PWM：脉冲波调制
脉冲波调制（Pulse Wave Modulation，常缩写为PWM）是一种广泛应用于电子技术、通信及自动控制等综合领域的信号调制方法。采用缩写形式PWM，不仅便于快速书写和交流，也有助于简化专业文档中的技术表达。这一术语虽未严格限定于某一特定子类，但其核心原理是通过调节脉冲的宽度、频率或占空比来实现对信号的有效控制。
Pulse Wave Modulation具体释义
Pulse Wave Modulation的英文发音
例句
- The experimental results show that the performance of the solenoid valve such as flow, reliability, respondent time, ranges of frequency modulation and pulse wave modulation and repeat precision can meet the need of real control.
- 性能试验结果表明：该电磁阀的通过流量、可靠性、响应时间、调宽范围、调频范围以及重复精度等性能指标都能满足实际控制需要。
- Unification of the frequency shift and pulse compression of an ultrashort laser pulse propagating in a background plasma wave is realized by employing the concept of phase modulation of the laser pulse by the plasma wave.
- 提出等离子体波对光脉冲产生相位调制的观点，把光脉冲在背景等离子体波中传播时的频率移动与脉宽压缩效应统一起来。
- 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。
- In the paper, the author discovers a novel method of generating the PWM wave in real time by microprocessor. The method gets the pulse width by regular sampling, and generates the PWM wave by using the asynchronous pulse width modulation of a quasi & sinusoidal wave.
- 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。
- This thesis discussed the issue that using the 8031 SCM to structure the PWM half_control rectifier of three_phase pulse width modulation, the low harmonious wave in input current and output voltage is very small because adopting new modulation control technology.
- 采用8031构成三相脉冲宽度调制PWM半控整流器，由于应用一种新的脉冲调制控制技术，使输入电流和输出电压中的低次谐波含量很小。
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