查询词典 inverse calculation

In the numerical calculation of electromagnetic transient response, the G-S transform method is used frequently for inverse Laplace transform.

在电磁场瞬变响应的数值计算中，常采用G-S变换法作逆拉氏变换。

Results of calculation example show that using the proposed model, higher forecasting accuracy can be achieved by use of less historical data; the obtained forecasting parameters not only can be used to evaluate the wind resource of wind farm, but also by use of inverse operation of probabilistic distribution the wind speed sequence that consists with the forecasted parameters can be obtained.

算例结果表明，该模型可以用较少的历史数据获得较高的精度，而预测所得的参数既可以用来评估风电场的风资源，又可根据概率分布的逆运算得到符合预测参数的风速序列。

How to calculate the synthesis operator is the key problem of controlled illumination prestack depth migration. In this paper the inverse time focusing operator is synthesized based on the traveltime calculation method of finite difference approach, and with this synthesis operator the authors calculate the focusing point controlled illumination prestack depth migration using Fourier finite difference. The test results of Marmousi model show its effectiveness and the great advantage of improving computational efficiency.

进行控制照明叠前深度偏移的关键是合成算子的选择，笔者基于有限差分的走时计算方法合成了逆时聚焦算子，基于该合成算子利用傅里叶有限差分法进行了聚焦点控制照明叠前深度偏移，针对Marmousi模型的试算结果表明了该方法的有效性及其在提高计算效率方面的巨大优势。

Note that regularized problems are usually defined in an infinite setting and have to be discTetized for an implementation and there have been many comparatively adult methods of calculating singular system. Therefore, there is no need to avoid the calculation of singular system in inverse problems calculating of numeric value. Here TSVD Regularization Method is very simple and quite effective one.

考虑到反问题的数值计算需要将问题离散化，化为有限维的问题来进行处理，而对于有限维算子的奇异系的计算已经有了相当成熟的各种算法，因此在反问题的数值计算中没有必要避开奇异系的计算，此时TSVD正则化方法是十分简单并相当有效的正则化方法。

Sir Isaac Newton's magnificent "inverse-square law" is correct in the calculation of magnitude.

牛顿爵士辉煌的"平方反比定律"对力的大小的计算是正确的。

Sir Newton's magnificent "inverse-square law" is the brilliant achievement of his own time and the famous formula is still glittering the talent rays on the interplanetary exploration, in the field of calculation.

牛顿的辉煌的"平方反比定律"是他那个时代的卓越成就，其著名的公式至今仍在计算方面闪耀着天才的光芒，照亮了行星际空间的探索。

Then a four-node element formula is given. In order to avoid the inverse of the flexible matrix, Legendre polynomial is adopted in the interpolation. Thus the calculation efficiency is raised.

为了避免单元柔度矩阵的求逆，采用Legendre正交多项式作为插值函数，将求逆运算转变为矩阵的乘法计算，从而提高了计算的效率。

We propose a new method of inversion by probability tomography and that allows stable reconstruction of the RTP field with a high fidelity even at the magnetic equator. The inverse model for RTP calculation consists of a set of juxtaposed equivalent prisms.

本文基于概率成像技术提出了一种等效物性的反演方法，实现对地下等效场源的反演成像，取得了对低纬度磁异常稳定化极的效果。

In comparison with the HD measured configuration, it can't make full use of all poles. It takes much longer time to inverse only several sounding points, and in the calculation of partial derivatives Jacobian matrix.

与高密度电阻率法测量装置对比，其对电极的利用率较低，仅几个电测深点的反演就需要很长的时间。

For the multisensor systems with uncorrelcted noises,and with unkonw noise varaies.substituting the information fusion noise variance setimators based on the correlct method into the centralized fusion optimal information filter,a self-turning centralized fusion information filter is presenced compared with the self-turning centralized fusion Kalman filter based on the Riccati equation,it can be avoid to compute zhe inverse matrix with high dimension,so that the calculation hurden can be reduced significantly.

对于带未知噪声系统和不相关噪声的多传感器随机系统，将基于相关方法得到的噪声方差带入到集中式融合最有信息滤波器，提出自校正集中式融合信息滤波器。同基于Riccatia方程的集中式融合Kalman滤波器相比它避免了计算高维矩阵的逆，从而减少了计算负担。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。