The paper, based on the model of "block of time" cost calculator, makes a simple model to accommodate for the library practice of virtual reference services in our country.
在介绍“间隔时间”成本预算模型的基础上，对该模型进行简化，使其适合中国图书馆界虚拟参考咨询服务的实践。
The nonlinear dynamic correcting methods based on block oriented model are researched for the sensors based on oriented model with the nonlinear static characteristic of saturation in first quadrant.
针对以块联模型表示，且静态特性位于第一象限的饱和型非线性传感器，进行基于块联模型的动态非线性校正方法研究。
All the methods are based on economic block model of ore body built according to geological statistics theory.
这些计算机优化方法都是在应用地质统计学方法建立的矿床块段模型基础上实现的。
Based on the theory of block element method and calculating model, this paper suggests a calculating model for block element method with effect of reinforcing steel bar considered.
依据块体单元法的理论和计算模型，提出了考虑钢筋作用效应的块体单元法计算模型。
This paper proposes a matrix based substitution permutation network as the model of block cipher.
论文提出了一种基于矩阵的代替置换网络模型。
A new alternate iteration method based on block bordered diagonal model for parallel computation in simulation of electric power system dynamics is presented in this paper.
针对电力系统并行仿真算法中的分块对角加边模型提出了一种新的交替迭代解法。
As knowledge block in knowledge base is fuzzy and is obtained randomly, we study the rough set model based on random fuzzy rough sets.
当知识库中的知识模块既是模糊的又是随机得到的，我们定义了基于随机模糊集的粗糙集模型。
Background estimation based on block is proposed to solve the problem of building background model and updating background which can enhance the robust of moving object detection.
针对静态背景下的背景差法，通过研究如何得到、以及如何及时更新背景模型，增强运动目标检测随环境变化的鲁棒性，提出了多级分块的背景估计方法。
A strategy of structuring distributed IPMCS based on functional block model and combining with software engineering method is stated and analyzed.
提出了一种基于功能块模型、结合软件工程方法构建分布式IPMCS的策略并作了分析。
This paper discusses issues of finite word-length effects in the block floating-point radix-8 FFT processor and presents a novel static model based on statistical analysis.
研究了基于基8算法的块浮点FFT处理器的有限字长效应问题，提出了一种基于理论统计分析的静态模型。
Secondly, local stationary colored reverberation model and the block matched filtering and block prewhiten matched filtering detection methods which based on the model is studied.
研究了对局部平稳高斯色噪声混响模型和以局部平稳高斯色噪声混响模型为基础的分段匹配滤波和分段预白化匹配滤波检测算法。
The paper introduced the functional block schematic of realizing the whole ONT in APON based on the network model of B-ISDN and bring forward path layer system design according to the protocol.
文中在讨论宽带综合业务数据网（B-ISDN）网络分层模型的基础上，介绍了实现APON系统中ONT的总体方案功能模块图，并根据协议和ONT技术要求提出了通道层硬件电路设计。
An organizing approach of data based on pyramid model using simplification, leveling and block processing technologies is put forward.
通过对地形数据简化分层、分块等数据处理建立金字塔数据模型来组织地形数据。
This paper presents a simplified mathematical model for describing the water block mechanism and its influences, based on Darcy's formula and relative permeability curve and capillary pressure curve.
根据达西公式及相对渗透率曲线和毛管压力曲线的表示式，提出了一个描述水锁机理及其影响因素的简化的数学模型。
Based on the formation lithology characteristics, the PDC bit was optimized from such aspects as the composite block, blade geometry, cutter model, and cutter mechanics balance, etc.
针对山前构造的地层岩性特征，从复合片、刀翼形状、齿型、切削齿力平衡等方面设计和改进了PD C钻头。
In this paper an improved solution based on computerized interlocking is proposed against the traditional re-lay-interlocking-model automatic block system in railway signalling in our country.
针对我国传统的继电联锁方式的铁路信号自动闭塞系统，文章介绍了一种基于计算机联锁方式的改进方案。
A method of the block adjustment based on a new strict geometric model for remote sensing images with high resolution (RSIHR), using few control points, is presented in this paper.
介绍了一种利用较少控制点、基于新几何模型的高分辨率遥感影像光束法区域网平差方法。
The utility model also provides a transmission method of the cylindrical panoramic video block coding based on the block size computed by the calculation method.
本发明根据上述方法计算的块尺寸又提供了一种全景视频进行分块编码传输的方法。
A block diagram model and a table model for the BIT integrated expression are also proposed based on the mathematical definitions, and these two models can be directly used in engineering analysis.
在数学定义的基础上，进一步建立了BIT综合表示的框图模型和表格模型，这两种模型可以直接用于工程分析。
Using the discrete image degradation model, a block-based SVD filter scheme was applied for the image denoising with an automatically determined singular value rank.
从图像的退化离散模型出发，对图像进行逐层分块奇异值分解，并自动选取奇异值重组阶数以减少噪声对估计的影响。
Based on the error mathematic model, state-space model and block diagram of error model are established.
在此基础上，建立了误差状态空间方程与误差模型框图。
To improve the efficiency of 3d model retrieval, an efficient retrieval of 3d models based on block was proposed.
针对三维模型检索性能较低的问题，提出一种基于子块的三维模型检索算法。
The model prediction velocity distributions of this study agree with experimental measurements, and are in closer agreement with the experimental data than those based on "block box" method.
模拟计算搅拌功率准数及桨叶排出流量准数与实验结果相差很小，数值模拟速度分布与实验测量结果吻合较好，且预测速度数值明显优于“黑箱”模拟方法。
This paper presents a practical final-pit optimization algorithm for open-pit metal mines based on a breakeven strip ratio and a block model of ore grade.
给出一个基于经济合理剥采比和品位块状模型的露天金属矿境界优化实用算法。
For the combined location problem of multi-sensor SAR remote sensing imagery, the Rational Function model was introduced in this paper, and the RFM-based block adjustment method was constructed.
本文针对多源sar遥感影像联合定位的实际问题，将有理函数模型引入到SAR影像联合定位中，构建了基于有理函数模型的多源sar区域网平差模型。
This paper gives a model of "one-group-one-cipher" cryptosystem based on DES. By combining the block-cipher and stream-cipher, the security of the system is thus strengthened.
提出一个以DES为基础的“一组一密”密码系统模型，将分组密码与流密码技术相结合，增强其安全性。
This paper gives a model of "one-group-one-cipher" cryptosystem based on DES. By combining the block-cipher and stream-cipher, the security of the system is thus strengthened.
提出一个以DES为基础的“一组一密”密码系统模型，将分组密码与流密码技术相结合，增强其安全性。
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