In this paper matlab and vb are used to build a software which can predict absorption coefficient ' s of the underwater anechoic coatings from these analytical models . finally , some algorithm of the single parameter minimization , nonrestraint nonlinear minimization and restraint minimization in the optimization design theory are studied . the formulas of absorption coefficient of these analytical models are object functions 本论文利用各种解析模型的声学设计理论，使用matlab与vb软件建立了一套水下消声覆盖层吸声系数预报软件，研究了最优化设计中单参数最小化、无约束非线性最小化和有约束最小化理论的一些算法，利用现有模型的吸声系数计算公式作为目标函数，初步优化了一些结构的材料参数。
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