推导了声速测定实验中合成声场的位移波动方程、声压波动方程以及两者之间的关系。
The equation of displacement wave and sound pressure wave in the sound velocity experiment are derived. And their relation is analyzed.
位移相位中心法在合成孔径声呐载体运动误差较小时是一种运动补偿的有效方法。
Displaced phase center algorithm is an effective motion compensation method when the motion error along the synthetic aperture is small.
相移器是微波系统中的常用元件，它的作用是使通过的电磁波产生一定的相位移，因此它在微波相位控制和功率合成方面具有重要意义。
Phase shifter is a commonly-used component in microwave system. Its function is to make the passed electromagnetic wave phase shift, so it's very useful on the phase control and power synthesis area.
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