| 1. | A dynamic imaging analysis for artistic conception
意境的动态成像过程初探 |
| 2. | 7 . reconstruct dynamic iceit images on physical phantom
对基于物理模型的实测数据进行了动态成像。 |
| 3. | The numerical analysis of systematic modulation transfer function in subpixel dynamic imaging technique
亚像元动态成像技术中系统调制传递函数的数值分析 |
| 4. | The present study was supported by the project of national natural science foundation of china . " 3d dynamic imaging of brain electrical activity "
本论文的研究是在国家自然科学基金重点项目“脑内电活动的三维动态成像”资助下完成的。 |
| 5. | In this thesis , the disturbance method of electrical current field , a new method of electrical impedance tomography ( eit ) , was used for the simulating of dynamic imaging for the brain hematoma
本论文基于一种新的电阻抗成像方法? ?电流场“异物扰动”成像方法，对颅内血肿动态成像方法进行仿真研究。 |
| 6. | ( 2 ) we design a model based on compound electrodes , imaged the different object in diameter , conductance by means of back - project algorithm to imaging the physics model and getting actual poison , clear profile
( 2 )设计复合电极结构的物理模型，采用反投影算法，实现对不同直径、不同电导率、不同个数的物理模型动态成像，成像结果位置准确，轮廓清晰。 |
| 7. | In order to study usefully , both the image motion and the sampling discrete are simulated and the result shows that when the width of target strip is a constant ( 2a ) , the increasing amount of image motion is linear relation to the mtf decreased amount
为了使这种研究更具实际意义，接下来又仿真了像移和采样离散化共同作用下的成像，这实质是ccd探测器的动态成像过程。结论是：当目标条带的宽度一定时(仿真中取2a ) ，像移量的增加幅度与mtf的下降幅度为线性关系。 |
| 8. | According the imaging results of computer simulating models , we can find that the reconstructed conductivity distribution is close to the preset objects and background . the reconstruction error is small and the result conductivity value is quite accurate . the imaging objects are clear and have big contrast to the background
仿真目标的动态成像表明：重构的电导率分布接近于预设的仿真目标和背景，重构误差小，数值较准确：目标图像比较清晰，与背景的对比度较大；背景基本均匀。 |
| 9. | The present study is supported by the project of national science foundation of china , " 3d dynamic imaging of brain electrical activity " and by the project of science foundation of hebei , " noninvasive measurement and functional imaging of brain tissue " we design a primary hardware system of 16 electrodes on the base of the model
本论文的研究是在国家自然科学基金重点项目“脑内电活动的三维动态成像”和河北省自然科学基金项目“脑内组织电阻抗特性的无损检测与功能成像”的资助下完成的。本文设计并实现了一个初步的基于物理模型的16电极eit硬件系统。 |
| 10. | Under the the image motion and the sampling discrete conditions , the other more important result is : under the condition of engineering practice , the orientation between the target strip and the pixel row is parallel or not , the difference amount of mtf is smaller then 1 % , therefore in the engineering , the mtf of the orientation parallel can instead of the mtf of the corresponding case
Ccd探测器的动态成像过程的另一个重要结论是：在工程实际条件下，目标条带与ccd探测器的像元行方向平行与否的两种情况ccd探测器影像的基于模拟实验及计算机仿真的ccd航天相机影像分辨力的研究mtf相差小于1 % ，因此工程应用中可以考虑采用方向平行时的mtf作为相应情况下的mtf值。 |
