The safe probability of ship navigation in random beam wave is studied by the probability density function.
应用概率密度函数研究随机横浪中船舶航行的安全概率。
According to the results of model tests in a regular beam wave, the motion stability, the time history of the motion and the amplitude-frequency response of the parametric roll are investigated.
相据在规则横浪中的船模试验结果，研究了参激横摇运动的稳定性、时间经历和幅频响应，还讨论了横摇阻尼、初稳心高度和波浪等因素对参激横摇运动的影响。
The space-time ripples cause the distance measured by a light beam to change as the gravitational wave passes by, and the amount of light falling on the photodetector to vary.
时空涟漪使得用光束测量的距离像引力波通过那样变化，同时使得落在光电探测器上的光量发生变化。
Time the beam right and the star could be turned, in effect, into an FM transmitter-broadcasting to the universe on the underlying carrier-wave of the Cepheid's pulsation.
只要恰当地控制粒子束的照射时间，该恒星将有效地成为一台调频电台——以“造父变星”的脉冲为基础载波向宇宙广播。
With a tap or a wave, the cards wirelessly beam data to a receiving device on the shopkeeper's counter.
通过拍卡或者将卡挥动一下，可以用无线的方式将（付款金额）数据从卡传输到店铺柜台的接受器上。
Combined wave beam guardrail can be used in narrow central separation belt.
组合波形梁护栏可在窄中央分隔带上使用。
Finally the effect of refractive index gradient on the wave surface quality of laser beam is discussed.
讨论了折射率梯度对传输激光波面质量的影响和波面补偿的可能性。
A little apart from the surf ace, the longitudinal wave beam may exist and propagate parallel to the surface, yet has to connect with its corresponding gliding irrotational waves.
离开固体表面稍远的区域，可以有平行于表面传播的纵波声束存在，但是需要与相应的滑行集散波相互衔接。
Millimeter wave scanners beam radio waves over the body to create a three-dimensional image.
毫米波长扫描仪发射无线电波到人体表面，产生一个三维图像。
It is the gliding irrotational wave pair, not the longitudinal wave beam itself that excites longitudinal wave in mud to generate signal.
激发出泥浆纵波而使接收器获得讯号的是滑行集散波，纵波声束并不直接激发泥浆纵波。
The paper illustrates the characteristics of hollow optical fiber in detail and uses the concept of evanescent wave to explain the beam transmission in interface of hollow and core.
对空心光纤的结构特点做了细致的分析，采用迅衰波场的概念来解释空心光纤纤芯与空心处的传光损耗。
The gliding longitudinal wave contains three parts, longitudinal wave beam, negative exponential gliding ivro-tational wave and positive exponential gliding irrotational wave.
滑行纵波系由纵波声束、负指数滑行集散波和正指数滑行集散波三种成份所组成。
Light waves are synchronized, the beam is a wave train.
光波是同步的，整个光束是一个波列。
Gaussian beam is the asymptotic solution of wave equation concentred at the central ray.
高斯束是波动方程在特定射线附近的高频渐近解。
This article shows how to choose the double frequency crystal in the properties of basic wave beam provided and how to choose the suitable ways of phase match.
本文提供在已知基波光束性能的情况下、如何选择合适的倍频晶体，以及相应的相位匹配方式。
In the long run, the raw material of the corrugated beam guardrail plate should be chosen as the substitute of the new energy Here are the wave beam guardrail plate co.
长期来看波形梁护栏板原材料应选择新能源做替代作用的内容有哪些呢？
Yet the advancing longitudinal wave beam expands continuously towards the surface, and produces new gliding irrotational waves with it.
但前进中的纵波声束不断向表面扩散而产生出新生的滑行集散波。
Through adding varactors, a new structure is introduced and it realizes controllable wave-beam of fixed frequency which is better for practical use.
文章提出一种新型结构，通过加入变容二极管，实现了在固定频点上波束可控，更适于实际应用。
The results of flat-top wave beam and cosecant square wave beam, which are gained using this method, are fairly good, testifying this method is effective in beam shaping of conformal arrays.
运用此方法得到共形圆柱阵列的平顶波束和余割平方波束方向图，效果较好，证明此方法对于共形阵列是有效的。
Third-order susceptibility has been determined by the ratio of the input probing beam in tensity to the backward wave intensity in four-wave mixing.
通过测量后向反射波与入射波的强度比，可以确定介质的三阶极化率。
The energy loss of the gliding irrotational wave pair is made up by the longitudinal wave beam.
滑行集散波由于激发泥浆纵波而受到的损耗，要由纵波声束给以补充。
It is pointed out that this effect can be used to enhance the interaction efficiency between the electron beam and the wave.
文中指出，可以利用动量矩效应作为一种提高注波互作用效率的新方法。
For soft beam-stiff half space system, wave speeds in beams are also critical velocities.
对软梁-硬半空间系统，梁的剪切波速和压缩波速也是临界速度；
Using this method, we can get elliptical wave of any axes ratio from a beam of linear Polarized electromagnetic wave.
用这一方法可以简便地将线极化电磁波转变为椭圆极化波或圆极化波。
Additionally, a wave-shaped beam of aeroplane structure is optimized and the influence of wave number on the structural buckling stability and stiffness is discussed.
然后通过飞机结构中一种波形梁构件的优化，进一步讨论了波形梁的波数对结构稳定性和刚度的影响。
The wave beam can be efficiently radiated from a conveniently short Antenna.
波束可以从一根使用方便的短天线上有效地发射出去。
The radiation patterns of the antenna are analyzed, and the formulas to estimate the wave beam parameters and to design the antenna are provided.
详细分析了天线的辐射特性，给出了天线辐射波束相关参数的估算公式和天线设计公式；
Since the slow-wave system is the core of beam-wave interaction in TWT, the function and performance of it directly determines the capability of the TWT.
在行波管中，慢波系统是进行注波互作用实现能量交换的核心部件，其性能优劣直接决定了行波管整体的性能。
Since the slow-wave system is the core of beam-wave interaction in TWT, the function and performance of it directly determines the capability of the TWT.
在行波管中，慢波系统是进行注波互作用实现能量交换的核心部件，其性能优劣直接决定了行波管整体的性能。
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