benchmark problem 中文意思是什麼
benchmark problem
解釋
基準算題-
This benchmark has that problem in several ways
基準在很多方面都存在這樣的問題。 -
The first part comprises industrial pta oxidation process modeling, residual fluid catalytic cracking process modeling, complex distillation modeling and analysis, the application of pta oxidation process soft - sensor technology. in the second one, the infeasibility degree based genetic algorithm is proposed to handle constrained optimization problem in engineering cases and the neighborhood and archive based genetic algorithm and its variant are proposed to treat the multi - objective optimization problem. with that, the pta oxidation process is regarded as a benchmark for the application of the proposed multi - objective optimization genetic algorithm
論文內容分為兩部分，第一部分對包括三個典型的工業過程， pta氧化反應器、渣油催化裂化反應系統和復合式精餾塔進行分析、建模以及pta氧化過程的軟測量工程實施；第二部分分別提出了基於進化演算法解決工業過程中普遍存在的約束優化問題和多目標優化問題的過程優化演算法? ?基於不可行度選擇遺傳演算法和基於鄰域和存檔操作遺傳演算法，並利用該演算法對工業pta氧化過程操作進行多目標優化研究。 -
In the algorithm level, currently various training algorithms of neural networks, including gradient algorithms, intelligent learning algorithms and hybrid algorithms, are comparatively studied ; the optimization principle of bp algorithm for neural networks training is analyzed in detail, and the reasons for serious disadvantages of bp algorithms are found out, moreover, the optimization principle of two kinds of improved bp algorithms is described in a uniform theoretic framework ; and the global optimization algorithms of neural networks, mainly genetic algorithm are expounded in detail, it follows that a improved genetic algorithm is proposed ; finally the training performances of various algorithms are compared based on a simulation experiment on a benchmark problem of neural network learning, furthermore, a viewpoint that genetic algorithm is subject to " curse of dimension " is proposed
在演算法層，本文對目前用於神經網路訓練的各種演算法，包括梯度演算法、智能學習演算法和混合學習演算法進行了比較研究；對用於神經網路訓練的bp演算法的優化原理進行了詳細的理論分析，找到了bp演算法存在嚴重缺陷的原因，並對其兩類改進演算法-啟發式演算法和二次梯度演算法的優化原理，在統一的框架之下進行了詳盡的理論描述；對神經網路全局優化演算法主要是遺傳演算法進行了詳細的闡述，並在此基礎上，設計了一種性能改進的遺傳演算法；最後基於神經網路學習的benchmark問題對各種演算法在網路訓練中的應用性能進行了模擬研究，並提出了遺傳演算法受困於「維數災難」的觀點。 -
So, building application - oriented benchmark can effectively resolve the performance problem of building massive database
因此，建立面向應用的benchmark能夠有效的解決構建海量數據庫的性能問題。 -
The problem of control benchmark is solved by the use of hpop, and the problem of constant thrust control is solved by h control theory and pwpf modulator
本文利用衛星精密軌道預報的結果作為基準軌道，解決了控制基準的問題；利用h _控制理論和pwpf調制器解決了軌控小發動機常推力控制問題。 -
We sets up a multi - factor model of portfolio choice with benchmark by introducing the multi - factor model of securities return into the multi - factor model for investment with benchmark portfolio, studies its solution and the problem on setting value of controlling parameter in the model
摘要將證券收益的多因素模型引入基於市場基準的投資決策模型，建立了基於市場基準的多因素證券組合投資決策模型，研究了模型的解和模型控制參數值的選取問題。 -
It is an extension of core of manna and pnueli " s pltl. in succession, a formal axiom deductive system is presented. it ' s soundness based formal semantic defined in this thesis is proved. as an example, we specify grc ( generalized railroad crossing ), which is a benchmark problem for real time systems, and verify it ' s safety and liveness
作為它的一次實際應用，我們用它對于實時系統中的一個典型實例： grc （ generalizedrailroadcrossing ）進行了描述，給出了它的系統規約，在此基礎上，演繹式的證明了系統的一個安全性和活性命題。 -
The solving tsp ( traveling salesman problem ) examples as benchmark shows that this platform can increase the branch and bound algorithm ' s efficiency and get the optimal solution sooner
計算表明，在保證求得最優解的前提下，該平臺能很好地提高分支定界演算法的效率。 -
The government is planning to commission an overseas organization specialized in counselling and treatment services for problem and pathological gamblers to conduct a benchmark study on how best to provide similar services in hong kong and measure their effectiveness
政府計劃委託一個向問題和病態賭徒提供輔導及治療服務的外國專業組織，研究如何可以最有效地在香港提供類似服務及評估有關服務成效的水平基準。
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