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Haitan Strait is a south-north and long restricted channel strait, tidal wave in the strait belongs to progressive wave.
海坛海峡为南北狭长型海峡,海峡内潮波属于前进波。
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The problem of lightning progressive wave protection for electrified railway traction substation of our country has been studied in this paper.
本文对我国电气化铁道牵引变电所的雷电进行波保护问题进行了研究。
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A big class of nonlinear partial differential equations have progressive wave solutions, which can be transformed into ordinary differential autonomous system.
一大类非线性偏微分方程都存在行波解,此时这类偏微分方程能转化为相应的常微自治系统。
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Nonlinear sound wave propagation is solved rigorously for progressive and standing waves and applied to composite tubes including thermoacoustic stacks with temperature gradient.
本文中给了非线性行波和驻波的严格解,并用于包括热声堆和温度梯度的复合管中。
又称推进波或行进波。波形向前传播而水质点运动轨迹呈封闭或近似封闭的周期性振动的波浪。 亦称“行波”。在介质内向前传播的波。在深水中传播的前进波的水质点做圆周运动,在有限深度情况下,水质点的运动轨迹呈椭圆形。波峰处水质点的水平运动速度最大,其方向和波形传播的方向一致。波谷处水质点的水平运动速度也最大,其方向和波形传播方向相反。这样,在波峰的前方必然要发生水体堆积。同样,波峰的后方必然要发生水体流失,从而使波形向前传播。海浪多具有前进波性质。大洋潮波亦具有前进波性质。