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- Wave theory includes small amplitude wave, finite amplitude wave、solitary wave、cnoidal wave etc.Wave transformation discuses shoaling、refraction、diffraction、wave breaking etc. 波浪理论包括小振幅波、有限振幅波、孤立波、馀摆波等理论推导,波浪变形包括浅化、折射、绕射及碎波等现象解析。
- However, this soliton can break up after a long time and excite a train of small amplitude waves that propagate westward. 在一定时间后,强迫孤立子除了东传外还存在一个缓慢的西传。
- small amplitude wave 小振幅波
- This paper treats a method to transfer small amplitude highfrequency sine wave into high frequency programmable-dividing ECL clock. 介绍了一种直接将小幅度高频正弦信号变换成高速ECL时钟并进行可编程分频的通用方法。
- Mazda is riding the same wave, though at a smaller amplitude. 马自达是骑马同波,但在一个较小的幅度。
- The reflection and transmission of small amplitude surface wave by two vertical po-rous plates with different penneabilities and spacing l fixed in the middle of an infinitely long channel of constant depth are studied. 对无限长渠道中小振幅入射波通过两块间距为l,透水性能不同的多孔透水板的反射和透射进行了研究。
- In this paper, CAWS (Constant Amplitude Wave Superposition) is employed to simulate wind speed time series. 笔者利用谐波叠加法模拟了风速时程样本。
- Results show that the saw-tooth signal amplitude oscillate within small amplitude through the calibration. 通过校准,锯齿波的幅值变化量可控制在很小范围内。
- Internal solition is the large amplitude wave existing in the pycnocline induced by internal tide in the condition of special bottom topography. 摘要孤立子内波是由内潮在特殊地形条件下所激发的存在于密度跃层中的大振幅波动。
- The longer played chirp the more caustic energy is cumulated in a chirp and smaller amplitude of the sound wave is necessary. 短促声波播放的时间越长,就有越多剧烈和不稳定的能量被累积在短促声波中,这样更小的声波高度就是必要的了。
- The study of burning under the influence of small amplitude disturbances in ambient gas is a logical starting point for understanding the unsteady burning phenomena. 在周围气体小振幅扰动的影响下的燃烧研究,是了解非稳态燃烧现象合乎逻辑的起点。
- The third method is the time-average approach and is particularly applicable to rapid, small amplitude, oscillatory systems. 第三种方法是时间平均法,特别适用于以小振幅快速振动的系统。
- The turbulent subarea of single flame is not obvious and the number of the region with the small amplitude of cross-correlation coefficient increases. 单股火焰的湍流拟序结构分区变得不明显,互相关系数小幅波动的区域增多;
- The off-boresight drive signal is a kind of modulated signal with the charaeteristics of low frequency,small amplitude and liable to be interferenced. 离轴驱动信号是一种频率低、幅值小、易受干扰的调制信号,在信号检测中通常是测试的难点。
- The experiment of static structural recovery on pre-sheared non-Newtonian crude oil has been performed by small amplitude oscillatory shear. 通过小振幅振荡剪切试验,对经历预剪切的非牛顿原油在静置条件下的结构恢复性进行了研究。
- Based on the natural wind properties and the correlativity of nodal winds, CAWS (Constant Amplitude Wave Superposition) is employed to simulate wind speed time series of the Caiyuanba Changjiang Bridge in Chongqing. 基于自然风特性,通过考虑结构节点间的风速时程相关性,采用谐波合成法模拟了重庆菜园坝长江大桥脉动风速时程。
- This nonautonomous system has a quadratic fluid damping andparametric excitation, and the vortex excitation force is of very small amplitude. 该非自治系统具有流体平方阻尼力和中心激振。
- Small amplitude forced vibration tests (FVT) for a field large-scale soil-box foundation-structure interaction system were designed and carried out. 摘要设计并完成了野外大比例(1:2)土-箱形基础-框架结构相互作用系统顶部小幅激振试验。
- Based on irrotational flow hypothesis and linearized free surface boundary condition,the similarity law of liquid sloshing with small amplitude is studied in this paper. 在理想流假设及线性化的自由表面边界条件的基础上,对刚性容器中液体小幅晃动进行了流体相似律的研究。
- Applying chaotic theory to trigging circuit os digital oscilloscope(DSO),it could measure weak signal and capture the point when the weak signal changed very small amplitude. 将混沌理论应用于数字示波器的触发电路设计中,并用嵌入式系统实现。