如果能够得知目标的大致方位角，可以缩小搜索范围，减小运算量。
If the target aspect can be approximately estimated, the searching range and computation of classifier can be reduced.
为了讨论混响对双基地声呐探测范围的影响，利用经验证的三维散射模型，讨论在不同入射、散射掠射角和散射方位角约束下的海底散射强度分布。
The distribution of sea-floor scattering strength held in the incident grazing angle, scattering graze angle, and scattering azimuthal angle was analyzed using a 3-D model that was validated.
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