内置环形辐射器，超强声压动态低频增益，听。
Built-in loop radiators, super dynamic low-frequency sound pressure.
与增加的缺陷的严重性，不仅有缺陷齿轮啮合频率增益能源，并且还大的影响，能源出当前低频区。
With increase in defect severity, not only the defective gear mesh frequency gains energy, but also large impact energy appears in low-frequency regions.
由于超增益阵具有尺度小、空间增益高的特点，对于改进低频被动声纳的检测性能具有重要的意义。
Therefore, supergain hydrophone array, particularly the small-sized circular array, is very good for improving the detection performance of low frequency passive sonar.
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