前级采用电压单环调制方式，后级采用三态滞环离散脉冲调制电流滞环跟踪控制技术。
The front stage uses the single-voltage-mode control strategy and the back stage uses the three states discrete pulse modulation hysteresis current control strategy.
由于传统谐振直流环节逆变器只能采用离散脉冲调制方式，输出波形中含有丰富的低次谐波，严重影响输出性能。
The output waves of traditional resonant DC-Link inverter have too much low frequency harmonic waves which affect the output performance, because it can only use DPM control.
针对DC谐振直流环节逆变器须采用离散脉冲调制的特点，提出了一种新型软化SPWM波形合成方法。文中给出了软化SPWM波形合成基本原理、合成方法及实现电路。
In accordance with the characteristics that resonant DC link inverter should adopt discrete pulse modulation, we propose a novel method of soft SPWM waveform synthesis.
伴随这些脉冲的是很多离散光，被称为“频率梳”。
Within these pulses are a number of discrete colours of light in what is known as a "frequency comb".
在这项研究中，我为离散混沌系统的全球同步建立了一个脉冲控制方法，以及研究了一些全球渐进稳定标准。
In this research, I established an impulse control method for the worldwide synchronization of discrete chaotic system, and researched some standards for global asymptotic stability.
本文给出了一种基于块脉冲算子的离散逼近格式。
In this paper, a discrete approximation scheme based on block pulse operator is given.
连续动力系统，离散动力系统和脉冲动力系统是三大主要的动力系统。
Continuous dynamical system, discrete dynamical system and impulsive dynamical system are three main kinds of dynamical systems.
在第二章，我们研究了密度依赖生育脉冲对单种群阶段结构离散模型的动力学行为的影响。
Firstly, we propose and study the single-species discrete population model with stage structure and birth pulses.
根据混沌控制的思想，提出一种针对于离散映象混沌系统的十分方便的控制方法—脉冲控制法(PCM)。
According to the idea of controlling chaos, a convenient method of controlling chaos which is governed by discrete mapping-pulse control method (PCM) is given.
线性离散时间多变量系统的脉冲传递矩阵往往不是对角线形的矩阵，这表明系统的输入输出存在耦合。
The pulse transfer function matrix of linear discrete-time multivariable systems is often non-diagonal. This shows that there is coupling between the input and output of systems.
为了克服噪声对超声检测成像质量的影响，利用离散二进制小波变换的分解重构算法来降低脉冲噪声的干扰，提高超声图像的信噪比。
To overcome pulse noise influence to image quality, discrete dyadic wavelet transform (DDWT) is used to reduce the noise influence and improve signal to noise ratio (SNR).
在这项研究中，我为离散混沌系统的全球同步建立了一个脉冲控制方法，以及研究了一些全球渐进稳定标准。
In this research, I have established a pulse control method for the separate chaos system's global synchronization, as well as studied some whole world to advance gradually the stable standard.
在这项研究中，我为离散混沌系统的全球同步建立了一个脉冲控制方法，以及研究了一些全球渐进稳定标准。
In this research, I have established a pulse control method for the separate chaos system's global synchronization, as well as studied some whole world to advance gradually the stable standard.
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