Control pulse is coupled into this pulse shaper by wavelength division multiplexer. Nonlinear phase shift of signal laser is induced by control pulse because of cross phase modulation.
该全光脉冲整形器利用波分复用器将控制光脉冲引入光纤环形镜中，控制光脉冲由于交叉相位调制在信号光上产生了非线性附加相移。
The article theoretically analyzes the impact of self phase modulation caused by nonlinear refractive index on ultrashort pulse.
从理论上分析了非线性折射率引起的脉冲自位相调制对超短脉冲的影响。
The effect of wakefield, which depends on the initial pulse shape and width, leads to the asymmetry of pulse self phase modulation.
尾波场效应导致脉冲自相位调制的不对称性，其大小与初始脉冲形状和脉宽大小有关。
The resonant soft switching inverter arc welding power source uses LCL type structure in the main circuit, and selects phase shifting pulse wide modulation technique in the control system.
研制的谐振式软开关弧焊逆变电源，主电路采用新型LCL结构，控制系统选用恒频移相调脉宽控制方案。
An circular radial shearing interferometer based on spatial phase modulation is proposed to measure the transient near infrared laser pulse wavefront with high precision.
提出了一种基于空间相位调制技术可用于近红外瞬态波前高精度检测的环形径向剪切干涉仪。
This paper studied the three-phase PWM(pulse width modulation) rectifier in dual PWM variable frequency speed regulation system.
对双PWM变频调速系统中的三相PWM整流器及其控制方法进行了研究。
The torque ripple caused by diode freewheeling of the inactive phase during non-commutation state of PM brushless DC motor(BLDCM)when using the PWM_ON type of pulse width modulation was analyzed.
分析了传统的PWM_ON调制方式对无刷直流电动机在非换相期间由于截止相的反并联二极管续流而导致转矩脉动的原因。
The optimum receiver performance of a hybrid pulse phase and position modulation(PAPM) over ultra-wideband(UWB) indoor fading channel model is analyzed.
分析了UWB室内衰落信道模型下脉冲幅度位置混合调制（PAPM）最优接收机性能。
To realize deception jamming against Inverse Synthetic Aperture Radar, a good phase modulation coefficient that is used to modulate intercepted ISAR pulse is very important.
要实现对ISAR的欺骗干扰，设计一个好的假目标信号尤为重要，其关键在于如何产生一个好的相位调制系数对截获对方ISAR信号进行调制。
The simulations show that more amplitude modulations and phase perturbations lead to lower contrast of the compressed pulse, and bigger modulation cycle results in wider pre-pulse width.
结果表明：啁啾光脉冲的振幅调制深度和相位扰动深度越大，则压缩后的光脉冲对比度越小；啁啾光脉冲的振幅调制周期和相位扰动周期越小，则压缩光脉冲的预脉冲宽度越大。
In this paper, a new method to compress fundamental soliton pulses in the anomalous dispersion regime through cross phase modulation for pump pulse and soliton pulse is proposed.
提出一种在负色散区利用交叉相位调制效应压缩基本孤子脉冲的新方法。
The three-phase inverters with the conventional space-vector pulse width modulation (SVPWM) have fast dynamic response, but it is complex to be implemented and needs highly speed microprocessor.
基于传统空间矢量脉宽调制(SVPWM)控制的三相逆变器能够获得快速的动态响应，但实现复杂，需要高速微处理器。
The design method for hybrid waveforms utilizing ran-dom poly-cell code pulse position modulation (PPM) and pulse-to-pulse binary sequences phase modulation (PM) is introduced in this paper.
该文提出了一种利用随机多元码脉位调制(PPM)和脉间伪随机或随机二元序列相位调制(PM)相结合的混合波形设计方法。
Self-phase modulation of fiber does not affect the pulse shape of chaotic signal, however, its product of nonlinear phase shift can widen the chaotic signal spectrum.
结果表明：自相位调制不影响混沌信号脉冲的形状，但能产生非线性相移使混沌信号频谱展宽；
Firstly, we find that NOLM has a function of compressing optical pulse width, self-phase modulation (SPM) in NOLMs is a crucial reason.
通过研究它的光学特性，我们发现，由于自相位调制(SPM)，NOLM有压缩光脉冲脉宽的功能。
The single phase H-bridge inverter can generate common-mode voltage due to the sine pulse width modulation(SPWM)and vector controller.
采用脉宽调制和矢量控制的单相H桥逆变器会产生共模电压，后者会对逆变器、电机及其相关设备产生危害。
Based on the phase shift pulse width modulation technology, the mathematical non-linear model is developed.
基于移相载波调制，建立了变频器的非线性数学模型。
A method of the three phase voltage-source inverter connecting to the grid is studied, which consists of space vector pulse width modulation and phase-locking method.
本文研究了三相电压源型逆变器实现并网所采用的控制方法，包括空间矢量调制法和锁相环技术。
The suggested system makes use of a single phase HFAC pulse density modulation(PDM) converter as the interface to connect energy storage unit and power source for induction motor drive system.
系统采用间接矢量控制技术，通过高频交流脉冲密度调制接口变换器，对功率进行协调控制。
The effects of group-velocity mismatch and dispersion, third-order nonlinear phase modulation on pulse shape, spectrum distribution and conversion efficiency of second-harmonic pulse were discussed.
详细讨论了群速度失配、群速度色散和三阶非线性相位调制效应对倍频光脉冲波形、光谱及转换效率的影响。
A novelty space vector pulse width modulation (SVPWM) technique for the two-phase inverter-fed asynchronous motors system is proposed, which can be widely used in the low or middle power level field.
研究了二相逆变器-异步电动机系统的空间矢量脉宽调制(SVPWM)控制技术。
Aiming at the complicated design of three-phase PWM (Pulse Width Modulation) rectifier by using nonlinear feedback method, a linear feedback approach based on inverse system method is presented.
针对三相脉宽调制(PWM)整流器控制采用非线性反馈方法使控制器设计复杂化的问题，提出一种基于逆系统方法的三相pwm整流器的反馈线性化控制方法。
Least-squares algorithm to fit a three-dimensional plane, it USES a pulse of consumer law, NRZ type differential phase modulation signal modeling and simulation analysis.
利用最小二乘算法实现对三维平面的拟合，采用的是脉冲对消法，非归零型差分相位调制信号建模与仿真分析。
The interference and its processing method of long sequence phase-modulation signal of multitargets in pulse compression are studied emphatically.
重点研究了长序列调相信号多目标对脉冲压缩的相互影响及其处理方法。
Chapter5: The effect of cross-phase modulation (XPM) on pulse propagation and SC spectrum generation in a dispersion-flattened and decreasing fiber are researched.
第五章：研究了在色散平坦渐减光纤中，交叉相位调制效应对光脉冲的传输以及超连续谱产生的影响。
Chapter5: The effect of cross-phase modulation (XPM) on pulse propagation and SC spectrum generation in a dispersion-flattened and decreasing fiber are researched.
第五章：研究了在色散平坦渐减光纤中，交叉相位调制效应对光脉冲的传输以及超连续谱产生的影响。
应用推荐