查询词典 inversion formula

By singular value decomposition method, we obtain inversion formula of the generalized Radon transform with weight function, and study the support and range condition of it.

用奇异值分解的方法对带权的广义Radon变换的反演作了讨论，得到了反演公式并对其支集定理和值域条件进行了研究。

The method of FSSP is used to classify corrosion, a feature is extracted for the detection of corrosion, and an inversion mathematic formula to inversely evaluate the depth and volume is derived.

采用"频谱分离点"的方法对腐蚀缺陷进行了分类识别，提取了对腐蚀缺陷进行检测的特征量，得到了对腐蚀缺陷深度和体积进行反演计算的数学公式。

We can obtain the n-dimensional inversion reconstruction formula of the image convolution-back projection by one-dimensional wavelet transform on Radon transform.

在医学上，问题的一种重要方式是从多个X射线投影值获得人体内部的密度分布，这个过程被称为计算机断层扫描。

The simulated data show that the time-lapse seismic AVO inversion is feasible. The formula derived in this paper is effective for discriminating the variations of oil saturation and effective pressure and for improving the precision of time-lapse seismic interpretation.

试验结果表明，在S油田进行时移地震AVO反演是可行的，推导的时移地震AVO反演计算方法能有效地分离油藏含油饱和度和有效压力的变化，真正实现对油藏的定量解释。

The eigenvalues of circulant matrices compose of the discrete Fourier transform of the first line, on the contrary, the elements of the first line can recovered from the Fourier inversion formula, all circulant matrices have the same eigenvector that with the same order.

循环矩阵的特征值由其第一行元素的离散傅里叶变换组成，并且第一行元素是特征值的傅里叶变换的逆，而且所有同阶循环矩阵的特征向量相同。

By means of hydration experiment and immersing by actual drilling fluid in field, the inversion formula of previous acoustictime is setted up based on the acoustictime after hydration and hydration time.

通过实验室水化实验以及矿场实际钻井液浸泡规律建立了基于水化后声波时差和水化时间的原状声波时差反演公式。

Since any approximations, such as numerical Laplace inversion, backward differentiation formula, nonlinear model of switch, do not exist, the new algorithms are accurate.

由于该方法不存在任何极限近似问题（数值拉普拉斯反变换法，后向差分法，非线性开关模型法等），因而它是一种精确计算方法。

Furthermore, the Taylor's expansion of $\varphi(t_1,t_2)$ is given and the relation between chance distribution and characteristic function such as inversion formula is obtained.

此外，我们还给出了特征函数$\varphi(t_1，t_2)$的泰勒展式，得到了机会分布与特征函数的关系式反演公式，唯一性定理，正极限定理，逆极限定理等。

The digital signal method is a discrete deconvolution technology.It uses the shape-factor to create the forward equation of subdivision interpretation,and the discrete signal anti-filtering technology to get the inversion equation and the general formula for numerical solution of quantitative radionuclide content.

本文提出的数字信号法是一种离散反褶积法，它采用形态系数创建分层解释正演方程，利用离散信号反滤波技术求得反演方程及定量核素含量的数值解通式。

The present paper introduced one kind of brand-new transformer measured the warm far biography method -separate method, it has abandoned the tradition the transformer temperature signal by in the remote survey way the biography, the demonstration mentality, but is fully excavates the existing dispatch monitoring automated system the function, the scene transformer temperature signal through the self-made temperature converter, transforms with the transformer temperature correspondence discrete magnitude, far passes to through the RTU remote letter signal the dispatch monitoring end, carries on the demonstration again in the dispatch end using the monitoring software corresponding formula inversion for the warm measure.

本论文介绍了一种全新的变压器测温远传方法-离散法，它摒弃了传统的将变压器温度信号以遥测量的方式上传、显示的思路，而是充分发掘现有调度监控自动化系统的潜在能力，将现场变压器温度信号通过自制的温度变换器，转换成与变压器温度对应的离散量，通过RTU遥信信号远传到调度监控端，在调度端利用监控软件相应的公式再反演为温度量。

I want to be a big fish in a small pond.

我要做一条在小池塘里的大鱼。

While the software functioned well, we did not feel the same about their customer support!

虽然该软件运行良好，我们没有同样的感觉他们的客户支持！