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。
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