您要查找的是不是：
- There is an indefiniteness in the wave number that is related to the finite length of the train. 由于波到的长度是有限的，因此相应地在波数上存在着不确定性。
- Both sine wave and steep pulse edge are special cases of complex frequency wave. 正弦振荡和脉冲边沿都是自激复频率波的特定情形。
- Long array data will present cannon offset and low frequency wave in high resolution processing, reduce the resolution of seismic section. 在进行高分辨率地震资料处理时,长排列资料往往会出现大炮检距的波组低频化现象,使得地震剖面的分辨率降低。
- The imaginary component of Bloch wave number can serve as a measure of the localization degree of the surface electron states. 表面电子态的局域程度可以用布洛赫波数虚部来表征。
- The critical wave number and critical wave velocity increase under the cocurrent shear and decrease under countercurrent shear. 正向 剪切力使临界波数和临界波速增大，反向剪切力使其减小；
- The R of the transversely isotropic matrix model is larger than isotropic model if the final wave number of the two model are the same. 当最终的波数相同时，介质在振幅加强方向弹性模数减弱的情形所得到的R值，会比等向性材料的情形所得到的R值高。
- It is shown that cycle of sedimentary wave is response to each order sequence and the character of high frequency wave is correlated with oil source, reservoir and cap rock. 通过分析沉积波动周期与各级层序持续时间的对应关系，找出了高频沉积波动特征与生储盖之间的对应关系。
- Our results also indicate that the imaginary component of Bloch wave number can serve as a measure of the localization degree of the surface electron states. 此外 ;研究表明布洛赫波数的虚部可以作为一个衡量表面电子态局域程度的物理量 .
- Based on the theory of Zeeman effect and free spectral range of Fabry-Parot etalon, asimple method for measuring wave number defference and specific charge is designed. 根据原子光谱线在外磁场中的分裂特点和法布里-珀罗标准具的自由光谱范围，导出了一种在塞曼效应实验中测量分裂谱线波数差和电子荷质比的简单方法，并给出了应用实例。
- The calculations show that in the low wave number band, the outer surface is stable, while the feedthrough growth on the inner surface is rapid, resulting in the observed pha. 利用小扰动分析法,导出不可压缩球壳结构的馈通增长方程,数值模拟了高压气体驱动外表面有初始扰动的明胶球壳的瑞利泰勒不稳定性模型。
- Computational examples are presented, and the influence of wave number and wave incidence angle on dynamic stress concentration factor (DSCF) is discussed. 通过算例给出了浅埋圆孔动应力与入射波数、入射波角度的变化规律。
- At the same time , dynamical analysis for a given bridge has been done through the software MIDAS, and the relation of between basic frequency and sag ratio of stress- ribbon footbridges and frequency wave on the base of given sag have been educed. 同时，通过计算软件MIDAS对拟定桥梁进行动力分析，得出人行悬带桥的基频与垂跨比的关系以及特定垂度下的频率波形。
- This has the effect of blocking EMFs (elecromagnetic fields) and shielding radio frequency waves. 这就有阻断电磁场、屏蔽无线电波的效应。
- The numerical simulation shows that the modal wave number tomography can be used to invese the average SSP of the cold water mass. Therefore,it shows potential for monitoring ocean internal structure which is range dependent. 数值模拟结果表明 ,简正波波数层析可以用于反演平均声速剖面 ,特别在监测与距离有关海洋环境的声速结构方面大有潜力。
- The optimal path based maximum visibility was studied. It proves that a smoothly surface can be visibled by limitedly observepoints, and puts forward the optimal path and designs numberic solution. 摘要考虑基于最大观测范围的路径优化问题，证明了一类光滑曲面可被有限个探测点整体观测，提出了最优观测路径问题，并设计了相应的数值解法。
- It is also found that there are multiple Solutions of the propagating mode with imaginary transverse wave number for certain component parameters, and the mode has the high-frequency cutoff. 此外，还发现当分量参数满足一定条件时，出现了多个虚横波数的传输模式解，并且该模式存在高频截止。
- HIGH FREQUENCY WAVE PLASTIC WELDING MACHINE 高周波塑胶溶接机
- The cutoff wave numbers and distribution of field components of the high-order modes are calculated by those formulas. 根据这些公式可求出各模式的截止波数和相应的场分布。
- automatic low frequency wave analyser 自动低频波形分析器
- reproducing difference frequency wave 再现差频波
