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- multi-element background differentiation method 多元素背景判别法
- background differential method 背景差分
- The merits and demerits of frame differential method in motional detecting were analyzed and optimized. 详细讨论了运动检测中帧差法的优缺点，并设计了快速实现算法，同时提出了对原有方法的改进。
- So, a new method for calculating the seabed slope angle called the differential method is put forward. 为此，针对单波束测量提出了一种实用的海底倾斜角差分算法。
- However, given that these are microvolt-level voltages, the differential method is not usually an issue for mid-range resistance switching. 然而，由于偏移电压通常为毫伏级的电压，所以对于中等阻值的电阻切换来说，差分法通常也不是问题。
- To measure the voltage waveform across 2 swinging node (e.g. forward converter rectifier), differential method shall be used, i.e. CH1-CH2. 测量两个变动端之间的电压波形(例如，前置转换整流器)，必须用相减的方法，例如CH1-CH2.
- This paper proposes a CCD signal pre-treating method with HPF and LPF and analyzes the image edge-detect-ing algorithm based on differential method. 介绍对CCD输出信号进行高通、低通滤波预处理的方法。
- 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。
- 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。
- The first experiment intended to investigate the consumers' affective responses by using the semantic differential method to evaluate 3D form features in prisms. 在特徵感知与情感意象关系的研究方面，是利用语意差异法来探讨消费者对于个别形体的感知中，其情感意象分布的特性。
- Kuniaki Y.Power Differential Method for Discrimination Between Fault and Magnetizing Inrush Current in Transformers[J].IEEE Trans on Power Delivery,1997,12(3):32-49. 李永丽;梅云;刘长胜;等.;一种基于序功率方向的变压器保护方案[J]
- The algebraic method of infinite interpolation and the differential method of Poisson equitation solver are applied to generate body-fitted grid in this thesis. 本文采用无限插值的代数法和求解Poisson方程的微分方程法生成贴体网格。
- Raised the differential method of resolving rational f unction into fractions, and formulas were suggested of the coefficients which co rrespond 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.;此方法克服了初等恒等变换法通过解方程组确定系数;运算过程繁琐、算量大的缺点;也体现了高等数学知识的连贯性
- He has a strong political background. 他有强大的政治背景。
- The angular motion of the models during the quasi-steady flow was recorded by synchroflash and the aerodynamic stability coefficients were derived from the motions by parameter differential method. 采用同步高速摄影方法记录了20ms准定常试验时间中模型的角运动并用参数微分法进行气动参数辨识。
- That incessant background music gets on my nerves. 那没完没了的背景音乐令我非常烦恼！
- Using differential method,the independent character of three common interface value relation is eiscussed in electromegnetic field,and the physical essence of new conclusion is introduced. 关于定态电磁场边值关系的独立性问题,一般教科书上只给了结论,没有进行数学推导,个别教科书上只就两种绝缘介质的分界面用积分的形式进行了推导,本文拟用微分形式将三种常见的分界面的边值关系的独立性问题进行讨论,并阐述所得结果的物理根源。
- He has a working-class background. 他是工人阶级出身。
- In the model, the differential method based on the Saint Venant equations is used to calculate river floods, and the Xin'anjiang three water source model is used to predict precipitation and runoff in river basins. 模型中河道洪水演算采用基于圣维南方程组的差分解法 ;流域降雨径流预报采用新安江三水源模型 .
- Get the fall in the background, will you? 把瀑布拍进背景中去好吗？
