水下无线光通信接收光功率的计算研究  

Study on Computing the Receiving Optical Power in Underwater Optical Wireless Communication

作　　者：魏巍[1] 张晓晖[1] 饶炯辉[1] 吴广成[1] 

机构地区：[1]海军工程大学兵器工程系,湖北武汉430033

出　　处：《中国激光》2011年第9期97-102,共6页Chinese Journal of Lasers

基　　金：军队"十一五"预研项目;海军工程大学基金资助课题

摘　　要：在水下无线光通信中,以往计算接收光功率的方法大多没有考虑水体散射对光束发散角和光功率分布的影响。采用汉克尔变换的光束传输函数研究了在水下三维空间的光功率分布,在此分布基础上考虑接收机尺寸、空间位置、接收平面角度等因素产生的几何损耗,求得接收光功率,并进行了实验,结果表明本方法比以往方法更接近实验数据。In underwater optical wireless communication （OWC）, the impacts of water scattering on divergence angle and distribution of optical power are usually out of consideration in previous studies of receiving optical power. A three-dimensional distributing model for optical power is studied using the Hankel transform of the beam spread function （BSF）. Considering the geometrical wastage induced by receiver size, spatial position and receiving angle, the receiving optical power is obtained based on the distribution. Experimentation is implemented, which verifies that the method shows a better agreement with experimental data than previous methods .

关 键 词：光通信 光功率 汉克尔变换 水下 空间分布 

分 类 号：TN929.1[电子电信—通信与信息系统]