The shallow water tide wave model and its adjoint model are used to make the optimization test for the initial fields of current velocity and water level.

利用浅水潮波模式及其共轭模式进行了流速和水位的初始场优化试验。

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Based on chaff ground projectile test, the longest release distance and the biggest width under different initial velocity of two kinds length of chaff were measured.

通过箔条的地面发射试验，测量了两种不同长度的箔条在不同初速条件下的最远抛撒距离和最大宽度，得到了箔条阻力系数与雷诺数之间的线性关系。

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