The duty ratio was proportional to the surface roughness.
占空比与陶瓷层表面粗糙度成正比;
Combining the two conditions, the duty ratio can be calculated.
联立这两个条件,求解出了占空比的计算公式。
Moderate increase of the duty ratio is benefit to the reduction of porosity.
适当提高占空比有利于减少气孔数量。
Wider range output voltage can be realized by varying the duty ratio from 0 to 0.8.
反激逆变器占空比可以在0到0.8之间变化,从而得到较宽范围的输出电压;
When the acceleration period has terminated, the switch means is controlled by a PWM pulse of the duty ratio in accordance with the speed instruction data, there by driving the DC motor.
在该加速期间结束时,以占空比与速度指令数据对应的PW M脉冲来控制开关机构,从而驱动该直流马达。
Using space vector pulse-width modulation (SVPWM) signal transformation method, speed regulation of induction motor is implemented by controlling the duty ratio of every converter switch.
利用电压空间矢量脉宽调制(SVPWM)信号变换控制功率变换器各开关器件的导通占空比,实现异步电动机的速度调节。
The system is made up of semiconductor cooler (TEC, thermal electrical cooler) which is controlled by a PC with PID arithmetic. And use the duty ratio of PWM to control the output power of TEC.
该系统使用PC机作为控制平台,采用自整定PID算法,调节输出pwm波的占空比来控制半导体制冷器的输出功率。
A duty ratio measuring circuit, which using differential voltage amplifier as core component, was designed utilizing the relationship between the duty ratio and the compensatory terminal of PWM IC.
介绍一种利用占空比与PWM电路补偿端电压之间的关系,设计的以差动电压放大器为核心构成的占空比测量电路;它能以数字显示形式直接给出脉冲电源输出电压的占空比。
The influence factors such as the dimension of exciting coil, the frequency, the duty ratio and the voltage of exciting pulse were analysed, the principle of choosing testing parameters was proposed.
分析了激励线圈的尺寸、激励脉冲的频率、占空比和电压等因素对脉冲涡流检测系统的影响,给出了实际检测过程中选择参数的原则。
By the feed-back control of the duty ratio according to the oscillations of the movable plate, the movable plate can be controlled to oscillate in the proper phase and at the proper oscillation Angle.
通过根据可移动板的振动对占空比的反馈控制,可控制可移动板以在适当的相位和适当的振动角振动。
The relationship between duty cycle and power consumption is a 1:1 ratio.
负载率和电源功耗之间的关系是其比率为1:1。
The method provides simple algorithm, clear physics conception to study robustness of the system and to find two original approaches to defining the maximal duty ratio limitation.
该方法不仅思路简单,物理概念清晰,为稳定性分析提供了依据,而且为系统的最大占空比设计提供了两种新颖的方法。
It is characterized by broadband, adjustable frequency, and adjustable duty ratio, so the instrument has wide application field.
该仪器频带宽度宽,频率和占空比可调,拓宽了仪器的应用领域。
By synthesizing twice MTD results, actual velocity of the target is gained. Relation between pulse duty ratio and velocity measurement error is deduced.
综合两次MTD结果得到了目标的实际速度,并推导出了脉冲占空比和速度测量误差的关系式。
The results show that the deposit rate, composition and properties of coating change with the variation of duty ratio and pulse frequency.
结果表明,镀层的沉积速率、镀层成分及镀层的性能都随脉冲频率和占空比的变化而变化;
In this paper, the concept of synthesized voltage vector is introduced into duty ratio control technique.
文中将合成电压矢量的思想引入到占空比控制技术中。
The difference between the front and back bulge edges results in pressure drag which increases with increasing bulge density and height, and with decreasing duty ratio.
结果显示,由于矩形形貌的影响,形成了压差阻力,压差阻力随形貌突起高度或密度的增加而增大,随突起占空比的增加而减小。
In addition, start and stop of emulsifying combustion can be controlled by a manual button, and the working condition signal and PWM duty ratio can be displayed by digital led.
另外,根据实际需要,掺水燃烧的起停可以通过手动按键来控制,工况信号以及PWM输出占空比通过LED数字显示。
Experimental results indicate that tiny feeding, low voltage, low duty ratio and high frequency have important effects to increase the truing precision.
实验结果表明最后整形阶段的微小进给量及低电压、低占空比和高频率的电参数对提高整形精度具有重要作用。
Applying discrete duty ratio control technology into direct torque control can reduce the ripple, and keep the feature of simplicity.
采用离散占空比控制技术的直接转矩控制能够在减小输出转矩脉动的同时保持算法简单的特性。
The effects of pulse current, frequency, duty ratio and inverse current in zincate system on the appearance and corrosion resistance of zinc coating are investigated.
研究了在锌酸盐镀锌体系中采用脉冲电流时,脉冲频率、脉冲的占空比、反向电流对镀层外观、耐蚀性的影响。
The duality of transformers (ideal and perfect models) is investigated. In addition, the duality relationships of duty ratio parameters and semiconductor-switch topologies are also given.
文中导出了动态导通比参数、半导体开关管拓扑以及变压器理想模型的对偶形式。
The efficiency of phase grating is limited by groove depth, material, duty ratio and wavelength.
衍射效率受光栅材料、凹槽厚度、占空比和所使用波长的影响。
This paper gives out a design of the equal duty ratio arbitrary integer frequency divider based on FPGA.
给出了一种基于FPGA的等占空比任意整数分频电路的设计方法。
Based on analyzing the scan and capture of region identify and duty ratio identification, the paper calculates the killing probabilities of MEFP air blast warhead by Monte carlo simulation.
文中主要针对多爆炸成型弹丸空爆战斗部,在分析区域识别和占空比识别两种不同扫描准则的基础上,应用蒙特卡洛方法计算了战斗部对目标的毁伤概率。
Compared with 380db clutch, 395db clutch has advantages of higher reserve ratio and torque capacity, and thereby can meet the requirement of heavy duty trucks better.
与380db相比,395db离合器具有后备系数大、传递扭矩大等优点,更能满足重型车的需要。
The maximal detection range increases with the reducing duty ratio of the drive current when the transmitted average power is constant.
在平均功率不变的情况下,可以通过减小激励电流的占空比来增加最大探测距离。
It is found that the influence of position errors can be offset by increasing the output element's duty ratio.
分析发现,位置误差的这种影响可以通过增加输出单元的占空比来减弱。
By simulation, the effects of reflux ratio, the area of the preheat-cool exchanger, cool duty of still pot, heat duty of evaporator and the liquid flow recycled by pump on heat sens...
通过模拟计算,研究了回流比、预热冷却器面积、塔釜冷却量、蒸发器加热量以及泵循环流量对热敏精馏过程的影响。
By simulation, the effects of reflux ratio, the area of the preheat-cool exchanger, cool duty of still pot, heat duty of evaporator and the liquid flow recycled by pump on heat sens...
通过模拟计算,研究了回流比、预热冷却器面积、塔釜冷却量、蒸发器加热量以及泵循环流量对热敏精馏过程的影响。
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