A simple standard frequency tunable method which can be used to measure frequency switching time under the rated frequency deviation is presented.
描述了一种能在额定频差下测量频率转换时间的简便方法——标频调偏法。
With the development of modern electronic technology, frequency synthesizers are required to have wider band, higher resolution, short frequency switching time and lower spurious level.
随着现在电子技术的进步，系统对频率合成器的精度、频率分辨率、转换时间和频谱纯度等指标提出了越来越高的要求。
With numerical calculation from single mode rate equation of semiconductor laser, the output pulse parameters in time and frequency domains are investigated under different gain switching conditions.
从激光器的单模速率方程出发，利用数值方法研究了在不同的增益开关状态下，输出光脉冲的时域及频域特性。
Meanwhile, PWM inverters using high switching frequency device that shortens the rise time of PWM output pulse have been widely applied in high-speed AC driving locomotive.
同时，高速交流传动机车广泛采用高开关频率器件的脉宽调制（PWM）逆变器，使得逆变器输出脉冲具有陡上升沿。
Short response time: it's fit for switching on & off frequently and the occasion of high-frequency operation.
响应时间短：适应频繁开关以及高频运作的场合。
By adjusting the driving pulse increment, the bright dark conversion to maximize the number of dark and light switching frequency optimization goal of homogenization in per unit time were achieved.
通过调整驱动脉冲增量，实现了单位时间亮暗转换次数最大化和亮暗转换频率均匀化的优化目标。
High frequency switching power supply adopting soft switching technology, which has reliable high efficiency and long use time performances becomes the important part of DC power system.
基于软开关技术的高频开关电源因其性能可靠、效率高、寿命长等优点，成为了现代电力操作电源系统中的重要组成部分。
The hybrid time-frequency method was modified to analyze the simultaneous switching noise in power distribution network.
对时频域混合方法加以改进用于分析电源分配网络同步开关噪声。
Three different architectures (time, space and frequency-division) are used in high speed and real time switching systems.
在高速实时的光交换系统中有时分、空分和频分主三种交换方式。
Basis on the out-integrating measurement, a phase error control method is proposed to measure the RSD switching current which has low frequency components and nanosecond rising time.
针对上升时间为微秒量级且含有低频分量的RSD开关电流，提出了调控相差的外积分测量方案。
Band pass filter is adopted to remove the high -frequency switching disturbance in node voltage measurements and avoid the time delay of common low pass filter.
针对开关动态对节点电压采样值的干扰，引入带通滤波，滤除高频动态的同时避免了常规低频滤波的延时。
Band pass filter is adopted to remove the high -frequency switching disturbance in node voltage measurements and avoid the time delay of common low pass filter.
针对开关动态对节点电压采样值的干扰，引入带通滤波，滤除高频动态的同时避免了常规低频滤波的延时。
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