并行高階矩量法分析機載波導(dǎo)縫隙陣列研究
[Abstract]:Using electromagnetic calculation method to study the radiation characteristics of airborne antenna can greatly reduce the cost of engineering design. The electromagnetic calculation of airborne antenna has always been one of the most important research points in antenna layout. Because of the large electric size of the platform and the complex structure of the antenna array, it takes a lot of computing resources to give the exact solution of the electromagnetic simulation, which makes it difficult for the current computer hardware to solve such a large amount of calculation. So this paper gives a solution from the algorithm. This article starts from the project, has done the following aspects research and the work. First, the high-order method of moments (mom), (HoMoM), which is a high-precision algorithm, is studied. Based on the higher-order basis function and the method of moments (Mo M), this algorithm can reduce the computational complexity when calculating the model with large and smoother patches on the aircraft surface. The calculation of the model can be controlled to a certain extent through the control of the model mesh. Second, the narrow-edge slot array antenna is studied. Waveguide narrow-edge slot array antenna has the advantages of relatively high efficiency, relatively small volume and very tight slot structure. It can be used to design low sidelobe antenna and so on. It has been paid more and more attention in recent years, and has been used in the design of airborne antenna. However, due to the large electrical size of the narrow-edge slot array antenna, the structure of the antenna is very tight, and the electric size of the platform is also very large in the frequency band of the antenna. Therefore, it is very difficult to calculate the results. Thirdly, the parallel high-order moment method combined with domain decomposition algorithm is used to study the waveguide slot array antenna carried by computer. The domain decomposition algorithm in the field of electromagnetic computation is to divide a model with a very large electric size into several parts which can be calculated separately and then solve the total field by iterative method. In this paper, some numerical examples are given to verify the accuracy and reliability of the algorithm, and the waveguide narrow-edge slot array antenna is installed on the aircraft platform, and the maximum radiation direction of the array points to five specific directions, such as the tail and the head of the aircraft respectively. Finally, the radiation characteristics of airborne waveguide array in these cases are calculated successfully by combining the domain decomposition algorithm with the high-order moment method on the basis of satisfying the calculation accuracy required by the engineering.
【學(xué)位授予單位】:西安電子科技大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2014
【分類號】:TN822
【共引文獻】
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1 吳兆旺;馬業(yè)萬;;一種有效電磁場散射數(shù)值計算方法[J];安慶師范學(xué)院學(xué)報(自然科學(xué)版);2008年04期
2 曾瑞;周樂柱;李明之;王瑋;;姿態(tài)變化條件下的典型衛(wèi)星目標寬帶散射特性分析[J];北京大學(xué)學(xué)報(自然科學(xué)版)網(wǎng)絡(luò)版(預(yù)印本);2008年03期
3 曾瑞;周樂柱;李明之;王瑋;;姿態(tài)變化條件下的典型衛(wèi)星目標寬帶散射特性分析[J];北京大學(xué)學(xué)報(自然科學(xué)版);2009年01期
4 潘順康;呂善偉;馮克明;王偉;;漸變體微波散射截面的計算[J];北京航空航天大學(xué)學(xué)報;2006年05期
5 柴焱杰;孫繼銀;孫東陽;胡寅;;雙層金屬腔體HEMP平面波孔縫耦合特性分析[J];電訊技術(shù);2010年11期
6 藍朝暉;胡希偉;江中和;李建勝;;基于Haar小波包的時域多分辨分析法[J];電波科學(xué)學(xué)報;2008年01期
7 屈天瑩;夏冬玉;唐祥楠;張月親;;寬頻帶平板反射器陣列天線分析與設(shè)計[J];電波科學(xué)學(xué)報;2008年02期
8 柴焱杰;孫繼銀;孫東陽;胡寅;;平面波在時域有限差分法中的引入方法研究[J];電波科學(xué)學(xué)報;2011年02期
9 徐松毅;陳常嘉;李文鐸;;高仰角對流層散射電波傳播損耗的一種預(yù)計方法[J];電波科學(xué)學(xué)報;2011年03期
10 張皓;趙偉;;電磁測量領(lǐng)域中數(shù)學(xué)的地位與重要作用[J];電測與儀表;2007年01期
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2 耿雪瑩;張其林;高金閣;;地面建筑物對地閃回擊電磁輻射環(huán)境的影響[A];S13 第十屆防雷減災(zāi)論壇——雷電災(zāi)害與風(fēng)險評估[C];2012年
3 陽振宇;虞春;;手機內(nèi)置平面單極天線的多頻與寬帶技術(shù)研究[A];中國通信學(xué)會2011年光纜電纜學(xué)術(shù)年會論文集[C];2011年
4 王立;顏俐;;基于MATLAB的二維TM波FDTD研究[A];第四屆全國船舶與海洋工程學(xué)術(shù)會議論文集[C];2009年
5 楊宇澄;丁洪濤;;120W洗衣機變頻電機優(yōu)化設(shè)計[A];2011年中國家用電器技術(shù)大會論文集[C];2011年
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