基于應(yīng)變測量方法的衛(wèi)星天線陣列變形檢測
A displacement detection method for satellite phased-array antenna based on strain measurement
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摘要: 文章介紹了基于應(yīng)變測量的衛(wèi)星天線變形檢測方法。該方法針對衛(wèi)星天線在實際工作中產(chǎn)生的陣列形變，應(yīng)用彈性力學(xué)的有關(guān)理論和解析方法，通過測量天線陣列單元面板表面的應(yīng)變數(shù)據(jù)推導(dǎo)并擬合出天線陣列彎曲的撓度函數(shù)，繪制出天線陣列單元的變形構(gòu)型。實驗表明，該方法有較高的精度，能夠為天線輸出信號的相位校正控制提供依據(jù)。Abstract: A new displacement detection method for the satellite phased-array antenna based on the strain measurement is proposed. To obtain the displacement of the antenna panel, the panel bending function and the distortion distribution curve are derived based on the theory of elasticity and according to the strain data on the surface of the phased-array antenna panel. The experimental results demonstrate that this method can provide a basis for the phase correction control of high accuracy.
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