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- The evaluation of Rayleigh wave dispersion characteristic is the key step for detecting S-wave velocity structure. 摘要瑞利波频散特性测试是波速结构的面波探测方法中的关键环节。
- Longitudinal ultrasonic guide wave dispersion equation of inviscid liquid-filled pipe is analyzed theoretically. 从理论上得到了充非粘性液体管道中纵向超声导波的频散方程。
- Objective To study the relation between P wave dispersion, P wave width and paroxysmal atrial fibrillation. 目的研究心电图P波离散度、P波宽度与阵发性心房纤颤的关系。
- Conclusion P wave maximum width or P wave dispersion is a dependable sign to predic... 结论P波离散度、P波最大宽度为一种预测阵发性心房纤颤的可靠指标。
- Meanwhile, some noninvasive surface EKG parameters such as P wave dispersion show promising application in the field of predicting AF. 一些无创的体表心电图指标如P波离散度等被认为能预测房颤的发生。
- A lot of numerical simulations indicate that both SVD and LSQRD are very effectively applied to inversion of surface wave dispersion. 大量的数值模拟表明，SVD和LSQRD在面波频散网格反演两步法中的应用效果都很好。
- Abstract Seismic wave dispersion and dissipation distort the shape of the wavelet and attenuate the energy of seismic reflections. 摘要 地层的吸收与衰减效应使地震波的振幅被衰减，相位被改变。
- In this study, Love wave dispersion data of 117 selected wave paths crossing the Pacific ocean basin are determined by applying the MF-FTAN technique to SRO/GDSN long period data. 应用现代适配滤波频时分析技术对SRO/GDSN长周期面波记录进行处理,获得穿过太平洋盆地的117条波路径的勒夫波频散数据。
- Dogan A,Ozaydin M,Nazli C,et al.Does impaired left ventricular relax-ation affect P wave dispersion in patients with hypertension.Ann Noninva-sire Electrocardiol,2003,8:189. 中华医学会心血管病学分会.;慢性心力衰竭诊断治疗指南
- How themined-out areas affect the Rayleigh wave dispersion curves were analyzed, and howthe feature of the dispersion curves vary with the mined-out areas were also discussed. 研究了采空区对瑞雷波速度及频散曲线的影响,归纳采空区处频散曲线的变化特征。
- Ray-leigh wave dispersion dates of 238 paths and love wave dispersion dates of 358 paths have been obtained by applying the "display-Equality filter frequency-time analysis" technique. 其中采集238条瑞利波和358条勒夫波混合频散曲线;使用均等显示滤波方法;并以4°×4°为一格将我国境内分为147格.
- And it points out direct method and unbind-coupling method solve the problem on stress uniformity, flexible shapers minish wave dispersion , mathematics solve contact problems between ends. 提出了直接法和数据解耦的方法处理应力不均匀问题、使用软介质的方法处理大直径杆的弥散效应问题、用数学计算的方法处理试件端面摩擦效应的问题.
- Methods:The maximum P wave duration and the minimum P wave duration(Pmin) of 12-lead -electrocardiograms of 55 cases with essential hypertension accompany atrial arrhythmia and 55 cases non atrial arrhythmia,Analyse P wave dispersion. 方法 :测定55例原发性高血压伴房性心律失常及55例非房性心律失常(对照组)的同步12导联心电图 ,P波最大时限(Pmax)和P波最小时限(Pmin) ,Pd=Pmax-Pmin。 并进行比较。
- Dispersion of forces led up to the defeat. 分散兵力是导致失败的原因。
- Makes use of Maxwell equation and gets surface wave dispersive characteristics, energy flow characteristics. 利用麦克斯韦方程得出了表面波的色散特性、能流特性。
- CALCULATION FOR LAMB WAVE DISPERSION CURVES 兰姆波频散曲线的计算
- TOMOGRAPHY OF RAYLEIGH WAVE DISPERSION 地震面波频散的层析成像
- Bill wave his hand to us and then drive away. 比尔向我们挥手告别后开车走了。
- Radio2 can be heard on the long wave band. 第二广播电台可在长波段收听到。
- I am able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。
