sparse matrix

Synthesis and applied research of rare-earth thioglycolate;

巯基乙酸稀土的合成及其应用研究

An efficient image compression algorithm based on sparse matrix;

一种基于稀疏矩阵的高效图像压缩算法

Implementation of the Sparse Matrix Multiplication based on C++;

基于C++的稀疏矩阵乘法运算器的实现

Improved algorithm of sparse matrix multiplying

稀疏矩阵相乘的一个改进算法

Clutter characteristics of linear sparse array radar;

线性稀疏阵雷达的杂波特性

Ground moving target indicator(GMTI) using space-based sparse array is attractive.

针对天基稀疏孔径的两种常用类型———稀疏子阵列和非全向性阵元稀疏阵,基于空时等效理论,从等效的虚拟空间阵列角度分析了阵列的杂波自由度,得到了预测杂波自由度的简单方法,仿真结果验证了方法的有效性。

This paper analyzes the effects of amplitued-phyase errors and element failure on antenna gain, beamwidth, beam direction, and sidelobe level in sparse array.

围绕天线阵增益、波束宽度、指向和副瓣电平等指标，分析了幅相误差、阵元失效对稀疏阵列天线性能的影响。

To achieve this goal, one way is to increase the element number of the array, but it will bring higher cost and more complexity with respect to the system; another way is to use sparse antenna array, whose element spacing is relatively larger thanλ/ 2, it has larger aperture without increasing the number of element, the sparse array can meet the design goal o.

稀布阵列天线在获得了窄波束和高空间分辨率等好处的同时,也带来了一些缺点。

A modified genetic algorithm is presented to optimize the element spacing of the nonuniform sparse array in this paper.

提出了一种对非均匀稀布阵列阵元间距进行优化的改进的遗传算法。

A synthesis technique for linear sparse arrays with optimization constraint of minimum element spacing;

一种有阵元间距约束的稀布阵天线综合方法

The trends of the key technology by the follow ways,increasing bandwidth,the improvement of the power added efficiency of transmit/receive modules,the technology of phase shifter,digital circuit and the sparse arrays are discussed.

相控阵天线必然朝着降低成本和提高性能的趋势发展,因此从以下几个方面分析其关键技术的发展方向:增加带宽,提高T/R组件的附加功率效率,移相器技术,数字化电路,以及引入稀布阵技术等。

Compared with the synthesis method of thinned arrays,this new approach can exploit more degree of freedom of elements to control the characters of the sparse arrays.

基于一种改进的实数遗传算法,以降低平面稀布阵旁瓣电平为优化目标,提出了一种综合有阵元数约束、孔径约束和最小阵元间距约束的稀布面阵的新方法。

Simulation and Application of Three-Phase Sparse Matrix Converter;

三相稀疏矩阵变换器仿真及应用研究

Realization of an Iterative Criterion for-matrices Based on the Storage Structure of Sparse Matrices

基于稀疏矩阵存储结构的H-矩阵迭代判定算法的实现

This paper introduces the basic idea and algorithm of sparse Matrix multiplication by using incompact storage method.

介绍了对稀疏矩阵进行压缩存储时，稀疏矩阵相乘运算的基本思想和算法。

Storage and processing of document images based on sparse matrices are discussed.

讨论基于稀疏矩阵的文档图像存储及处理方法.

When a large proportion of the elements of A is zero, A is then called sparse.

当A的大多数元素都是零时，称A为稀疏矩阵。

An Algorithm for Reducing the Bandwidth and Profile of an Unsymmetric Sparse Matrix

一个缩减非对称稀疏矩阵的带宽和外形的算法

Load balancing and communication optimization for parallel sparse matrix-vector multiplication

并行稀疏矩阵与向量乘的负载平衡和通信优化

A Load-Balancing Algorithm for Sparse Matrix-Vector Multiplication on Parallel Computers

并行计算稀疏矩阵乘以向量的负载平衡算法

Parallel Algorithms for Computing Permanents and Permanental Polynomials of Sparse Matrices;

稀疏矩阵积和式与积和多项式的并行算法

Application of Sparse Matrix in Random Vibration Experiment Data;

稀疏矩阵在随机振动实验数据处理中的应用

A New Algorithm to Find Paths Based on Sparse Matrix

一种基于稀疏矩阵的求路径集的新算法

Fast Algorithm of Multibody Dynamic Simulation Based on Sparse Matrix Technique

基于稀疏矩阵技术的多体动力学仿真快速算法

An Improvement to Sparse Matrix Triple Scale Compression Storage

稀疏矩阵三元组表压缩存储方法的改进

Design and implementation of a data distributor for multidimensional parallel sparse matrix on distributed-memory computing environments.

分散式记忆体环境下多维度平行稀疏矩阵资料分配器之研发。

Application of SMCG Method and Preconditioning Technology for Microwave Integrated Circuits;

运用稀疏矩阵规则网格方法和预条件技术分析微带集成电路

Multi-Document Summarization Based on Nonnegative Matrix Factorization

基于稀疏非负矩阵分解的自动多文摘方法

Collaborative filtering algorithm via compressing the sparse user-rating-data matrix

一种压缩稀疏用户评分矩阵的协同过滤算法

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