tuning相关论文
High-performance microwave hardware is used in a wide spectrum of communications systems, in particular, communication s......
合成孔径激光雷达系统中光源的参数对整个系统设计乃至后期信号处理算法研究是十分重要的。在使用全光纤激光器作为系统光源时,需要......
半导体激光器是光纤传感系统中的重要组成部分之一, 它的输出功率和波长的稳定性决定着整个光纤传感系统的测量精 度, 为了满足传......
In injection moulding production,the tuning of the process parameters is a challenging job,which relies heavily on the e......
This paper presents a new CMOS LC-VCO with a 2.95–3.65 GHz tuning range.The large tuning range is achieved by tuning cu......
A low-power frequency synthesizer for GPS/Galileo L1/E1 band receivers implemented in a 0.18μm CMOS process is introduc......
A complementary metal oxide semiconductor (CMOS) voltage controlled ring oscillator for ultra high frequency (UHF) radio......
The design consideration and implementation of a CMOS frequency synthesizer for the portable hybrid global navigation sa......
A 2.4 GHz high-linearity low-phase-noise cross-coupled CMOS LC voltage-controlled oscillator(VCO) is implemented in stan......
A high performance quadrature voltage-controlled oscillator(QVCO) is presented.It has been fabricated in SMIC 0.18μm CM......
A novel transformer-type variable inductor is proposed to achieve a wide tuning range at frequencies as high as K band.T......
We report the fabrication of widely tunable ridge waveguide distributed Bragg reflector(DBR) lasers with InGaAsP butt-jo......
We propose a novel hybrid phase-locked loop(PLL) architecture for overcoming the trade-off between fast locking time and......
Broadband and high-speed swept external-cavity laser using a quantum-dot superluminescent diode as g
A wide wavelength tuning range swept external-cavity laser using an In As/Ga As quantum-dot superluminescent diode as a ......
We report a wavelength swept fiber laser at the 1 μm region based on an actively mode-locked dispersion-tuning techniqu......
This paper describes a low phase noise, wide tuning range and high tuning linearity CMOS voltage controlled crystal osci......
A 1.4–2 GHz phase-locked loop(PLL) ∑–Δ fraction-N frequency synthesizer with automatic frequency control(AFC) for 80......
A 0.8–4.2 GHz monolithic all-digital PLL based frequency synthesizer for wireless communications is successfully realiz......
A wide band, injection-coupled LC quadrature voltage control oscillator is presented. In the proposed circuit, two oscil......
We demonstrate an indoor 5 m free-space optical wireless coherent communication in mid L-band(1606.7 nm)by employing a t......
Compact, submilliwatt, 2 × 2 silicon thermo-optic switch based on photonic crystal nanobeam cavities
We propose and experimentally demonstrate a 2×2 thermo-optic(TO) crossbar switch implemented by dual photonic crystal n......
Early bearing faults can generate a series of weak impacts. All the influence factors in measurement may degrade the vib......
This year’s government work report confirmed speculations that the Chinese economy will slow down further in 2015 by lo......
An intelligent remote control system based on a power distribution unit(PDU) and Arduino has been designed for the elect......
A fully integrated VCO and divider implemented in SMIC 0.13-μm RFCMOS 1P8M technology with a 1.2 V supply voltage is pr......
An LC-VCO with an enhanced quality factor(Q) varactor for use in a high-sensitivity GNSS receiver is presented.An enhanc......
A constant loop bandwidth fractional-TV frequency synthesizer for portable civilian global navigation satellite system(G......
A wideband LC-tuned voltage-controlled oscillator(LC-VCO) applied in LTE PLL frequency synthesizers with constant AVco/......
A new and intelligent design method for PID controller with incomplete derivation is proposed based on the ant system a......
The cohort intelligence (CI) method has recently evolved as an optimization method based on artificial intelligence. We ......
Dual axis laser scanning diameter measuring gauge system(DALSDMGS) with PID controller,which can be used for online non-......
In accordance with the feature of pure delay in monitor AGC system for cold rolling mill, a new fuzzy self-tuning PID Sm......
北京大学正在设计β=0.09,频率为 162.5 MHz taper型的二分之一波长射频超导谐振腔(HWR腔),这种腔针对高流强质子束(约 100 mA)和......
Based on uniform fiber Bragg grating bonded with a magnetostrictive rod in the non-uniform magnetic field, a novel PMD c......
The traditional PID controller can’t adapt to time-variant, uncertain and nonlinear system. In this paper, a new fuzzy ......
Recently ionic liquids(ILs) are introduced as novel dual function gas hydrate inhibitors. However, no desired gas hydrat......
Tuning oxygen vacancies in two-dimensional iron-cobalt oxide nanosheets through hydrogenation for en
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......
Effect of Length Scale Tuning of Background Error in WRF-3DVAR System on Assimilation of High-Resolu
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......
The DTL tank is a multi-cell cavity.In a fabricated tank,the measured average axial field E0 for each cell may obviously......
自抗扰控制器(ADRC)广泛应用于国内外工程领域,如何快速有效的整定自抗扰控制器的参数是限制其应用主要难点之一。自抗扰控制器的......
为了简化激光器结构,减少腔内损耗,首次提出利用LiNbO3电光晶体较高的色散特性,实现2μm波段可调谐激光器的调Q与调谐.将LiNbO3晶......
A robust tuning method for (A)str(o)ms two-degree of Freedom Modified Smith Predictor (MSP) is proposed, and it can achi......
In the study of reservoirs, it is vital that we have a realistic physical model of the reservoir fluid that accurately d......
A method based on circuit model is used to tune the first home-made 9-cell TESLA type super-conducting niobium cavity at......
摘 要:作为汽车的核心部分,电动汽车底盘直接影响整车表现,底盘系统的研发对汽车综合性能提升带来的影响极为深远,这使得近年来相关研......
Oracle数据库应用系统性能优化是一个周而复始的系统工程.本文论述了Oracle数据库管理系统的一些基本工作原理,并分析了一些影响应......
文章在分析DEB协调控制系统的结构、原理及特点的基础上,结合“w”火焰锅炉的特性,设计合理的协调控制策略,并对投运过程中出现的问题......
ORACLE8数据库管理系统作为一种面向网络计算,并支持对象关系模型的产品已得到了广泛的应用.而如何对各种影响系统运行性能的因素......