A new type of three parameter combination logging tool is developed to improve the effect of differential temperature logging technology during medium to late term of oil field development.
为提高微差井温测井技术在油田开发中后期的作用，开发设计了一种新型的三参数组合测井仪。
Chapter 4 considers differential boundary value problems with a parameter.
第四章考虑含参变数的微分方程边值问题。
Using the differential mean value theorem, the nonlinear error dynamic descriptor system is transformed into a linear parameter varying descriptor system.
利用微分中值定理将动态误差非线性广义系统转化成线性变参数广义系统。
In consider drilling rod state, hole state, creep into course influence foundation of parameter synthetically, the drilling rodmodel under acting on the pulling force and torsion together carries on the theory to calculate, receive drillingrod pulling force and torsion differential equation group, in order to benefit drilling rod strength further to analyse.
在综合考虑钻杆状况、钻孔状况、钻进过程参数的影响基础上，对拉力和扭矩共同作用下的钻杆模型进行理论计算，得到钻杆拉力一扭矩微分方程组，以利于钻杆受力的进一步分析。
In the sub-system of data processing and monitoring, apply the visual C++ and WinSock API programming environment to implement GPS differential solutions, data file management, system parameter configuration, monitoring result display and so on.
5在数据处理与监控子系统的后台服务器上，应用Vc++编程环境和WinSockAPI接口，应用模块化的编程思想，实现了数据收发及数据文件管理、系统参数设置、GPS观测数据的差分解算和监测结果显示等功能。
To different joint configuration, the parameter equations and section shape of working space are presented. Error sources of multi-joint CMM are analysed. Position error model and posture error model of the probe are founded by using total differential and differential transforming.
研究并分析了多关节坐标测量系统的误差来源，利用全微分和坐标系微分变换等数学方法，分别建立了多关节坐标测量机测头位置误差模型和测头姿态误差模型，进一步对位姿不确定度进行了分析。
Taking block pulse function as basic function and using orthogonal function transfer, the partial differential equation describing distribution parameter system model was transferred to algebra equation of least square, and the parameter identification algorithm for temperature distribution parameter system of large-scale vertical quench furnace was deduced. The emulational was made and it was applied in 31 m vertical quench furnace temperature control system indicating that this method can meet the demand on real-time and precision of parameter identification.
摘 要：以块脉冲函数为基函数，利用正交函数变换将由偏微分方程描述的分布参数系统模型转化为最小二乘形式的代数方程，在此基础上推导出大型立式淬火炉温度分布参数系统的参数辨识算法，并进行仿真和31 m立式淬火炉温度控制系统应用，该算法能够满足控制规律对参数辨识实时性和精度的要求。
After analyzing the phenomenon of magnetizing inrush current and theory limitations of differential protection, a winding model is developed for parameter estimation on the basis of transformer equivalent equation of the primary and secondary winding mutual flux.
本文利用变压器等值回路平衡方程原理，对变压器绕组建模，给出了变压器漏电感参数辨识算法的等效模型。
Based on pole model of lathe, thickness of side-board is treated as design parameter. This problem becomes a nonlinear problem, but it may become a linear problem using method of differential coefficient. Through method of calculating energy of sub-structure, thinking of each board separately, so getting final results rapidly.
以机床立柱模型为例，将模型的侧板板厚作为设计参数，并运用微分近似的方法，将非线性问题简化为线性问题求解，推导出了适用于板结构设计的计算公式，并通过计算子结构能量的方法，将每块侧板分开来考虑，降低了对计算机处理能力的要求，从而快速得到最终结果。
Furthermore, we obtain a sufficient and necessary condition about continuity of functional series and integral with parameter, and show the sufficient condition about differential.
将数学分析中一致收敛性的概念加以推广，分别对函数项级数和含参量积分引入次一致收敛的概念，证明了函数项级数、含参量非正常积分连续性的充要条件和可微性的充分条件，推广了数学分析中的相应结
This article discusses the seperate factors in the alcohol waste liquid, minimum differential revolution and the parameter's choice of the centrifuge's processing quantity and calculates the important designing parameterl about the largest LW-430 horizontal spiral centrifuge in China.
通过针对酒精糟液分离时分离因数，最低差转速，以及离心机处理量参数选择的讨论，计算出我国最大的 L W- 430型卧螺离心机的关键设计参
Based on Stahl (1988), this paper extends symmetric model in duopoly in Spulber (2002), analyzes the asymmetric model of competition with both different inputs and outputs, and examines in detail the impact of differential parameter of supply and demand on competition.
本文以Stahl(1988)为基础，将斯普尔伯(2002)对称的双寡头垄断中间化对称模型进行扩展，分析了投入品与产出品都不同的非对称寡头竞争模型，并详细考察了供给、需求差异化参数对竞争的影响。
Parameter RESOLUTION Offset Error Gain Error Differential Nonlinearity Integral Nonlinearity TEMPERATURE DRIFT Offset Error Gain Error POWER SUPPLY REJECTION RATIO ANALOG INPUTS1 Differential Input Voltage Range Differential Input Resistance Differential Input Capacitance Input Bandwidth VSWR 2 POWER SUPPLY 3 Supply Current IAVCC (AVCC = 5.0 V) IEVCC (EVCC = 3.3 V) IVDD (VDD = 3.3 V) Total Power Dissipation 4
参数解决方案偏移误差增益误差微分非线性积分非线性温度漂移偏移误差增益误差电源抑制比1模拟输入；差分输入电压范围差分输入电阻电容输入带宽差分输入电压驻波比2电源3电源电流IAVCC（AVCC = 5.0五）IEVCC（EVCC = 3.3伏） IVDD（VDD的= 3.3伏）总功率耗散4
The results show that the optimal design parameter combination is middle room volume (36.93 m3), 12 air change per hour, 5 Pa pressure differential and particle released at head region on the bed.
结果发现负压隔离病房微粒去除效果之最佳化参数组合为：中型体积(36.93 m3)、每小时换气12次(12 ACH)、负压值5 Pa，在靠近排气口头部位置进行释放之实验条件。
And the differential fault network is independent of system parameter and differential bus voltages in two terminals are zero.
该算法原理上不受过渡电阻、系统阻抗、分布电容的影响，并且由于算法只利用电流量，从而不受电压互感器传变特性的影响。
Chapter 5 deals with the solvable theorem of adaptive inverse optimal control problems for a class of stochastic nonlinear systems driven by Wiener noises of unknown covariance. The systems are depicted by It〓 stochastic differential equations. By using an adaptive backstepping algorithm and stochastic control Lyapunov functions, the designing procedure of control laws of global asymptotic stability in probability and adaptive inverse optimal stabilization in probability are presented systematically. Adaptive control laws and parameter update laws can be obtained at the same time by this design scheme.
在第5章中，针对具有方差不确定Wiener噪声扰动和未知定常参数的随机非线性系统（假设方差的F—范数是一个常数或一个缓慢变化的量，对其进行在线辨识），给出并证明了自适应逆最优控制问题可解定理，基于随机Lyapunov定理和It〓微分规则，采用自适应Backstepping设计方法，系统地设计了全局依概率渐近稳定和自适应逆最优控制策略，这种设计方法可同时获得控制策略和自适应律，计算机数值仿真结果表明该控制算法是有效性的。
The mutual relations of drilling parameter during petroleum drilling procedure and their effect on the drilling procedure were analyzed, and a model of the differential cost under unit drilling footage was presented.
仔细分析了石油钻进过程中钻进参数之间的关系及对钻进过程的影响作用，提出了瞬时单位进尺成本模式，并经严格的数学论证，证明了目标函数存在最优值，从而得出最优控制规律，使对石油钻进过程实施最优控制成为可能。
We at last draw the imaging section with the parameter of secondary differential conductivity.
最终以二次电导微分参数绘制成像剖面。
In order to improve the reliability of simulation results, on the bosis of existing COSMOSMotion software simulation conclusion, the axial slide cam type differential model from the UG software is imported into ADAMS/View, the corresponding restraints of the various junctions is added, and the spring parameter is revised repeatedly.
为了提高仿真结果的可靠性，在现有COSMOSMotion软件仿真结论的基础上，把轴向滑块凸轮式差速器模型从UG软件导入ADAMS/View中，并对各连接点添加相应约束、反复修正弹簧参数之后进行了仿真，得到了左右差速轮的角速度曲线及差速器壳的合反转矩曲线。
In order to improve the reliabilit3 of simulation results, on the bosis of existing COSMOSMotion software simulation conclusion, the axial slide earn type differential model from the UG software is imported into ADAMS/View, the corresponding restraints of the various junctions is added, and the spring parameter is revised repeatedly. Then the simulation is performed, and the spider gear's angular speed curve and the differential case's total counter torque curve.
为了提高仿真结果的可靠性，在现有COSMOSMotion软件仿真结论的基础上，把轴向滑块凸轮式差速器模型从UG软件导入ADAMS/View中，并对各连接点添加相应约束、反复修正弹簧参数之后进行了仿真，得到了左右差速轮的角速度曲线及差速器壳的合反转矩曲线。