Globally optimized Fourier finite-difference migration in offset domain.;
炮检距域全局优化傅里叶有限差分偏移
Ground penetrating radar data imaging via the 2D finite-diffrence migration method;
2D有限差分偏移技术在探地雷达信号成像中的应用
Magneto-electrotelluric full frequency segment migration imaging technique and its application;
大地电磁全频段偏移成像技术及其应用
Application of the offset analysis in aluminum electrolysis control;
铝电解控制中偏移分析的应用
From the point of view of the error compensation, the lateral offset error compensation of the sub-reflector is discussed and calculated by applying the best re-pointing technique.
建立40m口径天线结构的有限元分析模型,依据有限元分析结果,对副面和馈源偏离理想位置的偏移量和偏移误差进行分析与计算;从误差补偿角度,运用最佳指向技术对副面横偏误差进行补偿分析计算。
Based on solved the non-liner equations with Monte-Carlo method,this paper have a analysis in the error of the phase shifts when it have some offset of the main beam in antenna pattern and have a group of results of the errors.
文中在运用蒙特卡罗方法求解非线性方程组的基础上,对天线的主波束在一定的偏移下各个移相器取值的误差进行了分析。
In this paper,developed are a method and correspondent software for calculating formation permeability from the center frequency shift and travel time delay in direct Stoneley wave.
利用多极子阵列声波测井资料提取直达斯通利波、计算斯通利波中心频率偏移和时间延迟来进行地层渗透率反演的方法已被研究了多年。
[Objective]To demonstrate the shift of the spinal cord to the concave side of the spinal canal in adolescent patients with idiopathic thoracic scoliosis,to investigate possible cause of the shift of the spinal cord and to explore its clinical relevance.
[目的]揭示青少年胸椎特发性侧凸患者椎管内脊髓的偏移,明确其变化趋势,并探讨其可能的发生机制和临床意义。
This paper deduces the shift of the eletron beam whichhas the effect on the electromagnetical force through the oscilloscope,the unifrom motion underthe electric pressure of the oscilloscope,and the further discussion of the formof the level scanning line.
本文通过对示波器中电子束受电场力作用产生偏移的推导 ,对示波器中锯齿波电压下电子的匀速运动 ,以及水平扫描线的形成作进一步的论
The relationship of loop height difference with deviation of pre-splitting rolled piece during three-strand splitting bar rolling;
三切分棒材轧制活套高度差与预切分轧件偏移
Cause and Countermeasures for girder deviation of curved girder bridge;
弯梁桥梁体偏移成因分析与处治
Analysis on the foundation pit support pile top deviation accident;
基坑围护桩顶部偏移事故分析
It is derived by an analytical method that the optical axis of a system has a deflection of (3+cosβ)δ when the Pechan prism, FBJ-0°, moves a distance of δ along the direction perpendicular to its characteristie one, and the derived result is demenstrated through computation examples.
用解析法推导别汉棱镜ＦＢＪ－０°沿垂直于其特征方向移动δ时，系统光轴发生（３＋ｃｏｓβ）δ的偏移量，并用计算机的计算实例验证该推导结
And the formulas of the railing body and the projectile deflection are given.
将质点相对于地球的运动微分方程组写成状态方程，然后求解这个状态方程，得到该微分方程组的一般解，给出落体偏东和抛射体偏移的计算式。