Velocity controller is composition of variable structure control and lead angle control.

Study of the drift angle control in a space camera

空间相机中的偏流角控制

Research on In variable-angle Control of Parallel Resonance Converter

并联型逆变器定角控制的研究

A New Method for Diesel Engine Advance Angle Control in Mass Production

大批量生产中控制柴油机供油提前角的新方法

Study on fault simulation controller with close angle control ability

具有合闸角控制功能的模拟故障过程控制器

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。

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；

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。

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；

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。

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。

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。

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）；

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

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

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。

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

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

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。

A single pulse in a group of pulses.

一组脉冲中的一个单脉冲。

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。