对两个具有材料负载的正规,平行板波导腔体的雷达横截面进行比较的Wiener-Hopf分析
Kewen He1, Takashi Nagasaka2, Shoichi Koshikawa3
1School of Information and Electrical Engineering, Hunan University of Science and Technology, Xiangtan, Hunan, People's Republic of China.
概括
研究人员使用Wiener-Hopf技术分析了波导腔的雷达截面 (RCS). 精确和近似的解决方案被衍生为分散的领域,提供了对散射特征的见解.
科学领域:
- 电磁学 电磁学 电磁学 电磁学
- 计算电磁学 计算机电磁学
- 波导理论 波导理论
背景情况:
- 波导腔是电磁系统中的基本组件.
- 对雷达横截面 (RCS) 的准确分析对于目标检测和隐形应用至关重要.
- 现有的分析方法可能对复杂的腔体几何体具有局限性.
研究的目的:
- 提供关于两个正规波导腔的RCS研究的综合性综述.
- 严格分析RCS使用Wiener-Hopf技术对E极化和H极化进行分析.
- 为了获得分散场的确切和近似解决方案,并讨论散射特征.
主要方法:
- 应用Wiener-Hopf技术来分析二维波导腔.
- 使用转换域中的同时维纳 - 霍夫方程来制定问题.
- 通过因子化和分解的解决方案,然后是逆富里埃变换和点方法.
主要成果:
- 对于两种类型的负载平行板波导腔体,为分散场获得了准确和近似的解决方案.
- 散射场被表达为空腔内部的波导模式,以及外面的散射远场.
- 数字示例展示了RCS,并讨论了各种参数的远场散射特征.
结论:
- 维纳-霍夫技术提供了一种严格的方法来分析正规波导腔的RCS.
- 衍生出的解决方案使得人们能够详细了解不同腔体配置和偏振的散射行为.
- 这项研究有助于计算电磁学的分析方法的进步.
相关概念视频
Standing Waves in a Cavity
1.0K
A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
1.0K
Steady, Laminar Flow Between Parallel Plates
333
Understanding steady, laminar flow between parallel plates is essential for analyzing and designing flow in narrow rectangular channels, commonly found in various water conveyance and drainage systems. The Navier-Stokes equations govern fluid motion and are generally challenging to solve due to their nonlinearity. However, simplifications are possible in certain cases, like the steady laminar flow between parallel plates. For this scenario, we assume steady, incompressible, laminar flow.
333
Bending of Members Made of Several Materials
261
In analyzing a structural member composed of two different materials with identical cross-sectional areas, it is crucial to understand how their distinct elastic properties affect the member's response under load. The analysis involves assessing stress and strain distributions using the transformed section concept, which accounts for variations in material properties.
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each...
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each...
261
Parallel Resonance
274
The parallel RLC circuit is an arrangement where the resistor (R), inductor (L), and capacitor (C) are all connected to the same nodes and, as a result, share the same voltage across them. The parallel RLC circuit is analyzed in terms of admittance (Y), which reflects the ease with which current can flow. The admittance is given by:
274
Traveling Waves: Lossless Lines
200
The provided content explores the behavior of traveling waves on single-phase lossless transmission lines. It begins with a single-phase two-wire lossless transmission line of length Δx, characterized by a loop inductance LH/m and a line-to-line capacitance C F/m. These parameters result in a series inductance LΔx and a shunt capacitance CΔx.
200
Unsymmetric Loading of Thin-Walled Members: Problem Solving
165
The shear center of a channel section with uniform thickness, height, and width, is determined by computing the shear force in the member and calculating the moments of inertia of the sections.
To compute the shear forces, find the shear flow at a specific distance from the endpoint using the vertical shear and the moment of inertia values. The total shear force on the flange is calculated by integrating the shear flow from one end of the flange to the other.
Next, calculate the moments of...
To compute the shear forces, find the shear flow at a specific distance from the endpoint using the vertical shear and the moment of inertia values. The total shear force on the flange is calculated by integrating the shear flow from one end of the flange to the other.
Next, calculate the moments of...
165


