duty cycle

Measuring pulse duty ratio based on adjusting oscillation frequency;

基于调节振荡频率的脉冲占空比测量

Relationship between source duty ratio and performance of OCDMA encoders/decoders;

OCDMA编解码器性能与光源占空比的关系

The influences of current density,pH,temperature and pulse duty ratio on electroplating process and deposit performance were discussed.

讨论了电流密度、pH、温度及脉冲占空比对电镀过程及镀层性能的影响。

Theoretical analysis of the influence of duty cycle on the spectrum distribution of long period fiber gratings;

长周期光纤光栅占空比对其光谱影响的理论分析

Based on the grating diffraction theory,the duty cycle and refractive index change of the periodically poled microstructure(PPMS)crystal are studied theoretically by light diffraction efficiency.

以光栅衍射理论为基础,从理论上分析研究了微结构晶体衍射效率与占空比和折射率的关系。

Microarc oxidation of TC4 alloy are carried out in constant voltage and current control modes respectively,and the effects of duty cycle on the formation of the microarc oxidation films on titanium alloy are investigated.

分别以恒电压和恒电流两种方式进行TC4钛合金的微弧氧化,研究两种方式下占空比对钛合金微弧氧化膜的影响。

An improved on-chip CMOS astable multivibrator is proposed, which overcomes the shortcomings of the traditional one that the signal duty-cycle is depending on model parameters, and generates stable clock signal with duty-cycle equaling 50%.

设计了一种新颖的CMOS无稳态多谐振荡器 ,克服了传统设计中时钟占空比依赖于工艺参数的缺陷 。

This method with high resolution and large duty-cycleregulating range is easy to program and occupy a little working time.

通过分析研究87C196MC单片机波形发生器产生PWM脉冲及死区延时的工作机理,提出一种基于单片机死区时间调制实现DC/DC变换器PWM控制的新方法,给出了其编程设计思路和理论分析,具有占空比调整范围宽,分辨率高,程序设计简便,节省运行时间等特点。

Analysis of the Measurement Error of Big Space Rate Pulse Voltage and Technical Innovation;

大占空比脉冲电压测量误差分析及技术改进

In order to increase the EV rate distance,the model and process of calculating rate distance are proposed, and then aiming at the EV drive system in which permanent magnet DC motor are used as its driving motor, the dynamics characteristics under the condition of the maximum distance and 100% PWM duty cycle are given.

针对目前电动车普遍存在续程短的情况 ,给出了续程分析的数学模型、分析过程和分析实例 ,以永磁有刷电动机为原动机的车辆 ,分析了在PWM占空比为100 %时 ,最大续程时系统动力特性 ,最后利用最优控制理论 ,分析行车策略与续程的关系 ,并得出了若干重要结