云南高校图书馆联盟文献共享服务平台- DIRECT-CONVERSION

DIRECT-CONVERSION: 作品数：14被引量：4H指数：1; 导出分析报告; 相关领域：电子电信更多>>; 相关作者：夏玲琍黄煜梅李伟男郑永正洪志良更多>>; 相关机构：复旦大学清华大学更多>>; 相关期刊：《Frontiers of Information Technology & Electronic Engineering》《ZTE Communications》《Progress of Electrical and Electronic Engineering》《Journal of Semiconductors》更多>>; 相关基金：国家自然科学基金中国博士后科学基金霍英东教育基金国家高技术研究发展计划更多>>

Sensitive direct-conversion X-ray detectors formed by ZnO nanowire field emitters andβ-Ga_(2)O_(3)photoconductor targets with an electron bombardment induced photoconductivity mechanism被引量：1: 《Photonics Research》2021年第12期2420-2428,共9页ZHIPENG ZHANG MANNI CHEN XINPENG BAI KAI WANG HUANJUN CHEN SHAOZHI DENG JUN CHEN; National Natural Science Foundation of China(91833303,62001527);National Key Research and Development Program of China(2016YFA0202000);Science and Technology Department of Guangdong Province(2020B0101020002);Fundamental Research Funds for the Central Universities,Sun Yat-sen University(2021qntd09)。; Sensitive X-ray detection is needed in diverse areas motivated by a common desire to reduce radiation dose.Cold cathode X-ray detectors operating with a photoelectron multiplication mechanism called electron bombardme...; 关键词：MECHANISM field limit

Standard-independent I/Q imbalance estimation and compensation scheme in OFDM direct-conversion transceivers: 《Frontiers of Information Technology & Electronic Engineering》2018年第3期388-397,共10页Fang-lin GU Shan WANG Wen-wu WANG; Project supported by the National Natural Science Foundation of China(No.61601477); Direct-conversion transceivers are gaining increasing attention due to their low power consumption. However, they suffer from a serious in- and quadrature-phase （I/Q） imbalance problem. The I/Q imbalance can severel...; 关键词：In-and quadrature-phase（I/Q）imbalance Orthogonal frequency division multiplexing（OFDM） Standard-independent

Design and Optimization of A Direct-Conversion Double-Balanced Mixer for RF Receiver Front-End被引量：1: 《Progress of Electrical and Electronic Engineering》2018年第3期12-20,共9页Frederick Ray I. Gomez; Differential implementation is becoming highly favoured in RFIC (radio frequency integrated circuit) design, notably its high immunity to common-mode noises, acceptable rejection of parasitic coupling, and increased d...; 关键词：Double-Balanced MIXER Direct CONVERSION CONVERSION Gain Noise Figure RF FRONT-END

Decoupled estimation of frequency-dependent IQI and channel for OFDM systems with direct-conversion transceivers被引量：1: 《Journal of Systems Engineering and Electronics》2017年第3期435-441,共7页Yan Liang Rongfang Song Fei Li Xueyun He Lihua Yang; supported by the National Natural Science Foundation of China(61401232;61471200;61501248;61501254);the China Postdoctoral Science Foundation(2014M561692);the Jiangsu Province Postdoctoral Science Foundation(1402087C);the NUPTSF(NY213063); The in-phase and quadrature-phase imbalance (IQI) is one of the major radio frequency impairments existing in orthogonal frequency division multiplexing (OFDM) systems with direct-conversion transceivers. During the t...; 关键词：direct-conversion transceivers frequency-dependent in-phase and quadrature-phase imbalance (IQI) orthogonal frequency division multiplexing (OFDM) decoupled estimation

A carrier leakage calibration and compensation technique for wideband wireless transceiver: 《Journal of Semiconductors》2014年第6期102-108,共7页周立国彭锦袁芳方治颜峻石寅; A carrier leakage calibration and compensation technique based on digital baseband for a wideband wireless communication transceiver is proposed. The digital baseband transmits a calibration signal, samples the signal...; 关键词：802.11 n WLAN DIRECT-CONVERSION carrier leakage CALIBRATION DC offset

A programmable gain amplifier with digitally assisted DC offset calibration for a direct-conversion WLAN receiver被引量：1: 《Journal of Semiconductors》2012年第11期90-94,共5页姚小城龚正石寅; This paper presents a programmable gain amplifier（PGA） circuit with a digitally assisted DC offset cancellation（DCOC） scheme for a direct conversion WLAN receiver.Implemented in a standard 0.13-μm CMOS process,th...; 关键词：direct conversion receiver digital assisted DC offset cancellation segmented current mode digital-to-analog converter settling time

Design of Software-Defined Down-Conversion and Up-Conversion: An Overview: 《ZTE Communications》2011年第4期10-14,共5页Yue Zhang Li-Ke Huang Carsten Maple Qing Xuan; In recent years, much attention has been paid to software-defined radio （SDR） technologies for multimode wireless systems SDR can be defined as a radio communication system that uses software to modulate and demodul...; 关键词：SDR down-conversion UP-CONVERSION DIRECT-CONVERSION super-heterodyne conversion

Design and optimization of a 2.4 GHz RF front-end with an on-chip balun: 《Journal of Semiconductors》2011年第9期93-98,共6页徐化王磊石寅代伐; A 2.4 GHz low-power,low-noise and highly linear receiver front-end with a low noise amplifier（LNA） and balun optimization is presented.Direct conversion architecture is employed for this front-end.The on-chip balun ...; 关键词：FRONT-END LNA BALUN MIXER DIRECT-CONVERSION

CMOS highly linear direct-conversion transmitter for WCDMA with fine gain accuracy: 《Journal of Semiconductors》2011年第8期122-127,共6页李歆付健黄煜梅洪志良; Project supported by the National High Technology Research and Development of China(No.2009AA011605); A highly linear,high output power,0.13μm CMOS direct conversion transmitter for wideband code division multiple access（WCDMA） is described.The transmitter delivers 6.8 dBm output power with 38 mA current consumptio...; 关键词：WCDMA UMTS TRANSMITTER direct conversion CMOS

A fully integrated direct-conversion digital satellite tuner in 0.18μm CMOS: 《Journal of Semiconductors》2011年第4期111-115,共5页陈斯杨增汪顾明亮; Project supported by the National High Technology Research and Development Program of China(No2007AA01Z280); A fully integrated direct-conversion digital satellite tuner for DVB-S/S2 and ABS-S applications is presented.A broadband noise-canceling Balun-LNA and passive quadrature mixers provided a high-linearity low noise RF ...; 关键词：DIRECT-CONVERSION CMOS RF TUNER noise-canceling LNA passive mixer

DIRECT-CONVERSION