identifiability造句

• Identifiability ; causal effect ; ancillary information
  可识别因果效应辅助信息
• Equation method on the determination of identifiability for causal effect
  判断因果效应可识别的方程方法
• Sufficiency and necessity for the identifiability of an important type of ancillary information in a causal model
  一类重要辅助信息在一类因果模型中可识别的充要条件
• Sufficiency and necessity for the identifiability of an important type of ancillary information in a causal model
  一类重要辅助信息在一类因果模型中可识别的充要条件
• Further , a new definition of identifiability of system model is given in the same sense , and an identifiability gramian matrix with application value is derived
  进一步，将相应的结论应用到系统辨识问题上，给出可辨识性定义和具有实用价值的可辨识性判定定理。
• According to equilibrium equations , geometric equations and constitutive equations , theoretical derivation of identifiability of back analysis was done when slope is in elastic state
  论文还依据卒衡方程、几何方程和物理方程，对处于弹性状态的岩质边坡反分析问题的可辨识性进行了理论推导。
• To determined the configuration of excitation system model , the paper studies the identifiability of model , and proposes utilizing the relation among parameters for solving the problem of unidentifiability of model
  摘要对于确定的励磁系统模型结构，研究励磁系统模型参数的可辨识性，提出利用参数之间存在的关系解决模型的不可辨识问题。
• Secondly , the basic methods for parameter identification and the identifiability of parameter identification are dissertated . through the example of the problem of heat emission in one - dimensional infinite slab , the identifiability of thermodynamic parameter of concrete is proved theoretically
  论述了参数辨识的基本方法和参数可辨识性的条件，以一维无限大平板的散热问题为例，从理论上论证了混凝土热力学参数可辨识性。
• Furthermore , the dissertation researches the identifiability of the load by analyzing qualitatively the non - unique characteristic of the load parameter , and gives the numeric zone of the load parameters . the dissertation also investigates the view of the load model from different voltage levels
  论文进一步研究了负荷模型的可辨识性，对负荷模型参数不惟一做了定性分析，研究了实际负荷模型的模型参数取值区间，和不同电压等级电网的负荷模型折算问题。
• 2 . nonlinear source term identification problem about a quasilinear parabolic heat equation is investigated . for the given function determined , the existence and the uniqueness of the solution of the state equation are proved and the dependence of the solution of the state equation on the identification parameter is discussed ; then the identifiability is verified ; through choosing suitable basic functions , the above identification problem can be transformed into a constant coefficients identification problem ; and an practical iterative algorithm for solving the identification problem is presented , the feasibility and validity of the algorithm is verified by the numerical experiments
  2 、研究一拟线性抛物型热传导方程非线性未知源项的识别问题；对于给定识别函数，论证了状态方程解的存在惟一性、方程解与识别函数的依赖关系和可识别性；通过选取适当的基函数，把对非线性源项的识别转化成常系数识别问题；给出了实现非线性源项识别的迭代算法，通过数值实验证明了算法的有效性。
• Much of epidemiological and social science research is devoted to estimation of causal effect . generally , the causal effect is not identifiable without any constraint which is called the ancillary information in this paper . first the definition of the identifiability for the ancillary information is proposed and then sufficient and necessary conditions for the identifiability of an important type of ancillary information are discussed . finally , the results are expanded to a more common case
  在流行病学和社会科学中,大量的研究是估计因果效应.一般而言,没有任何假设的条件下,因果效应无法获得,即不给因果变量任何辅助信息,因果效应无法识别.作者提出了辅助信息可识别的定义,并且针对一类比较普遍且重要的辅助信息得出它在一类因果模型中对4种因果效应可识别的充要条件,最后将这结果推广到一般情况
• This dissertation is the expanding of the military project of ‘ 95 ’ advance research , a novel multi - modulation technique designing radar signal waveform is introduced on the links with the project of the national natural science fundation of china ( nsfc ) , named " produce and process the multi - modulation signal of the sensor with strong detectability and identifiability " . based on the analysis of the equal - probability - distributing fsk / psk multi - modulation signal , we construct a new pseudo - random fsk / psk multi - modulation signal and we design and simulink on the computer the partly - matched processing signal of this signal . the purpose of the design is to construct a processing signal to combine with the pseudo - random fsk / psk multi - modulation signal , so that we could get a strong response of the target
  本论文是‘九五’军事预研项目“低截获概率雷达波形研究”的扩展与深入，同时结合国家自然科学基金项目“强探测强识别传感器新型复合调制信号产生及处理”展开。在分析等概率分布的fsk / psk复合调制信号的基础上，构造了一种新的伪随机fsk / psk复合调制信号及其非完全匹配处理的设计及仿真。设计的目的是能对伪随机fsk / psk复合调制信号进行处理的处理信号，以期获得对所探测目标信息的强探测。
• The influence of both synchronous generator and the distance from local power plant to load bus on load modeling are analyzed . when the influences are not negligible , the composite induction motor load model can not effectively describe the actual load . besides , the identifiability in this case is analyzed
  分析了同步发电机在综合负荷中所占的比例、地方发电厂离负荷母线的距离对负荷建模的影响，指出当同步发电机影响必须计及时，通常的感应电动机综合负荷模型就不能正确描述区域负荷，并对由此引起的可辨识性及建模问题作了分析。
• On some reasonable assumptions , the existence and the uniqueness of the solution of partial differential equation are proved by using the semigroup theory ; then based on the current basin temperature from the practical survey , the mathematical model about the identification problem is established , and the identifiability and the existence of the optimal solution of the identification problem are proved ; in terms of the adjoint method presented by chavent , the optimality condition of the identification problem is given ; finally the corresponding algorithm is devised
  在适当的假设条件下，利用算子半群方法证明古地温度场方程解的存在惟一性；根据现今实测温度，建立了问题的参数识别模型；证明了可识别性、最优解的存在性；利用chavent等人提出的伴随方法，给出参数识别问题最优解存在的最优性条件和求该参数识别问题的算法。
• Abstract : in accordance with the problem that some parameters can be identified easily and other parameters are difficult to be identified in the load modeling of three order induction motor , this paper elucidates the relations between the parameter sensitivity and the parameter identifiability through sensitivity analysis . the problem that deals with the effects on parameter sensitivity of the intensity of excitation is also studied . finally , the parameter identification strategy that is meaningful and valuable in modeling is advanced
  文摘:三阶感应电动机负荷模型中部分参数易辨识，且辨识结果稳定，而另一部分参数难辨识，辨识结果存在较大离散性.通过对参数灵敏度进行分析，指出了参数灵敏度与参数易辨识性之间的关系，以及扰动强度与参数灵敏度从而参数易辨识性的关系.最后给出了对实际三阶感应电动机参数辨识的分步方法：利用较小的扰动强度数据来辨识具有较大灵敏度的参数；利用具有足够强度的扰动数据来辩识灵敏度小的参数
• The spurious peaks of the cubic phase function ( cpf ) for multicomponent is first identified by theory and by simulations and hence the identifiability problem arises . by exploiting the different dependence of auto - terms and cross - terms on time , the product cubic phase function is proposed to resolve the identifiability problem
  5 .提出了广义三次相位函数,推出了基于广义三次相位函数的二次调频信号参数估计方法,通过一阶扰动分析导出了广义三次相位函数的理论性能。
• Much of epidemiological and social science research is devoted to estimation of causal effect . generally , the causal effect is not identifiable without any constraint which is called the ancillary information in this paper . first the definition of the identifiability for the ancillary information is proposed and then sufficient and necessary conditions for the identifiability of an important type of ancillary information are discussed . finally , the results are expanded to a more common case
  在流行病学和社会科学中，大量的研究是估计因果效应。一般而言，没有任何假设的条件下，因果效应无法获得，即不给因果变量任何辅助信息，因果效应无法识别。作者提出了辅助信息可识别的定义，并且针对一类比较普遍且重要的辅助信息得出它在一类因果模型中对4种因果效应可识别的充要条件，最后将这结果推广到一般情况。
• Identifiability , filtration and biologic characteristics observation of three fly species in harbin of china were narrated , and it was evaluated to these fly species " larva and imago nutrition in this paper . studies results showed that lucilia sericata meigen , aldrichina grahami aldrich and parasarcophaga crassipalpis macquart are excellent fly species in population . the excellent fly species have regular succession phenomenon as seasonal and temporal changement
  室内、室外试验观察发现，丝光绿蝇( luciliasericatameigen ) 、巨尾阿丽蝇( aldrichinagrahamialdrich )和肥须亚麻蝇( parasarcophagacrassipalpismacquart )在种群数量上具有优势，并随季节时间变化，其幼虫种类具规则的演替现象。
• The history and current development of power system load modeling are briefly summaried , including the concepts , models , identifiability and identification methods . this paper focus on load model in the following three aspects with applications : 1 . influences of local power plant on load modeling
  本文概述了电力系统负荷建模的发展、现状，介绍了负荷建模的概念、方法、常见模型及其参数可辨识性问题和辨识方法，着重研究了负荷建模工程应用中的几个重要问题： 1 、研究了地方发电厂对于区域负荷建模的影响。