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正演计算     
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  forward calculation
     First of all, the relief of the first layer must be known, andthen the field value of the first field interface is gained by forward calculation.
     该方法是在知道第一层界面起伏情况下,通过正演计算出第一场界面的场值,然后再由总场值减去正演的第一层场值,最后反演下一层界面。
短句来源
     APPLICATION AND IMPROVEMENT OF FINITE-ELEMENT METHOD IN FORWARD CALCULATION OF GEO-ELECTROMAGNETIC FIELD
     有限元法在大地电磁场正演计算中的应用及改进
短句来源
     Seismic wavelet is an important parameter sequence for both the forward calculation and the inversion of seismic records.
     无论是在地震记录的正演计算或反演过程中,地震子波都是一个十分重要的参数序列,如果子波不准,则正演结果就不精确,与实际地震资料也难以吻合;
短句来源
     It is thought that under normal eonditions a vertical line unite formula replaces a cubic formula in forward calculation, thus increasing the speed of calculation about 20 times besides assuring certain calculation precision.
     其结果表明,在通常情况下,用直立线元公式代替立方体公式进行正演计算,除保证一定计算精度外,还可提高计算速度近20倍。
短句来源
     The phases of direct P, S and converted SP waves in the displacement seismograms, produced by twice integration of the observed accelerograms, are identified via forward calculation using Green's functions for homogeneous semi-infinite elastic medium, and used in the inversion.
     以均匀半无限弹性介质的格林函数解释路径效应,并通过正演计算识别由两次积分得到的位移地震图中的直达 P 波、直达 S 波和 SP 转换波震相,然后用这些震相进行矩张量反演.
短句来源
更多       
  forward computation
     Forward computation of high order derivative of gravity anomaly relating to complex geologic body
     复杂形体重力异常高阶导数的正演计算
短句来源
     Fast Algorithm for Forward Computation in Media with an Arbitrary Number of Planar Layers
     任意平面分层介质中正演计算的快速方法
短句来源
     The method takes two essentia1 measures:. Improve the forward computation accuracy by making steep-dip approximation of the diffraction term equation.
     该方法中主要采用两点措施:①通过衍射项方程的陡倾角近似,提高正演计算的精度;
短句来源
     The forward computation of 2D geoelectric models are done on the Universe-68 micro-computer.
     针对实际计算中存在的困难,采取了一些必要措施,并在宇宙68微机上实现了二维模型的正演计算
短句来源
     It is of interest for interpreting the thin-bedded AVO anomaly to calculate the equation of reflection coefficient in the solid multilayered medium as derived in the paper and based on which to write the reflection forward computation program.
     文中推导的固体多层介质情况下计算反射系数的公式及据此编制的反射波正演计算程序对于薄层AVO异常的解释是有意义的。
短句来源
更多       
  directive calculation
     Spectral method is one of the most popular methods for TEM directive calculation.
     频谱法是瞬变电磁法正演计算中常用的计算方法之一,其关键在于内层含贝塞尔函数的积分计算。
短句来源
  direct calculation
     Considering the influence of the topography, the authors analyzed in detail the geoelectric section model and made CSAMT two-dimensional inversion for the direct calculation data of the model. The result is basically consistent with the shape of the direct model. The electric section obtained can satisfactorily reflect the underground geological structure and accord with the geological data.
     复杂地形严重地影响可控源音频大地电磁测深(CSAMT)的解释结果,为此,笔者考虑了地形的影响,将地电断面模型经过精细剖分,对模型正演计算的数据进行CSAMT二维反演,得出的结果与正演模型的形态基本一致,获得的电性断面能很好地反映地下地质结构,与实际地质资料相吻合,证实了该方法的正确性和有效性。
短句来源
     It takes advantage of the reverse projection technique of seismic wave and electromagnetic wave, and applies the reverse projection of resistivity combined with the utilization of routine algorithm (conductive center method for direct calculation and nonlinear least squares method for inverse revision)so as to carry out the reconstriction of two-dimensional resistivity image.
     介绍了电阻率成像的几种供收方式,借鉴地震波和电磁波的反投影技术,应用电阻率反投影并联合使用常规算法,即导电α中心法作正演计算、非线性最小二乘法作反演修改,从而进行二维电阻率的图像重建。
短句来源

 

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  forward calculation
A 3-D FDTD method with perfectly matched layer (PML) absorbing boundary condition (ABC) is selected for the forward calculation of the scattered field by the buried object.
      
Although the relation between theINTRA-LORE and the wave function is simple, a straight forward calculation is not possible.
      
Preliminary result of 3-D gravitational forward calculation study in Bohai Sea
      
To that end the forward calculation is restarted from suitably placed checkpoints leading to a more or less complicated reversal schedule.
      
In the forward calculation, estimates of the unknown material parameters are used to get tentative predictions of the measurements.
      
更多          
  forward computation
Block diagram implementation of the time-recursive algorithm is described, computational complexity with respect to increasing block size is compared with straight forward computation, and the proper time-recursive block size is suggested.
      
This approach avoids forward computation on the complex geometry of irregular grids.
      
A forward computation algorithm continuously computes dynamic slices as statements are executed.
      
As far as we know, no experimental data has been published for forward computation algorithm.
      
As mentioned above, the forward computation algorithms maintain the latest dynamic slice for each variable/location.
      
更多          
  straightforward calculation
The method of digital synthesis is based on the straightforward calculation of the output signal phase used to increase the operation rate and to extend the functional capabilities of digital frequency synthesizers.
      
A straightforward calculation of the average radiative strength functions allows us to conclude that in36ClM1 transitions are weaker than estimated by schematic studies of heavier nuclei.
      
The free surface, mass conserving ocean model leads to a straightforward calculation of these changes.
      
The modelling method could allow for straightforward calculation of the non-respiratory CO2 excretion rate for future validation work.
      
We derive anew the non-trivial relation for the stress tensor that allows a straightforward calculation of the mean stress from discrete element simulations and comment on the applicability.
      
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