resonant相关论文
The 13.56 MHz analog front-end circuit for ISO/IEC 15693-compatible radio frequency identification (RFID) trans- ponder ......
This paper mainly discusses the analysis and design of a finline single-ended mixer and detector.In the circuit,for the ......
To implement a fully-integrated on-chip CMOS power amplifier(PA) for RFID readers,the resonant frequency of each matchin......
With increasing excitation wavelength from 514 to 782 nm, a significant difference in the Raman spectra of SiC nanorods ......
In order to improve the performance of optical wavelength-selective switches based on double micro-ring resonators, an a......
Blue emitting phosphor SrZn_2(PO_4)_2:Eu~(2+) is synthesized by a high temperature solid state method,and the luminescen......
In this paper, a microring resonator(MRR) system using double-series ring resonators is proposed to generate and investi......
We report the recent advance in our rubidium atomic fountain clock(AFC). The parameters of the Ramsey cavity are optimiz......
The gyrotron is one of the most promising high-power millimeter-wave sources for electron cyclotron resonance heating(EC......
In this paper, optical pulse repetition rate multiplication based on a series-coupled double-ring resonator is proposed.......
We demonstrate an ultra-low-threshold phonon laser using a coupled-microtoroid-cavity system by introducing a novel coup......
Plasmonic grating structures have been shown effective at increasing near-field optical enhancement. A doublewidth plasm......
According to the thickness and the configuration of sound-absorbing material,the cavity’s acoustical impedance and the ......
A method of fabricating dual-band left-handed metematerials(LHMs) is investigated numerically and experimentally by sing......
This paper presents a semi-analytical solution for the vibration and sound radiation of a semi-infinite plate covered by......
Three microwave-assisted extraction(MAE) procedures were studied. The first procedure was household microwave oven dynam......
A high power continuous-wave single-frequency green fiber laser by second-harmonic generation of a Yb-doped fiber amplif......
For the purpose of analyzing the torsional vibration caused by the gravitational unbalance torque arisen in a spindle sy......
随着精密与超精密加工技术的不断发展和成熟,将振动辅助切削技术应用到精密与超精密加工中去已成为发展的一个必然趋势。结合国内......
In this paper,a new approach of meander line technique for Printed Quadrifilar Helix Antenna(PQHA) is studied.Compared w......
The characterization of x-shaped antenna arrays operating in the mid-infrared is proposed. An equivalent circuit model f......
A kind of piezoresistive ultrasonic sensor based on MEMS is proposed,which is composed of a membrane and two side beams.......
We report a fiber Bragg grating(FBG)vibration transducer based on an equal strength cantilever with enhanced sensitivity......
We construct a dimethylsulfoxide(DMSO)-based photonic crystal fiber(PCF) temperature sensor with enhanced sensitivity.A ......
A high sensitivity magnetic fluid(MF) filled side-hole fiber magnetic field sensor based on surface plasmon resonance(SP......
当永磁同步电机在转子磁场定向控制方法下运行时,由于电机齿槽以及逆变器死区效应等非理想因素的影响,d、q轴电流中会包含谐波。为了......
Fuzzy control on automatic frequency tracking of ultrasonic vibration system with high power and hig
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......
Fuzzy control on automatic frequency tracking of ultrasonic vibration system with high power and hig
In order to realize automatic tracking drift of resonance frequency of ultrasonic vibration system with high power and h......
两级式直交单相逆变器输入电流中含有两倍于逆变器输出频率的低频分量,这些低频分量幅值相对其平均值的比例很高,可达到30%以上,严......
Characteristics of Photoacoustic Spectroscopy Detection for Carbon Monoxide Gas Based on DFB Diode L
The dissolved gas analysis is one of the most effective and convenient methods to diagnose the early discharge faults of......
电推进电源(Power Processing Unit,PPU)是电推进系统的核心单机,其体积、重量及关键技术难度往往超过推力器本身。屏栅电源及阳极......
LLC谐振变换器能以很小的工作频率变化,调节宽范围的输出功率,在全负载变化范围实现功率开关管的零电压开通和零电流关断。此处选取......
有色冶炼厂不可避免地大量使用谐波源设备,而谐波的存在又严重危害了供电网络和用电设备的安全。本文主要介绍了低损耗三调谐滤波......
为解决无源箝位谐振直流环节逆变器辅助电路中采用耦合电感辅助换流(即抽头电感法)所引起的箝位二极管两端承受的电压应力过大问题,......
基于变压器的一般原理和结构出发,提出了变压器分布电容的形式和有关数据分析,并用特制线圈模拟变压器绕组,通过实验找到一些固有参考......
提出了双环控制下的双幅有源钳位谐振直流环逆变器,它具有开关损耗低、拓扑结构简单、负载调整性好、失真度小等优点,可广泛应用于......
对串并联谐振变换器的工作原理进行了分析,得出串并联谐振变换器有3种不连续工作模式,绘制出这些模式下的状态轨迹图并介绍了绘制方......
提出了同步整流效率的相关计算方法,并在分析次级同步整流特点的基础上做了大量相关实验,总结出谐振电容对效率的影响程度和应用电荷......
为提高逆变器效率和性能,降低电磁干扰(EMI),提出一种新型软开关单Buck型逆变器拓扑结构,通过控制辅助谐振网络的谐振,使其主、辅开关管......
研究了由晶闸管构成的采用谐振换流主电路的变频调速系统。该系统采用恒转差控制方式获得了较好的力矩特性,用1个逆变桥同时对频率和......
变幅杆是超声波加工中的一个重要部件。在采用四端网络设计的复合多阶变幅杆的基础上,采用ANSYS对其进行有限元分析,验证其设计的准......
Full-bridge Zero-Voltage-Switch PWM converter combines advantages of the PWM control technique and resonant technique. H......
A two-staged electronic ballast with wide dimming range, high power factor(PF) and low electromagnetic interference(EMI)......
为提高加速度传感器灵敏度,提出一种新的加速度敏感机制,并基于此原理设计了一种新的微机械谐振式加速度传感器结构。分析了加速度......
介绍一种以串联谐振变换器为充电电路的高压脉冲电源充电技术,分析了电路的工作原理,给出了电路设计时各主要参数的选择方法以及几个......
提出了一种新的启动方法--附加振荡启动,对其工作原理和电路结构作了详细的描述.仿真及实验结果验证了该方法的正确性,表明该方法......
运用谐振电路原理,设计出一种用于脉冲变压器高电压、大电流脉冲开关RSD(Reversely Switched Dynistor)的触发电路.重点设计了控制......
提出一种基于移相控制的三阶超高频感应加热电源谐振变换器。该拓扑结构能够很好地吸收电路中的分布电感和寄生电容。移相控制使得......
分析了一种利用LC谐振来实现低输入电流谐波的三相不控整流器,它利用交流侧串联电感与整流桥上桥臂二极管的并联电容谐振来改善输......