| 王宝升,张咸仁,林俊轩.水声信号部份截取法消除边界散射干扰影响[J].声学技术,1996,(3):135~137 |
| 水声信号部份截取法消除边界散射干扰影响 |
| Signal truncation method in the study of underwater sound propagation under the infl uence of boundary scattering |
| 投稿时间：1996-01-08 修订日期：1996-02-04 |
| DOI： |
| 中文关键词: 水池实验 信号截取 消除干扰 频谱分析 |
| 英文关键词: water tank experiment signal truncation interference elimination frequency analysis |
| 基金项目: |
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| 摘要点击次数: 1133 |
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| 中文摘要: |
| 本文通过实验论证了在有限尺度实验水池条件下采用部份截取直达声脉冲信号的方法研究声传播特性的可行性。该方法只对未被边界散射干扰的直达声脉冲信号进行部分截取,因而可以根本上消除掉边界散射对直达声脉冲信号的干扰,有效地提高了信号处理结果的可信度。该方法可降低在水声模拟实验研究中对水池尺度和边界条件的要求,具有重要的实际意义。 |
| 英文摘要: |
| In this paper the feasibility of signal trucation for the study of sound propagation in a water tank of limited size is discussed.This method retains only a part of the direct signal that has not been inter fered by bo undary scattering,neg lecting the restt hat has been inter fered.With this method the requirements for the size and boundary condition of a water tank can be less restricted,which is of significance in practice. |
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