对所采集的深孔加工过程中的振动信号先进行差分处理,再进行AR建模。
After difference disposal is applied to vibration signals, AR model is applied to signals collected in course of deep hole processing.
通过对电阻率测深数据作数值差分处理,使区域场受到压制而局部场得到突出,并且多个相互叠加的异常也得到分离,有利于解释推断。
To process data of resistivity sounding by numeric difference method will separate all anomalies and it will be beneficial to interpretation and inference.
超过五分之一的雇主(与2008年的点差有一点不同)为员工在沟通交流、团队工作和处理顾客关系的麻烦上而苦恼。
Over one in five employers (a bit more than in a different 2008 survey) struggle with staff who have trouble communicating, working in teams and dealing with customers.
算法二是针对两帧差分图像之间所提供的差异信息过多或过少这两种极端情况,用差影法粗分割对人脸图像进行预处理时失效而提出来的。
The second algorithm is proposed because the method of difference image is not effective when the different information coming from two frames of difference image is too much or too little.
根据三脉冲激光雷达回波信号的特点,对信号进行差分滤波和匹配滤波处理,信噪比提高约1.5倍;
According to laser radar echo characteristic, the difference filter and the match filter were adopted. As a result, the SNR is advanced about 1.5 times.
针对反向计算的如上特点,我们对对流项和扩散项均采取了中心差分的处理方式。
Therefore, the central difference to deal with both the convectional and the diffusion term was adopted.
应用差分能量法和归一化月速率方法处理了江苏省高邮台的地电阻率观测资料。
The ground resistivity data measured at Gaoyou station, Jiangsu province are processed and analysized by using the differences energy and normalized monthly variation rate methods.
本文分析了常用预处理算法的基础上,提出了差分向量无穷范数预处理算法。
After the analyzing the usual preprocessing algorithm, the preprocessing algorithm named the Infinite Norm of the Difference Vector is proposed in this paper.
最后讨论了有限差分紧致格式的边界处理问题,并与用周期边界条件计算的结果进行了比较。
Finally, the boundary treatment of the compact finite difference scheme is discussed and compared with the numerical result with periodic boundary conditions.
应用有限元和有限差分方法对激光热处理过程的温度场、组织场进行了数值模拟计算。
The temperature field and microstructure field during laser heat treatment process were calculated using Finite Element Method or Finite Difference Method.
首先,针对复杂多变的背景,提出了基于帧间差分和背景建模的背景处理算法,达到了抑制背景、增强目标的效果。
Firstly, a background processing algorithm based on inter-frame difference and background modeling is proposed, which has achieved effects of background suppression and target enhancement.
本文详细讨论了模型的差分求解、边界条件的处理方法和井底井筒流体与储层流体耦合的计算。
It was discussed in details that the model by difference method, the treatment of the ambient condition and the calculation of well flow model being coupled with reservoir.
分析了差分方法抑制漂移噪声的原理,提出了相应的处理算法和在石英谐振力敏传感器中应用。
Principle of the differential method depressing the drift noise is analyzed, the algorithm in the quartz resonant force sensor is offered.
差分方程隐式部分采用了LU- SGS方法以避免矩阵运算,对化学反应和振动能量源项采用预处理矩阵以解决刚性问题。
The LU-SGS method is used in implicit part of the difference scheme to avoid matrix operations. The preconditioning technique is used for solving stiffness problem.
该方法用数字差分滤波对采样信号进行处理,提高了信号中的定时分量,从而加快了算法的收敛速度。
In this algorithm, the digital differential filtering (DDF) is used to process the sampled signals, the timing component of signal is improved, and therefore the convergence speed is quickened.
数值模拟计算采用全隐格式差分方法,用水分冻结量的增量处理相变潜热。
The fully implicit difference method was employed, and the latent heat release was handled with the increment of frozen water fraction.
所得的非饱和土壤水运动方程对时间的差分方程,在空间上不仅可用有限元法而且可用有限差分法处理。
The time difference equation derived from unsaturated flow equation can be approximated by Galerkin finite element or finite difference method for space coordinate derivatives.
通过中心差分,建立有关的差分方程,并编写了相应的计算机处理程序。
Thedifferential equation of static force acting on BHA and the computer program to deal with subject mentioned above have been developed.
但差分方法不能处理复杂区域问题,传统有限元方法在处理间断问题时又力不从心。
However, these methods are confronted with some difficulties in solving problems with variable domains or discontinuity.
本文研究了串联差分及双路差分的白光干涉谱数据的基本处理技术。
The basic data processing techniques of tandem and two-path differential white light interfering spectrum were also included in the dissertation.
通过改变边界条件的灰色预测模型对残差进行了分阶处理,使原有协同预测模型的精度和预测准确性更高。
By changing the boundary conditions of the grey forecasting model of the residual Error cent rank processing, Make the original Synergetic prediction model precision and prediction accuracy is higher.
编制全桩位移、内力计算和图形处理有限差分程序。
The finite difference computing and figure processing of displacements and internal forces of piles are programmed.
相邻帧配准差分去除恒星方法,在处理16位灰度图像时,由于高亮度恒星的插值误差大于目标灰度与背景之差,导致差分不能有效去除恒星干扰。
Registration and difference can't exclude stars when processing the 16-bit gray images because interpolation error of high light star is larger than the difference of target and background.
介绍了用于探测对流层大气臭氧的L6 2 5差分吸收激光雷达系统,叙述了该激光雷达的结构、探测大气臭氧的原理和数据处理方法。
The L625 differential absorption lidar (DIAL) is introduced to measure vertical ozone profiles in the troposphere. System structure, measurement principle and data processing are also described.
本研究以自行编制问卷为工具,资料处理以SASPC套装软体计算百分比等级、平均数和标凖差,进行描述统计分析。
The research tool was self-developed questionnaire. The data were analyzed with SAS PC software on percentage, average mean, and standard deviation for descriptive analysis.
将随机输入和观测噪声等维化处理后,建立了结构振动及其控制系统差分方程的统一模式。
The unified differential equation is developed after making the stochastic excitation and observation noise be of equal dimensions.
设计实现了基于差分后谐波检测的微弱信号处理电路、前置放大电路、差分电路、调制电路和光源温度控制电路及电流驱动电路等。
The circuit of Photoelectricity Weak Signal Detection, preamplifier circuit, difference circuit, modulation circuit, optical source thermal control and current drive circuit etc. are designed.
该方法克服了小倾角差分偏移的各种困难,实现了快速、准确的地震资料偏移的高分辨率处理以及地震波传播的数值模拟。
This method solves the shortcomings of small dip difference migration and realizes rapid and accurate high resolution process of seismic data m…
该方法克服了小倾角差分偏移的各种困难,实现了快速、准确的地震资料偏移的高分辨率处理以及地震波传播的数值模拟。
This method solves the shortcomings of small dip difference migration and realizes rapid and accurate high resolution process of seismic data m…
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