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Virtual neighborhood technique for moduli spaces of holomorphic curves In Memory of Professor Zhengg
We use the technique of Ruan(1999)and Li and Ruan(2001)to construct the virtual neighborhoods and show that the Gromov-W......
We use the technique of Ruan(1999)and Li and Ruan(2001)to construct the virtual neighborhoods and show that the Gromov-W......
SINCE Olsen and Lempel constructed a family of optimal key sequences (called Bent se-quences) by using the trace functio......
For a function y=f(x)to have an inverse function,f must be one-to-one.Then for each x in its domian there is exactly one......
A general formulation of the method of the reverberation-ray matrix (MRRM) based on the state space formalism and plane ......
This paper presents the application of gamma ray scanning technique to distillation/absorption columns and FCC risers.Th......
Reservoir boundary shape has a great influence on the transient pressure response of oil wells located in arbitrarily sh......
BaZr1-xScxO3-0.5x (x=0.07,0.10,0.13,0.16) powders were prepared by solid-state reaction method,and ZnO was used as sinte......
The capability of neurons to discriminate between intensity of external stimulus is measured by its dynamic range.A larg......
Copper(Ⅱ) resorcylic acid(CuRes) nanoparticles were synthesized by using reactive precipitation method with resorcylic ......
For there is no overload control signal between Service Switch Point and Service Control Point at CALEL 2 stage of mobil......
Currently cellular networks do not have sufficient capacity to accommodate the exponential growth of mobile data require......
With the rapid development of Mobile ad hoc network(MANET), secure and practical authentication is becoming increasingly......
By analyzing previous studies on activation energy of coal oxidation at low temperatures, a theoretical cal- culation mo......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
协作频谱感知技术可以有效地克服多径衰落、阴影及隐蔽终端等问题,但在协作频谱感知中,存在系统控制信道带宽消耗较大,计算复杂等......
双电机联合驱动具有大功率、大转矩等优点,可提高企业在产品制造中的效率、降低成本.针对传动轴上的齿轮间隙会造成传动误差与回程......
研究了线性跟踪系统Lyapunov函数性质,并基于该性质进行控制系统设计研究,给出控制器结构和Lyapunov函数取值估计;首先,以经典三回......
利用算子方程方法和Ｂａｂｉｎ等人的技巧证明了无界区域上Ｋ－Ｓ方程在Ｈ中存在指数吸引子．......
本文利用指数型二分性理论讨论了一般高维概周期系统的概周期解的存在性和唯一性，所得结果推广了Ｅｚｅｉｌｏ的一个概周期解的存在性定理。......
针对重庆地铁四号线4.5%的大坡道牵引要求,重新对JC-2B型轨道检测车进行可靠性设计,包括可靠性分配以及子系统的分解。JC-2B轨道检......
对于一类具有状态和有限自动机输出时滞的离散混合系统,给出了混合观测器的设计方法。观测器由一个位置观测器和一个离散状态观测......
通过分析步进电动机在加减速时发生失步、过冲等现象的原因,结合步进电动机驱动离合器实现自动离合控制系统的特点,提出了步进电动......
杉木Cunninghamia lanceolata是中国特有的速生商品材树种。培育优质无性系苗木是杉木造林成功的关键。探讨了氮素指数施肥对杉木......
本文对公理A自同态建立了中心极限定理和大偏差估计，并且复习了已知的有关统计性结果。......
为验证滑模控制用于含随机干扰的车辆跟随系统的可行性,建立了车辆跟随系统模型和相应的随机车辆动力学模型.用滑模控制法设计了随......
通过构造合适的Lyapunov函数来研究脉冲时滞细胞神经网络系统，得出了脉冲时滞细胞神经网络系统反周期解存在性和指数稳定性的充分条......
利用滞留车辆与绿信比的关系建立了以最短等待时间为优化目标的数学模型，并通过免疫遗传算法得到点上最优解，将混沌交通流序列再引入......
研究了无界区域Rn(n≤3)上GBBM方程的长时间动力学行为ut-a△ut-b△u+▽F(u)+ru=h(x),x∈Rn,t∈R+,其中▽F(u)满足适当条件.应用算......
加权伪概自守函数是较伪概自守函数和渐近概自守函数更一般的一类函数,在Banach空间中, 利用Banach稳定点定理和算子理论的相关知......
利用算子半群分解技巧得到了一类广义对流扩散方程在L2（Ω）中指数吸引子的存在性．...
考虑了一类线性变分不等式问题，提出了求解它的一个射影神经网络模型，构造恰当的能量函数，给出了确保新模型稳定和有限时间收敛的3个......
该文通过系统变换技巧，构造出新型的Lyapunov泛函．利用此Lyapunov泛函，基于线性矩阵不等式，得到了随机Hopfield时滞神经网络与时滞相关......
利用了霍夫变换抗噪声能力强和能分离出属于不同直线附近点的特性,研究离散数据点集M中xi,yi满足指数函数关系时的曲线检测问题。......
采用数值方法分析了阻抗各向同性、波速不变的变阻抗传输线（指数型、双曲型和线性型）的电压反射系数,得到了能量传输效率与归一化频......
研究一类具有时滞的变系数双向联想记忆神经网络（BAM）的稳定性问题.由于时滞变系数双向联想记忆神经网络的平衡点不一定存在,分平衡......
刚建好的非编制作网投入使用后不久,用户终端读取数据时出现延时、播放图像画面出现卡顿或中断现象。通过查找系统日志发现主要原......
本文主要讨论了多元和型指数型算子在L_p逼近意义下非最优逼近阶的特征刻划问题。...
Study on the Real-Time Security Evaluation for the Train Service Status Using Safety Region Estimati
For the important issues of security service of rail vehicles, the online quantitative security assessment method of the......
