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- rotational motion artifact 旋转运动伪影
- "As another adantage, because of its rapid acquisition time, FD-OCT aoids motion artifact that can confound interpretation of conentional OCT images. FD-OCT还有一个优点:由于其扫描时间短,FD-OCT避免了在传统的OCT成像中由于运动伪影引起的图像模糊。
- Objective The method of eliminating the motion artifact in the pulse oximetry measurement was studied in order to improve the performance character of the pulse oximeter. 目的研究脉搏血氧饱和度检测系统中运动伪差的消除方法,以提高脉搏血氧仪检测性能。
- This manipulator had decoupled rotational motion around x, y and z axes and employed only revolute joints. 该机构仅由转动副组成,可以实现三个独立解耦的转动自由度。
- After translational motion compensation, rotational motion compensation is needed in ISAR technique. 在ISAR成像中,当完成了运动目标的平动补偿后,还需进行转动补偿。
- Knowing the state of the rotational motion of a system, determine the external forces or external torques acting on the system. 已知质点系的转动运动,求系统所受的外力或外力矩。
- The restoration of rotational motion blurred images with the boundaries of non zero gray values is a study hotshot in the field of image processing. 具有非零灰度边界的旋转运动模糊图像的恢复是图像处理的一个热点研究问题。
- Methods The noise parameter was constructed by using light beat in the pulse oximetry system and the LMS(Least Mean Square) adaptive filter was used to eliminate the effect of motion artifact. 方法通过脉搏血氧仪中的双光束构造噪声参考信号,利用最小均方自适应滤波法消除运动伪差干扰的影响。
- Worm gears are adopted for driving rotational motion along azimuth angle and power screws are used for raising zenith angle. 蜗轮与蜗杆被用来驱动方位角的转轴,仰角的转动则使用螺杆。
- The key to the restoration of rotational motion blurred image is how to restore the image under a low cost and to correct the irreversibility of the degradation function matrix. 旋转运动模糊图像的复原在电视制导、机器视觉等领域有着广泛的应用。
- A lead-screw is a common driving mechanism in machine tools, and it translates rotational motion to linear motion.Nowadays a ballscrew is usually used instead of a lead-screw. 中文摘要导螺杆在机械加工机中为一常见驱动机构,其作用是将旋转运动转变为直线运动。
- Berg, T., &Brouwer, W. (1991). Teacher awareness of student alternate conceptions about rotational motion and gravity. Journal of Research in Science Teaching, 28, 3-18. 张维顺(2004)。数学成长团体下初任教师教学行为转变之个案研究。国立新竹师范学院数理教育研究所硕士论文,未出版,新竹。
- Any plausible ocean flow (fluid currents relative to the ice shell) is unimportant because it will have a much lower velocity than the rotational motion of Europa's surface. 任何似是而非的流动海洋(相对冰层)是无关紧要,因为其速度远低于木卫二表面的转速。
- In this paper, a new post-processing method named inverse iterative correction(IIC)is presented based on the principle of generating MRI rigid trans-lational motion artifacts. 本研究针对MR图像刚性平移运动伪影提出了一个新的后处理方法:逆向迭代修正法(IIC)。
- Conclusion The dual-frequency pneumography and adaptive filter is practicable in respiration monitoring for reducing motion artifacts. 低频与高频呼吸阻抗信号的比值K随着运动强度的增加而增大。
- In the most general case, a single force acting on a body produces a change in both its translational and rotational motions. 在最普遍的情况下,单一的力作用在物体上,使物体的平动和转动都发生改变。
- Objective To study the application of dual-frequency impedance pneumography and adaptive filter for reducing motion artifacts in respiration monitoring. 目的对应用双频率阻抗测试和自适应处理技术相结合的方法消除呼吸阻抗测量中的运动干扰问题进行一些探索性的研究。
- Abstract: Objective To study the application of dual-frequency impedance pneumography and adaptive filter for reducing motion artifacts in respiration monitoring. 文摘:目的对应用双频率阻抗测试和自适应处理技术相结合的方法消除呼吸阻抗测量中的运动干扰问题进行一些探索性的研究。
- At last, Hurst exponent was adopted to describe the stability of axes rotating motion. 最后根据赫斯特指数对该轴回转运动的稳定性进行了描述。
- During sonographic ealuation, the color gain needs to be optimized to maximize the isualization of blood flow, and motion artifacts need to be aoided to preent misinterpretation. 在超声检查中,彩色增益需要优化调整以便最大程度的显示血流,并且要避免因运动伪像而出现误解。