The receiver responds only to a familiar pulse sequence.
接收机只响应熟悉的脉冲序列。
The set-up and Q-switching pulse sequence of laser are given.
给出了激光器的结构、脉冲调Q的时序。
The phenomenon is caused by the accumulative property of the pulse sequence.
该现象是由脉冲链的相干累积效应引起的。
Transmitter is made up of frequency synthesizer, pulse sequence generator, mixer and amplifier.
发射模块由频率合成电路、脉冲序列产生电路、混频电路和功放电路构成。
Z echo NMR pulse sequence is proposed for using in measurement of pure dipole or quadrupole spectrum.
本文提出一个Z回波核磁共振(nmr)脉冲序列,可以获得三能级体系的纯偶极或纯四极谱。
A digital accumulating and detecting method used for an un-uniform pulse sequence in noise is described.
本文着重介绍了一种在噪声中积累和检测非均匀脉冲序列的数字实现方法。
Objective: To evaluate the usefulness of fast FLAIR pulse sequence in the MRI of intraspinal canal disease.
目的:介绍快速FLAIR技术在椎管内病变MRI中的应用并评价其价值。
The average ambiguity function of the random multielement code PPM pulse sequence is developed and analyzed.
推导并分析了随机多元码PPM脉冲序列的平均模糊函数。
Objective: To evaluate the technique of MRU with single shot FSE (SSFSE) pulse sequence and its clinical value.
目的:探讨单激发快速自旋回波序列(SSFSE)尿路造影技术及其临床应用价值。
The structure of MRI spectrometer which is composed of DDS, digital receiver and pulse sequence generator etc, is described.
第三,详细讨论了磁共振成像谱仪中的脉冲序列发生器的设计思想和实现过程。
In the control system of sampling, signal to be dealt with is the pulse sequence after sampling from the continuous time signals.
采样控制系统中,所处理的信号是连续时间信号经采样后所得到的脉冲序列。
In the meanwhile, it presents a new method to calculate the threshold of CCD pulse sequence based on the theory of difference equation.
同时,本文首次提出了用后向差分理论,确定CC D脉冲序列阈值的新方法。
Purpose: To evaluate the clinical application of fast fluid attenuated inversion recovery (FLAIR) pulse sequence in MRI study of the brain.
目的:探讨快速液体衰减反转回复(FLAIR)技术原理及其在颅脑的临床应用。
A new pulse sequence for the measurement of NMR logging is proposed in this article, based on the improvement of original CPMG pulse sequence.
提出了一种可以提高核磁共振测井测量速度的新型测量脉冲序列,它基于对原有CPMG测量脉冲序列的改进。
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)。
Methods: An external force actuator was developed, the imaging pulse sequence of MRE was designed, and tissue simulating phantoms were constructed.
方法:研制外部激发装置,设计成像脉冲序列,制作模拟人体软组织的体模。
Objective:To evaluate the application of fast fluid attenuated inversion recovery(FLAIR)pulse sequence of MRI in cerebral parenchyma cysticercosis.
目的:探讨MRI快速液体衰减反转回复技术(FLAIR)在脑实质型脑囊虫病中的应用价值。
Objective: To evaluate the diagnostic value of fast fluid-attenuated inversion recovery (FLAIR) pulse sequence in MRI study of the brain degeneration.
目的:探讨快速液体衰减反转回复(FLAIR)序列在脑变性疾病中MRI的诊断价值。
A pulse sequence, namely rotary echo, with modest excitation bandwidth and mere adjustment of the experimental parameters is proposed in the present article.
本文提出的旋转回波脉冲序列具有激发带宽适中,实验参数调整简单的特点,可广泛应用于固体样品的核磁共振谱测量中。
Therefore, to retain the original GRE pulse sequence form, we combined different K space-filling model of the EPI form with several different GRE-EPI sequences.
因此,保留GRE序列原有的脉冲形式,并与不同K空间填充模式的EPI相结合形成几种不同的GRE - EPI序列。
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。
In this paper, a PD radar signal is researched, which is modulated by randomly staggered pulse sequence whose phase is also modulated by random binary-phase code.
本文研究了随机脉冲位置调制与脉冲之间随机相位调制相结合的脉冲多卜勒雷达信号。
Objective To deter mine the accuracy of real time MRI signal in detecting LITT lesions created in normal animal liver by using specific MRI pulse sequence guidance.
目的MRI引导下激光导热疗法(LITT)处理动物正常肝脏,判断病灶MRI实时信号反映病理结果的准确性。
Moreover, it is very suitable to satellite systems equipped with on off jets and reaction wheels. Finally, numeric simulation is explored to verify the validity of pulse sequence control.
此外,由于控制输出为方波,因而适合卫星的喷气推力器控制模式和飞轮控制模式,最后通过数字仿真验证了方波序列控制的有效性。
Under the control of the microcomputer this system not only can automatically determine the optimal control pulse sequence of the step motor, but also can control the step motor optimally.
在微机的控制下,该系统既能自动确定步进电动机的最优控制脉冲序列,又能对步进电动机实施最优控制。
The PRFM pulse sequence is composed by 16 fixed-width and fixed-amplitude short pulses, in which the duration between two neighboring pulses is determined by pseudo-random number sequence.
此序列由16个固定宽度的高电平脉冲组成,两个相邻脉冲之间的低电平时间间隔是由伪随机数序列决定的。
The uniform pulse sequence signal is one of the most simple and the most important forms in coherent pulse-sequence signals, so it has a certain meaning to study uniform pulse-sequence signals.
均匀脉冲串信号是相参脉冲串信号中最简单但也是最重要的一种,所以对其研究有一定的意义。
Objective: To evaluate fluid attenuated inversion recovery (FLAIR) pulse sequence and the clinical application of fluid attenuated inversion recovery pulse sequences in MRI imaging of the brain.
目的:探讨快速液体衰减反转恢复(FLAIR)技术条件及其在颅脑的临床应用价值。
The autocorrelation function of the randomly staggered pulse sequence is derived, and its power spectrum is given. Comparison with constant pulse-repetition frequencies pulse sequence is also made.
推导了随机脉位脉冲序列的自相关函数,给出了其功率谱,并与均匀脉冲串的功率谱进行了分析比较。
A novel method for radar signal full pulse data analysis, called the extremum sequence analysis method, is put forward.
针对脉冲雷达提出了一种新的雷达信号全脉冲数据分析算法——极值序列分析法。
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