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中文摘要：
通过观测海面兴波可以发现和识别水下潜航体的活动，准确获取观测区域的海面张力系数是实现水下潜航体参数精确反演的基础。从海水色散关系出发，推出了海面张力系数与波浪群速度和波长的关系，提出了一种快速获取海面张力系数的方法并设计了等效小型水池实验，能够在不需要更多参数的情况下直接从波浪图像中测算出海面张力系数值。运用物理测定法验证了水池实验方法测量结果的准确性。
英文摘要：
The motion of submerged body can be found and recognized by its wave making detection. Based on requirement on accurate sea surface tension coefficient,parametric retrieval of submerged body can be operated. In this paper,the relationship between the coefficient with the group velocity and wavelength of waves is derived from the dispersion relation. A new method for fast calculating the coefficient is proposed,which just need relative information from SAR or optical images. An equivalent experiment is also designed and implemented. Subsequently modified Wihelmi Plane Method for fluid surface tension measurement is applied to validating the pro- posed method.
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