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[学位论文] 作者:Tran Minh Hau, 来源:昆明理工大学 年份:2013
[期刊论文] 作者:冯立松,黄鲁,白雪飞,席天佐,, 来源:半导体学报 年份:2010
A 3-5 GHz broadband flat gain differential low noise amplifier(LNA) is designed for the impulse radio ultra-wideband(IR-UWB) system.The gain-flatten technique i...
[期刊论文] 作者:刘军智,, 来源:Journal of Measurement Science and Instrumentation 年份:2013
A field-programmable gate array(FPGA)based high-speed broadband data acquisition system is designed.The system has a dual channel simultaneous acquisition funct...
[期刊论文] 作者:, 来源:Chinese Science Bulletin 年份:2010
We present a Luneberg-like cylindrical lens antenna experimentally using metamaterials.The cylindrical lens antenna with a broad bandwidth is made up of the non...
[期刊论文] 作者:薛庆生,王淑荣,李福田,, 来源:Chinese Optics Letters 年份:2009
A modified asymmetrical Czerny-Turner arrangement with a fixed plane grating is proposed to correctaberrations over a broadband spectral range by analyzing the...
[期刊论文] 作者:, 来源:The Journal of China Universities of Posts and Telecommunica 年份:2010
This article proposes a novel antenna structure by slot loading method based on the planar inverted F antenna(PIFA),which is fed by coaxial probe.The antenna st...
[期刊论文] 作者:李文渊,张茜,, 来源:Journal of Semiconductors 年份:2013
A novel broadband power amplifier fabricated in 0.13 m SiGe HBT technology is realized.The pseudo-differential structure is proposed to avoid the influence of t...
[期刊论文] 作者:陈明阳,张永康,祝远锋,佟艳群,周骏,, 来源:中国激光 年份:2009
A novel broadband directional coupler based on an asymmetric dual-core photonic crystal fiber (PCF) isproposed.The asymmetry in the fiber is introduced by the...
[期刊论文] 作者:贾敏,顾学迈,郭庆,, 来源:Journal of Central South University of Technology 年份:2010
A new structure of next generation integrated communication system was proposed, which is composed of space segment based on satellites and terrestrial segment....
[期刊论文] 作者:李惠彬,孙振莲,彭信,, 来源:Journal of Beijing Institute of Technology 年份:2010
The noise prediction of the turbocharger is studied.The broadband noise source model is employed to predict the near-field noise of the turbocharger.The 3D soft...
[期刊论文] 作者:陈燕, 王卫亮, 陶庭俊,, 来源:中国药物经济学 年份:2018
目的探讨强脉冲光(IPL)治疗仪Lumenis One和Broad Band Light(BBL)治疗面部光老化的疗效和满意度。方法选取2015年1月至2016年12月于阳江市人民医院皮肤科治疗的90例面部光老...
[期刊论文] 作者:LIAO Fengchai,LI Peng,LIU Wenju,, 来源:Chinese Journal of Acoustics 年份:2013
Based on the analysis of the shortcomings of broadband MUSIC algorithm with short-time Fourier transform(SF-MUSIC) for sound source localization,a broadband MUS...
[期刊论文] 作者:彭立兴,, 来源:科技资讯 年份:2008
Inmarsat公司提供的Swift Broadband技术,是面向民航客机、公务机、专机等用户开发出来的新型数字通信技术,以满足乘客、机组以及飞行员的宽带通信需求。它利用数字卫星通信...
[期刊论文] 作者:姜桂铖,韦先涛,陈永虎,段昌奎,尹民,, 来源:Journal of Rare Earths 年份:2013
An efficient near-infrared (NIR) downconversion (DC) by converting broadband ultraviolet (UV) into NIR was demonstrated in YVO4:Tm3+,Yb3+ phosphors. The phospho...
[期刊论文] 作者:张洪林,胡斌杰,章秀银,, 来源:Chinese Physics B 年份:2012
A compact and broadband circularly polarized (CP) annular ring antenna with wide beam-width is proposed for multiple global navigation satellite systems (GNSS)...
[期刊论文] 作者:Takaaki Hase,Nobuhiko Yamasaki,Tsutomu Ooishi,, 来源:Journal of Thermal Science 年份:2011
In order to elucidate the broadband noise of fan,the numerical simulation of fan operating at two different rotational speeds is carried out using the three-dim...
[期刊论文] 作者:, 来源:Chinese Journal of Acoustics 年份:2000
A method to design a beamformer for broadband constant beamwidth is presented. Constant beamwidth is important in sonar systems for sea bottom observation and c...
[期刊论文] 作者:, 来源:Science China(Technological Sciences) 年份:2011
Scavenging vibration energy directly from environments is an attractive technique for potentially powering small and/or wireless electronic devices in a smart s...
[期刊论文] 作者:郑耀华,章国豪,郑瑞清,李思臻,林俊明,陈思弟,, 来源:Journal of Semiconductors 年份:2015
A broadband class-F power amplifier for multiband LTE handsets applications is developed across 2.3-2.7 GHz.The power amplifier maintains constant fundamental i...
[期刊论文] 作者:, 来源:Chinese Science Bulletin 年份:2011
We report a semiconductor saturable absorber mirror (SESAM) with phase shift compensation.The SESAM shows a uniform low-intensity reflectivity and a modulation...
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