1) concentric-ring array
双层圆阵
1.
Based on the analysis of the beampattern of a circular array,a concentric-ring array is proposed to solve the problem of higher sidelobe level of the circular array.
本文在分析均匀圆阵波束图的基础上,提出了采用双层圆阵来解决均匀圆阵波束图副瓣电平较高等问题,并将双层圆阵应用于自适应零点波束形成。
2) double skin
双圆夹层
1.
Bearing capacity calculations for concrete filled double skin tubes;
双圆夹层钢管混凝土柱轴压承载力计算
3) nested tungsten-wire-array
双层钨丝阵
4) double cylindrical shell
双层圆柱壳
1.
This paper researches the energy absorption capability of a double cylindrical shell structure with coated acoustic covering layer and stiffening rib.
该文针对敷设声学覆盖层的加筋双层圆柱壳的抗冲性能进行了数值仿真研究,给出了兼具抗冲和隔振功能的声学覆盖层结构设计及性能参数优化建议。
2.
The balance equation about the segments of the double cylindrical shell is built by using the coordinated condition of deformation for the orthogonal connection of the ring plate and the cylindrical shells inside and outside,and taking each segment of double cylindrical shell as an entire structure.
利用圆环板与内、外圆柱壳正交连接的变形协调条件 ,把每跨双层壳作为整体 ,建立双层圆柱壳段的平衡方程。
3.
Excited by harmonic radial point force,the stationary vibration response of submerged double cylindrical shell with ring supports linked by brace-splint or annular plates is analyzed by FEM.
基于有限元方法分析了在径向简谐点力作用下,支柱-托板式连接和实肋板式连接时水下双层加筋圆柱壳的稳态振动响应,进而通过壳体径向面均方速度级比、径向等效机械阻抗两个指标,分析了激励位置变化时,两种典型连接方式下的双层加筋圆柱壳层间结构的振动传递特性,研究表明所定义的指标能够有效的对双层圆柱壳的振动传递特性进行评估,径向简谐点力激励位置的改变对支柱-托板式连接的双层加筋圆柱壳的振动传递特性影响较实肋板连接时相对明显,但激励位置改变对内外壳间振动能量传递的影响总体较小,选用合适的结构尺寸参数,亦可使实肋板式连接结构的振动性能不弱于、甚至优于支柱-托板式连接结构。
5) cylindrical double-shell
双层圆柱壳
1.
The model of a cylindrical double-shell under water for sound prediction is built using SEA.
采用统计能量分析方法,建立水下有限长双层圆柱壳体结构机械噪声预报模型。
6) dual circular array
双圈圆形阵列
补充资料：圆阵
1.圆形的战阵。
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