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根据海水辐射传递理论和光学信息处理方法所建立的海水水体点扩展函数（ＰＳＦ）和海水小角度散射函数之间的关系，研制了一台基于图像测量处理原理的新型现场海水小角度散射函数测量仪，通过对点扩展函数（ＰＳＦ）的测量及运用本文作者的计算方法获得了海水小角度散射函数。与以往的同类仪器相比，这台仪器具有０．０１°的角度分辨率、５％的精度，同时结构简单可靠，并已经获得了东中国海的典型海区的海水小角度散射数据。
Based on the relationship between the point spread function (PSF) of seawater and the small-angle scattering function of seawater established by the theory of seawater radiative transfer and the optical information processing method, a novel measurement of small-angle scattering function of seawater based on the principle of image measurement and processing The sea-water small-angle scattering function was obtained by measuring the point spread function (PSF) and using the calculation method of the author. Compared with the same kind of instruments in the past, this instrument has 0.01 ° angular resolution and 5% accuracy. At the same time, its structure is simple and reliable, and small-angle scattering data of seawater in the typical sea area of the East China Sea have been obtained.