The storage system has many advantages as follows: real-time processing, good imaging quality, high signal to noise ratio, and it can be used repeatedly.
实验表明存储系统具有实时处理，成像质量好，信噪比高和能反复使用等优点。
As for the choice of the microwave irradiation frequency, the trade-off must be made in order to insure the penetration depth of the microwave signal, imaging contrast and signal-to-noise ratio.
为了同时兼顾穿透深度、成像对比度和信噪比三方面的需要，选择微波辐照频率时应该采取折中选取的原则。
Then the effects of the voxel size, the geometrical mapping of the projection matrix and the ratio of detector size to imaging object size, on the spatial resolution were discussed.
同时还讨论了体素尺寸、几何映射获取投影矩阵以及探测器尺寸与成像物体尺寸比值对断层图像空间分辨率的影响。
Objective To evaluate the clinical value of tissue Doppler imaging(TDI) and pulmonary venous flow spectrum in the assessment of left ventricular diastolic function by E/A ratio.
目的通过组织速度图舒张时间、肺静脉频谱及二尖瓣环E/A比值评价冠心病患者左室舒张功能。
Objective to study the imaging manifestation of nonmetal foreign body in trachea and bronchus, and to increase the early diagnosis ratio.
目的探讨气管、支气管非金属异物的影像学表现，提高对该病的早期诊断率。
The application effect of the hyperspectral imaging system heavily relies on the signal to noise ratio.
高光谱成像系统的应用效果非常依赖仪器获取图像的信噪比。
Point spread function (PSF) and Strehl ratio (SR) are used to evaluate the imaging quality of the system with different defocus parameters.
通过分析点扩散函数、斯特列比和离焦量的关系来评价三种不同掩模板对光学系统成像质量的影响。
High field strength MR imaging offers better signal-to-noise ratio (SNR), which can shorten imaging time, but a speedier exam comes at the price of several technical difficulties. Dr.
高场磁共振具有更高的信噪比，可以缩短检查时间，但是更快的检查面临几项技术难题。
The influence of imaging magnification and the ratio of object dimension to object-to-collimator distance on imaging efficiency was investigated as well.
最后还分析了放大倍数以及物体尺寸相对于物距的大小对探测效率的影响。
It has dynamically focusing, imaging detecting, detecting objects in complex shapes, improving the detection sensitivity, resolution, signal to noise ratio and many other advantages.
它具有能进行动态聚焦、可进行成像检测、可检测复杂形状物体、能提高检测灵敏度、分辨力和信噪比等多项优点。
It has dynamically focusing, imaging detecting, detecting objects in complex shapes, improving the detection sensitivity, resolution, signal to noise ratio and many other advantages.
它具有能进行动态聚焦、可进行成像检测、可检测复杂形状物体、能提高检测灵敏度、分辨力和信噪比等多项优点。
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