constraint相关论文
It is well known that no criterion about seismic design for risers is available, and relevant research has not been repo......
在对现有 ＣＡＤ约束求解技术分析比较的基础上，对牛顿迭代算法在求解约束方程组上的应用进行了深入的探讨，阐述了该算法作为约束求解器核......
An improved soft kill option(SKO) method is proposed to achieve the optimization design of tower crane boom. For a bette......
An optimization model is constructed to formulate the maximization problem on the capacity of V-belt drive. The concavit......
An internetware application is composed by existing individual services, while transaction processing is a key mechanism......
OBJECTIVE: To identify global research trends in three therapies for children with cerebral palsy. DATA RETRIEVAL: We pe......
It is well known that the traditional Grübler-Kutzbach formula fails to calculate the mobility of some classical mechan......
Energy plays an important role in the economic life. With the rapid development of economy, the constraint of energy on ......
Sensitivity Analysis of Cup-shaped Flexible Gear Parameters to Its Stress Based on ANSYS 1 GAO Haibo1, 2 LI Zhigang1, 2 ......
The patternless casting manufacturing (PCM) technique, which adopts a new concept of double scanning method, combines th......
Inclusion has an important effect on quality of high speed rail steel. In consideration of the lower acceptance percenta......
X射线相干衍射成像(coherent diffraction imaging,CDI)技术是一种无透镜成像技术.其基本原理是使用高度相干的X射线光束照射孤立......
To derive accurate three-dimensional (3-D) information of a scene is an important pur-pose in computer vision. Two-viem......
Cooperative diversity is a new technology to improve bit error rate (BER) performance in wireless communications. A new ......
Extended target detection performance can be enhanced by using phase-modulated waveform designs in band-limited radar sy......
To aid in the sustainable development of cities this paper examines methods for urbanization and epidemic control. Using......
A linear-correction least-squares(LCLS) estimation procedure is proposed for geolocation using frequency difference of a......
In this paper,we analyze performance of cooperative spectrum sensing under counting rules when exponential model is util......
This paper proposes rate-maximized (MR) joint subcarrier pairing (SP) and power allocation (PA) (MR-SP&PA),a novel schem......
To provide a certain level of Quality of Service (QoS) guarantees for multiuser wireless downlink video streaming transm......
众所周知,数据库的管理系统,将数据完整性视为核心技术指标.本文以Oracle为平台,围绕完整性约束的构建展开了讨论,内容以自定义约......
期刊
Partner selection is a fundamental problem in the formation and success of a virtual enterprise.The partner selection pr......
This paper presents a composite modeling method of the forward dynamics in general planar mechanical system. In the mode......
Assembly process planning(APP) for complicated products is a time-consuming and difficult work with conventional method.......
This paper describes the effect of channel estimation error (CEE) on the performance of distributed estimations of an un......
The model for improving the robustness of sparse principal component analysis(PCA)is proposed in this paper.Instead of t......
摘 要： 本文以表示“追究/质询”义的语气副词“到底”为出发点，探讨其在A-not-A疑问句中的句法位置，发现其句法分布具有相对自由性。......
在服装动画中,基于物理的方法通常可以产生较好的动画效果。但对于特定区域,如紧贴人体的服装区域等,使用物理方法驱动其变形时,通......
根据建立大比例尺多级土地利用数据库的需要,在进行面状道路数据综合时,对道路进行分类,保留需保持面状的道路面,将不符合要求的道......
基于传统的三维基准转换方法及经典最小二乘(LS)理论,引入混合整体最小二乘(LS-TLS)的原理,在此基础上,根据测量平差原理建立附有......
In part Ⅰ and Ⅱ of this series, experimental investigation in both EPFM and LEFM had been discussed. In this part, fur......
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......
中文科技期刊在近年来取得了一定进步,但面临的挑战和问题也越来越多,生存和发展遇到了困境.文章分析了制约中文科技期刊发展的主......
本文通过对荣华二采区10...
For a class of linear discrete-time systems whose states can not be measured directly, an approach to designing the cons......
本文分析了约束RBAC中两种授权约束机制——SSD和DSD,指出它们无记忆性的不足,提出了将有限状态机与RBAC模型结合起来,构成一种新......
分析小额贷款公司的作用,指出其受到性质定位、监管体制、资金来源、经营风险和技术支撑等方面的约束,影响其可持续发展。政府要促......
文化的传承与创新作为大学的第四项职能，对高等教育建设提出了更高、更新的要求，同时丰富与发展了大学战略管理的内涵。大学文化能够......
Bifurcation of periodic solutions widely exists in nonlinear dynamical systems.In this paper,categories of bifurcations ......
对薄壁铝合金管材的充液弯曲进行数值模拟与实验研究;讨论内压与管端约束对成形结果的影响；分析在管端约束的情况下充液弯曲过程中......
A new algorithm for dimension variation of feature-based models is developed.The algorithm is based on B-Rep/CSG hybrid ......
A method for the implementation of integrated three-degree-of-freedom constrained entry guidance for reusable launch veh......
This article proposes an improved generalized side-lobe canceller(GSC)receiver structure based on a new group constraint......
The accuracy of parameter estimation is critical when digitally modeling a ship.A parameter estimation method with const......
In this paper,we present a new deformable model for shape segmentation,which makes two modifications to the original lev......
The authors prove the existence and uniqueness of smallest g-supersolution with an equality constraint on (y,z) for one ......
Bifurcation of periodic solutions widely existed in nonlinear dynamical systems isa kind of constrained one in intrinsic......
英语中的情态助动词是个封闭的系统,数量虽然有限,但其意义和用法有时相当复杂.情态助动词在语义上通常可以划分为两大类:推测性的......
针对大型工程机械车辆驾驶模拟的计算复杂度与时间开销较大的问题，将Bullet物理引擎应用于工程车辆的驾驶模拟是一种简单高效且能兼......
地震仪器应用技术是保障地球物理勘探项目成效的重要支撑,直接关系到野外地震数据采集工程提速、提效、提质和降本的能力。从地震......
