Exact estimation of the document language model is important to the performance of the language model based IR system.
准确的文档语言模型估计对于改善语言模型检索系统的性能是非常重要的。
A simple and conveniently applicable performance estimation formula, for a combined cycle with a double reheat waste heat boiler, is obtained with the help of an ideal thermodynamic model.
根据理想的热力学模型，得出了形式简单、使用方便的双再热式余热锅炉型联合循环性能估算公式。
The thesis presents the reasons of range partitioning, operation mechanisms and range estimation method of DOOR. Detailed system model and performance evaluation for DOOR are also given.
论文详细阐述了采用区间优化的原因、DOOR机制的具体工作方式、区间的估计方法、系统理论模型和性能分析方法以及对DOOR机制的仿真验证。
This paper presents a model of speed estimation for the direct torque control system. This model which has high response performance is based on the analysis of the theory of DTC.
本文在分析感应电动机直接转矩控制理论的基础上，推导出电机瞬时转速的估算模型，该估算模型具有快速跟踪真实值的优点。
The digital simulative results show its good performance of estimation. It is compared with differential equation model-based least square algorithm and all-ware Fourier algorithm.
通过数字仿真计算验证了改进后算法的优良估计性能，将之与基于微分方程模型的最小二乘法、全波傅里叶算法作了比较。
Finally, the performance of information diffusion yield estimation model was compared with multiple linear regression model and BP neural network model.
然后针对模型的稳定性和精度进行交叉验证，并与多元线性回归模型和BP神经网络模型进行对比。
Finally, the performance of information diffusion yield estimation model was compared with multiple linear regression model and BP neural network model.
然后针对模型的稳定性和精度进行交叉验证，并与多元线性回归模型和BP神经网络模型进行对比。
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