1·LSQR and ART algorithms are applied separately to calculate tomography for the underdetermined system of equation.
分别采用 LSQR 和 ART 算法对欠定方程组进行了层析成像计算。
2·One big advance has been in the use of computed tomography angiography.
其中一项业已投入使用的进展是计算机断层扫描血管造影术。
3·Tests, such as a computed tomography (CT) scan, may also reveal signs of injury.
计算机断层扫描等检测也可能揭示损伤迹象。
4·Positron emission tomography (PET) is an emerging modality in lung cancer staging.
正电子放射断层造影术(PET)是新兴的适用于肺癌分期的检查方法。
5·Computerised tomography (CT) scanning has been used in medicine for several decades.
计算机X线断层照相(简称ct)扫描术在医学领域应用已有几十年时间。
6·Radio tomography could be simpler, more accurate and, some might feel, less intrusive.
无线电波层析成象可以更简单，更准确，对某些人来说侵扰程度更低。
7·Study Design. Reliability study comparing computed tomography (CT) to biomechanics.
研究设计：对比CT和生物力学的可靠性研究。
8·His cardiologist put him through a bunch of tests, including a computerised tomography scan.
专家让他做了一些测试，包括电脑断层扫描。
9·The theory and method of regional seismic tomography is analyzed and studied in detail in this paper.
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。
10·After nine weeks of chemotherapy, my brother did a computerized tomography scan, and I was on his side.
做了化疗九周之后，我哥哥做了电脑断层扫描，出结果的时候，我就在他身边。
1·LSQR and ART algorithms are applied separately to calculate tomography for the underdetermined system of equation.
分别采用 LSQR 和 ART 算法对欠定方程组进行了层析成像计算。
2·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.
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。
3·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.
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。
4·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。
5·Acoustic tomography technique has a vast field for application in studying rock and soil mechanics and testing concrete quality.
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。
1·Objective to investigate the changes of the neurosensory retinal thickness in the macula in high myopia eyes by optical coherence tomography (OCT).
目的应用光学相干断层成像(oct)技术探讨高度近视眼黄斑视网膜神经上皮层厚度的变化。
2·Objective to measure the thickness of the neurosensory retina of macula by optical coherence tomography (OCT) in normal eyes to get criterion for clinical practice.
目的应用光学相干断层成像(oct)技术对正常眼黄斑区视网膜神经上皮层厚度进行测定。
3·Positron emission tomography (PET) is one of the most important applications in nuclear medicine and has become a powerful tool for scientific research.
正电子发射断层成像(PET)是核医学中最为重要的应用之一，也是科学研究的强有力的工具。
4·A new signal source for electric impedance tomography system is developed to improve the high-frequency performance and to reduce the noise level of the old one.
目的研制用于电阻抗断层成像系统的信号源，提高现有系统的高频特性，同时降低其噪声水平。
5·Objective: to assess the Reproducibility of the measurement of retinal nerve fiber layer (RNFL) thickness by optical coherence tomography on normal eyes.
探讨光学相干断层成像术检测正常人视网膜神经纤维层厚度的可重复性结果。