hydrodynamic pressure field 基本例句 水压场 The effectiveness of the method is verified by calculation results in detection and characteristic extraction of hydrodynamic pressure fields of ship models.通过对实验船模水压场信号进行检测验证，讨论了在各种不同情况下，目标信号的特征提取及目标检测方法的效果，验证了该方法的有效性。