考虑振幅几何扩散补偿、散射角度补偿，在迭代反演过程求出最优解，即保幅偏移解。
An optimal solution, which is a true amplitude, is obtained in the process of iteration by considering the weighted factors to compensate the amplitude spreading and the Angle effects with offset.
该超声换能器采用纵向振动方式，其前盖板连接了一个半波长圆锥形变幅杆，以增大超声换能器输出端的振幅。
The ultrasonic transducer vibrates longitudinally, its front cover plate links up with a half wavelength circular conical horn to increase the amplitude of the output end of the ultrasonic transducer.
变幅杆作为振幅扩大装置，主要作用是把能量集中，将机械振动的质点位移或速度放大。
As the expansion device of amplitude, horn is used to focus energy and enlarge the mechanical vibration of the particle displacement or velocity.
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