初夏写意

仰望那斑驳的阳光,城市小巷里的古树开始叶茂之繁,一片翠绿的颇色散发出夏的气息。街角的石墙,青苔早已疯长。爬着的几只蚂蚁,欢笑着清脆的鸟鸣;幽藏在树上的知了,不安分的吟唱着水月的时光。站在恬淡的风里,心湖那片柔情的碧绿,不时泛起阵阵青葱的涟漪,那阳光渗透到心底的温暖。犹如一场生命的远见,偶遇的细节,不经意间,我驻足回首,凝望所走过的路径,留下了几行深深浅浅的脚印,满眼绿意流淌着的韵律,早已拨动了夏日的心弦。     

关于软件产品的软件可靠性增长模型的改进及可靠性

提出改进的关于软件产品的软件可靠性增长模型.分析了关于软件产品的可靠性增长原模型的特性,指出了原模型的假设与实际情况不相符的方面;在充分考虑补丁对销售后的软件产品的作用下,将Littlewood对软件模型的思想-即在测试初期出现的错误对软件失效的影响大于后期出现的错误对软件失效率的影响-引入到原模型,并提出了改进的关于软件产品的软件可靠性增长模型.针对所提出的模型,利用测量的数据进行了实际仿真.     

草原舞曲

是谁的歌声在草原的天边响起,那时的我正在跟肥壮的马儿嬉戏,蒙古包内我为你做好的奶茶,正冒着腾腾的热气。马头琴拉出草原般绿色的乐曲,温暖的篝火照亮你绚丽的衣裙,我又看见翩翩起舞的你,天上的星星都为你眨着眼睛。又一个弥漫着赛马与博克的战士身影,我要与那个蒙古男人比试高低,看见身边激动万分的你,我倔强地赢回丰厚的奖品。古朴的蒙古地毯凝结着你的辛勤,我不知到底怎样表达我的万分感激,仿佛辽阔的一切都是你爱的给予,此刻只有那悠扬的琴声能说出我纯洁的爱意。草原舞曲@王智宏     

海盗盖特和他的珍宝

不祥的预兆华丽的银烛台上,一支支乳白色的照明烛散发着柔和的光芒。舞池内,道貌岸然的绅士、婀娜多姿的小姐、胖得发愁的贵夫人,还有风度翩翩的将军,正随着那旋律优美、节奏简洁的小舞曲,一对对,一双双,轻盈地旋着。这里是史蒂文森伯爵的客厅——全纽约最有名、最高贵的社交场合。能收到一张史蒂文森伯爵夫人的舞会请柬,是一个人在社交界的极大成功。两鬓斑白、沉着稳健的史蒂文森伯爵,和他的才新婚两年的伯爵夫人——据说原先是波士顿的一个有钱的孀妇,在全纽约的上流社会中是颇受敬重的。谁     

港区桥梁加固的要点探讨

港口工程的建设随着我国改革开放的进程取得了举世瞩目的成就,港区桥梁作为内部道路连接的关键节点对港口的正常运转起着至关重要的作用。随着经济社会的发展,港区桥梁的交通流量不断增加,各种形式的超载屡见不鲜,早期设计的桥梁安全储备低,需要加固的桥梁也越来越多。本文通过总结以往港区桥梁加固的经验,总结了港区桥梁加固常用的几种方法和应该注意的要点。     

人力资本价值实现的时代需求与管理对策

21世纪,人类进入了一个以知识为主宰的全新经济时代。在这一时代,人力资源与知识资本优势的独特性成为企业重要的核心技能,人力资源的价值成为衡量企业整体竞争力的标志。同时人力资源管理经历着前所未有的来自全球一体化的力量如信息网络化的力量、知识与创新的力量、顾客的力量、投资者的力量、组织的速度与变革的力量等各种力量的挑战和冲击。     

试论给排水工程的建筑设计和工程师的现代设计意识

随着社会的进步和人类对工作、生活环境要求的提高,人们对给排水工程的设计已除了要求有合理、先进的工艺流程,能生产出高质量的水,还需要整个厂区有一个整洁优美的环境和赏心悦目的建筑形态。这就必须对给排水工程的原有设计方法和程序思路有一个较大的改变。这些高要求的设计理念是要依附设计师们来实现的,这样一来对设计工程师不仅要求他对本专业的各类技术把握和运用的熟练程度外,重要的是要求他有符合社会发展的现代设计意识。把设计的全过程看成是一个持续发展的、不断开放的、经常变化的动态体系,才能完成时代的使命。     

穿越驮娘江

雄险奇透的大峡谷尽展大自然的壮美; 半个世纪前坠落的美军飞机引出岁月无法忘却的传奇; 光影斑驳的老码头不仅诉说一个古老商业重镇的沧桑,更叠印解放云南的大军留下的足印; 古朴的风情如一支支韵昧无尽的歌谣传唱着西部高原的神采……     

"激励"在人事管理中的实践

"竞争归根结底是人才的竞争,管理归根结底是对人的管理"的经验已上升为"以人为本"的管理理念.使调动人的积极性,发挥人的主观能动性、激发人的创造力,最大限度的挖掘人的潜能,成为人事管理的目标,而激励是实现目标的一种重要方式.     

关于城市发展对水文环境影响探究

伴随着国民经济的高速发展，城市的范围也越来越大，高楼大厦的林立，水泥路面的铺满，人口的逐年增加，植被的减少导致了空气污染和水污染，致使城市的水文环境面临着严峻的挑战。新时期的城市发展所带来的水文环境问题成为了水文观测工作的新课题。     

VC与Fortran混合编程及其在实验室水槽造波系统中的应用

为了提高造波软件的开发效率,界面和图形部分采用VC开发,波浪计算部分由Fortran编程,并成功地开发了实验室水槽造波软件的不规则波模块,为了验证该模块的准确性,对其主要的两个过程:即谱到时序列和时序列到谱进行了验证,结果令人满意。     

带有挡板的注液舱室地震响应分析（英文）

In thispaper, the effects of a rigid baffle on the seismic response of liquid in a rigid cylindrical tank are evaluated. A baffle is an annular plate which supplies a kind of passive control on the effects of ground excitation. The contained liquid is assumed incompressible, inviscid and has irrotational motion. To estimate the seismic response, the method of superposition of modes has been applied. To analyze the rigid tank response, Laplace's equation is considered as the governing equation of the fluid domain, in both time and frequency domains. The boundary element method(BEM) is employed to evaluate the natural modes of liquid in a cylindrical tank. To gain this goal, the fluid domain is divided into two upper and lower parts partitioned by the baffle. Linearized kinematic and dynamic boundary conditions of the free surface of the contained liquid have been considered.     

Seismic response of liquid-filled tank with baffles

In thispaper, the effects of a rigid baffle on the seismic response of liquid in a rigid cylindrical tank are evaluated. A baffle is an annular plate which supplies a kind of passive control on the effects of ground excitation. The contained liquid is assumed incompressible, inviscid and has irrotational motion. To estimate the seismic response, the method of superposition of modes has been applied. To analyze the rigid tank response, Laplace＆#39;s equation is considered as the governing equation of the fluid domain, in both time and frequency domains. The boundary element method （BEM） is employed to evaluate the natural modes of liquid in a cylindrical tank. To gain this goal, the fluid domain is divided into two upper and lower parts partitioned by the baffle. Linearized kinematic and dynamic boundary conditions of the free surface of the contained liquid have been considered.     

能量法估计全息面信噪比研究

在近场声全息技术中,全息面信噪比是一个非常重要的参数,但无法直接测量得到.为了解决该问题,给出了基于能量法的波数域内信噪比估值公式,并根据该公式分析估值误差的来源,指出全息面采样间隔对估值具有重要影响.为了判别估值是否准确,提出了选取全息面不同区域的数据进行重复估计的判别方法.当估值不准确时,指出可以通过减小全息面采样间隔来降低估值误差.仿真给出满足不同误差条件的不同采样间隔所对应的最大信噪比估值,可作为实际应用中的参考.     

基于反推策略的船舶直线航迹控制算法研究

为实现船舶直线航行的轨迹控制,基于船舶航行基本原理,建立了船舶航行运动的非线性模型。针对模型强非线性的特点,依据输入-状态反馈线性化原理,将非线性模型转化为具有下三角结构的线性模型,并基于反推技术和状态反馈,设计了船舶直线航行控制器。根据Lyapunov方法证明了闭环航迹系统是可镇定的。仿真结果验证了所提控制算法的正确性和有效性。     

基于某型导航雷达的模拟训练平台的设计与实现

为充分发挥雷达在未来海战中的作战效能,节约舰艇部队训练经费,采用计算机虚拟仿真技术开发了雷达模拟训练系统。提出了雷达模拟训练系统平台的构建,以某型导航雷达为例,研究如何通过统一的模式,实现对各种类型的雷达进行模拟,具有良好的逼真模拟效果和实时显示能力,以最小的规模、最少的经费,充分体现雷达任职岗位需求,具有鲜明的针对性和实用性。     

三百门港泥沙淤积研究

为开发利用柘林湾水域,拟在湾内兴建深水码头,但湾内水深浅,且有三条水道与外海相通,为搞清建港后港域的泥沙回淤情况和堵塞其中一条水道造成的影响,本文通过实测水文资料分析、数学模型计算等手段,对上述问题进行了分析论证,为该工程项目提供决策依据。     

Applying Human Systems Integration to the Rapid Acquisition Process

The rapidly changing complexity of the Global War on Terrorism has changed the approach to equipping forward-deployed military forces. Combatant Commanders conducting operations now require timely materiel solutions to enhance mission capabilities and reduce the risk for individual soldiers. To address this challenge, the US Army established the Rapid Equipping Force to assess emerging requirements, to propose solutions to those requirements, and to implement those solutions in an expedient time frame. Unfortunately, the REF lacks a consistent analytical methodology for assessing alternative materiel solutions. To address the need for a human systems integration (HSI) analysis method, the authors developed an Assessment-Based Rapid Acquisition HSI Analysis Method (ABRAHAM) capable of generating tailored surveys and evaluating these surveys for unacceptable risks to soldiers. To validate ABRAHAM's concept and content, ABRAHAM was showcased in three Department of Defense settings: the Human Factors Engineering Technical Advisory Group, the REF, and the US Marine Corps' Operational Test and Evaluation Activity. The ABRAHAM appears to fill a gap in the current library of HSI tools. Based on the feedback provided during the product showcases, there is sufficient interest and technological maturity to further develop ABRAHAM to serve both the traditional and rapid acquisition processes.     

两栖战车海上射击海浪环境的实时仿真研究

两栖战车在海上射击时,由于受到海浪的影响,精确射击难以实现.这一问题的解决需要研究海浪对战车及其火控系统的影响.因此,必须有一个较理想的海浪信号来研究上述问题.海浪的实时仿真可以解决这个问题.本文采用两种改进的方法对海浪进行数值模拟,得到了比较满意的仿真结果,并在此基础上,考虑了海浪对海上战车的影响.     

Throughput estimation based port development and management policies analysis

With the rapid growth of seaborne commodity trades, port development and management has become a challenging issue to the government, enterprise and academia. To alleviate pressures on spatial demand and the environment, sustainable development and scientific management of a port is of crucial importance for its investment, construction and operation. In this article, a research path based on throughput estimation is proposed. The container port of Tianjin could expect to face immense, increasing pressure in the future several years. To meet future increasing capacity requirement, constructing new waterway and berths in a bigger contiguous area or new locations becomes a crucial strategy. Moreover, the strategy of accommodating peak seasonal traffic means existing container terminals have to attain higher output by redesigning their high-precision schedule, reconfiguring terminal topology, improving worker efficiency and employing more modern container-handling facilities.