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- Then the effect is to steepen the flanks of the pulse spectrum. 因此在效果上是加大了脉冲谱翼部的陡度。
- When the rf pulse is combined with magnetic field gradients, a spatially encoded signal is produced that can be detected and translated into images. 当射频脉冲与磁场梯度联合起来时,我们可以探测到一个空间编码信号的产生并且将它转变成图像。
- In these nonuniform fields the coil voltage caused by the excitation of an RF pulse rapidly decays to zero, but it can be recovered some time later by applying a second pulse. 在不均匀磁场内,射频脉冲导致的电波很快会消失,但如果隔一段时间后再提供第二次脉冲,又会重新出现。
- Lu Wa, Cheng CH, Wang Lin YY, Wang WK. Pulse Spectrum Analysis of Hospital Patients with possible Liver problems. Am J Chin Med 1997; 24 (3): 315-320. 王正赐:慢性疼痛病人与肝癌病人经肝动栓塞之脉波频谱分析。国立阳明医学院传统医学研究所硕士论文1986。
- The pulse spectrum broadening and dispersion compensation compression phenomenon when focusing the laser pulse into bulk media are experimentally investigated. 实验研究了超强超短飞秒激光脉冲在经过块状介质后的光谱展宽和色散补偿压缩现象。
- For example, when a surface coil is used to transmit a rectangular RF pulse into a uniform water phantom, the amplitude of the B1field can vary by several-fold across the imaged object. 比方说,当一个表面线圈向均匀的水介质发射矩形射频脉冲的时候,B1 场的振幅有可能在成像物体的不同部位发生很大的差异。
- microwave pulse spectrum analyzer 微波脉冲频谱分析仪
- A New Method for Measuring the Stability of RF Pulse Series 一种测量射频脉冲序列稳定性的新方法
- Then the effect is to steepen the flanks of the pulse spectrum 因此在效果上是加大了脉冲谱翼部的陡度。
- An unwanted false electronic pulse. 一种不希望有的假电子脉冲。
- Chirped Pulse Spectrum Shaping by Spatial Grating with Variable Line-Space 变栅距光栅实现啁啾脉冲光谱整形
- The survey covered a broad spectrum of topic. 这本简史涉及的话题范围很广。
- Direct Digital Synthesized RF Pulse System For Nuclear Magnetic Resonance Based On NCO And DSP 基于NCO与DSP的核磁共振直接数字合成射频脉冲系统
- The Requirement of Short Term Frequency Stability of RF Pulse Train for COR, MTI, and MTD Radar COR、MTI、MTD雷达对射频脉冲序列频率短稳的要求
- He knew the pulse of the nation. 他了解国民的心态。
- The doctor took my temperature and my pulse. 医生量了量我的体温和脉搏。
- Red and violet are at opposite ends of the spectrum. 红色和紫色位于光谱相对的两端。
- The excitement quickened my pulse. 激动使我的心跳加快。
- The machine is operated by an electronic pulse. 这台机器由电子脉冲信号操纵。
- Pul is a short form for pulmonary. 应该是肺部气体栓塞吧!