pulse-length modulation

It is also presents a pulse-width modulation control technology to independently control each of the voltage in photovoltaic arrays.

本文还提出了一种脉宽调制控制技术，它能够独立的控制光伏阵列中的每一个工作电压。

It includes system control circuit, digital potentiometer voltage protection circuit, basic pulse-width modulation control circuit and touch pad technology.

包括对控制系统电路、数字电位器电压保护电路、脉宽调制控制电路以及触摸屏技术。

ABSTRACT The basic theory and numerical implimentation of a new approach to analyze and synthesize the fluid pulse modulation control system are carried out in this dissertation.

本文研究了流体脉冲调制系统分析与综合技术的基本理论方法和技术。

This paper analyzes the principle of time domain measurement function of high per-formance spectrum analyzer and its use in Amplitude modulation ( AM), Frequency modulation ( FM) and pulse modulation test.

本文分析了高性能频谱分析仪时域测量功能的原理，并给出其时域测量功能在调幅、调频、脉冲调制测试中的应用。

A High-Efficiency Pulse Frequency Modulation Control Scheme

一种高效率的PFM控制策略

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。

Change the inverter output voltage or output current are two kinds of different ways, namely, PAM pulse amplitude modulation control and PWM control pulse width modulation.

改变变频器的输出电压或输出电流有二种不同的方法，即PAM脉冲幅值调制控制和PWM脉冲宽度调制控。

The Multiple Input Pulse Width Modulation Control With Forecast Self-Correction for Large Dead Time System

大时滞系统的多输入预报自校正脉冲调宽控制

Second, the paper analyzes the single-pulse modulation which includes pulse amplitude modulation, on-off keying modulation, pulse position modulation and two-phase modulation.

其次分析了单脉冲调制中的脉冲幅度调制、开关键控调制、脉冲位置调制和二相调制。

We analyzed the LED modulation and coding, the pulse position modulation ( PPM) and the multiple pulse position modulation ( MPPM) were compared in their reliability and validity.

分析了LED调制编码，并将单脉冲位置调制与多脉冲位置调制的可靠性和有效性进行了对比。