查询词典 Pulse

In order to control the forementioned switching power supply to accomplish an adjustable pulse voltage, the microcontroller W77E58 is combined with some programs to form an intelligent control system whose primary function is regulating and driving pulse signal.

结合一定的软件程序，建立了以W77E58为核心的智能控制系统，实现脉冲信号的调整和驱动，从而对前述的开关电源进行控制，以获得可调整的脉冲电压。

Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified PCNN model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. Secondly, PCNN is extended to PCNNs, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. Thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification; Finally, based on the accumulative difference pictures, and the forming and transmission of PCNN wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction.

首先结合PCNN的同步脉冲发放和侧抑制特性，提出了基于改进型PCNN的图像凹点检测算法，该算法是一种自适应而有效的图像凹点检测方法，并且较好地仿真了人类视觉系统；然后，结合信息传递和信息耦合特性，将PCNN扩展成PCNNs，提出了一种基于PCNNs的图像融合算法，能够将多个传感器获取的同一目标的图像信息融合到一幅图像中，有效模拟了人类视觉系统；另外，结合PCNN的同步脉冲发放特性、捕获特性和波的传播竞争特性，开拓地将PCNN用于模式分类中，提出了基于耦合神经元点火捕获／抑制特性的分类方法和改进的约束距离下的PCNN分类方法，前者可实现对样本空间中任意复杂分布训练样本的稳健非线性分类，而后者能够消除训练样本中刺点对分类的影响；最后，结合累积差分图像思想、PCNN波的形成与传播特性，通过各神经元之间连接取向来选择与控制自动波的流向，将PCNN用于运动视觉分析中的运动轨迹模拟及运动方向检测。

It is found that even a small walkoff between the compressed bright pulse and the dark soliton can exert non ignorable influence on the bright pulse compression.

作者发现，即使暗孤子与被压缩脉冲的中心波长相差很小，离散效应对脉冲压缩的影响也很大。

Single-phase Sinusoidal Pulse Width Modulation Inverter Power Supply in this paper belongs to AC power supply (AC-DC-AC convert). Control mode adopts feedback of voltage control. The methods of intermitting power flux and changing duty-cycle can change pulse width of drive voltage that adjust and rectify output voltage ultimately.

本文设计的单相脉宽调制逆变电源属于交流电源，采用电压反馈控制，通过中断功率通量和调节占空比的方法来改变驱动电压脉冲宽度来调整和稳定输出电压。

Precise focusing on the iris, low pulse energies and single pulse shots might minimize this risk. It may not be wise to utilize the Nd: YAG laser to enlarge an iridotomy.

在瞳孔缘至虹膜根部中外1／3处行Nd：YAG激光击射，冲击波本身未对小梁结构造成损伤，而在术后的房角沉积物吞噬清除过程中，会出现游走的小梁内皮细胞，并可见其变性及自溶崩解征象。

The neural network model simulates the visual characteristics of the human visual system by axons delay pulse neural network in order to extract the moving target and anlyse the actual significance of pulse neuroid algorithm.

这里提出一种基于神经轴突延迟机制，利用脉冲神经元网络模型对运动目标进行检测与跟踪的算法，该神经网络模型是利用轴突延迟脉冲神经网络模拟人类的视觉特性，从而提取运动目标，并具体分析脉冲神经元网络算法的实际意义。

First, a model of transformer has been built and analysed to formulate the expression of pulse on the load capacitor, which can demonstrate the influence of major parameters of transfomer on the charging time and efficiency of energy-transmitting. The influence of output pulse when the resistor of circuit is being took into account also has been analysed by the means of circuit simulation and approximate solution of circuit equation. The efficiency of energy-transmitting under dual nonresonant condition has been analysed and the parameters of transformer has been decided.

首先，对空心变压器的理论模型进行了分析，在得到了输出脉冲电压的表达式的基础上分析了变压器各主要参数对脉冲充电时间和充电时能量传输效率的影响；同时还通过近似求解状态方程的方法对考虑线路电阻时输出脉冲受到的影响进行了分析；讨论了在非双谐振情况下的能量传输效率的问题。

Oscillometric method is the advanced method for the no invasion blood pressure measurement. It qualitatively provides the order of the pulse pressure signal's changing with the cuff pressure and quantificationally points out the relationship between the mean blood pressure value and the pulse wave signal. So this method gives us a more scientific way to find other blood pressure parameters.

测振法是无创血压测量中先进的检测方法，它定性地揭示了脉动压力信号随袖带压力变化的规律，并给出了平均压与脉搏波信号的定量关系，为血压参数进一步确定提供了一条更为科学的方法。

METHODS: A total of 140 subjects with bilateral knee OA were randomized sequentially into 4 groups (groups I-IV). Group I received isokinetic exercises; group II received isokinetic exercise and pulse ultrasound for periarticular soft tissue pain; group III received isokinetic exercise, pulse ultrasound, and intraarticular hyaluronan therapy; and group IV acted as the control group.

140名患有双侧膝骨关节炎的患者（Altman分级II级）被连续地随机分配到4个组。I组进行等速运动；II组进行等速运动，同时，伴关节周围软组织痛的患者接受脉冲超声治疗；III组进行等速运动联合脉冲超声及关节内透明质酸治疗；IV组为对照组。

Methods After ten healthy adult dogs were anesthetized and open-chested,a single-use pediatric pulse oximeter was fixed respectively at the surface of aorta and tongue. The plethysmographic pulse waves and the value of SpO2 were showed on the same monitoring screen and recorded during hypersaturation and desaturation .

选择10只成年杂种犬开胸，比较正常和低氧下犬降主动脉表面和舌表面的脉搏血氧饱和度容积波波形和读数；比较主动脉表面血氧饱和度探头施压前后的读数。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。