Modulator相关论文
提出了一种基于石墨烯的复合波导调制器,用严格的三维数值仿真结果展示了该调制器的工作状态。利用调制器狭缝中的表面等离激元对......
设计了一种基于栅状结构石墨烯超材料的电控器件, 利用有限元分析方法研究了其太赫兹波偏振调制特性。结果表明：在0.1~2.0 THz的宽......
提出了一种基于耦合射频(RF)信号和单个马赫-曾德尔调制器(MZM)的可调光学频率梳(OFC)产生方案,采用低成本的耦合射频信号替代高成......
超荧光光纤光源(SFS)具有高稳定性,是光纤传感器(FOSs)中一种理想的光源。SFS光源的相对强度噪声(RIN)是影响FOSs性能的一个重要的......
For the conventional modulation and demodulation of Minimum Frequency Shift Keying(MSK), the new models for modu- lation......
This article presents a control strategy based on simple digital pulse-width modulation(DPWM)and pulse-skip modulation (......
We theoretically analyze and experimentally demonstrate a method of generating equal-amplitude optical comb exploiting m......
The importance of high-performance,low-cost and millimeter-wave transmitters for digital communications and radar applic......
This paper introduces a mixed continuous-time/discrete-time,single-loop,fourth-order,4-bit audio-band sigma delta ADC th......
We experimentally demonstrate that a high-power 0.1-THz continuous wave can be generated by external modulation. A low-n......
Recirculating frequency shifter(RFS)can generate stable multi-carrier,but the carrier-to-noise-ratio(CNR)is limited beca......
A digital input class-D audio amplifier with a sixth-order pulse-width modulation(PWM)modulator is presented.This modula......
A metamaterial based on complementary planar double-split-ring resonator (DSRR) structure is presented and demonstrated,......
A simple and cost-effective remodulation scheme using a two-section reflective semiconductor optical amplifier(RSOA) is ......
We report a wavelength swept fiber laser at the 1 μm region based on an actively mode-locked dispersion-tuning techniqu......
A 1.4–2 GHz phase-locked loop(PLL) ∑–Δ fraction-N frequency synthesizer with automatic frequency control(AFC) for 80......
We experimentally observe that Si micro-ring modulator(MRM) modulation characteristics are strongly influenced by the mo......
We present an equivalent circuit model for a silicon carrier-depletion single-drive push–pull Mach–Zehnder modulator(M......
目前人们已经实现了很高的调制深度,但是缺少对如何实现调制深度可调的研究,不利于实现波整形。利用石墨烯的电调谐性以及石墨烯超......
Single photon modulation has been proposed to overcome the defects of the low signal-to-noise ratio(SNR)and slow process......
Y2002-63474-71 0327967小范围应用的毫米波检波器=A mm-wave detector forshort range apphcations[会,英]/Brabetz,T.＆Fusco,V.F......
A stable, single-longitudinal-mode, nanosecond-pulsed Nd:YAG laser with a laser-diode dual-end pumping arrangement is co......
Lithium niobate on insulator(LNOI)is rising as one of the most promising platforms for integrated photonics due to the h......
AIM: To investigate the anti-tumor effects of nuclear factor-κB (NF-κB) inhibitor SN50 and related mechanisms of SGC79......
This paper describes a low-power low-cost 24-bit Σ-digital-to-analog converter (DAC) for portable digital-audio applica......
Morphology and size controlled synthesis of Co-doped MIL-96 by different alkaline modulators for sen
This work introduces a simple and facile approach for the morphology and size controlled synthesis of Co-doped MIL-96. B......
A double chopper-stabilized analog front-end(DCS-AFE) circuit for a thermopile sensor is presented,which includes a clos......
Abstract Silicon photonics， one of the most promising candidates for breaking the bottleneck of current optical transmiss......
分析了FMDV各血清型病毒基因编码起始区与终止区的密码子使用偏性。结果表明，FMDV各血清型中的稀有密码子倾向出现于编码起始区，而终......
作为一种高压高功率脉冲源,MARX发生器已经在一些领域得到了广泛应用。文中首先将典型的MARX发生器与常用的高压脉冲调制器在性能......
超材料指的是一些具有人工设计的结构,并呈现出自然材料所不具备的超常物理性质,它能够以一种新奇的方式实现对电磁波的调控。文中......
In this paper,in order to reduce power consumption and chip area,as well as to improve the performance of the bandpass s......
尽管直接调制激光二极管控制光波是一种简单且重要的调制方式,但光波导结构的调制器将使器件性能得到惊人的改善,本文简略介绍了聚......
SUPPRESSION OF ANGⅡ AFTER ACUTE SALINE LOAD ASSOCIATED WITH THE CHANGES OF PLASMA ANP AND SODIUM MET
Objective To observe the changes of plasma AngⅡ,ANP and their relationship with urine sodium excretion in salt sensitiv......
合肥光源速调管走廊内存在着强电磁辐射噪声,这些噪声来源于氢闸流管的脉冲放电. 本文阐述了合肥光源高压脉冲调制器放电电路的组......
介绍了合肥同步辐射光源速调管调制器改造项目.在新的设计中采用了开关型恒流PFN充电电源,计算了充电参数,建立了主放电回路的仿真......
分析Clinac iX型医用直线加速器MOD联锁的发生原因,检查高压脉冲形成网络(PFN)放电电路,同时发现高压脉冲电缆漏电或速调管灯丝局......
地面移动通信、互联网与航天技术等的高速发展使得太赫兹通信系统备受关注,其中太赫兹调制器负责将基带信号调制到太赫兹频段,是太......
电磁波发射机在电磁波观测系统研究项目中起了很好的作用。本文详细介绍了发射机的研制、指标、使用方法及试验结果。......
提出了一种基于CPLD的全数字高频脉宽调制器的实现电路,并对电路的工作原理和工作过程进行了详细的叙述,给出了实验波形和实验数据......
基于目前工业上广泛应用的高精度数字Δ∑调制器，提出了一个创新的改进结构。该结构性能优良，信噪比达到100dB，而且面积和功耗都有大......
为了达到回扫脉冲调制器的预期指标,计算了相关参数;说明了选择回扫调制器作为脉冲高压电源的原因。该脉冲调制器可提高单个光导开......
尽管直接调制激光二极管控制光波是一种简单且重要的调制方式,但光波导结构的调制器将使器件性能得到惊人的改善,本文简略介绍了聚......
提出了一种新的采用ΣΔ调制和无损离散积分振荡器来产生片内模拟信号的方法.研究了电路的实现原理和噪声传递函数零点优化设计方......
<正>The zymogen thrombin activable fibrinolysis inhibitor(TAFI),also known as procarboxypeptidase U(proCPU),was first de......
针对微弱重力信号测量中加速度计的数字输出接口电路应具有高分辨率的问题，引入了开关电容（SC）sigma—delta调制器（SDM）．基于SDM的工作原......
∑-Δ调制器作为数字D类功放的一个重要模块,性能的高低直接影响着数字D类功放的总体性能。针对目前所存在的高阶多位∑-Δ调制器......
介绍了一种新颖的大功率固态高压线性调制器,阐述了其工作原理、设计方法及工作特点,并给出仿真和实验结果.......
为确保110MW脉冲调制器运行稳定可靠、维修安全和人员安全,同时满足中国科学院上海应用物理研究所100MeV直线加速器总体控制对调制......
