If there is damp, the instabilities may appear, and when the damp is so small that can be neglected, there exists only spatial gain.
当存在阻尼时，就有可能出现不稳定性。而当阻尼很小可被忽略后，将仅出现空间增益效应。
However, in shallow water, because the arrival signals of the vertical linear array are not plane waves, the spatial gain needs to be estimated properly.
而在浅海环境中，由于到达垂直线列阵的声波并不满足平面波假设，其空间增益需要作出正确估计。
The combination of MIMO and OFDM greatly increases the system capacity in the sense that OFDM and MIMO can respectively provide flat fading channel and spatial gain.
多天线和OFDM的结合极大地提高了系统容量，OFDM能为系统提供平坦衰落信道，而多天线则提供空间增益。
Various synthetic aperture techniques have been investigated during the past decades to increase array spatial gain and improve bearing resolution for towed line array system.
在过去十几年里，为了增加拖曳线列阵系统的空间增益、提高方位分辨率，各种合成孔径技术应运而生。
Various synthetic aperture techniques have been investigated during the past decades to increase array spatial gain and improve bearing resolution for towed line array system.
在过去十几年里，为了增加拖曳线列阵系统的空间增益、提高方位分辨率，各种合成孔径技术应运而生。
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