作者在本文中提出了一种层析成像的正演和反演方法。
A new forward modeling and inversion method of geophysical tomography are presented in this paper.
因此，我们研究了利用走时及其梯度进行联合层析成像的方法。
So we research the reflection tomography from travel-time and its gradient data.
光学相干层析成像技术(oct)是一种对物体进行层析成像的新技术。
Optical Coherence Tomography (OCT) is a new technology concerned with obtaining cross sectional images of objects.
本文方法可用于横向各向同性介质的深度偏移及地震层析成像的深入研究。
The extended ray tracing method can be applied to further researches on depth migration and seismic tomography for TI media.
解释时根据深地震测深和面波频散层析成像的结果，用二维模型进行正演拟合。
According to the results of the deep seismic sounding and surface wave dispersion tomography, a two-dimensional model is used to do the match in the interpretation.
随着光子进入组织深度的增加，漫散射光学层析成像的深度敏感性呈现指数下降分布。
The sensitivity of diffuse optical tomography (DOT) imaging exponentially decreases with the increase of photon penetration depth, which leads to a poor depth resolution for DOT.
叙述了光学相干层析成像技术的基本原理，特别介绍了实现光学相干层析成像的两种方法。
This paper introduces the basic principles of the technology of optical coherence tomography and its two implementation methods.
对从背景噪声提取格林函数的理论，频散曲线的测量和反演，以及面波层析成像的理论和方法进行了研究。
Studied the theory about extracting Green Function's from ambient seismic noise, dispersion curve measurement and inversion, and surface wave tomography.
该文采用最小旅行时和SIRT法，对煤田中的地应力异常地震层析成像的方法进行成像研究，具有一定的理论价值和现实意义。
This paper, using the least travel time and SIRT method, study on the seismic tomography of stress abnormal in coal field. These have some theoretical and practical values.
举例来说，如果不用核磁共振成像扫描和计算机层析成像扫描，而用简单的血液检查能够查出严重疾病，那就能节省费用和医疗资源。
For example, if asimple blood test could be developed to rule out a serious problem without anMRI or a CT, it would save loads of money and resources.
公平地来说，CT（计算机层析成像扫描）的检查结果通常比高级外科医生的诊断观点更为正确，对于病人们也更具有意义，因为你总是希望医生在给你做手术前有百分百的把握。
In fairness, CT results can be often better than even a senior surgeon'smedical opinion. It also makes sense for patients: you want your surgeon to bedarn sure before they operate on you.
本文对近震层析成像技术的理论与方法进行了详细地分析和研究。
The theory and method of regional seismic tomography is analyzed and studied in detail in this paper.
这些结果的得出主要是通过作者编制的层析成像系统来完成的。
All the results are gained through the Computed Tomography System, which is authorized by the author.
本文给出一种适用于现场实时处理的钻孔电磁波层析成像方法。
A borehole electromagnetic wave tomographic imagery method suitable for on-the-spot immediate processing is presented in this paper.
介绍了X射线荧光层析成像技术的成像原理及其在微量分析领域中的应用。
The imaging principle of X-ray fluorescent tomography and its application in microanalysis field are introduced simply.
电容层析成像技术中图像重建算法的准确与快速是其在工业实际中得以应用的关键。
The speediness and accuracy of image reconstruction algorithm in electrical capacitance tomography are the keys to its application in industries.
数值模拟和试验研究表明LTI改进算法是一种有效的射线追踪方法，能追踪回波，适合复杂对象的层析成像。
Numerical simulations and experiments show that improved algorism of LTI is effective to trace rays including back waves and suitable for computerized tomography to complex object.
在分析电容层析成像基本原理和图像重建算法的基础上，提出一种结合正则化优化修正的共轭梯度算法。
Based on the analysis of basic principle of electrical capacitance tomography and the image reconstruction algorithm, a conjugate gradient algorithm with optimized regularization is proposed.
用自开发的有限元仿真软件包模拟计算电极对间的电容值，确定12电极电容层析成像系统的灵敏场分布。
A finite element simulation software is developed, which is used to calculate capacitance between electrodes and define the sensitivity distribution of 12 electrode capacitance tomography system.
利用声波层析成像技术可以获得测区混凝土的波速分布图，确定异常区的位置、尺寸，推断缺陷的类型、强度。
With Ultrasonic ct technology (UCT), we can gain velocity distributing, identify location and dimension of abnormal concrete regions, conclude the type of defect and the intensity of defect.
基于此目的，双敏感电极阵列的电阻层析成像系统被设计和开发，此文着重讨论其优化设计和实验测试结果与分析。
Based on this idea a dual sensing plane ERT system was developed by the authors. This paper focused on optimum design of the system and analysis of experimental results.
对光学相干层析成像挂术的现状、存在的问题、新进展和临床医学上应用也进行了讨论。
The following contents of the technology are also presented, including its present situation, existent problems, new programs and applications in clinical medicine.
声波层析成像技术在岩石力学研究、混凝土质量检测中有广阔的应用前景。
Acoustic tomography technique has a vast field for application in studying rock and soil mechanics and testing concrete quality.
采用代数重建算法处理由电容层析成像系统所采集的投影数据可以获得较高质量的图像，但其耗时较多。
Algebraic reconstruction algorithm (ART) is used to process projections from electrical capacitance tomographic systems and to reconstruct high qualitative images, but it need more time.
电容层析成像技术是多相流参数检测领域中的一门新技术，在工业中有着广阔的应用前景。
Electrical capacitance tomography (ect) technique is a novel technique used in parameter measurement of multiphase flow and has a wide application prospect in industry.
数值模型和野外资料的反演结果表明，该方法可靠稳定，收敛性好，层析成像结果的精度较高。
Inversions on numerical model and real data showed that the method is reliable, stable and convergent, and the inverted results are of high precision.
本文首先研究了扩散方程作为光学层析成像问题的正向模型的精确性及其适用条件。
In this thesis, the accuracy and the validity conditions of the diffusion equation as a forward model for the optical tomography was firstly studied.
地震层析成像结果揭示了张北地震区的构造特征。
Result of tomography reveals the structural features of Zhangbei earthquake region.
最后给出对实验信号的层析成像处理结果。
Finally, we give tomography processing results of experiment signals.
最后给出对实验信号的层析成像处理结果。
Finally, we give tomography processing results of experiment signals.
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