目的评价超声心动图对室间隔缺损定位诊断和缺口大小定量诊断的准确性。
Objective To evaluate the accuracy of echocardiography in assessment of the location and size of ventricular septal defect.
在数据处理算法中，在线应用了半正交小波算法进行行波波头的检测，以提高行波定位的准确性。
To improve the location accuracy of travelling wave, the semi orthogonal wavelet algorithm is applied in the data processing to detect the wavefront of travelling waves.
目的定量研究不同神经导航手术中的脑移位，评价术中脑移位对神经导航手术定位准确性的影响。
Objective A quantitative analysis of intraoperative brain shift in neuronavigator-guided surgery was performed to evaluate the impact of brain shift on accuracy of neuronavigation.
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