sparseness
英
美
网络 稀少; 稀疏; 稀疏性; 稀疏度; 稀疏化
COCA.37869
英英释义
noun
双语例句
- Then, it is expatiated that owing to their sparseness, new kinds of matrices greatly simplify the projection operation during image reconstruct.
同时，进一步说明由于这两种矩阵构成元素的稀疏性可以简化图像重建过程中的投影计算，从而提高重建速度。 - The experiments on several pattern classification problems show that HS-LSSVM has high sparseness while holds good classification performance and its sparse process is fast.
对多个分类问题的测试表明，HS-LSSVM具有稀疏率高，分类性能强，且稀疏化速度较快等优点。 - Experimental results show that Matrix filling method can effectively relieve the data sparseness problem in recommendation system.
实验结果表明：该方法可以有效缓解推荐中数据稀疏性问题。 - An improved active array errors calibration algorithm using the sparseness of mutual coupling matrix
一种利用互耦矩阵稀疏性的阵列误差有源校正改进算法 - This paper proposes a new method based on mixing matrix estimation for underdetermined blind speech separation, aiming at speech signals under weak sparseness.
针对语音信号的弱稀疏性，提出一种新的基于混合矩阵估计的欠定语音盲分离方法。 - The array antenna with low side lobe is designed by employing the Taylor synthesis and density taper sparseness with an overall consideration of the radiation and scattering performance. The side lobe of the array antenna is optimized by random search.
在综合考虑辐射和散射特性的基础上利用泰勒综合和密度锥削稀疏技术设计了低副瓣电平阵列天线，并采用随机遍历算法对阵列天线副瓣进行了优化。 - Wavelet-based Non-negative Matrix Factorization with Sparseness Constraints for Face Recognition
基于小波和非负稀疏矩阵分解的人脸识别方法 - Sparseness Analysis of Radar Echoes and its Application in Ship and Chaff Discrimination
雷达回波稀疏性分析及其在舰船与箔条云鉴别中的应用 - A genetic algorithm with adaptive evaluation function is presented to deal with data sparseness problem in automatic semantic tagging.
针对数据稀疏问题，采用适应度函数较灵活的遗传算法做语义的自动标注； - In this paper, an improved algorithm of image feature extracting for independent component analysis was proposed based on basic functions'maximization of sparseness.
利用基函数稀疏性的极大值特点，本文提出一种改进的基于独立分量分析的图像特征提取算法。