动态资料的评价参数包括：早期增强率、时间信号强度曲线类型以及病变的形态学特征。
The parameters for evaluation in dynamic contrast enhanced MRI included early enhancement rate, time signal intensity curve pattern and lesion's morphological features.
分析实质增强灶数量、形态、早期增强率和时间信号强度曲线形态并与良恶性病变比较。
Morphology, early phase enhancement rate, and signal intensity time course of the contrast enhancing areas in volunteers were investigated and compared with that of benign and malignant lesions.
增强后梗塞心肌信号率既高于增强前也明显高于其周围的正常心肌。
After enhanced, the signal intensity ratio of the infarcted myocardium was significantly higher than both that before enhancement and that of the normal.
结论使用超声造影剂可明显增强颅内血管信号强度，提高颅内动脉瘤的检出率。
Conclusions Ultrasound contrast agent Levovist improves signal of blood flow obviously. It increases the diagnostic accuracy for intracranial aneurysms and the level of confidence.
在光谱成像的光谱分辨率增强技术中，对振幅衰减干涉信号的线性预测是其中的关键之一。
In spectral resolution enhancement the linear prediction of exponentially decaying sinusoidal superposition signal is one of the key technologies.
搭建实验系统，从改善系统信噪比、提高信号分辨率和增强对瞬变信号的处理能力等方面进行实验测试。
By experiment, data is tested in the areas of improving signal to noise ratio, ameliorating signal resolution, and enhancing the processing capacity of the transient signal.
深反射地震资料处理的关键是从干扰背景中提取和增强深层弱有效信号，提高剖面的信噪比和分辨率。
The present paper has dealt systematically with a practical and effective deep reflection seismic technique—small-scale wide line reflection seismic technique.
深反射地震资料处理的关键是从干扰背景中提取和增强深层弱有效信号，提高剖面的信噪比和分辨率。
The present paper has dealt systematically with a practical and effective deep reflection seismic technique—small-scale wide line reflection seismic technique.
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