1) PWM wave
PWM波
1.
In this paper,one PWM wave about fourier s progression expression is obtained by using symmetrical rule sample,and PWM wave frequency spectrum is directed according to Bessell s function.
利用对称规则采样法得出一个PWM波形的付里叶级数表达式,再根据贝塞尔函数导出普遍认同的PWM波形频谱。
2.
Through researching the rule of producing PWM waveforms according to Harmonic-suppressing theory, this paper puts forth the existing problem and direction of improving SHE technique.
研究了按谐波抑制原理形成PWM波的原理和规律,指出了存在的问题和解决的方向。
3.
In the paper, the author discovers a novel method of generating the PWM wave in real time by microprocessor.
本文揭示了一种新型的用软件实时生产PWM波的方法,它采用规则采样法获得脉宽值,采用准正弦波异步调制生成PWM波。
2) PWM
PWM波
1.
Singlechip frequency conversion timing PWM wave generator;
单片机变频调速PWM波发生器
2.
It has realized the PWM wave output which its frequency rang between 100HZ and 20KHZ and its occupancy range is from 0 to 100%by use of FPGA and implements the real-time accurate laser power control.
本文详细的介绍了利用FPGA所实现的激光打标控制系统中的各个功能模块单元的具体实现,利用FPGA的现场可编程和快速可擦写的特性,实现了占空比(0%~100%)和频率(100HZ~20KHZ)可调的PWM波输出,实现了对激光打标的实时精确控制。
3) PWM waveform
PWM波
1.
Present a novelty method to generate multiplex PWM waveforms using AVR micro-single processor for controlling servos.
给出了一种新颖的利用AVR单片机产生多路控制舵机用PWM波的方法,利用硬件定时,软件计数相结合的方法,在不增加任何硬件接口的前提下,实现了多达32路PWM波的输出。
2.
A novel method that generates multiplex PWM waveforms using micro-single processor for controlling servos is introduced.
该方法取代了传统的使用分立元件产生PWM波的方法,大大减少了分立元器件数目及电路连线,改善了系统可靠性,提高了控制精度,并成功用在17自由度仿人机器人的控制系统中。
3.
PWM waveform is created by timer.
系统控制核心单元PLC根据设定的温度值与反馈信号进行分析、运算,按照PID控制算法计算出控制量,由定时器生成PWM波,调节晶闸管的导通角α,从而实现温度的精确控制。
4) PWM square-wave
PWM方波
5) carrier-based PWM
载波PWM
1.
The paper presents a novel carrier-based PWM method to take advantage of all levels in the inverter even at low modulation indices.
本文针对已有载波PWM方法中低调制度下电平退化的问题,提出了一种新颖的载波PWM方法,既便是在低调制度下,所有的电平都能够得到应用。
2.
The relationship between space vector pulse width modulation (SVPWM) and carrier-based PWM methods is comprehensively analyzed.
通过分析空间矢量脉宽调制(SVPWM)和载波PWM方法之间的内在关系,建立了包含各种连续和不连续SVPWM及SPWM方法的显性调制函数表达式,从而提出了基于载波的统一SVPWM实现方法。
6) PWM filter
PWM滤波
1.
Electronic circuit design based on PWM filter for D/A;
基于PWM滤波数模转换电路设计
补充资料:阿波波地狱
【阿波波地狱】
梵语阿波波,或云唬唬婆(无翻),谓受罪众生,寒苦增极,舌不能动,唯于唇间作此声也。
梵语阿波波,或云唬唬婆(无翻),谓受罪众生,寒苦增极,舌不能动,唯于唇间作此声也。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条