Quadrature相关论文
In this paper,a new spatial quadrature modulation(NSQM)scheme is proposed to improve the error performance of indoor vis......
In this letter, we present an invariant group of MKdV equationqt=q<sub>xxx</sub>-6q<sup>2</sup>qx.......
Let d≥1,S_d={u_g(1≤k≤n}be a finite sequence of points in the d-dimensional unitcube G_d=[0,1)~d.We define the discrep......
Three kinds of effective error bounds of the quadrature formulas with multiple nodes that are generalizations of the wel......
Quadrature formulas are considered for classes of smooth functions Wpr, Bpr,(?) with bounded mixed derivative or differe......
Effective polarization energy of the naphthalene molecular crystal: a study on the polarizable force
Apparent polarization energy of the localized charge in organic solids consists of electronic polarization energy, perma......
The development of a two dimensional numerical wave tank (NWT) with a rocker or piston type wavemaker based on the high ......
A fully integrated phase-locked loop(PLL) is presented for a single quadrature output frequency of 3.96 GHz.The proposed......
The design,implementation,and characterization of an image-rejection double quadrature conversion mixer based on RC asym......
An integrated fully differential ultra-wideband CMOS receiver for 3.1-4.8 GHz MB-OFDM systems is presented. A gain contr......
Laser Doppler vibrometer (LDV) has a potential application prospect in remote sensing.Based on the correlation theories ......
实现了应用于无线局域网收发机的集成低功耗 CMOS压控振荡器及其二分频器 .压控振荡器是由在片对称螺旋型电感和差分容抗管组成的 ......
The error vector magnitude(EVM) is extensively applied as a metric for digital transmitter signal quality compliance in ......
A single-chip low-power transceiver IC operating in the 2.4 GHz ISM band is presented. Designed in 0.18 μm CMOS, the tr......
A doubly clamped microbeam actuated by electrostatic force with squeezed gas film damping is a well-known and stan-dard......
Nystrm method is a new method for solving electromagnetic scattering problems. This paper gives the detailed descriptio......
开发了一个新颖的考虑布局因素的用于射频 CMOS多相位滤波器的优化和合成工具—— PPFOPTIMA.在优化引擎中使用了遗传算法用来避免......
To precisely determine the integrated orbit of the Chinese manned spacecraft mission,a smoother and Bayesian filter base......
Some noclassical properties in electromagnetic field are investigated for the interaction of two-modes initiallytaken i......
Quadrature Kalman Filter(QKF) and Reduced Quadrature Kalman Filter(R-QKF)in Ballistic Target Trackin
Recently there have been researches about new efficient nonlinear filtering techniques[1]~[3] in which the nonlinear fil......
A cost-effective 100-Gb/s transmitter with low-speed optoelectronic devices and high spectral effici
A 100-Gb/s high-speed optical transmitter is proposed and experimentally demonstrated.Based on frequency-quadrupling tec......
How to calculate the highly oscillatory integrals is the bottleneck that restraints the research of light wave and elect......
A voltage controlled oscillator(VCO) module is designed,which can be used for the third generation mobile communication ......
Digital calibration and control techniques for narrow band integrated low-IF receivers with on-chip frequency synthesize......
A CMOS quadrature LC-tank voltage-controlled oscillator topology which uses a planar spiral trans- former as coupling el......
In this paper,a new model based on an improved Brent Kung(BK) parallel prefix network(PPN) algorithm is proposed and rea......
A particle filtering based AutoRegressive (AR) channel prediction model is presented for cognitive radio systems. Firstl......
A wide-band frequency synthesizer with low phase noise is presented.The frequency tuning range is from 474 to 858 MHz wh......
A frequency synthesizer for the ultra-wide band(UWB) group #1 is proposed.The synthesizer uses a phaselocked loop(PLL) a......
The design of a digitally-tunable sixth-order reconfigurable OTA-C filter in a 0.18-μm RFCMOS process is proposed.The f......
In order to resolve the state estimation problem of nonlinear/non-Gaussian systems,a new kind of quadrature Kalman parti......
A low-power frequency synthesizer for GPS/Galileo L1/E1 band receivers implemented in a 0.18μm CMOS process is introduc......
This paper describes a 4 GHz fractional-N frequency synthesizer for a 3.1 to 5 GHz IR-UWB transceiver. Designed in a 0.1......
Optical ultra-wideband pulse generation and distribution using a dual-electrode Mach-Zehnder modulat
A novel approach to generate and distribute ultra-wideband(UWB) pulses in optical domain is investigated. In this propos......
A fully integrated CMOS phase-locked loop(PLL) which can synthesize a quadrature output frequency of 7.656 GHz is presen......
Matched filter is one of the key technologies to achieve high-speed data transmission. In this paper,a parallel finite-i......
A 5-GHz CMOS programmable frequency divider whose modulus can be varied from 2403 to 2480 for 2.4-GHz ZigBee application......
The design consideration and implementation of a CMOS frequency synthesizer for the portable hybrid global navigation sa......
This paper reports that the designed optical polarization mode dispersion compensator shows a good performance under the......
THE CLOSED-FORM SOLUTION OF VECTOR FINITE ELEMENT INTEGRAL EQUATIONS FOR THREE DIMENSIONAL ELECTROMA
In this paper,a set of closed-form formulas for vector Finite Element Method(FEM) to analyze three dimensional electroma......
Using differential detection,we perform polarization-multiplexing 160-Gb/s optical non-return-to-zero(NRZ) differential ......
A fractional-N frequency synthesizer-based multi-standard I/Q carrier generation system in 0.13μm CM
This paper proposes a sigma-delta fractional-N frequency synthesizer-based multi-standard I/Q carrier generation system.......
A high performance quadrature voltage-controlled oscillator(QVCO) is presented.It has been fabricated in SMIC 0.18μm CM......
In this paper, a low-noise preamplifier for MRI is designed and studied. A noise matching network consisting of three el......
The importance of high-performance,low-cost and millimeter-wave transmitters for digital communications and radar applic......
Efficiency and linearity of the microwave power amplifier are critical elements for mobile communication systems. A memo......
A high spatial resolution,high velocity resolution all-fiber laser Doppler vibrometry(LDV) based on heterodyne detection......
A fully integrated direct-conversion digital satellite tuner for DVB-S/S2 and ABS-S applications is presented.A broadban......
A 9.8-mW 1.2-GHz CMOS frequency synthesizer with a low phase-noise LC-VCO and an I/Q frequency divid
A 1.2 GHz frequency synthesizer integrated in a RF receiver for Beidou navigation is implemented in standard 0.18μm CMO......
