English translation for "频散现象"

spectral dispersion phenomenon

Related Translations:

现象:  appearance (of things); phenomenon 短语和例子自然现象 natural phenomenon; 社会现象 social phenomenon; 向不良现象作斗争 combat unhealthy phenomena; 暂时现象 transient phenomenon; 日[月]食是一个有趣的现象。 an eclipse is an int

散:  散动词1.(由聚集而分离) break up; disperse 短语和例子大家别走散了。 let's not get separated. 会还没有散。 the meeting is not over yet. 警察到达时集会就散了。 the party broke up when police arrived. 乌云散了。 dark clouds dispersed.2

频散:  frequency dispersionscattering

频:  Ⅰ形容词(次数多) frequent 短语和例子这儿春季雨很频。 rains are frequent here in spring.Ⅱ副词(屡次) frequently; repeatedly 短语和例子捷报频传。 reports of new victories keep pouring in.Ⅲ名词1.[物理学] (物体每秒钟振动的次数) frequency 短语和例

Example Sentences:

	1.	When the source frequency increases , the dispersion and the attenuation of signals become great , but the resolution is better 当声源主频增大时，波形频散现象较严重，幅度衰减较大，但探测能力增强。
	2.	Firstly , the multiple modes and dispersion nature of ultrasonic lamb wave are investigated in theory . furthermore , optimization of excitation signal is performed experimentally with the four parameters : the transport mode , the center frequency , the amplitude and the number of the wave ’ s peak value 本文首先从理论上分析lamb波的多模式和频散现象,在理论基础上结合实验在传播模式、中心频率、信号幅值、波峰数等几个方面对lamb波进行优化。
	3.	It shows that when wave propagates along axis direction , the displacements of radial , axis direction and the change of electric field are coupling each other , and there is dispersing phenomenon , and the displacement of circle direction can figure out independently , it has not dispersing phenomenon 发现当波沿着圆柱壳体轴向传播时，物质的径向运动轴向运动和电势的变化相互耦合，伴有频散现象但是扭转运动可以独立表示，并且同电场无关，无频散现象。
	4.	Finally , some important conclusions were drawn , that is , using distributed pzt transducers , ultrasonic guided waves are generated and received in a pipe . usually , there are many different modes of guided wave propagating in the pipe and these modes are generally dispersive , the specific exciting signal of a harming windowed toneburst with a central frequency of 70khz for decreasing the effect of dispersion was selected . and guided wave are generated using 16 distributed pzt transducers in a circumferential direction for suppressing flexural modes 首先，对当前本课题研究领域的进展作出综述，并简要介绍与超声导波技术相关的理论基础；其次，建立了一套有效的实验装置，在此实验装置基础上，重点研究了采用分布式pzt传感器在管中激励和接收特定模态超声导波的方法：根据在管状波导中传播的超声波具有频散现象及多模态特征，选择具有单一频率的特定信号激励超声导波，使其频散最小；同时采用分布式传感器抑制不同模态的波型。

Similar Words：

"频散量度" English translation, "频散媒" English translation, "频散媒质" English translation, "频散特性，声音分布" English translation, "频散体波" English translation, "频散线" English translation, "频散张量" English translation, "频扫天线" English translation, "频扫阵列波束指向" English translation, "频闪" English translation