介绍了回波信号模拟设备的自动检查与测试部分的系统结构。
This article introduces the architecture of a self-testing system for echo signal simulator.
材料与方法：对40例脑部受检查者分别使用FLAIR序列及常规自旋回波（SE）序列进行对比分析。
Materials and Methods:40 patients were studied using FLAIR sequence and conventional spin echo(SE). The mode of presentation of the lesions were compared.
方法：应用半傅立叶转换自旋回波序列（FASE），重T2加权，对41例胰胆管疾病患者行MRCP检查。
Methods: MRCP of 41 patients with pancreaticobiliny duct diseases was performed by using heavily T2 weighted half-fourier fast acquision spine-echo (FASE)sequences.
方法：回顾性分析2 0例儿童先天性泌尿道畸形患者，采用快速自旋回波(TSE)行mru检查，并与IVP和手术结果对照。
Methods: 20 cases of children with congenital urinary tract malformation were retrospectively analysed. MRU using TSE was performed and the results were compared with that of IVP and operation.
方法59例上尿路梗阻性疾病患者接受检查，MRU为冠状位快速自旋回波T2加权像。
Methods 59 patients with upper urinary tract obstruction were subjected to MRU performed in a heavily T2 weighted fast echo pulse sequence in the coronal plane.
本文讨论的弹载脉冲多普勒雷达目标模拟器主要是在外场静态联试时为雷达提供模拟动态目标回波信号，以检查其截获跟踪性能。
The pulse Doppler radar simulator discussed is used to provide radar echo signals and checkout the performance of radar in an open condition.
所有病例均行常规自旋回波(SE)序列和心电门控MRI电影检查。
Spin echo (se) sequence and EGG-gated cine-MRI were adopted in all 22 cases.
所有病例均行常规自旋回波(SE)序列和心电门控MRI电影检查。
Spin echo (se) sequence and EGG-gated cine-MRI were adopted in all 22 cases.
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