radiation matrix 中文意思是什麼
radiation matrix
解釋
輻射矩陣-
Mechanics on noise reduction of the structure is as followed : there is a very thin air layers between the matrix, so the structure of multi - layer is formed. that is metal a - air - metal b - air - metal a or metal a - air - metal b - air - metal b - air - metal a. on the cutting motivation conditions, air layer between two metal layers is flowed to - and - fro, which can absorb a part of motivation energy, so it leads to low noise radiation
該結構設計的消音機理為：層與層之間存在一層非常薄的空氣層，形成不同金屬與空氣的多層結構，即a金屬-空氣- b金屬-空氣- a金屬或a金屬-空氣- b金屬-空氣- b金屬-空氣- a金屬等多層結構。 -
We present a calculation program in this paper, based on the physical optical theory ( po ) theary to predict bse and bses for a conical type of radome. the po theory is used to determine the ficticius currents electrical and magnetic on the inner face of the radome, which is illuminated directly by the radar antenna, and then use the transmission matrix mothod to determine the outer surface ficticion currents, the radiated from the antenna through radome is considered as the radiation field of these ficticion current
本文提出了一種基於物理光學理論預測正圓錐天線罩瞄準誤差及瞄準誤差斜率的計算程序。首先，雷達天線照射到天線罩內壁，應用物理光學法求出內壁等效的電流和磁流，其次，根據傳輸矩陣理論求出外壁等效電流和磁流，天線通過天線罩的遠區場即可認為是外壁等效電、磁流產生的場。 -
Secondly, the mathematical radiation extinction model of nonspherical particle is developed based on t - matrix method, and a computer program is designed to calculate the extinction cross section, scattering cross section, absorption cross section and scattering phase function of fixed or randomly oriented axially symmetric particle
然後根據t矩陣方法，採用回轉體微粒消光特性的計算模型編制出的相應程序，對固定取向和隨機取向的非球形回轉體微粒的消光截面、散射截面、吸收截面及散射相函數進行了計算。 -
Based on the acoustic radiation mode analysis, the transfer matrix relating the pressure at every field point to normal component of surface velocity is formed
摘要基於聲輻射模態分析，建立了外部場壓和結構表面振動速度之間關系的傳遞矩陣。 -
In addition, the mom - po hybrid method is proposed to dissect radiation from radome - enclosed antennas and the correction impedance matrix upon which the solution to equivalent currents of radome ' s surface depend is built. a comparative analysis of those methods is finally presented to examine respectively their accuracy as well as computational efficiency
最後，對矩量法物理光學法的混合演算法分析問題的過程進行討論，給出混合演算法分析帶罩天線輻射問題的具體解決方案，建立混合演算法求解天線罩表面等效電磁流的校正矩陣。 -
In this dissertation, the radiation problems of wire antenna mounted on the arbitrary shaped conducting platform and the scattering problems of arbitrary shaped conducting objects are analyzed using impedance matrix interpolation with the moment method
本文應用矩量法結合阻抗矩陣插值技術，快速有效地求解實際工程問題中常見的任意形狀金屬目標的電磁散射問題及金屬載體上線天線的電磁輻射問題。 -
Besides, eigenvalue analysis is used in sound - impedance matrix. with the help of optimization theory, the conclusion is received that the radiation efficiences by a group of velocity distribution corresponding to eigenvector are proportional to the eigenvalue of the velocity vectors
並對阻抗矩陣進行了特徵值分析，從理論上說明了特徵向量對應的一組速度分佈，其輻射效率正比于該階特徵向量對應的特徵值。 -
The acoustic radiation resistance matrix is combined with the velocity vector on a vibration surface to predict the total sound power radiated from the structure
摘要利用聲輻射阻力矩陣和振動面上的速度矢量預報了結構聲輻射的總功率。 -
Thirdly, the cluster - cluster aggregation model is used to study the possible structure of aggregated smokescreen particle. we also develop the mathematical radiation extinction model of aggregated particle based on t - matrix method. associated with monte carlo method, another computer program is designed to simulate the extinction cross section and scattering cross section of actually aggregated particle
本文還將「凝聚體?凝聚體」凝聚模型應用於煙幕凝聚現象研究，模擬出了煙幕凝聚粒子的可能結構，並且根據t矩陣方法發展了凝聚粒子消光特性的計算方法，結合montecarlo方法，編寫了能夠模擬實際煙幕凝聚粒子消光截面、散射截面的計算程序。
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