High frequency pulse width modulation power control systems can be realized using semiconductor switches.
高频脉冲宽度调制电力控制系统，可以实现用半导体开关。
FQPSK is a modulation technique that fits for high spectrum efficiency and high power efficiency request.
FQPS K是针对高频谱效率和高功率效率要求产生的一种调制方式。
Though PWM modulation technology has already been used in power converter abroad, it becomes a main reason which can produces EMI because PWM modulation signal contains abundant high harmonic.
PWM调制技术已广泛应用于电力电子技术中，但PWM调制信号含有大量的高次谐波，成为产生emi的主要原因之一。
A new optimal pulse width modulation (PWM) technique with unsymmetrical switching angles was introduced for high power applications.
针对大功率逆变器的应用介绍了一种基于不对称开关角的优化脉冲宽度调制方法。
The analog part mainly includes power source, power control, signal generation, signal modulation, high voltage output control and feedback control circuit.
模拟部分主要包括电源、功率控制、信号产生、信号调制、高压输出控制和反馈控制电路。
Continuous Phase Modulation (CPM) is widely used in wireless communications especially in military communications due to its high power and bandwidth efficiency.
连续相位调制(CPM)以其较高的功率有效性和带宽利用率，在无线通信领域尤其是军事通信领域得到广泛应用。
Nowadays, the mainstream of far field beam smoothing technology adopted by foreign high power laser drivers is smoothing by spectral dispersion (SSD) based upon sinusoidal frequency modulation.
目前，国外高功率激光驱动器实现远场分布平滑化的主流技术是基于正弦调频脉冲的光谱色散平滑技术(SSD)。
For high-speed and low-drive -power light, modulation, the advantages of the use of asymmetric strip line was shown.
对结果的分析讨论表明，非对称微带电极用于极性反转电极结构对在高频波段实现低驱动功率光调制是十分有效的。
In some embodiments, the converter has a third sub-mode (' high output power sub-mode '), in which pulse width modulation is used but the switching frequency is fixed at a second frequency.
在某些实施例中，转换器具有第三子模式(“高输出功率子模式”)，其中使用脉冲宽度调制，但开关频率固定在第二频率。
Currcnt-type four quadrant converter is an AC-DC converting device with pulse width modulation, whose advantages are high power factor, low harmonic current and convenient regeneration etc.
电流型四象限变流器是一种脉冲宽度调制的交直流变换装置，具有功率因数高、谐波电流小、再生方便等优点。
The process of a small diameter ultra-high power pump beam propagating in BK7 glass with or without small scale modulation was simulated.
数值模拟了小口径强泵浦光束在BK7玻璃中的传输过程并进行了实验验证。
This modulation control method applies modern heuristic optimization technique to generate PWM signals which can achieve harmonic optimization of three phase high power PWM converters.
这种调制方法使用基于人工智能优化算法产生脉冲信号的调制方法，对大功率三相PWM变换器进行谐波优化。
Adopt high frequency multi voltage circuit, PWM pulse width modulation technology and high-power IGBT devices.
采用高频倍压电路，应用PW M脉宽调制技术和大功率IGBT器件。
The frequency changer velocity modulation technology is technology and so on collection automatic control, micro electron, electric power electron, correspondence to a body high tech technology.
变频器调速技术是集自动控制、微电子、电力电子、通信等技术于一体的高科技技术。
The modulation technique for high power PWM converters is a key issue for high power PWM converter control.
对于大功率电力电子变换器控制而言，其最为核心的问题是如何产生电力电子开关器件脉冲信号。
The controller combines parallel amplification and drain modulation of the CMOS class-E power amplifier to provide high efficiency over a broad range of output powers.
结合射频E类功率放大器的结构特点，采用CMOS工艺，达到了在大的输出功率范围内保持持续稳定高效率的目的。
It operates both in current mode at high output load and in pulse frequency modulation (PFM) at light load to reduce the power dissipation.
它在重载下工作于电流控制模式，轻载下工作于脉冲频率调制(PF M)模式来降低功耗。
Semiconductor optical amplifier (SOA) is very fit for all optical modulation format conversion due to its high nonlinear characteristics, lower switch power and small size.
半导体光放大器(SOA)由于具有高非线性特性、低开关功率和尺寸较小等优点，非常适合用来实现全光码型转换。
The topology and modulation method of high-power inverter is introduced. Described the implementation principle of multi-level inverter with cascaded H bridge based on 2-level control technique.
论文首先对多电平逆变器发展前景进行概述，介绍了大功率逆变器的拓扑结构及调制方法。
A new average detection mode permits high-accuracy measurement of signal power with this noise-like spreading modulation.
新型平均检测模式可以对具有类躁音扩展信号功率进行高精度测试。
A new average detection mode permits high-accuracy measurement of signal power with this noise-like spreading modulation.
新型平均检测模式可以对具有类躁音扩展信号功率进行高精度测试。
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