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[期刊论文] 作者:林金朝,李国军,周晓娜,曾理,,
来源:重庆邮电大学学报(自然科学版) 年份:2008
长期以来,CW电报通信都靠人工操作来完成,难以满足大容量、高速度的要求,如何实现CW电报的自动检测与识别,减少人为因素的影响,提高其有效性是当前高频CW电报研究的重要课题...
[期刊论文] 作者:李国军,周晓娜,曾理,林金朝,,
来源:山西电子技术 年份:2008
在强噪声背景下,高频CW信号的包络检波检测法难以有效跟踪信号波形,检测性能严重下降。针对此问题,提出一种基于Kalman滤波的微弱CW信号检测方法。该方法采用Kalman滤波器实时捕......
[期刊论文] 作者:JiBin Li (1) (2),
来源:中国科学:数学英文版 年份:2008
Using the methods of dynamical systems for two generalized Boussinesq systems, the existence of all possible solitary wave solutions and many uncountably infini...
[期刊论文] 作者:XiaoFeng Pang (1) (2),
来源:中国科学:物理学、力学、天文学英文版 年份:2008
A new variational-ansatz of states of electrons and phonons was proposed on the basis of the Holstein model in strongly coupled electron-phonon systems for stud...
[期刊论文] 作者:林金朝,胡啸,李云,李国军,,
来源:重庆邮电大学学报(自然科学版) 年份:2008
针对应用于环境监控的无线传感器网络既要处理时间敏感的紧急事件又要延长网络寿命这一矛盾,提出了一种基于无线传感器网络的紧急节点群通道机制,它使多个相邻的紧急节点组成紧急节点群并对其建立高速群通道,同时对通道外的节点休眠。通过NS2进行仿真验证,结果......
[期刊论文] 作者:XiaoPing Shi (1) (2), BaiQi,
来源:中国科学:数学英文版 年份:2008
Assume that the characteristic indexαof stable distribution satisfies 1【α【2,and that the distribution is symmetrical about its mean.We consider the change p...
[期刊论文] 作者:KeFeng Liu (1) (2), XiaoKui,
来源:中国科学:数学英文版 年份:2008
In this paper, we generalize the Bochner-Kodaira formulas to the case of Hermitian com- plex (possibly non-holomorphic) vector bundles over compact Hermitian (p...
Simulation of general three-body interactions in a nuclear magnetic resonance ensemble quantum compu
[期刊论文] 作者:WenZhang Liu (1) (2), JingFu,
来源:中国科学:物理学、力学、天文学英文版 年份:2008
Three-body interaction plays an important role in many-body physics,and quantum computer is efficient in simulating many-body interactions. We have experimental...
Observation results of relativistic electrons detected by Fengyun-1 satellite and analysis of relati
[期刊论文] 作者:XiaoChao Yang (1) (2), ShiJi,
来源:中国科学:物理学、力学、天文学英文版 年份:2008
The space particle component detector on Fengyun-1 satellite which works at the sun-synchronous orbit of about 870 km altitude has detected relativistic electro...
[期刊论文] 作者:LongFei Liu (1) (2), LanHong,
来源:中国科学:物理学、力学、天文学英文版 年份:2008
This paper reports a comparative study of shear banding in BMGs resulting from thermal softening and free volume creation. Firstly,the effects of thermal soften...
[期刊论文] 作者:ZhangFeng Huang (1) (2), Heng,
来源:中国科学:物理学、力学、天文学英文版 年份:2008
The inflow conditions for spatial direct numerical simulation(SDNS) of turbulent boundary layers should reflect the characteristics of upstream turbulence,which...
Discovery of Cu-Ni-Zn-Sn-Fe intermetallic compounds and S-bearing alloys in the Zhaishang gold depos
[期刊论文] 作者:JiaJun Liu (1) (2), GuangJia,
来源:中国科学:地球科学英文版 年份:2008
Examination of ores by optical microscope and EPMA from the Zhaishang gold deposit, southern Gansu Province, has revealed an abundance of rare minerals. These i...
[期刊论文] 作者:JiaShi Yang (1) (2), ZengTao,
来源:中国科学:物理学、力学、天文学英文版 年份:2008
The results on theoretical and numerical modeling of resonant piezoelectric devices in China are reviewed. Solutions to dynamic problems of the propagation of b...
[期刊论文] 作者:Li Yao (1) (2), Sheng-Hsien,
来源:中国科学:化学英文版 年份:2008
The importance of anharmonic effect in dissociation of molecular systems especially clusters has been noted. In this paper, we shall study the effect of coupled...
Selection of adsorbents for in-situ coupling technology of adsorptive desulfurization and biodesulfu
[期刊论文] 作者:HuaiYing Zhang (1) (2), QingF,
来源:中国科学:化学英文版 年份:2008
In-situ coupling of adsorptive desulfurization and biodesulfurization is a new desulfurization technol- ogy for fossil oil. It has the merits of high-selectivit...
[期刊论文] 作者:GuanJun Chang (1) (2), ShiZhe,
来源:中国科学:化学英文版 年份:2008
A series of poly(aryl amine ketone)s have been obtained by the condensation polymerization of different aromatic dibromides with different primary aromatic diam...
[期刊论文] 作者:Wei Wang (1) (2), Chengxiang,
来源:中国科学:化学英文版 年份:2008
Compared with the traditional thin film techniques, the matrix-assisted pulsed laser evaporation (MAPLE) technique has many advantages in the deposition of poly...
[期刊论文] 作者:YanLi Cheng (1) (2), XueSong,
来源:中国科学:化学英文版 年份:2008
Based on atmospheric chemical kinetics, the rate constant of overall pseudo-first order oxidation re-moval of gaseous pollutants (Kpor,T) is proposed to charact...
Integration of genetic virtual screening patterns and latent multivariate modeling techniques for QS
[期刊论文] 作者:ZhiLiang Li (1) (2), FeiFei,
来源:中国科学:化学英文版 年份:2008
Both the concept and the model of snug quantitative structure-activity relationship (QSAR) were pro-posed and developed for molecular design through constructin...
[期刊论文] 作者:李辉[1],史建卫[2],杨冀丰[2],李明雨[1],谢军[2],
来源:2008中国电子制造技术论坛 年份:2008
钛合金具有优越的抗腐蚀性能,被广泛地用作波峰焊机的炉胆材质。但是在使用有铅钎料进行波峰焊接时,常出现穿孔现象。本文通过采用DES,XRD和SEM等分析手段对其进行了深入地分析,......
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