论文部分内容阅读
从扰动重力梯度的原理出发,通过理论分析、建模及仿真实验,定量研究了不同海况下,海浪对水下50m处潜艇各个方向重力梯度分量的扰动影响.实验表明:海况等级较高时,潜艇在水下进行重力梯度测量时,海浪起伏会对其测量值带来明显的扰动.当海况达到4级以上时,海浪产生的扰动重力梯度超过10-9 s-2,此时若在水下应用重力梯度进行导航及目标探测,就须要对实测信号进行预处理.
Based on the principle of disturbing gravity gradient, theoretical analysis, modeling and simulation experiments are conducted to quantitatively study the effects of ocean waves on the gravitational gradient components in submarine submarines under different sea conditions at 50m.The experimental results show that when the sea state level is high, Submarine gravitational gradient measurements under water, the waves will undoubtedly bring significant fluctuations in its measurements.When the sea reaches more than 4, the disturbance caused by waves gravity gradient of more than 10-9 s-2, at this time if the water Under the application of gravity gradient navigation and target detection, you need to pre-test the measured signal.