harmonic相关论文
本文应用Nadey定理对两维摇摆场自由电子激光的谐波特性进行了研究。导出了这种新型摇摆场结构自由电子激光高次谐波的自发辐射功......
We theoretically analyze and experimentally demonstrate a method of generating equal-amplitude optical comb exploiting m......
Gyrotrons are high powered coherent electromagnetic radiation sources, and are considered to be available powerful sourc......
A rail-to-rail amplifier with constant transconductance,intended for audio processing,is presented.The constant transcon......
We discuss theoretically how supercontinuum spectra produced from high-order harmonic generation processes in a synthesi......
This paper presents a miniaturized microstrip branch-line coupler with good harmonic suppression performance. The propos......
A fully integrated LED driver based on a current mode PWM boost DC-DC converter with constant output current is proposed......
We reported diverse soliton operations in a thulium/holmium-doped fiber laser by taking advantage of a tapered fiber-bas......
本文基于电能质量复合控制思想，针对智能配电网中谐波电流、负载不平衡、功率因数较低问题，提出一种谐波、负序及无功电流复合补偿策......
The economic transformation in China has caused significant changes to labor relations. It has made the labor relations ......
This paper aims to investigate the stochastic resonance(SR) in an Fitz Hugh-Nagumo(FHN) model with an additive Lévy noi......
AIM: To explore changes and possible communication relationship of local potential signals recorded simultaneously from ......
The B4N4 configurations were designed by using the molecular figure software. The full geometry optimization and harmoni......
A high power continuous-wave single-frequency green fiber laser by second-harmonic generation of a Yb-doped fiber amplif......
A revised flexible roller contact tire model (RFRC tire model) is proposed,which considers not only the geometric and fl......
An extended form of Boussinesq-type equations with improved nonlinearity is presented for the water wave propagation and......
A very low bit rate algorithm for encoding speech signals at 825 bps based on a mixed harmonic and stochastic modeling o......
基于双二阶广义积分器的锁相环(dual second-order generalized integrator PLL,DSOGI-PLL)通过二阶广义积分器产生正交信号和滤除......
A broadband class-F power amplifier for multiband LTE handsets applications is developed across 2.3-2.7 GHz.The power am......
A compact fiber-optic diode-laser sensor system for measuring relative humidity is studied. In such a system, a distribu......
To eliminate harmonic pollution incurred from the static synchronous compensator(STATCOM), a method of applying artifici......
针对多逆变器并联型微电网孤岛运行模式下的负载母线三相电压不平衡和谐波污染问题,本文提出一种基于两相静止αβ坐标系的微电网......
由于技术的进步和生产要求的提高,变频技术被越来越多的使用在包括港口起重机械在内的起重设备中。在提高整机性能的同时,大量谐波......
通过对煤矿负荷的分析,发现原煤生产过程中矿用变频整流设备在正常运行过程时所产生的谐波电流中,高次谐波分量对电机和电机电缆危......
高精度角度测量装置是保证旋转设备精度和性能的关键,广泛应用于测量跟踪仪器中,特别是对于大尺寸坐标测量仪器,测角相比于测距是......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
电动汽车充电会引起一系列的电能质量问题,主要包括谐波、三相电压不平衡及电压偏差。以国内已投运的出租车充电站电能质量的现场......
Objective: To analyze the non-periodic, unstable and even chaotic echoes scattered from microbubbles which are extremely......
基于SS6B型电力机车的工作原理,搭建一种适用于电能质量谐波问题研究的仿真模型。首先,对机车的工作原理进行分析。然后,利用机车......
系统谐波阻抗的准确计算是确定谐波发射水平的关键。本文提出一种改进数据相关性方法估计系统谐波阻抗。相较于传统数据相关性方法......
在高压直流输电系统中,换流变压器作为交流输电系统和直流输电系统的桥梁,其安全运行对直流系统正常运行具有重大的意义.为计算换......
针对基于圆形变压器的新型二十四脉波整流器的谐波问题进行了研究.首先,分析了三/十二相圆形变压器应用于二十四脉波整流的原理;然......
Echolocation calls of Myotis frater emitted during the search phase consist of brief frequency-modulated pulses. The sou......
Holland和Walsh首先给出了复单位圆盘上Bloch空间的一个不依赖于导函数的刻画.后来Nowark把该结果推广到 n 维复单位球上的全纯函......
A CLASS OF HARMONIC STARLIKE FUNCTIONS WITH RESPECT TO SYMMETRIC POINTS ASSOCIATED WITH WRIGHT GENER
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As a natural character of high gain free electron laser (FEL), harmonic radiation is regarded as the natural extensions ......
本文针对新疆地区工作的TBM掘进机出现无功补偿系统过热、烧毁和功率因数不高等故障,通过对当地电网、设备负载类型和工地实测数据......
Costless-Function Model Predictive Current Control of Seven-Phase PMSM to Improve Dynamic Performanc
In order to improve the dynamic performance and suppress current harmonic for seven-phase PMSM(permanent magnet synchron......
光伏发电装机规模不断扩大,电能质量的综合评估越来越受到行业关注,光伏电站谐波特性严重影响电网系统的电能质量。以实际项目为案......
在非阿基米德Menger概率度量空间中引入集值映象与单值映象对的调和概念,利用概率度量空间调和映象对的概念研究一类积分型调和映......
在现实生活中,水泵电机的应用非常广泛。在水泵电机中,高压变频器发挥着不可替代的作用。在实际工作中,高压变频器能够对电机进行......
长线电缆驱动潜油电泵系统是海上采油平台最常用的采油方式之一,论文以海上采油平台使用的长线电缆作为主要分析对象,研究海上采油......
简要分析基于电传动轨道车辅助逆变单元谐波产生的机理,根据负载谐波要求,对设置交流滤波器的必要性做以说明,重点阐述交流变压滤......
随着各种工业自动化设备的生产企业数量增多,半导体、纺织等精密设备的加工生产,使得配电系统中以谐波为代表的电能质量问题日益突......
褚玉明等发现了最大值α和最小值β使得双边不等式αA(a,b)+(1-α)H(a,b)<P(a,b)<βA(a,b)+(1-β)H(a,b)对所有的不相等的正数a和b......
