Chaos is also controlled into periodic state and multi-periodic state by a method of a wavelength periodic modulation.
波长周期相位相移调制控制也能使混沌激光控制到三周期态和多周期态等。
Output amplitude in both modes can be controlled by varying the DC source voltage or by varying the pulse-width (pulse-width modulation, PWM).
两种形式的输出幅度可以通过改变直流电源电压或通过改变脉冲宽度(脉宽调制pwm)来控制。
In this paper, an adaptive modulation system controlled by changing the symbol rate and modulation level is proposed.
本文研究了通过改变符号率及调制电平的方法实现的自适应调制系统。
Based on the power supply for railway signal system, this dissertation investigates an inverter controlled by the strategy of unipolar modulation.
本文以铁道信号电源为背景，研究了一种单极性调制的逆变电源。
This chopper is controlled by means of exciting adjuster which is mainly composed of pulse-width-modulation core-plate SG3524.
斩波器由以脉宽调制芯片SG3524为核心组成的励磁调节器来控制。
In this paper, a type of visible laser driver with numerically controlled power and modulation monitoring the average light power is presented.
介绍了一种监测平均光功率的数控功率和调制的可视激光驱动器。
Based on the mathematic model of separately excited DC motor, the control structure of the single - feedback-closed-loop controlled DC velocity modulation system was obtained.
在他励直流电机的数学模型的基础上，得到了单反馈闭环控制的直流调速系统的结构。
The form of obtained modulation function is suitable for all kind of the converters controlled by chopping.
函数形式适用于各种类型的斩控变流电路。
It is detailed to analyze two kinds of control strategy, -spwm and HCPM (Hysteresis Controlled Pulse Modulation).
本文详细分析两种控制策略—SPWM控制和滞环控制。
It is detailed to analyze two kinds of control strategy, -spwm and HCPM (Hysteresis Controlled Pulse Modulation).
本文详细分析两种控制策略—SPWM控制和滞环控制。
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