海底阵型校阵误差评估方法  

Evaluation Methods on Array Measuring Error of Seabed Arrays

作　　者：张永超[1] 徐国贵[1] 

机构地区：[1]91388部队,湛江524022

出　　处：《舰船电子工程》2016年第4期124-127,共4页Ship Electronic Engineering

摘　　要：海底阵的测阵方法有绝对测阵和相对测阵。绝对测阵耗时长、精度高;相对测阵耗时虽短,但精度稍低。综合利用这两种测阵方法,文中给出了三种评估海底阵型测阵误差的方法,为海底阵型寻找一个合理的测阵航行路线提供评估依据。方法一为推算误差,利用误差传递的方向和大小,画图标注误差级别,近似计算各级别处定位误差;方法二为建模仿真解算误差;方法三为误差公式计算误差。通过分析三种评估方法计算的海底阵型各点误差大小及误差传递过程中的变化规律,可知三种方法在反映误差传递过程中的变化规律相同,方法一直观快捷,方法二结果可靠性强。The measuring theory for seabed acoustic arrays is divided into absolute array measuring and relative array measuring.Absolute array measuring takes much time,but it has high precision of array measuring.Relative array measuring is in contrast to absolute array measuring.Comparering with the two measuring method,three methods of array measuring error in evaluating seabed acoustic arrays are given,which can help us find a better sailing path.The method one is prediction error,which marks the error＇s direction and size as a point in a picture and estimates the error of the point as array measuring error.The method two is making use of modeling and simulation and calculating the array measuring error.The method three is calculating error by use of the error equation.Comparing the three methods,it is concluded that the three methods are of consistency on the change rule in the error trasfering,and the method one has advantages of graphics intuition and calculating fast,and the method two is reliable.

关 键 词：海底阵 测阵校阵 测阵误差 评估方法 

分 类 号：TB565[交通运输工程—水声工程]