问题(Sparsity)是协作过滤推荐技术中的重要问题之一，每个用户一般都只对很少的项目作出评价，整个数据阵变得非常稀 …

稀疏性问题

稀疏性问题（Sparsity）：系统历史数据过少，难以进行精确的模式查找匹配推荐；系统延伸性问题（Scalability）：新加User …

稀少

石油英语词汇(S5)--石油百科 ... sparse 分散的；稀疏的 sparsity 稀少；稀疏 spartaite 含锰灰岩 ...

稀少性

内容推荐的优点在於准确度比协同式推荐高且解决稀少性（Sparsity）与扩充性（Scalability）的问题，因为它使用的是Item-Ba…

稀疏特性

革命性的取样技术。简言之，当所要观测的讯号具有稀疏特性(Sparsity) ，则要重建

例句：

Its sparsity and spissitude is in good order , just like the arrangement by the genius .

这种稀疏和密集的分布错落有序，就如同聪明人设计出来的一样。

This determination is carried out on-line for the coming new samples . This makes the solutions of LS-SVM having the feature of sparsity .

随着新样本的到来，在线判别支持向量，使 LS-SVM 的支持向量具有稀疏性。

Thirdly, the application of these sparsity properties to SAR image feature-enhancement was investigated .

然后，分析了稀疏约束在 SAR 图像分辨率增强中的应用方法。

The result of this study indicate that the approach can resolve Data Sparsity problem and New-Item problem to some extent .

研究结果表明该方法在一定程度上克服了稀疏性问题和冷开始问题。

However , these works, similarly to the majority of the published works exploit the temporal sparsity of the received signals .

不过这些研究和大多数已发表的论文一样，研究的是被接收信号的时间稀疏度。

Iterative correction algorithm to preserve sparsity of the stiffness matrix was proposed .

提出了一种迭代修正算法，可保持反演结果的稀疏性；

A novel OFDM channel estimation algorithm is proposed by exploiting the sparsity of channel impulse response .

针对 OFDM 系统，利用信道冲激响应的稀疏特性，提出了一种新的 OFDM 稀疏信道估计算法。

A major challenge of this scheme is how to determinate the required number of measurements while the signal sparsity is not known apriori.

该方案的一个主要问题是在不知道信号稀疏度的前提下如何确定所需要的随机观测次数。

Conceptually , sparsity corresponds to systems which are loosely coupled .

从概念上讲，稀疏对应的系统，松耦合。

The improved methods can effectively alleviate the problem of sparsity and improve the quality of recommendation system .

本文提出的算法能够有效缓解数据稀疏性问题，提高推荐系统的推荐质量。

The experiments show that our method is feasible, effective, sparsity -proof and skewness-proof .

实验结果证明了本文方法的可行性、高效性、抗稀疏性和抗偏斜性。

Sparsity is originated from the supplying resistance derived from the production cost .

稀少性根源于供给阻力；供给阻力根源于生产成本。

secondly, according to transform-domain coefficient sparsity , denoising was performed by threshold .

由变换域系数的稀疏性，利用阈值进行首次去噪。

At the same time, the settlement of degenerated problem and the application of sparsity technique are discussed in details.

文中还对退化问题的处理以及稀疏技巧的应用进行了深入的讨论。

Based on the LMS algorithm and its LMS-based forms , we propose some new algorithms using the prior information of sparsity .

本文在 LMS 算法及其基本变型的基础上，利用回波路径稀疏的信息，提出了相应的改进算法。

The problem of industrial alloration in Beijing is the over crowding of downtown and the undue sparsity of outer-suburb.

北京市工业布局的问题是城区过于密集，远郊区很疏。

But the products we produced have some deadly defects : cheap, sparsity of variety, low additional value. . .

但是我们的产品却有着一些致命的缺点：档次低，品种少，附加值低 …

Using the sparsity in adaptive algorithms is feasible .

在自适应算法中利用稀疏性是可行的。

Nassau William Senior believed that value lies on the utility which is a subjective assessment that is subject to the sparsity of substance.

价值取决于效用。效用为人们的主观评价，其受稀少性制约；

To address this issue , an algorithm for UBSS based on determinant and sparsity constraint of NMF, named DSNMF, was proposed in this paper.

针对此问题，提出基于带行列式和稀疏性约束的 NMF 的欠定盲分离算法 ——DSNMF 。

Scandium is a kind of sparsity and spread around element . In the nature , it mostly exists in other minerals in the form of intermingle.

钪是一种稀散型元素，在自然界大多以掺杂的形式存在于其它矿物中。

Sparsity Reduction in Collaborative Recommendation : Using Case-based Reasoning

基于案例推理：一种用来改善稀疏性问题的方法

Traditional collaborative filtering methods , unavoidably, are puzzled by the problem of "data-sparsity " ;

传统的协同过滤方法在面对 “数据稀疏 ”时，推荐质量会急剧下降。

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