稀巯阵,sparse matrix

1)sparse matrix
稀巯阵

2)rare-earth thioglycolate
巯基乙酸稀土
1.
Synthesis and applied research of rare-earth thioglycolate;
巯基乙酸稀土的合成及其应用研究



3)Sparse Matrix
稀疏矩阵
1.
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


2.
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


3.
Improved algorithm of sparse matrix multiplying
稀疏矩阵相乘的一个改进算法


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4)sparse array
稀疏阵
1.
Clutter characteristics of linear sparse array radar;
线性稀疏阵雷达的杂波特性


2.
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。


3.
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。


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5)Sparse array
稀布阵
1.
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。


2.
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。


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6)sparse arrays
稀布阵
1.
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


2.
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。


3.
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。


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补充资料：巯基乙酸铵
分子式：C2H7NO2S
分子量：109.1428
CAS号：5421-46-5

性质：暂无

制备方法：暂无

用途：暂无


说明：补充资料仅用于学习参考，请勿用于其它任何用途。

稀巯阵,sparse matrix