An invariant formula for the right stretch tensor rate is given by a differential method directly.
利用直接求微分的方法,给出了右伸长张量率的不变性表示公式。
The prospects of application and the shortcomings of the new differential method are also discussed.
本文还叙述了新示差法可应用的前景和不足。
Single form site index table was constructed after derived curve was expanded by differential method.
用差分法展开导向曲线,编制了单形立地指数表。
The experiments on clinic images show that the differential method improves the quality of B-mode imaging.
将该方法用于临床图像的处理,提高了B超成像的质量。
Especially, a symbolic differential method is used to improve the accuracy and reliability of problem solving.
此外,VGPDA的另一独特之处在于运用符号微分方法提高了算法的精度和可靠性。
The experiment shows that the stability of average background method is stronger than frame differential method.
实验表明,平均背景法的稳定性要优于帧间差分法。
By use of the result, the calculating precision of numeric differential method and empirical formula is analyzed.
利用所得到的结果,分析了数值微分法和经验公式的计算精度。
The only advantage of the differential method is that the offset voltages of the two switches tend to cancel each other.
差分法的唯一优点是两个开关的偏移电压趋向于彼此抵消。
The finite differential method was applied to develop a simulation software for solidification temperature field in continuous casting.
采用有限差分方法,自行开发了连铸过程的凝固温度场模拟软件。
On the basis of power differential method, a novel principle of transformer protection using generalized instantaneous power is presented.
在差有功法的基础上,提出一种利用广义瞬时功率实现变压器保护的新原理。
A type of deformed V-groove guide is proposed, and its property is analyzed by using our newly presented Fourier's expansion-differential method.
提出了一种变形的V形槽波导,并采用新提出的傅立叶展开-差分法对其特性进行了分析。
For the analysis and calculation of such kind of bearing the Reynolds' equation is directly solved by the finite differential method with inequal steps.
利用不等步长有限差分法直接求解雷诺方程,进行轴承的分析计算。
Using the finite differential method we calculate the temperature field and frozen depth of pavement proper when the road is freezing by degrees with moisture migration.
采用有限差分方法,完成了土基冻结逐渐进行且伴随有湿迁移的路面体温度场的计算和冻结深度的确定。
Through the example we know that the distribution line of the bending moments, pressure and deflection obtained by this method is the same as by the differential method.
通过算例发现该分析法得出的弯矩、压力和位移分布线与按微分分析法分析结果非常吻合。
In this paper, the principle of transit-time differential method of ultrasonic flow measurement is introduced along with the discussion of its advantages and disadvantages.
本文讨论了时差法成品油超声波流量计的基本原理、优缺点等。
Considering the vehicles' changeable critical headway when driving along the acceleration lane of an on-ramp, a vehicle merging model was proposed using differential method.
考虑驾驶员在入口匝道加速车道上行驶过程中车辆汇入的临界间隙变化的情况,应用微分法推导求得加速车道上车辆的汇入概率模型。
The solution of the heat transfer submodel is worked out by the finite differential method; while the solution of the flow submodel is worked out by the characteristic method.
该模型由一传热子模型和一流动子模型耦合组成,分别用有限差分法和特征线法求解。
Determination of reaction series is very important in the chemical reaction kinetics. How to determine the reaction series by differential method on computer is introduced in this paper.
反应级数的确定在化学动力学研究中非常重要,现给出了利用计算机和用微分法确定反应级数的方法。
Raised the differential method of resolving rational function into fractions, and formulas were suggested of the coefficients which correspond to liner factor and quadratic prime factor.
根据有理函数及其导数性质,用微分法把有理函数分解为部分分式的和,给出了一次因式所对应的部分分式各系数和二次质因式前两对系数的计算公式。
Method differential integrated backscatter (IB) imaging technique were used to monitor the HIFU-induced lesions, which combined IB parameter imaging with the digital differential method.
方法将超声背向散射积分(IB)参量成像与数字减影法相结合,提出IB减影成像方法用于HIFU治疗的损伤区域监控成像。
The principle of paper thickness on-line measurement using displacement differential method based on laser displacement sensor and electric eddy current displacement sensor is introduced.
介绍了基于激光位移传感器与电涡流位移传感器的位移差动法在线检测纸坯厚度的原理及测量系统的软硬件设计。
Numerical differential method and energy balance approach are applied respectively to recover the geopotential coefficients until 50 degree based on the simulated observation datum of CHAMP.
基于模拟的CHAMP卫星观测数据,分别用数值微分法和能量守恒法恢复50阶次的重力位系数。
In the detection of motion objects, a method based on movement feature of target (catenary) is proposed. It combines temporal differential method and template matching in image sequence data.
在检测运动物体方面,根据检测对象(接触线)的运动特征提出了一种对图像序列数据采用时态差分法与模板匹配相结合的检测方法。
Three methods for gravity field recovery are mainly studied from the views of observation equation, (1) numerical differential method, (2) energy balance approach, (3) numerical integration method.
从建立观测方程的角度来说,主要研究了三种恢复地球重力场的方法:(1)数值微分法,(2)能量守恒法,(3)数值积分法。
A method to determine the reasonable prolongation of the proper operating time is proposed in this paper using the differential method according to the linear and parabolic functions of crop yields.
本文采用求极值的数学方法,分别考虑了一次、二次作物产量函数。提出了不同产量函数下适时作业期限合理延迟天数的确定方法,以及依据作物产量函数计算适时性损失的方法。
When the speed pulse signal is provided, a calculation of the speed curve is achieved using first order digital differential method and the lease square of five points three times smoothing approach.
对于有转速脉冲信号的情况,实现了基于一阶数字微分和最小二乘五点三次平滑方法的转速曲线计算方法。
Differential method is used for the discretion of time zone, and a direct solution method and an incremental solution method are given out for the solution of the non-linear system equation.
求解方程时,在时间域上采用差分法进行离散,给出了求解系统方程的直接法和增量法。
Differential method is used for the discretion of time zone, and a direct solution method and an incremental solution method are given out for the solution of the non-linear system equation.
求解方程时,在时间域上采用差分法进行离散,给出了求解系统方程的直接法和增量法。
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