pulse width method

A two-dot sampling method of SPWM with nonsymmetrical rules was presented. It made the generation time and width of pulse closer to the nature sampling method, so the content of output humorous wave was reduced effectively.

提出一种两点式不对称规则SPWM工程采样法，使脉冲发生时刻和宽度更接近于自然采样法，从而可有效地降低输出谐波含量。

The method of frequency and pulse-width measurement in a PC-based virtual-scope is discussed.

讨论了基于PC的 数据采集卡所构成的虚拟示波器中信号频率及 脉宽 的测量方法.

The method which to obtain fast rising time for narrow pulse width is got;

得到了如何在窄脉宽情况下获得快速上升沿的方法；

When we test splice loss and loss by Optical Tine Domain Reflector, we may find that the selection of pulse width influences the precision of test, the linearity approximative method also influences the test result.

在利用OTDR测试接续损耗和损耗时，脉宽的选择影响测试的准确性，线性近似法的选择对测试结果也有明显影响。

A new Space Vector Pulse Width Modulation ( SVPWM ) method based on control factor is proposed.

介绍一种基于控制因子的三电平空间矢量方法.

Based on the theory of the matched filter, the bandwidth-duration product of the signal can be made greater than one, by the way of using the pulse width to add to the method of LFM signal band.

在匹配滤波器理论基础上，使用在宽脉冲内附加线性调频的方法可以扩展信号的频带，使信号的时宽带宽积大于一。

According to mathematical models of generator and PWM ( Pulse Width Modulation)-control-led wave chopper, the PID ( Proportional-Integral-Derivative) control algorithm is selected by the engineering design method for its regulator.

根据同步机的数学模型、脉宽调制控制的斩波器的数学模型，应用工程设计法确定其调节器的控制算法为比例积分微分（PID）调节。

Through analyzing cutting waves and pulse width modulation, a new method of tracing current is presented.

通过对斩波式和脉宽调制式两种细分驱动技术的讨论分析, 提出了电流跟踪型电细分驱动方案.

The inverse control method for pulse width modulation ( PWM ) inverter-fed induction motors is discussed.

摘要针对 电压源型 逆变器供电的感应电动机,应用逆系统理论提出了一种新型控制策略.

Pulse Width Modulation control method is another key technology of active power filter.

有源电力滤波器的另一关键技术是PWM控制方式。