1) sparse COLD array
稀疏COLD阵列
2) thinned arrays
稀疏阵列
1.
Genetic algorithm and FFT for the synthesis of element weight coefficients in asymmetric thinned arrays;
运用GA和FFT确定稀疏阵列的激励幅度
2.
Genetic algorithm (GA) is used for the synthesis of thinned arrays (whose elements are thinned from the uniform grid),which uses not only element spacings but also element excitation as variables,so it provides more degree of freedom to control the characters of thinned arrays.
本文运用遗传算法 (GA)综合稀疏阵列 (单元从规则栅格中稀疏 )时 ,不仅优化单元间距 ,而且将单元激励也作为优化变量 ,从而提供了更多的自由度来控制稀疏阵列的性能 。
3) Sparse array
稀疏阵列
1.
This paper deals with the issues associated with applying space-time adaptive processing(STAP) techniques in airborne sparse array applications.
研究了机载稀疏阵列雷达杂波谱特性,提出总的孔径不变且稀疏后任意2个阵元间的间距小于等于时域脉冲的个数时,无论稀疏后有效阵元数多少,杂波协方差矩阵的秩都保持不变。
2.
In this paper interpolation technique is used for processing the FIM(Fourier Integral Method) beamforming of equispaced linear sparse array.
运用插值技术对等距稀疏阵列进行FIM(傅里叶积分法)波束形成处理,不仅有效地增加了阵元数目,而且解决了等距稀疏阵列因阵元间距大于半波长而引起的信号角度模糊问题,同时采用FIM波束形成技术提高了指向性性能和抑制相关干扰噪声性能。
4) thinned array
稀疏阵列
1.
This paper points out that a thinned array can be set with the density function of the Gaussian distribution,after the extending of covariance matrix the gain can be increased clearly.
提出利用高斯随机分布的密度函数设置稀疏阵列,稀疏阵列得到的协方差矩阵经扩展后,增益会有明显的提高。
2.
So we can use thinned array to solve these problems.
在许多工程应用中,天线阵列要求有窄的扫描波束,而不要求有相应的增益,因此可以采用稀疏阵列。
3.
On the basis of a thinned array and code division signals, the space time adaptive processing (STAP) on an airborne radar is investigated to carry out ground clutter suppression and moving target detection.
基于稀疏阵列和码分正交信号,研究了机载雷达的空时自适应处理(STAP)技术,用于空中预警背景下的地面杂波抑制和运动目标探测。
5) Sparse arrays
稀疏阵列
1.
Theoretically the aliasing of sparse arrays could be discriminated by two signals with different frequencies, but it could not be eliminated completely in the presence of noise.
理论上根据两个不同频率信号可以解稀疏阵列相位模糊,但由于噪声干扰并不能完全消除稀疏阵列相位模糊。
6) 2D sparse array
二维稀疏阵列
1.
A novel method to design 2D sparse array for ultrasonic phased array;
相控阵超声二维稀疏阵列的优化设计应用研究
补充资料：稀疏
1.亦作"稀疎"。 2.不稠密。 3.犹言冷落﹐疏远。
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