1) random thinning array

随机稀布阵
2) sparse random array

稀疏随机阵
1.
Two convex optimization algorithms of sparse random array pattern synthesis are presented in this paper.
本文研究了利用凸规划方法综合稀疏随机阵方向图的问题,采用最大信号干扰加噪声比准则,利用附加的线性约束对旁瓣作进一步控制,将方向图设计问题分别转化为二次规划和二次锥规划形式,再用内点法求解。
3) stochastic embattling

随机布阵
1.
According to max SINR rule,this paper discusses feasibility of smart antenna stochastic embattling using in the environment of electromagnetic war and come to a useful conclusion that is great significance in guiding practice.
用最大信噪比准则 ,研究了在随机布阵条件下 ,智能天线应用于电子对抗环境中的可行性 ,得出了有用结论 ,对指导实际有重要意义。
4) randomly spaced antenna array

随机分布天线阵
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。
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。
补充资料:随机数和伪随机数
随机数和伪随机数
random and pseudo-randan numbers
随机数和伪随机数【喇间佣1 al川牌”山一喇闭..m.山娜;cJI了,a如曰e”nce,口oc月卿成.以叹“c月a】 数亡。(特别,二进制数:。),其顺序出现,满足某种统计正则性(见概率论(probability Uleory)).人们是这样区别随机数(mndomn切mbe比)和伪随机数(PSeudo一mn由mn切mbe岛)的,前者由随机的装置来生成,而后者是用算术算法构造的.总是假设(出于较好或较差的理由)所得(或所构造)的序列具有频率性质,这些性质对于具有分布函数F(z)的某随机变量心独立实现的一个序列来说是“典型的”;因此人们称作根据规律F(习分布的(独立的)随机数.最经常使用的例子为:在区间【O,l]上均匀分布的随机数亡。,尸(亡。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条