全变换方法用于处理每一边界约束点,对刚度矩阵和位移矢量作相应的算子运算。
The full transformation method deals with each boundary constraint node, and for stiff matrices and displacement vector, using operator transformation, relative operator calculation is performed.
本文应用快速付立叶变换(FFT)计算分析了冲击发生器与分压器之间的相互作用对全波波头时间测量的影响。
This paper deals with the influence of impulse generating and measuring system on the measurement of lightning impulse front time by Fast Fourier Transformation (FFT).
介绍一种基于离散傅里叶变换(DFT)的全方向M型超声心动图运动曲线频域滤波技术。
The paper presents a method of motion curve frequency domain filtering in Omni-directional M-mode echocardiography images based on Discrete Fourier Transform (DFT).
该文根据离散余弦变换(DCT)和量化运算的特点,提出了一种新的用于低比特率视频编码的全零块预先判别方法。
A new method for predetermination of all-zero blocks in low rate video coding is proposed, which is based on characters of discrete cosine transform (DCT) and quantization.
该文提出了一种基于全相位逆离散余弦变换(APIDCT)内插滤波器的重采样分层编码技术。
This paper proposes a hierarchical coding technique based on the All Phase Inverse Discrete Cosine Transform (APIDCT) interpolation.
提出了应用非线性掺饵光纤放大环镜进行全光波长变换的理论模型。
The theoretical model of all optical wavelength conversion based on an erbium-doped nonlinear amplifying fiber loop mirror is proposed.
OPS网络结构中的关键技术包括光开关、光逻辑、全光波长变换以及光缓存等多项技术。
The key technologies in the OPS network include optical switch, optical logic operation, wavelength conversion and optical buffer etc.
非线性光纤环镜是一种很有前途的全光波长变换装置。
All-optical wavelength conversion based on a nonlinear optical loop mirror (NOLM) is a promising method.
波长变换用于解决网络拥塞造成的波长冲突,全光逻辑用以实现包头识别处理等功能。
Wavelength conversion is used to solve the wavelength conflict due to the data traffic jam and all-optical logic operation is used for recognizing and processing the label of packets.
本文提出了用光学处理器完成干涉图的傅里叶变换,从而实现全光学的傅里叶分光光度计的新技术。
In this paper we present a new technique for accomplishing the Fourier transformation of interferograms via total optical means.
提出了一种新型的零电压开关全桥三电平直流变换器。
This paper presents a novel zero voltage switching full bridge three level converter.
首次将团体理论中的LLP变换用于处理两能级原子与驻波场相互作用体系的全量子哈密顿量。
The Hamiltonian solution of two-level atoms interaction with sounding lightwave field is given by using a new method of LLP transformation in solid state physics.
当输出滤波电感的电流在一个周期内不连续时,移相全桥PWM变换器就工作在电流断续模式(DCM)。
Phase-shifted full-bridge PWM converters work in discontinuous current mode (DCM), when the current of out-put filter inductor is discontinuous in one switching period.
本文将研究采用互感滤波器来降低全桥移相开关变换器纹波的原理。
This paper will study the principle of depressing the ripple of full-bridge phase-shift converter by coupled inductor filter.
提出了一种新型的全桥移相零电压零电流变换器拓扑结构。
A novel full bridge (FB)-phase shift (PS)-zero voltage zero current switching (ZVZCS) converter is proposed.
主要就快速傅里叶变换算法、全波傅氏算法以及有功功率、无功功率的计算、滤波的参数选取、谐波的计算进行了讨论。
Mainly, FFT algorithm and full-wave Fourier algorithm are discussed. Calculation of active power and imaginary power is researched. Parameter selection of filtration and calculation of are attained.
光纤耦合器是全光纤傅里叶变换光谱仪(FFTS)的关键元件。
Couplers are key components in an optical fiber Fourier transform spectrometer (FFTS).
根据整数DCT变换和量化的特性,通过提前判定全零系数块来终止没有意义的运动搜索过程。
According to the characteristics of integer discrete cosine transformation(DCT) and quantization, the coefficient-all-zero block was determined in advance to terminate meaningless search.
本文对基于非接触式感应电能传输技术的全桥谐振变换器的传输特性进行了研究。
In this paper, the transfer characteristic of loosely coupled inductive power transfer full-bridge resonant converter is studied.
本文在基于曲面拟合的水泵水轮机全特性曲线的变换新方法的基础上,将移动最小二乘近似应用于对全特性的曲面拟合。
In this paper, moving least square (MLS) approximation is applied to simulate the complete characteristic curves of reversible pump turbine based on the surface fitting.
论文选取全桥变换器作为主电路拓扑。
Full-Bridge converter is the main circuit topology of the inverter.
本文首先介绍了四波混频的相关理论,然后又研究了光纤四波混频效应在全光波长变换技术中的应用,和提高波长转换效率的办法。
This paper discusses the theory of FWM and its applications in all optical wavelength converter. And the improvement of wavelength conversion efficiency.
论文选取全桥变换器作为主电路拓扑。
Full-Bridge converter is selected as the main circuit topology in this paper.
利用夹点技术对全低变换热网络进行优化设计,得到的新网络流程不需要外供蒸汽。
By the use of the pinch point technique the all LTS heat exchange network is optimized in design, and the new network process obtained does not need external supply of steam.
本论文研究的是模糊神经网络在全桥串联共振型DC - DC变换器控制中的应用。
This paper presents the studies of Fuzzy-Neural Network (FNN) control methods in the application of the full-bridge series type resonant DC-DC converter.
移相控制全桥变换器能够实现开关管的零电压开关,但滞后桥臂难度很大。
Phase shifted converter realizes zero voltage switching (ZVS) with the use of leakage inductance of the main transformer, however, the realization of ZVS for lagging bridge leg is difficult.
移相控制全桥变换器能够实现开关管的零电压开关,但滞后桥臂难度很大。
Phase - shifted converter realizes zero - voltage - switching with the use of leakage inductor of the main transformer, however, the realization of ZVS for lagging bridge leg is difficult.
全控型电力电子器件IGBT在牵引电传动电能传输与变换、有源滤波等领域得到了广泛的应用。
All-controlling power electronics device IGBT in traction power transmission and transformation of power transmission and active filter etc widely application.
全光逻辑以及波长变换也是OPS网络的关键技术。
All-optical logic operation and wavelength conversion are the key technologies in the OPS network.
该系统由数字控制器、脉宽调制波形显示电路、全桥变换器、直流电动机和光电编码器。
The system consists of a digital control system, a PWM control waveform display, a full-bridge converter, a DC motor and load motor.
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