Using the finite difference time-domain (FDTD) method and near field to far field transformation, pressure of the reflected sound from the scattering target is calculated.
本文应用一致性时域有限差分法（FDTD）和近场远场变换计算散射声目标的反射声压强度，找出反射声压级与目标声中心到换能器间距离的关系。
Near-field to far-field transformation ranks among one of the most promising methods for getting far-field radar-cross-section(RCS) from measurements of targets from the near-field scattering fields.
近场散射数据的远场变换研究是具有发展前景的由近场测量目标，获取目标远场雷达截面的方法之一。
应用推荐