The finite element method is used to investigate the effect of a time reversal method on the guided wave inspection in pipes.
为克服现有导波检测技术对管道小缺陷检测的不足，给出了一种基于时间反转理论的管道缺陷超声导波无损检测方法。
Time Reversal processing (TRP) is a signal processing method based on the focusing property. It attached more attention in underwater acoustic communication, active detection and so on.
时间反转处理(trp)是利用这种聚焦特性的信号处理方法，它在水声通信、主动声纳检测这类脉冲—回波型领域的应用研究越来越受到重视。
Based on the focalization ability of time reversal theory to the wave origin, the wave propagation was rebuilt by an image method which displays the damage as the focusing point.
利用时间反转法对波源的自适应聚焦能力，重建信号传播波动图，通过信号聚焦显示损伤位置和区域。
The iterative time reversal processing and the decomposition time reversal operator method are studied.
研究了迭代时反处理和时反算子分解方法。
Combined the waveguide invariant and the time reversal reverberation hulling, a time reversal bottom reverberation null-broadening method is proposed.
本文结合波导不变性和时反海底混响零点设置方法，提出了一种利用波导不变性实现时反混响零点展宽的方法。
Time reversal array focusing and focused beamforming can achieve the same effect, although they are different in the method.
理想信道中阵的时反聚焦与近场的聚焦波束形成是异曲同工的。
Time reversal array focusing and focused beamforming can achieve the same effect, although they are different in the method.
理想信道中阵的时反聚焦与近场的聚焦波束形成是异曲同工的。
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