The horizontal-longitudinal correlation of acoustic field for the receiver near the bottom is analyzed by using nu-merical modeling.An approximate analytical solution of horizontal-longitudinal correlation coefficient...The horizontal-longitudinal correlation of acoustic field for the receiver near the bottom is analyzed by using nu-merical modeling.An approximate analytical solution of horizontal-longitudinal correlation coefficient is derived based on the ray method.Combining the characteristic of Lloyd's mirror interference pattern,the variability of acoustic field and its effect on horizontal-longitudinal spatial correlation are discussed.The theoretical pre-diction agrees well with the numerical results.Experimental results confirm the validity of analytical solution.Finally,the applicability of the analytical solution is summarized.The conclusion is beneficial for the design of bottom-moored array and the estimation of integral time for moving source localization.展开更多
基金Supported by the National Natural Science Foundation of China under Grant No 11174235
文摘The horizontal-longitudinal correlation of acoustic field for the receiver near the bottom is analyzed by using nu-merical modeling.An approximate analytical solution of horizontal-longitudinal correlation coefficient is derived based on the ray method.Combining the characteristic of Lloyd's mirror interference pattern,the variability of acoustic field and its effect on horizontal-longitudinal spatial correlation are discussed.The theoretical pre-diction agrees well with the numerical results.Experimental results confirm the validity of analytical solution.Finally,the applicability of the analytical solution is summarized.The conclusion is beneficial for the design of bottom-moored array and the estimation of integral time for moving source localization.
