model baseline 中文意思是什麼

model baseline 解釋
模型基線
  • model : n 1 模型，雛型；原型；設計圖；模範；（畫家、雕刻家的）模特兒；樣板。2 典型，模範。3 （女服裝店僱...
  • baseline : 底線。球場兩端的邊界線。
  1. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地球靜止雙星定向的相關技術，主要研究成果包括以下幾方面:首先，建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學模型，分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析，數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上，提出了雙星定向精度衰減因子odop的概念，揭示了雙星定向誤差特殊表現的內部機理，對實際工程應用具有重要的指導意義。
  2. In the second section, three ( 2 co2 ) scenarios only considering climate change alone ( c scenario ) were generated first, using outputs of the giss, gfdl and ukmo gcms, combined with the baseline. then, climate change scenarios including change in climate variability ( c + v scenario ) were produced, based on 3 hypotheses and the weather generator ( wgen ) in dssat. finally, the ceres - wheat model was run under both the ( c + v ) scenarios and the baseline, and the combined effects of climate change and its variability with doubled co2 on whiter wheat production in the studied region were assessed, based on the results simulated comparison

    在上述第2部分，首先利用baseline和國際上通用的3種大氣環流模型（ gcms ）即giss 、 gfdl和ukmo的有關網格點值，生成了研究區域3種不考慮氣候變率變化的（ 2 co _ 2 ）氣候變化情景（以下簡稱c情景） ；然後，提出了未來氣候變率可能變化的3種假設，並應用dssat （農業技術轉化決策支持系統）中的wgen （隨機天氣發生器） ，分別生成了研究區域（ 2 co _ 2 ）條件下兼顧氣候及其變率的氣候變化情景（以下簡稱c + v情景） ；再后，在上述（ c + v ）情景下分別運行ceres - wheat （作物-環境資源綜合系統-小麥） ，還考慮了大氣co _ 2濃度的直接影響，並與baseline條件下ceres - wheat的模擬值進行比較，在此基礎上評價了（ 2 co _ 2 ）條件下氣候及其變率變化對研究區域冬小麥生產的影響。
  3. The thesis is aimed at presenting a procedure to establish a baseline finite element model of the qingzhou cable - stayed bridge over the ming river, fuzhou, china that was newly constructed. its main span length of 605m is the longest in the world among the completed composite - deck cable - stayed bridge. the proposed procedure includes several tasks : initial finite element modeling base on the design drawings, field loading tests and ambient vibration tests, and finite element model calibration with the test results

    本文以主跨605m的結合梁斜拉橋? ?青洲閩江大橋為背景，首先根據設計圖紙建立該橋完整的初始空間有限元模型，然後根據通車前現場靜力試驗和環境振動試驗結果對初始有限元模型進行校正，通過參數的調整使模型靜、動力計算結果與實測值吻合。
  4. This thesis analyzed various error resources in gps surveying and advanced appropriate correction measures ; it introduced theory and method that estimate parameter in reliability study, and then, deduced adjustment mathematic model of gps network ; based on analyzing characteristics of reliability study of gps network and outlier analysis, it carried profoundly out study on issue about reliability of gps network, deduced and summarized target of reliability of gps network, including redundant observation component of gps baseline vector and inside & outside reliability index, advanced a theory about reliability of gps network based on correlative analysis, and summarized methods that improve reliability of gps network ; it worked out a software of reliability analysis about gps observation, which made reliability analysis automatic and convenient

    論文分析了gps測量中的各種誤差來源，提出了相應的改正措施；介紹了可靠性研究中參數估計的理論和方法，進而推導出gps網平差的數學模型；在分析了gps網可靠性研究和粗差分析特點的基礎上，對gps控制網可靠性問題進行了深入的研究，推導總結出了gps網可靠性指標，包括gps基線向量的多餘觀測分量、內部可靠性和外部可靠性指標，提出了基於相關分析的gps控制網可靠性理論，總結出了提高gps控制網可靠性的措施；編制出了gps觀測數據可靠性分析軟體，使可靠性分析自動方便。
  5. 4. to the situations of short - baseline, a genetic algorithm of search for ambiguity solution with horizontal model is studied

    針對短基線的情況，研究基於平面模型的浮點數遺傳搜索演算法來確定整周模糊度。
  6. Firstly, the basic theory of the ultra - short baseline system is dissertated. and then, several typical localization model of four cell lineup is analyzed and investigated thoroughly. a optimal localization model is educed by contrasting performance and analyzing precision

    首先論述了現有超短基線被動聲定位系統的基本理論，緊接著深入研究了幾種典型的四元方陣的定位模型，通過性能對比、精度分析，討論得出了最優的定位模型。
  7. For the two parts mentioned above, this paper introduces a high precision positioning system for underwater application, which is made up of dgps and acoustical ultra short baseline. in this positioning system, the emphasis has been put on the mathematical model for positioning computation, and based on the model the author has given computer simulation results for positioning computation

    在本論文中，介紹了一套由dgps和水聲超短基線構成的水下精確定位系統，重點建立了用於此系統定位解算的數學模型，進而以該模型為基礎進行了定位解算的計算機模擬模擬，模擬結果進一步驗證了數學模型的正確性和系統的可行性。
  8. The team obsered significant decreases in glucose - insulin ratio and quantitatie insulin - sensitiity check index, and significant increases in baseline insulin and homeostasis model assessment

    研究小組觀察發現，血糖-胰島素比率和定量胰島素敏感性檢測指數明顯下降，而基線胰島素和內環境穩態模型評估指數明顯升高。
  9. A baseline finite element model must be a full three - dimensional model that can reflect the built - up bridge conditions comprehensively and correctly. in addition, it must be a model properly validated by the bridge field tests

    斜拉橋基準有限元模型首先應該是能夠全面、正確反映結構真實性態的完整的計算模型，其次，它還應該是經現場試驗驗證了的有限元模型。
  10. By way of analysis about the typical gps receiver tracking loops, the mathematical models of code multipath error and carrier phase multipath error are proposed in the dissertation ; by way of analysis about geometrical model of multipah signal, the mathematical model of differential path delay is proposed in the dissertation ; based on the above analysis, a improved carrier phase multipath mitigation algorithm using closely - spaced multiple antennas array is proposed, the result of computer simulation proves that the algorithm is feasible. the attitude parameters are often estimated using direct computation method. the relationship between the accuracy of attitude parameters and baseline length as well

    本文從經典的gps接收機跟蹤環出發，分析了多徑效應對偽距觀測量、載波相位觀測量和snr的影響，提出了碼相位多徑誤差和載波相位多徑誤差的數學模型；通過對多徑效應的幾何模型分析，提出了多徑信號相對路徑延遲的數學模型；在此基礎之上，提出了一種改進的基於窄間距多天線陣列的載波相位多徑誤差抑制演算法，通過計算機模擬證明了該演算法的有效性。
  11. A baseline system of keyword spotting based on continue hidden markov model ( chmm ) is constructed

    研究的主要內容包括: 1 .基於連續隱馬爾可夫模型（ chmm ）框架的非特定人關鍵詞識別基線系統的構建。
  12. The micro - satellites cooperate together to accomplish one or more tasks, which has equivalent function with a big satellite. the new model system can provide more baseline and contribute to data fusion. it has much more advantage than conventional single spaceborne sar system because its baseline selection is agile and alterable

    由於採用多星協同工作，該系統在保持高解析度情況下可實現寬測繪帶成像、動目標檢測以及地面高程測量等多項任務，並且這種分散式衛星能提供靈活多變的基線組合，可提升系統性能和擴展系統功能，同時提高衛星生存能力、實施規模生產和降低發射費用，具有傳統星載sar無法比擬的優勢。
  13. An optimizing method based on biological evolution - genetic algorithm is proposed to the problem of the construction process planning analysis. adapting the successful experience of path optimization problem, improved genetic operators are adopted : the sequence of numbers, which is arranged by the removal order of members, is assumed to represent a chromosome by natural code ; transforming baseline information of this problem into immune operators ; combining rank - based model with elitist model ; designing special crossover and mutation operators. the mathematical model for computer and special programs are provided in this paper

    借鑒遺傳演算法在求解路徑優化問題上的成功經驗，應用了改進的遺傳運算元：採用自然數對結構去除構件進行編碼，將所求問題的基本信息轉換成免疫運算元，採用穩態最優保存策略和排序選擇方法相結合進行選擇，採用適用於本問題研究的特殊的交叉運算元和變異運算元，從而來討論在桁架結構施工路徑優化問題中使用遺傳演算法的可能性。
  14. Continuing health monitoring or regular condition assessment of important bridges is necessary to ensure that the bridges function well. in order to do that, a baseline finite element model of the target bridge is often indispensable not only for complex dynamic response analysis ( such as seismic analysis, wind - resistant stability analysis, train - bridge vibration analysis and so on ), but also for health monitoring of the bridge

    對于大型重要橋梁來說，無論是對其進行復雜響應分析（如地震響應分析、抗風穩定性分析、車橋振動等方面的動力分析） ，還是進行長期監測和健康狀態評估，一個準確和有效的「基準」 （ baseline ）有限元模型都是不可缺少的前提。
  15. 5. we analysize detailly in the distributed - satellite system at - insar work model, the relationship between the velocity of the slowly - move target and the baseline selection, give the demand of the velocity precision to the baseline precision, and the influence of the earth - rotation and satellite - movement to the baseline parameter and the homologous simulation result

    詳細分析了在分散式衛星系統at - insar工作模式中，慢動目標的速度與基線選取的關系，給出了測速精度對基線精度的要求，以及地球自轉和衛星運動對基線參數的影響，並給出了相應的模擬結果。
  16. Dbm dynamic baseline model

    動態基線模型
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