Statistical Analysis of Backscatter Data from 300 kHz Multibeam Echo Sounder

摘要：

The seafloor high-frequency backscatter average statistics, including the backscatter strength and the backscatter cross section, are statistically analyzed. According to Gamma distribution model of the backscatter cross section, the probability density function (PDF) of the backscatter strength is derived, and it is proved that the backscatter strength approaches a Gaussian distribution. The data recorded by a 300 kHz multibeam echo sounder are used to calculate the backscatter cross section and the backscatter strength at different angles. The statistical distributions of the two kinds of statistics are compared with theoretical distribution models. The results show that Gamma distribution correctly fit the distribution of the backscatter cross section, and Gaussian distribution accurately fit the distribution of the backscatter strength. Furthermore, the estimated parameters of two distribution models vary with the incidence angles.

关键词： multibeam echo sounder backscatter cross section backscatter strength Gamma distribution Gaussian distribution

作者: Chao Xu Haisen Li Baowei Chen Tian Zhou

作者单位: National Laboratory of Underwater Acoustic Technology Harbin Engineering University Harbin,Heilongjiang Province,China

会议类型: 国际会议

会议名称: 2010 IEEE信息与自动化国际会议(ICIA 2010)

会议地点: 哈尔滨

会议语种:英文

页码: 1-5

在线出版日期: 2010-06-20（万方平台首次上网日期，不代表论文的发表时间）