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截断法     
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  cut-back method
     Optical propagation loss in the slab waveguides was measured to be about 0.8 dB/cm at 632.8 nm, by the cut-back method, using prism-coupling.
     所得有机无机复合ZrO2 SiO2 板型平面光波导(衬底层+导光层),用棱镜耦合截断法测试其光损耗在632.8 nm波长处约为0.8 dB/cm。
短句来源
     Three attenuation measuring methods for plastic optical fiber including the cut-back method, the insertion-loss method and the back-scattering method are introduced.
     介绍测试塑料光纤衰减的三种方法:截断法、插入损耗法和后向散射法。
短句来源
  truncation method
     Under the subsonic condition,the existence and uniqueness of strong solutions is obtained by applying a truncation method,Leray-Schauder fixed point theorem and estimates of the elliptic equation.
     利用截断法、Leray-Schauder不动点定理以及椭圆型方程的估计,在“亚音速”条件下,得到了强解的存在唯一性.
短句来源
     We show the existence of solutions for sufficiently small relaxation time by applying a truncation method, Leray-Schauder's fixed point theorem and estimates of the elliptic equation.
     利用截断法、Leray-Schauder不动点定理以及椭圆型方程的估计,在松弛时间足够小时,得到解的存在性。
短句来源
     Solve the Fractional Programming Problem-The Problem of Economical Scheduling of Cascade Hydroelectric Power Stations Via Moving Truncation Method Combined With Penalty Function Method
     用移动截断法和罚函数法联合求解分数规划问题——梯级水电站经济调度问题
短句来源
     Comparison with the modal truncation based on equilibrium realization shows that the modal truncation method based on the energy criterion is much more fit for the flexible manipulator system with the consideration of the rigid-flexible coupling factors.
     通过与基于均衡实现的模态截断的比较,显示基于能量判据的模态截断法更适合于考虑刚柔耦合的柔性机械臂系统。
短句来源
     A method to treat stochastic dynamic equation of complicated structure by means of modal truncation method and to compute response statistics of dynamic system in the time domain is presented.
     本文提出了用模态截断法处理复杂结构的随机振动方程、及时域上计算系统随机响应的方法。
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  “截断法”译为未确定词的双语例句
     DCT domain video transcoding downscaling algorithms are investigated,including intra frame(I frame) downscaling—linear interpolation and DCT coefficient decimation and inter frame(such as P frame) downscaling—inverse motion compensation and motion compensation on the DCT domain.
     研究了DCT域视频图像转码的下采样算法,包括DCT域帧内编码帧I帧的两种下采样算法———线性内插法和DCT系数截断法,以及DCT域帧间编码帧P帧的下采样算法———DCT域反运动补偿和DCT域运动补偿算法。
短句来源
     ERROR ESTIMATION OF GAUSSIAN CLOSURE FOR QUASI-LINEAR SYSTEMS
     拟线性系统高斯截断法的误差估计
短句来源
     Using the modal analysis method in this paper, the vibration characteristics of ZJ50J double-lifting mechanical driven oil drilling rig (patent No. 352466) is studied.
     应用模态分析技术、振型截断法,对专利证书号第 352466号的 ZJ50J双升式机 械驱动石油钻机振动特性进行研究。
短句来源
     It is pointed out that the response of the system is an ergodie Markov-Process,By means of Markov theory,the moment equation method and the quasimomenttruncation technique,the statistical properties of the response and the restrictconditions to the input current and system parameters are also derived.
     文章推导了电磁激振器在直流和白噪声随机电流作用下的非线性随机参变方程,指出系统的响应构成各态历经的马尔科夫过程,运用随机参变振动理论中的马尔科夫方法、矩方程法和解决非线性问题的准矩截断法求出了晌应的统计特性以及对于输入电流、系统参数的限制条件。
短句来源
     Truncation is an efficient way to measure attenuation spectrum of POF.
     截断法测量聚合物光纤 ( POF)的光谱特性是研究其损耗的一种有效方法 .
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  cut-back method
Applying the cut-back method, identical waveguides at different lengths were characterized.
      
To find the attenuation the cut-back method was used, where the optical power is determined at two points L1 and L2 on the fiber.
      
The cut-back method is used the most widely and accurately among all methods of transmission loss measurements.
      
The attenuation of light of the POFs was measured via the cut-back method from 500 to 1100 nm wavelength.
      
The attenuation of light of the produced POFs was measured via the cut-back method for wavelengths from 600 nm to 1000 nm.
      
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  intercept method
Generally, Gc is larger than the average grain size G when the Heyn intercept method is adopted for the grain size measurement.
      
The measurement of Gc can be directly carried out on the polished and etched cross section of materials, similar to the measurement of the average grain size using the Heyn intercept method.
      
After 6 months of diabetes, GBMT was measured applying an intercept method on 3 glomerular cross sections from each of the 24 animals.
      
Using the orthogonal intercept method, we have confirmed that in long-term diabetes, the thickness of the glomerular basal laminae increases significantly.
      
Renal glomerular basement membrane thickness was measured by the orthogonal intercept method.
      
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  cutback technique
While cautionary use of the cutback technique is recommended, the findings reported here are encouraging enough to warrant further experimentation with it.
      
  其他


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本文行算了 K~+介子下列三种衰变形式的分枝比:K~+→μ~++π~ο+γK~+→e~++π~ο+γK~+→μ~++γ计算利用了费曼(Feynmann)等人所提出的普适费米(Fermi)弱相互作用的理论,并用了微扰论方法和截断法,得到的分枝比是1:1.5:12,这与实验1:1:15符合得很好。文中指出,费米弱相互作用的别的组合不能给出与实验相符的结果。

In this paper we use fractional programming of OR to establish a mathematical model for optimization of active power dispatch of cascade hydroelectric power stations under the condition that the combination of water-turbine dynamos has been given, and propose a new optimum criterion for economical scheduling of cascade hydroelectric power stations-the water rate weighted average with respect to water heads of all hours of the day for each power station of cascade be minimum, i. e., the objective function of...

In this paper we use fractional programming of OR to establish a mathematical model for optimization of active power dispatch of cascade hydroelectric power stations under the condition that the combination of water-turbine dynamos has been given, and propose a new optimum criterion for economical scheduling of cascade hydroelectric power stations-the water rate weighted average with respect to water heads of all hours of the day for each power station of cascade be minimum, i. e., the objective function of the the fractional programming is where Q = (Q11 ,…,Q1T,Q2l,…,Q2T. …,Qn1 , …,QnT)' is an nT-dimensional flow vector, we have studied the mathematical expressions of the constraints (power balance, the restrictions of flow of cascade hydroelectric power stations in all hours of the day, bounds on the water heads, bounds on the power and bounds on the flow of hydroelectric power stations). Using moving truncation method MTM we transform the fractional objective function into a series of equivalent non-fractional objective functions, then we solve these constrained nonlinear programming problems by mixed penalty function method SUMT. The augmented objective functions

本文在开机组合业已给定的情况下运用运筹学中的分数规划建立了梯级水电站有功功率最优分配的数学模型,提出了梯级水电站经济调度新的最优准则——梯级各电站全日各时段水头加权平均耗水率为最小。分数规划的目标函数为 其中Q=(Q_(11),…,Q_(1T),Q_(21),…,Q_(2T),…,Q_(n1),…,Q_(nT))′为nT维流量矢量。我们探讨了约束条件(出力平衡、梯级水电站日流量限制、水头限制、水电站出力限制和流量限制)的数学表达式。本文用“移动截断法”MTM将此分式目标函数化为一系列等价的非分式目标函数,再用混合罚函数法SUMT解这一系列非分式目标函数及其约束组成的约束非线性规划问题,确定了增广目标函数φ_k,导出了梯度分量的计算公式,这些公式能比较全面深刻地揭示出梯级水电站之间存在的固有规律与内在联系。这将有助于人们利用它来控制调度和管理梯级水电站经济运行,为“四化”服务。

This paper illustrates the method, based on modern control theory, for analyzing earthquake response of long-span structures in time domain. The earthquake is a non-stationary stochastic process,imparted the supports of the structure with time differences.The mode truncation technique is used for reducing the degree of freedom. This method is quite suitable for solution on computers.

本文用现代控制理论的时域方法对大跨度建筑物进行地震响应分析。将地震作用作为非平稳随机过程对待,结构支点处的输入有时间差。对于多跨结构采用模态截断法以缩减系统的自由度。文章所提供的方法易于在计算机上求解。

 
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