pulse group

The electrical fast transient ( EFT) disturbance test is one of the most difficult tests, because it is a fast uprising, repetitive pulse group.

电快速瞬变脉冲群（EFT）实验是微机保护装置最难通过的实验之一，主要原因是由于其上升时间快、重复频率高。

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Results and Conclusion There was no significant difference between the pulse magnetic acupuncture group and the routine acupuncture group ( P> 0.05), but there was a significant difference between each of the two groups and the static magnetic acupuncture group ( P < 0.01).

结果与结论脉冲磁针组与常规针刺组比较无显著差异（P>0.05），两组与静磁针组比较均有显著差异（P

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Discrete Fourier Transform ( DFT) is used to realize the coherent integration, which improves the relative ambiguous frequency estimation precision of coherent pulse group. This algorithm has low computational complexity and high estimation precision for Doppler frequency rate-of-change.

针对单载频雷达脉冲信号，提出了基于相关的脉冲群间多普勒频率变化率高精度估计算法，通过离散傅立叶变换实现了相参积累，提高了相参脉冲群相对模糊频率估计精度。

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The Electrical Fast Transient/ burst ( EFT) is a fast uprising, short, low energic and repetitive pulse group, which has more significant influence on numerical protection.

快速瞬变脉冲群干扰由于上升时间快、持续时间短、能量低、重复频率高，而对微机继电保护装置的影响很大。

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The influence of pulse distortion on superluminal group velocity in an anomalous dispersive medium is researched. The result shows that superluminal group velocity does not disappear even if there is no distortion for light pulse.

研究了反常色散介质中脉冲形变对超光速群速度的影响，发现即使光脉冲完全不产生形变群速度仍会超过真空中的光速。

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Deduces the relationship between the time-domain pulse and its group delay ( GD), group delay dispersion ( GDD).

推导得出了超短脉冲的群延时（GD）、群速度色散（GDD）与脉冲时域波形之间的解析关系。

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Two groups of patients with acute myocardial infarction curative effect, TCM symptoms curative effect, TCM major symptoms curative effect, tongue, narrow infarction area pulse improvement in treatment group than in control group in effect.

其中两组病人急性心肌梗死疗效，中医症候疗效，中医主要症候疗效，舌脉改善，缩小梗死面积疗效方面治疗组优于对照组。

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A single pulse in a group of pulses.

一组脉冲中的一个单脉冲。

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It is a difficult problem to restrain high speed pulse group in steady power supply design.

在稳压电源设计中，如何实现高严酷等级的高速脉冲群抑制能力是一个长期以来难以克服的实际问题。

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Clinical study of patients with sudden deafness were randomly divided into experimental group ( pulse acupuncture group), normal acupuncture group and blank control group, before and after treatment were compared and the accompanying symptoms of hearing.

临床研究部分则将突发性耳聋患者随机分为试验组（切脉针灸组）、普通针刺组及空白对照组进行观察，对比治疗前后听力情况及伴随症状。

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The function relation of pulse group velocity with frequency and rain rate is obtained.

分析了脉冲波展宽效应机理,得到脉冲波群速度与电波频率、降雨率的函数关系.

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Experimental Investigation on Slow Light and Optical Pulse Propagation with Negative Group Velocity in the Electromagnetically Induced Medium

光脉冲在电磁感应介质中的超慢群速与负群速传播实验研究

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Metheds All patients having phacoemulsification with the Alcon Legacy 20000 Everest software were assigned to 1 of 3 groups ( the burst mode group, the pulse mode group and the continuous mode group).

方法用爱尔康公司Legacy20000珠峰系统超声乳化仪，将患者分为三组，分别采用爆破、脉冲和连续3种不同超声能量模式行超声乳化白内障吸除术。

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The natural calling songs in the field of different places have basically the same structural levels; they consist of rhythms with repetition frequency of 43-49 Hz, each rhythm with four syllables, each syllable with three pulse-groups and each pulse group with several pulses.

黑蚱蝉野外的自然鸣声具有基本相同的结构层次，都由重复频率为43&49Hz的节奏组成，每个节奏含有4个单音节，每个单音节含有3个脉冲群，每个脉冲群含有若干个脉冲。

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Mainly weak pulse, with some tendency to become rapid pulse in Group 3, and their pulse figure parameters show that h_1 and t of both left and right Cun is lower.

肺肾气虚型以虚类脉为主，并有数的趋势，脉图参数左、右寸均为h1、t降低；

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Pulse modulation uses a pulse sequence or a group of digital signal as the carrier wave, and sine wave modulation use high-frequency sin wave.

脉冲调制是用脉冲串或一组数字信号作为载波的调制方式，正弦波调制则是载波为高频正弦信号的调制方式。

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Pulse pressure ≥ 60mmHg group three pathological change prevalence rate obviously markup, the difference has statistics significance ( P < 0.01).

脉压≥60mmHg组三支病变患病率明显增高，差异具有统计学意义（P

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Based on Statistical Theory of Pulse Signal Flow, a statistical model for one-dimension probability density function ( PDF) of electromagnetic interference pulse flow caused by group electromagnetic interference sources is discussed in this paper. This model has universality.

使用脉冲信号流统计理论，建立了由群体电磁干扰源产生的电磁干扰脉冲流的一维概率密度函数（pdf）统计模型，具有普遍性特点。

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The experiment results show that the dispersion compensation and pulse compress are realized by using the pulse chrip induced by group velocity dispersion of single-mode fiber cancelling out the pulse induced by SPM of SOA.

实验表明利用普通单模光纤群速度色散导致的脉冲啁啾抵消SOA自相位调制引起的脉冲啁啾，实现了色散补偿及脉冲压缩。

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METHODS: The indexes of the swimming athletes were recorded, including morning rate and individual subjective fatigue with morning rate timer after wake-up every morning; instant pulse after a group of training and the recovery pulse after rest for 2 minutes during training class.

方法：运动员每天早晨醒来利用晨脉表记录晨脉和个体主观疲劳，记录运动心率是在训练课中，一组训练内容结束后的即刻脉搏和休息2min后的恢复脉搏。

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The amplitude of finger tip pulse monograph in group of PTCA was higher than of PMR before and after procedures ( P < 0.001).

PTCA组治疗前、治疗后指尖脉搏图波幅均高于PMR组（P

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After 4 weeks treatment, the percentage of patients reaching end point parameter in pulse group was significantly higher than that in daily group ( 35 2% vs 19 4%, P < 0 05).

冲击组治疗4周达标率明显高于每日组（35.2%比19.4%，P

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According to the practical experiences, this paper introduces a simple design scheme which makes use of the fast releasing characteristics of TVS to retraining high speed pulse group.

本文根据实际设计经验，介绍一种简单实用的设计方案.该方案利用瞬态抑制二极管的快速泄放特性，大大地提供了高速脉冲群抑制能力。

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Drilling by Using High Peak Power Laser Pulse Group

高峰值功率激光脉冲组打孔技术

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The average periodicity of insulin ultradian pulse were 75 min and 75~ 90 min in the control group and overweight group respectively. The periodicity of insulin ultradian pulse in the IGT group was undefined.

对照组的ISR脉冲平均周期为75min，超重组为75~90min，IGT组周期节律性不明显；

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Taking into account of the fourth-order nonlinear refractive index, we have obtained the soliton solution of the nonlinear equation which governs the propagation of optical pulse in group velocity dispersion ( GVP) single-mode fibers.

考虑非线性四阶折射率，推导了光脉冲在群色散单模光纤中传输的非线性方程，并得到孤子型解析解。

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Result: The average pulse pressure of this group is 42.99 mmHg, no statistical difference between male and female ( P> 0.05).

结果：本组人群平均脉压42·99mmHg，男女差异无统计学意义（P>0·05）；

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