The research results indicate that at a distance from the knocked end, the 3-d dispersed wave motion can be described approximately with 1-d fixed shape wave.
研究结果表明,在离开敲击端一定距离后,直管中激励出的三维频散波动可以近似地用一维定型平面波描述。
The third chapter and the forth chapter discuss two problems, the first is the analysis of infection under the shape wave, the second is the stability of the thin-wall structure.
第三章与第四章讨论了波浪度的影响和壁厚对薄壁构件稳定性的影响。
The basic principle of new types of protection which present relay protection experts have proposed, such as shape wave protection, non-channel protection and so on, is introduced.
介绍了当前继电保护专家们提出的行波保护、无通道保护等新型保护的基本原理。
The other is simplified crack model, which is used to describe the traverse crack, estimate approximately the free face farther field effect and match with the 1-D fixed shape wave.
其二描述直管的横向裂缝,建立了估算裂缝自由面远场效应、并与一维定型波模型匹配的简化裂缝模型。
This paper expounds the shape classification of strip, analyzes the reasons why the shape wave occurs on the band steel in the cold rolling mill, and probes into the crown control of the band steel.
叙述了带钢的板形分类,分析了在冷轧厂生产中带钢板产生浪形的原因,探讨了带钢的凸度控制。
"If you have a very small glass or a very big glass and you put in the same parameters, you will have exactly the same shape of the wave," Reclari says.
“如果你有一个很小的玻璃杯或是一个很大的玻璃杯,当参数设定一致时,你会恰好的到同一个形状的波形。”莱克·拉里说。
Unlike a normal lens, which compresses or changes the actual shape of a light wave through diffraction, a time lens magnifies or compresses the time of a light wave through dispersion.
不同于通常的透镜通过衍射来压缩或者改变光的形态,时间透镜通过光的弥散放大或者压缩光波的时间。
As a neutrino strikes an atom, the energy of the collision warms the immediate surroundings, causing them to expand ever so slightly and trigger a minuscule shock wave of a specific shape.
当一个中微子撞击原子时,碰撞产生的能量会使周围环境受热,使其发生微小的扩张膨胀,并且触发产生一种形状特殊的微型冲击波。
He suggests using electric motors or shape-memory materials to repeatedly flick the end of a flexible, wedge-shaped wing, creating a wave that ripples backwards and generates forward thrust.
他建议采用电动机或者有形状记忆功能的材料来反复击打软体契形翅膀的末端,让水产生向后的涟漪从而获得向前的推力。
Mr Nahass also expects the merger wave to change shape as the weak dollar makes American firms into attractive targets for both foreign and domestic buyers.
Nahass同样希望这波并购浪潮有所变化,因为弱势美元让美国企业成为国内外买家眼中的香饽饽。
When we look on an oscilloscope a device for visually displaying what a waveform's shape is, we see that adding harmonics to the fundamental changes the shape of the wave.
在我们观察示波器(用来显示波形形态的设备)的时候可以发现,在基频上面增加谐频可以很大程度上改变声音的形态。
Cat whisker a fine metal thread resembling the arched shape of a cat's whisker used in early radio wave detecting crystal sets.
金属细线一种质地良好的金属线,类似于猫的胡须,呈拱形。早期应用于无线电波检测晶体装置。
The way of analytical method is a way by which we can solve to simple room shape and border condition, basing on the theory of wave acoustics.
解析法是基于波动声学理论,对简单房间体形、简单边界条件来求解的方法。
Tesla measured these electrostatic emissions with a particular partially evacuated tube which he could orient as desired and watch the wave patterns change shape.
特斯拉用特制的排空管来测量这些静电排放物,他可以随心所欲地调节和观察波形的变化。
With the principle of 16qam, the text puts forward one scheme which adopts FPGA to realize the hardware circuit of 16qam taking shape FIR digital wave filter.
根据16qam的调制原理,提出一种采用现场可编程门阵列(FPGA)实现16 QAM成形的FIR数字滤波器硬件电路的方案。
Electronic support measure target recognition utilizes basic electric wave parameter, the characteristic of pulse wave shape and the analysis on electric wave received to perform target recognition.
电子支援措施目标识别包括利用基本电波参数、脉冲波形特征和通过对己方电子支援措施电波的接收分析进行识别。
Combining the theoretical analysis, it relate a efficient technology that YAG laser output pulse's temporal wave shape is adjusted with slowly adjusting Q cavity flowing empty.
该文以实验为基础,结合理论分析,叙述了能够对YAG脉冲激光器的输出波形进行有效的时域整形的技术—慢调Q腔倒空方法。
The collagen albumen in cuticular base film and derma is united in wedlock cheek by jowl , derma presents wave shape to also make skin rises and fall subsequently.
表皮的基底膜与真皮中的胶原蛋白紧密结合,真皮呈现波浪状也使得表皮随之起伏。
It is a very complicated problem that is not only related to the shock wave interaction, but also to the shape, size and natural frequency of the ventilation structure.
它不仅与冲击波的作用情况有关,而且与通风构筑物的形状、大小、自振周期等因素有关。
It gives that the wave shape equations of conjugate enclosed grooves and the formation method on the numeric control machine tool.
给出了中心盘、行星盘上共轭封闭槽合形方程序。
The copper pipes are mounted onto wooden slats, forming a wave-like shape.
铜管被安装在木板上,形成波浪的形状。
In this paper, the new wave theory is extended to establish steep wave model, which results in the wave shape with asymmetric surface.
本文将“新波”理论进一步拓展,使之可以应用于陡波模型的建立,得到波峰前后面不对称的波性。
By adjusting to the clearance, the explosion shock wave shape will be controlled and it bases the match design for liner's structure and explosion wave shape.
通过调节飞片与主装药距离来控制爆轰波波形,为进行药型罩结构和爆轰波形的匹配设计打下基础。
In terms of stress wave theory and complex function, analytical solution for the interaction between blasting seismic wave and arbitrary shape underground Chambers is deduced.
根据应力波理论和复变函数方法,建立了求解爆破地震波作用下任意形状洞室动态响应的解析方法。
Venation wave spectrum analysis finds out shape-structure change of mid-frequency signal fluctuation.
脉络波谱图分析查明了中范围(频率)信号波动的形态结构变化。
Similar folds have the same wave shape, but bed thickness changes throughout each layer, with thicker hinges and thinner limbs.
相似褶皱的各岩层有同样的波形,但每一层的厚度均有变化,枢纽处厚而翼部较薄。
This paper in brief introduces the principle and application for the EP which can rectify the wave shape.
本文主要介绍了节能新产品EP波形矫正吸收装置节电的原理及其应用。
The frequency, wave shape and the related properties of the power supply have great effect on micro ECM process.
加工电源的频率、波形等输出特性在很大程度上影响微细电化学加工的效果。
The results of theoretic calculating and real data processing confirm that the reconstructed trace by this method fits the wave shape, amplitude and phase of raw data.
理论计算和实际资料处理的结果表明,用该方法重建的地震道,在波形、振幅和相位等方面与原始数据拟合较好。
Abgstract Through The analysis of measured low strain wave shape curve for pile foundation. The wave characteristics of shallow defeats in pile is shown.
通过对基桩低应变实测波形曲线的分析,说明桩身浅部存在缺陷的波形特征。
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