本文用谱域方法研究了频率选择表面(FSS)的散射特性。
In this thesis, Spectral method is used to analyse the scattering characteristic of Frequency Selective Surfaces (FSS).
对电阻贴片频率选择表面(FSSR)的吸波性能进行了研究。
The microwave absorbing performance of frequency selective surface with resistance patch (FSSR) was analyzed in this paper.
利用频率选择表面(FSS)代替普通金属面构成选频反射面隐身天线。
By means of frequency selective surface (FSS) instead of metallic surface, a stealthy reflector antenna with small radar cross section (RCS) is constructed.
通过引入广义波导概念,可以统一分析单元形状为任意的多层频率选择表面。
By introducing an idea of generalized waveguide, a unified treatment of multilayer FSSs with element of arbitrary shape is realised.
设计并加工了一种降低机载雷达天线散射载面的频率选择表面极化扭转板结构。
Finally, an assembling structure of frequency-polarization selective surface is designed and manufactured to reduce radar cross section of airborne radar antenna.
给出了一种分析有介质加载的不同栅格外形双层频率选择表面电磁特性的数值模拟方法。
A numerical simulation approach analyzing electromagnetic characteristics for dielectric-loaded double-layer frequency selective surfaces (FSS) with dissimilar lattice geometries is presented.
为了实现频率选择表面(FSS)的宽带滤波特性,本文给出了单元紧密排布的FSS结构。
In order to realize wideband filtering properties of frequency selective surface (FSS), FSS of closely packed elements is presented.
研究了由随机分布的电阻薄膜构成的频率选择表面(FSS)对复合材料电磁波吸波性能的影响。
In this paper, frequency selective surfaces (FSS) with random distributed resistive film patch has been proposed, and the effects on composite absorbing material with the FSS have been studied.
与传统的频率选择表面相比,提出的新型频率选择结构具有易于调节频率选择特性且易于实现的优点。
Compared with traditional frequency selective surface (FSS), the novel frequency selective structure has the advantages of easy implementation and tuning.
提出了一种研究不同栅格及单元外形并有介质加载的双层频率选择表面(FSS)电性能的理论分析方法。
A theoretical approach analyzing electrical performance for dielectric loaded du al-layer Frequency Selective Surface (FSS) configuration with dissimilar lattice and element geometries is proposed.
介绍了一种在航空制造和卫星通信领域用于复杂频率选择表面加工的机器人数字化加工系统(RDMS)。
A robot digital machining system (RDMS) used to machine complex frequency selective surfaces (FSS) in the aerospace manufacturing and satellite communications is introduced in this paper.
频率选择表面(FSS)是具有选择频率功能的一块金属周期结构,它可以被设计成低通、高通、带通、带阻滤波器。
A frequency selective surface (FSS) is a metallic periodic structure with frequency selective properties. Depending upon design, it may be low-pass, high-pass, band-pass, band-stop filter.
为了解决大型频率选择表面曲面的加工问题,结合机器人铣削和数字化加工技术,开发了复杂频率选择表面机器人数字化加工系统。
To solve the key technology of fabrication of large complex curved FSS (Frequency Selective Surface), a 5-dof robotic digital machining system is studied and developed.
并根据设计的硬币花纹工艺试验表明,选择较高的主脉冲频率,可获得较小的加工间隙,进而获得良好的表面质量。
It is indicated from the process experiment of coin figure that smaller gap and higher surface quality are obtained by choosing higher main pulse frequency.
结果表明:合理选择砂轮振动频率或工件主轴转速能有效提高工件表面精度,降低表面波纹度。
The results showed that, with appropriate wheel vibration frequency or appropriate workpiece rotate speed, the surface precision of workpiece can be improved.
这类新型谐振单元尺寸大大缩小,结构紧凑,为低频段的频率选择性表面阵列的实现提供了可能。
These new resonant cells are greatly reduced in dimensions and very compact in structures, so it is possible to realize the lower frequency selective surface.
这类新型谐振单元尺寸大大缩小,结构紧凑,为低频段的频率选择性表面阵列的实现提供了可能。
These new resonant cells are greatly reduced in dimensions and very compact in structures, so it is possible to realize the lower frequency selective surface.
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