You've got a sound wavetraveling merrily along through one medium, when suddenly it hits a different medium, what does gonna happen then?
声波在一种介质中顺畅地传播，突然触及了不同的介质，这时会发生什么？
2
An optimization method is proposed to improve the reliability of getting the travelingwave head, smoothing both beginning and ending data.
并进一步提出了通过平滑处理故障首尾数据的优化方法提高行波波头提取的可靠性。
3
The steady solution and its stability of Nonlinear Schrdinger Equation (NLSE) are studied by means of travelingwave transformation and bifurcation theory.