Using step surface data for wave equation simulation of seismic data can produce serious interference at corner points of steps and further affect the results of numeric simulation.
利用阶梯状地表数据对地震记录进行波动方程模拟时,在阶梯的角点处会产生严重的干扰,进而影响数值模拟结果。
The mathematical models and their limitative condition of radar electromagnetic wave propagated in interference region, intermediate region and diffraction region are set up respectively.
分别建立雷达电磁波在干涉区、中间区和绕射区传播的数学模型和它们适用的边界条件。
In the application of above 24V fort current voltage grade control circuit, Voltage Alternating and resonant wave interference of input model for Programmable Logic Controllers must be resolved.
可编程控制器在高于24V的直流电压等级控制回路中应用时需解决输入模块的电压变换和谐波干扰等问题。
This paper discusses the method of suppressing the interference of stationary wave.
这里讨论了压制这种驻波干扰的方法。
The harm of the high degree harmonic wave in power system was introduced and the selection of prevention and the measure of controlling the harmonic interference were put forward.
本文简要介绍电力系统中高次谐波的危害,以及选择的防治、抑制谐波干扰的措施。
The interference wave has strong energy over whole time period of seismic records, and its frequency, phase and amplitude can be basically considered to maintain invariable.
这种干扰波在地震记录的整个时间段上具有很强的能量,并且其频率、相位和振幅可认为基本保持不变。
The surface wave is treated as interference wave in oil seismic prospecting, however, the Rayleigh wave, like the refraction and reflection waves, contains the information of underground medium.
在石油地震勘探中,面波一般是作为干扰波处理的,然而,瑞利面波也和折射波、反射波一样包含有地下介质的信息。
Using white noise to drive shaping filter, the interference model of wave is acquired on the basis of stable stochastic process theory, and the simulation results are satisfactory.
根据平稳随机过程理论,利用白噪声驱动成形滤波器,获得海浪的干扰模型,并得到了令人满意的仿真结果。
The most major advantage of the method lies in the fact that only the interference wave with single frequency can be suppressed, and the loss of useful signal is very limited.
本方法的最大优点是仅对单频干扰波进行有效的压制,对有效波的损失很小。
For simulating the movements of various ship types, it is required that the inertia moment, damping moment and wave interference moment of simulation stand can be adjusted.
为使摇摆模拟台能够模拟各种类型船舶的运动,要求模拟台的转动惯量、阻尼力矩和波浪干扰力矩都是可调节的。
It is found that the density structure of one dimensional interference fringes of Bose Einstein condensates is in form of a standing wave.
发现玻色爱因斯坦凝聚体的一维轴向干涉条纹的密度分布是一种驻波状结构。
Nature of Light, Geometrical Optics, and Gaussian Approximation, Wave Optics, Interference of Light, Coherence, Polarization of Light, Diffraction of Light.
光的性质、波动光学、几何光学及高斯近似、光的干涉、相干性、光的偏振、光的绕射、一些重要的应用实例。
Standing wave is parasitic effect of exposure, generated by multi reflection and interference of rays vertically incident upon parallel medium layers.
驻波是曝光中的寄生效应,是光线垂直入射到不同的平行平面介质层之间,经多次反射并干涉形成的。
Fringes are formed when the optical difference (OPD) between a reference wave front and a test wave front based on the interference of light is an integral multiple of the illuminating wavelength.
测试中,当测试波前相对于参考波前的光程差是照明波长的整数倍时形成干涉条纹,由此而形成的二维图就是干涉图像。
Beside filtering interference signals and extract effective signals, it is a difficult problem to study the separation of multi-signal of sound wave and vibration.
在实际测量过程中,除了过滤干扰信号,提取有效信号外,多振动源信号分离是本文研究的一个难点。
The key to achieving initiative control of vibration damage by means of wave interference is to ascertain reasonable delay time interval.
用微差干扰降震法实现爆破震动灾害主动控制的关键在于确定合理的微差延期时间。
How to improve the measurable accuracy of wavelength of light wave in biprism interference of light is discussed in this paper, and a simple, efficient experimental way is derived.
该文就提高双棱镜干涉测波长的测量精度问题展开探讨,并提出一种简单而有效的实验方法。
Flow field of shock wave passing by right Angle and wedge is analyzed using numerical method and numerical interference technique combining with experimental interferograms.
使用数值计算方法和数值干涉技术并结合实验干涉图片,分析了激波过拐角绕楔形物体运动的流场。
A real time holographic testing method of transparent objects by using the interference pattern formed by the reconstruction of the reference wave and the original reference wave is introduced.
介绍了实时全息术检测透明物的一种新方法,它采用物光再现的参考光和参考光通过全息图的直透光所形成的干涉图纹检测透明物体的变化。
A method for suppressing the interference of close-in targets for pseudo random code continuous wave (PRC-CW) radar is discussed to improve the radar's performance.
为提高伪随机码连续波(PRC - CW)雷达性能,讨论了近距离目标干扰抑制方法。
Method The improvement of coherent averaging method of Reducing respiratory Interference was discussed, and evaluation-fitting respiratory wave and filter of Chebyshev's polynomial as presented.
方法首先讨论了对传统抗呼吸干扰的相干平均法改进,同时提出了估计拟合呼吸波和时域切比雪夫正交多项式消除呼吸干扰的方法。
The practice proves that this circuit is effective for separation of high-frequency square wave signals and peak pulse interference signals.
实践证明:该电路能有效地实现高频方波信号与尖峰脉冲干扰信号的信噪分离。
A more exact method of measuring loss of half-wave in thin-film interference is introduced.
本文介绍了一种更为确切的讨论薄膜干涉的半波损失方法。
Frequency hopping technology has served in all kinds of communication systems with its excellent interference resistance ability, especially in short wave communication system.
跳频通信技术因其具有良好的抗干扰能力而被广泛应用于各类通信系统中,尤其是短波通信中。
A phase interference method, for measurement of the relative change of surface acoustic wave velocities, is presented.
本文提出了一种相位干涉法。用来测量表面声波速度的相对变化。
Results: spike wave, sharp wave and other interference wave were not found in activity of finger and toe.
结果:手指、足趾活动均未见棘、尖波或其它干扰波。
The inefficient single wave harmonic drive caused by interference of tooth profiles has not been solved by exact theoretical analvsis; Screw is used in the paper as mathematical tool.
齿廓干涉引起单波谐波传动失效的问题迄今没有精确的理论分析方法。
As a major interference source to the pressure fuze of the underwater ordnance, the research of chaos character to the wave hydrodynamic pressure is important.
海浪水压场作为水中兵器水压引信最严重的干扰源,对其混沌特性进行研究具有极为重要的意义。
As a major interference source to the pressure fuze of the underwater ordnance, the research of chaos character to the wave hydrodynamic pressure is important.
海浪水压场作为水中兵器水压引信最严重的干扰源,对其混沌特性进行研究具有极为重要的意义。
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