提出了一种具有高的时间和空间分辨率以及长的测量持续时间的动态波前相位测量方法。
A dynamic wavefront phase measurement with the features of high temporal and spatial resolution, and long measuring lasting time was proposed.
磁场非均匀性测量方法和设备，相位校正方法和设备，以及磁共振成像设备。
Method and device for measuring inhomogeneous magnetic field, method and device for phase calibration, and magnetic resonance image apparatus.
目的探讨相位对比法mri测量中心肺动脉各血管的血流速度和血流量的准确性以及临床应用价值。
Objective To assess the accuracy and application values of phase-contrast MRI by measuring the flow velocity and volumes of the central pulmonary arteries.
目的探讨相位对比法MR I (PC -MR I)测量肺动脉血流的准确性以及临床应用价值。
Objective To investigate the accuracy and applied value of measurement of pulmonary flow velocity with phase-contrast MRI (PC-MRI).
本文给出测试系统原理图、脉间频率和相位稳定度测量方法以及时域、频域测量结果。
This paper gives the principle diagrams of the measurement system and some methods of measuring the stability of inter pulse frequency and phase. The measurement results in time...
本文中所研究的基于单片机的自准同期并网装置能够精确的测量出两侧的电压、频率、频差以及相位角的变化。
The Quasi-synchronizing parallel devices based on SCM can measure the change of the voltage, frequency and different phase in this article researched.
本文中所研究的基于单片机的自准同期并网装置能够精确的测量出两侧的电压、频率、频差以及相位角的变化。
The Quasi-synchronizing parallel devices based on SCM can measure the change of the voltage, frequency and different phase in this article researched.
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