摘要
为了解决回声测深仪波束角效应引起测深图像产生失真变形的问题,应用微分几何的原理对波束角角效应的空间结构及其数学原理进行建模,找出失真规律,并提出了波束角效应的失真模型。模型的优越之处在于提出决定波束角效应发生作用的是海底地形的线性特征而不是形状特征。最后设计仿真试验对模型进行了验证,仿真结果证明了模型的正确性。
In order to solve the problem that the record seabed image is distorted due to the angular beam width of an echo sounder, the differential coefficient geometry is used to model the space configuration of the beam width effect and its mathematical principle for finding the principle of distortion, and a distortion model is put forward＆ The superiority of the model lies in that it is not the figure character but the linear eharacter that controls the effect of beam -width. At last, a simulation is performed to test the model, and the conclusion shows its validity.
出处
《计算机仿真》
CSCD
北大核心
2009年第8期349-354,共6页
Computer Simulation
关键词
海底地形测量
波束角效应
建模
仿真
Bathymetrie survey
Beam width effect
Modeling
Simulation
