推导出球体、无限长水平圆柱体、无限和有限延伸垂直台阶的重力异常余弦变换谱及反演表达式。
Formulas of inversion and cosine transform spectrum of gravity anomaly of sphere, infinite horizontal cylinder, infinite and finite stretched staircase were deduced.
在速端曲线法的应用中，一种最有用的变换是反演变换。
A transformation that is most useful in the application of the hodograph method is the inversion transformation.
并利用共轭、互易、反演点对变换方法图解高斯光束传输变换特性。
The conceptions of conjugation, exchange and inverse evolve point pair are used to explain the transformation properties of Gaussian beam.
本文根据空间反演变换的原理，运用画法几何的方法，对空间曲柄滑块机构滑块行程的确定，提出了一种新的图解法。
Based on the principle of the spatial inversion, this paper proposes a new method of determining the stroke of the slide block of the spatial slider-crank mechanism by way of descriptive geometry.
综合孔径辐射计利用孔径综合原理在空间频率域中采样，通过傅立叶变换或其他数学变换获取反演亮温图像。
Synthetic aperture radiometer applies the interferometric principle to sample in the spatial frequency domain and retrieves the image by Fourier or other numerical transformation.
拉冬变换在地震勘探领域有广泛的应用，如压制多次波、纵横波分离、地震偏移及反演等。
Random transform has been widely used in seismic exploration, for example, suppression of multiple, separation of P- and S-waves, seismic migration and inversion etc.
提出利用 余弦变换，研究 规则体重力异常谱特征及反演方法。
The paper proposed the characteristics and inversion method of gravity anomalies spectrum using cosine transform.
本文通过螺旋对空间旋转的变换性质的讨论，给出了简洁的变换关系式。此外，还讨论了螺旋对空间反演的变换性质。这些对于螺旋场的研究都是有益的。
In this paper we shall give the short transformation formulas by discussing transformation property of screw for space rotation, and also discuss transformation property for inversion.
利用数值拉氏 变换和反演 变换拟合了200多口井的实测试井曲线，确定其各划分段的时间界线，并编制了实用软件。
The testing curves of 200 wells are matched by using Laplace transform and inverse operation to determine the time-limit of each stage and the practical software is also edited.
为了提高反演精度，研究中对反射率进行了包括对数、倒数、微分等形式的多种数学变换。
To improve the retrieval accuracy, Research conducted on the reflectivity including the number of countdown, the form of a variety of differential mathematical transformation.
在有心二次曲线的反演定义、变换式的基础上，推导出此种反演变换的一些性质，通常的关于圆的反演的性质可作为它的特例而得到。
In this paper, we discuss some properties of the reversion for central quadratic curve on the basis of general reversion definitions and its transformations.
在有心二次曲线的反演定义、变换式的基础上，推导出此种反演变换的一些性质，通常的关于圆的反演的性质可作为它的特例而得到。
In this paper, we discuss some properties of the reversion for central quadratic curve on the basis of general reversion definitions and its transformations.
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