| 1. | Hybrid wave mode control of timoshenko beam vibration
梁的行波与模态的混合控制方法 |
| 2. | The project just do research on using certain guided wave modes to detect the pipe flaw
本文正是针对这一课题深入研究了纵向超声导波技术及其检测管道缺陷的方法。 |
| 3. | Inside the film , the field varies sinusoidally and the entire surface - wave mode propagates alone the horizontal z direction
在薄膜内，场按正弦函数变化，整个表面波模沿水平z方向传播。 |
| 4. | With a three wave interaction model , the pump wave mode is found to be strongly modulated by the background fluctuation , accumulated due to alfven resonance near the resonant layer
通过三波共振模型的分析，可以发现pump波能被集聚在共振层附近的大幅度背景扰动强烈调制。 |
| 5. | Furthermore the influence of the interface curvature and wave mode conversion on the inspection filed was still analyzed by the author . the results were in good agreement with the general rules of ultrasonic nondestructive testing
作者还进一步分析了界面曲率和波型转换对超声检测的影响,理论分析符合超声检测的一般规律。 |
| 6. | It can operate in traveling wave mode with only the torus in experiment , as well as in hybrid mode of standing wave and traveling wave with the whole engine working , and it can be also used to drive a pulse - tube refrigerator
它不仅可以用于行波与驻波混合型热声发动机实验，还可以单独进行行波环路实验及热声发动机驱动脉管制冷机实验。 |
| 7. | High frequency surface - wave radar ( hfswr ) utilizes the surface - wave mode of vertical polarization electromagnetic wave propagation over sea water to detect targets of ships and aircrafts at distance beyond the line of sight
高频地波雷达( hfswr )依靠高频垂直极化电磁波沿海洋表面绕射传播的机理,实现对海面舰船目标和低空飞行目标的超视距探测。 |
| 8. | The electromagnetic fields components of the te wave mode of a half - round waveguide are obtained theoretically , by using the conclusions of the rectangle and the circular waveguide , the superposition method and the mirror image method etc
摘要利用矩形波导和圆形波导的结论，并结合叠加法和镜象法等工具，从理论上分析给出半圆形波导的te波模型的电磁场分量。 |
| 9. | When frequency much higher than cutoff , using classical formulation method it is to know that tunnel wall wet make attenuation of electromagnetic wave increase in rectangular tunnel and make attenuation of other electromagnetic wave mode increase but te mode with tunnel wall permittivity
当频率远高于截止频率时，利用传统公式法可知：矩形隧道中隧道壁湿润引起衰减增大；圆形隧道中e模式衰减率因电容率的增大而减小，其他各模式则因电容率的增大而增大。 |
| 10. | The thesis analyzes the transmitting characteristic of the uwa channel , derives the propagation losses , eigenrays and channel impulse responses of uwa channel by use of the kraken normal wave mode and the ray trace algorithm based on velocity - depth curvilinear profile approximation . based on the analysis , a scheme of auto - replying lduwarc system by means of spread spectrum technique has been designed
论文首先分析了远程声遥控信道传输特性，分别利用kraken简正波和射线跟踪模型对深海和浅海水声信道的传输特性进行分析，对信道的多径结构、衰落和环境噪声进行了计算，并在此基础上设计了基于扩频技术的自主应答式远程声遥控系统方案。 |
