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[期刊论文] 作者：鄢社锋, 马远良,,
来源：声学学报 年份：2004
ue＊M＃’＃dkB4＃＃8＃”专利申请号:00109“7公开号:1278062申请日:00.06.23公开日:00.12.27申请人地址:（100084川C京市海淀区清华园申请人:清华大学发明人:隋森芳文摘:本发明属于生物技...
[期刊论文] 作者：LI Zheng-Lin,ZHANG Ren-He,
来源：中国物理快报（英文版） 年份：2004
A geoacoustic inversion scheme, which combines several inversion methods together to invert for the bottom parameters, has been proposed based on the fact that...
[期刊论文] 作者：,
来源：ZTE Telecommunications 年份：2004
1 IntroductionWith the rapid development of backbonenetworks,the subscriber accessnetwork,a major component of publictelecom network equipment and so-called the...
[期刊论文] 作者：H.Ehlers,T.Groβ,
来源：光学精密工程 年份：2004
This contribution is focused on applications of spectroscopic methods for the precise control of deposition processes. In this context, the present study gives...
[期刊论文] 作者：Wei-dong FANG,Yong XIONG,Xiang,
来源：测试科学与仪器 年份：2004
In this paper,we propose a wireless channel testing method and construct the test platform for the Gbps broadband wireless system.The proposed method is impleme...
[期刊论文] 作者：,
来源：ZTE Telecommunications 年份：2004
With the popularization ofDSL services,broadbandoperators face largeinvestment and highoperation cost.They alsoneed “killer applications”to make profits.Newte...
[期刊论文] 作者：张俊超,方明,邵宇川,晋云霞,贺洪波,,
来源：Chinese Physics B 年份：2004
The design and the deposition of a rugate filter for broadband applications are discussed.The bandwidth is extended by increasing the rugate period continuously...
[期刊论文] 作者：LIU Xinsheng,YU Ye,ZHANG Yijun,
来源：科学通报 年份：2004
The development of positive leader of an artificially triggered lightning has been analyzed based on the data of electric field change, location of radiation so...
[期刊论文] 作者：Wenyi Zhang,Hongya Song,Xin He,Longqian Huang,Xiyue Zhang,Junyan Zheng,Weidong Shen,Xiang Hao,Xu Liu,
来源：光：科学与应用（英文版） 年份：2004
Many applications requiring both spectral and spatial information at high resolution benefit from spectral imaging. Although different technical methods have be...
[期刊论文] 作者：Qunyan Ren,Jean Pierre Hermand,
来源：船舶与海洋工程学报（英文版） 年份：2004
Compared to a scalar pressure sensor,a vector sensor can provide a higher signal-to-noise ratio (SNR)signal and more detailed information on the sound field.Stu...
[期刊论文] 作者：王肇颖,王永强,李智勇,贾东方,林冉,葛春风,张瑞峰,李世忱,
来源：Chinese Optics Letters 年份：2004
With 4.28-km dispersion-flattened fiber (DFF), more than 254.9-nm 10-dB bandwidth on the right side of zero-dispersion wavelength and a 190.4-nm wide spectral...
[期刊论文] 作者：AN Jian-ping,XIA Cai-jie,WANG,
来源：北京理工大学学报 年份：2004
An improved polar exciser (IMPE) interference suppression method against broadband constant envelope binary phase shift keying (BPSK) interference is proposed....
[期刊论文] 作者：ZhaoyingWang,YongqiangWang,ZhiyongLi,DongfangJia,RanLin,ChunfengGe,RuifengZhang,ShichenLi,
来源：ChineseOpticsLetters 年份：2004
With 4.28-km dispersion-flattened fiber (DFF), more than 254.9-nm 10-dB bandwidth on the right side of zero-dispersion wavelength and a 190.4-nm wide spectral region with the uniformity of within -0.5 dB are obtained. While on the opposite side, 198.4-nm...
[期刊论文] 作者：Wang Xiao-Hui,Lǘ Zhi-Wei,Lin Dian-Yang,Wang Chao,Zhao Xiao-Yan,Tang Xiu-Zhang,Zhang Hai-Feng,Shan Yu-Sheng,
来源：中国物理（英文版） 年份：2004
Stimulated Brillouin scattering (SBS) numerical mode for broadband multimode KrF laser pump with optical breakdown has been built up in this paper. The basic pr...
[期刊论文] 作者：JIAO Hui-ying,AN Jian-ping,
来源：北京理工大学学报（英文版） 年份：2004
A least square (LS) parametric channel estimation method in broadband multiple input multiple output (MIMO) orthogonal frequency division multiplexing (OFDM) sy...
[期刊论文] 作者：JIANG Chun,Zeng Qingji,
来源：中国激光 年份：2004
An 80 nm bandwidth long wavelength erbium-doped fiber amplifier using a seed light injection method is designed.It is shown that when the wavelength of the seed...
[期刊论文] 作者：GUO Wei,CHEN Huai-xi,ZHANG Xin-bin,LI Wen-jian,Choge Dismas K,LI Guang-wei,LIANG Wan-guo,
来源：光电子快报（英文版） 年份：2004
We demonstrate a period poled tapered lithium niobate waveguide and study second harmonic generation (SHG) in this device for the purpose of broadening the quas...
[期刊论文] 作者：,
来源：ZTE Telecommunications 年份：2004
It is wise for fixed operators to make use of broadband wireless accesstechnologies,such as IEEE802.16d,to develop mobile access based ontheir existing fixed br...
[会议论文] 作者：,
来源： 年份：2004
A novel broadband magic-T based on stripline- slotline transition is proposed in this paper.The magic-T based on stripline-slotline transition has many advantag...
[期刊论文] 作者：XUEFei，QIUKun,
来源：电子科技学刊 年份：2004
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