Termi相关论文
An accurate and broad|band method for heterojunction bipolar transistors (HBT) small|signal model parameters|extraction ......
For experimental and discussion purposes,a new method is studied and applied for the objec-tive evaluation of the《natu......
Photoluminescence study of the annihilation process of donor-bound excitons in ZnO:observation of qu
We report a photoluminescence observation of the coupling of donor-bound excitons and longitudinal optical phonons in hi......
Single-photon interconnector composed of two individual one-dimensional nano-waveguides and a single
Recently, theoretical and experimental nano-sized fundamental devices for optical circuits have been proposed at the sin......
Differential effects of controlled hypotension on gastric intramucosal pH and post-operational gastr
Objective:To observe the effects of controlled hypotension on gastric intramucosal pH and post-operational gastrointesti......
Role of connexin-related signalling in hepatic homeostasis and its relevance for liver-based in vitr
Direct intercellular communication mediated by gap junctions constitutes a major regulatory platform in the control of h......
Simultaneous thermogravimetry-differential thermal analysis(TG-DTA) was used to study the kinetics and the degradation o......
Using umbrella sampling technique with molecular dynamics simulation,we investigated the nanoflu-idic transport of water......
The Uighur era,spanning between the 9th and the 13th centuries,is the golden age of general Turkic culture.Uighurs found......
Beamforming techniques for massive MIMO systems in 5G: overview, classification, and trends for futu
Massive multiple-input multiple-output(MIMO) systems combined with beamforming antenna array technologies are expected t......
In this paper, we lower the upper bound of the number of solutions of oracle transformation polynomial F(x) over GF(q)......
In this paper, the average packet delay on IEEE 802.11 DCF under finite load traffic in multi-hop ad hoc networks is ana......
In this paper, an asynchronous cooperative cellular system applied with space-time block coding (STBC) is investigated. ......
Considering that the collision caused by hidden terminal is particularly serious due to the narrow beams of optical devi......
A prediction method of strata movement in underground metal mines is put forward, in which fuzzy BP neural network is ap......
With the fast development of civil aviation air traffic services in our country, the standard of message contents,format......
建立了板坯连铸过程中,垂直拉坯方向传热的二维切片跟踪铸坯凝固数学模型.利用有限元软件ANSYS对板坯连铸凝固过程进行了瞬态热分......
通过对云驾岭矿较薄厚煤层综放的开采实践,提出了开采中存在的问题,并对如何提高综放工作面单产进行了探讨。......
The Law of the People’s Republic of China on Employment Contracts has stoked wide concern across China.One of the focus......
文章针对两轮自平衡车的平衡控制问题,提出一种新型滑模控制方法。该方法首先将平衡控制系统分解为摆角子系统和位移子系统,分别设计......
为了确定采用激光半主动制导的末段脉冲修正弹的攻击区域。建立了导引头探测区模型.建立了六自由度有控弹道方程组.并提出了攻击区建......
核电仪控施工图设计有别于常规电力仪控设计,这同核电的自身特点有关,核电仪控施工图设计从人力组织、技术组织到卷册分类都要求精......
滑模控制在提高滑模面速度时会有较大抖振。文章设计了一种新型滑模控制器,该滑模控制器不需要微分估计器及额外的滤波装置,就可抑......
研究了超音速反舰导弹的末制导问题.利用伪控制变量的概念,建立了简单的描述反舰导弹与目标舰艇相对运动的状态方程.根据最优控制......
根据布撒器的作战要求,推导了一种闭环形式的具有末端角度约束的导引规律,并分析了工程实用性.该导引律保证了布撒器在飞抵目标点......
介绍了解放军医学图书馆上网行为管理系统的主要功能,指出了上网行为管理系统的局限性及解决办法。......
Accidentally ingested foreign bodies, for the most part, pass through the gastrointestinal tract, but can cause several ......
"户户通"直播卫星电视是由广电总局负责实施的惠民工程,以最低成本、最快速度、最有效的方式,从根本上解决广大农村听广播看电视难......
随着计算机网络技术和多媒体技术的迅速发展,各种各样的多媒体视音频点播服务系统可谓是层出不穷,其中大部分基于网络的多媒体视音......
目的:了解干预性早产的构成因素以及对母婴预后的影响。方法:回顾性分析我院64例干预性早产病例的临床资料。结果:妊娠期肝内胆汁淤积......
为了改善负载的扰动性和系统参数变化对永磁同步电机性能的影响问题,提出了一种新型的非线性的复合积分滑模面,设计了基于分数阶的......
在末制导段采用动能拦截器拦截战术弹道导弹,可以利用其快速响应的直接力控制技术,提高命中精度,达到直接碰撞杀伤目标的目的,本文探讨......
在DCS中建立阳极保护恒电位仪的控制系统,实现了在DCS终端调节电位的功能....
提出基于扩张状态观测器(Extended state observer,ESO)与非奇异终端滑模(Nonsingular terminal sliding mode,NTSM)的车辆主动前......
本文给出了 Warshall 算法的一个正确性证明,不仅简明,而且极有利于对 Warshall 算法本身的理解。对于自动编译程序构造中的基本问......
为了减少大型电动机起动时对电网的冲击影响,软起动方式得到了广泛的应用。结合齐鲁石化2 600 kt/a催化裂化装置中14 MW备用风机起......
从智能电视终端的发展演进出发,介绍了传统运营商的业务开通方式以及智能电视终端出现后对传统业务开通方式的改变,并根据这些改变......
基于Kane方法建立了末敏弹刚柔耦合系统动力学模型并进行了仿真计算。模型将降落伞处理为柔性体,并用模态展开法表达降落伞的弹性位......
通过采用弯拉、劈裂、重复加载和压缩等方法进行试验研究,系统地研究了加铺土工合成材料的沥青混合料的力学特性.结果表明,土工合......
首先,对一类非最小相位的非线性系统模型进行了描述;然后,基于反馈线性化的思想将其转换为规范型,提出了采用滑模面对其输出进行了......
基于水库移民后扶项目管理末端监督理论,提出了后扶项目电子治理平台的业务需求、系统体系架构和功能设计。该平台为水库移民各级......
该文通过对带铝套管的分段弹侵彻半无限钢靶的研究分析,以流体动力学和侵彻力学为基础,提出了一个分段弹垂直侵彻无限厚靶的简化模型......
本文提出了从化石能源的源头、过程和终端三个方面分别探讨了高碳能源低碳化的途径。开发和选择适宜的原料和工艺,从源头上避免产生......
基于传统脉冲发动机点火控制逻辑,从理论上分析了点火相位特性和剩余误差,发现当脉冲发动机数量不足时,存在着较大的剩余误差。提出了......
这篇论文建议一个新方法为为非线性的系统的预兆的控制(MPC ) 建模计算稳定性区域和可行起始的控制侧面 / 顺序,它对 MPC 的实现重......
Antibacterial Screening of Fifteen Cameroonian Medicinal Plants against Staphylococcus aureus, Esche
...
目的 比较国产和进口米索前列醇的抗早孕效果。方法 对我院1997年6月应用国产及进口米索前列醇配伍米非司醇抗早孕共90例进行比较。结果......
针对国内某钢厂采用Nb微合金化和控冷工艺生产HRB500高强度抗震钢筋出现的伸长率偏低情况,取样进行了金相显微组织、断口形貌、夹杂......