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auxiliary pulse sequence 辅助信号
For high sustain frequency, adding an auxiliary pulse on address electrode in the early stage of ramp-type sustain pulse to induce a pre-discharge. 在高维持频率的情况下，当斜缓维持波形电压值仍低时，在写入电极上加入辅助电压方波产生一次“先期放电”。
In the second part, the basic theory of MRI, some basic concepts and the developing method of the pulse sequence are introduced. 第二部分介绍了核磁共振成像的基本原理、序列的有关概念及目前Resonance公司提供的序列开发平台编写序列的方法;
The frequency domain profiles of DANTE pulse sequence are calculated according to the analytical solutions of Bloch equations. 根据 Bloch方程的解析解对 DANTE脉冲序列进行计算机模拟 .
Signal in MR images is high or low (bright or dark), depending on the pulse sequence used, and the type of tissue in the image region of interest. 磁共振中的信号根据所用脉冲的顺序以及所要成像组织的类型分为高信号或第信号（亮或者暗）。
Signal in MR images is high or low (bright or dark), depending on the pulse sequence used, and the type of tissue in the image. 磁共振中的信号根据所用脉冲的顺序以及所要成像组织的类型分为高信号或低信号（亮或者暗）。
Compared with high-frequency resonance ignition,the auxiliary pulse igniter needs more components which add to the complexity,it also includes some element such as Sidac,Thyristor,Diac and so on which decrease the reliability of the igniter. 相对于高频谐振点火方式,这种适用于低频方波的附加脉冲式点火电路需要比较多的元件数,既增加了复杂性,也因引入了火花隙、晶闸管等一些开关器件,使整个电路的可靠性大大降低。
In this thesis, an evolutional waveform in sustain period by combining the ramp-type sustain pulse with the auxiliary pulse on address electrode is proposed to improve the luminous efficiency in plasma display panel. 摘要:本论文提出在电浆显示器每一个子图场的维持时段中，利用斜缓维持波形以及在写入电极上加入辅助电压方波的方法，提升电浆显示器发光效率的新驱动波形。
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. 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。
When two counters of the Intel8253 work at mode 1 and mode 2 respectively,the pulse sequence can be programmed with the change of the pulse width and pulse period. 该方法利用8253芯片的两个计时计、数通道分别工作在方式1和方式2,通过软件编程改变脉宽和脉间的时间值产生脉宽、脉间可变的脉冲序列。
A interception probability reduction theory by means of comparing the RPPM with constant PRI pulse sequence is also analysised in this paper, further more the strong properties of ECCM of the RPPM is discussed and analysised. 此外，本文还介绍了随机脉位调制信号比较于等重复周期(PRI)脉冲信号来降低信号被截获概率的原理，讨论并分析了随机脉位调制脉冲多普勒雷达较强的抗干扰能力。
A interception probability reduction theory by means of substituting randomly staggered pulse sequence for constant PRI pulse sequence is analysised to improve the existence capability of radar in ECM. 为了提高雷达在电子对抗中的生存能力，分析了随机脉位调制信号取代等重复周期（PRI）脉冲信号来降低信号被截获概率的原理。
The first part introduce the basic principle of Magnetic Resonance Imaging and the structure of MRI spectrometer, which includes pulse sequence generator and compiler, RF unit,receiver unit and pulse field gradient unit. 第一部分简单介绍了核磁共振成像的基本原理，以及MRI仪器的各个组成部分。其中包括脉冲序列发生器、射频发射单元、接收机单元和梯度发生单元。
The imaging protocol for the mica samples consisted of a spin-echo pulse sequence with multiecho acquisition to collect images at seeral parallel echo times, the authors explained. 该研究报告的作者解释，云母标本成像协议包括自旋回声脉冲串和在几个平行回声时间段收集的多回声影像。
Methods: 10 normal subjects were scanned using propeller FSE T2W and routine FSE T2W pulse sequences respectively. 方法选取10位健康志愿者,分别采用常规头部扫描序列FSE T2W和Propeller FSE T2W进行轴位扫描。
Improving white color balance by auxiliary pulse number modulation in color PDP 辅助脉冲数调制改善彩色等离子体显示器的白平衡
Study of FLAIR Pulse Sequence in Cerebral Lesions flair序列在脑部疾病中的应用研究
Methods: The image was used to measure SNR.The parameters such as FOV,thick,NEX and pulse sequences such as SE,FSE,STIR,FLAIR and FLASH were altered. 方法利用所得测试体模的图像计算信噪比,改变视野、层厚和激励次数等扫描参数,应用于SE、FSE等五个常见扫描序列,分析图像质量。
In video disk, a consecutive sequence of frames. 在视频光盘上，一种连续的帧序列。
Purpose To select the optimal imaging planes, pulse sequences and parameters for MRI diagnosis of temporomandibular joint(TMJ) dysfunction. 目的通过选择合理的扫描层面、脉冲序列及参数诊断颞颌关节紊乱综合征。