wave prediction 中文意思是什麼

wave prediction 解釋
波浪預報
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪;碎浪; 〈the wave(s)〉 〈詩〉海。2 波動;波狀...
  • prediction : n. 1. 預言,預告。2. 被預言的事物。3. 【氣象學】預測,預報。
  1. 2. dynamic meteorology : equations of motion ; geostrophic, ageostrophic and gradient winds ; thickness and thermal wind ; continuity equation ; stream function ; vorticity equation ; divergence equation ; omega equation ; rossby wave ; ekman layer ; numerical weather prediction

    2 .動力氣象學:運動方程地轉風非地轉風及梯度風厚度及熱成風連續方程流函數渦度方程輻散方程奧米茄方程羅斯貝波埃克曼層數值天氣預報。
  2. Lastly, by combining the noblesse new slender ship theory and the savitsky method, we get the wave - making resistance prediction method for semiplaning ship. examples of calculation are also presented

    最後將改進的noblesse新細長船理論與sit法結合,得到了計算半滑行船興波阻力系數的方法,並給出了計算實例。
  3. With the wide application of carbon / phenolic composite in spacecrafts and missile hulls, the prediction of dynamic response or internal damage of structures subject to explosion, impact or the shock wave induced from the sediment of high - energy particle beam and the evaluation of capability of composite in defending stress wave, aroused the study of the constitutive relation and the characteristic of stress wave propagating

    隨著碳酚醛在航天飛行器結構及導彈殼體中日益廣泛的應用,預測結構受到爆炸作用、沖擊或由於高能粒子束在其表層大量沉積而產生的應力波所引起的動態響應及內部損傷,以及對其防護應力波的性能進行評估等,都需要對碳酚醛的本構關系以及應力波在其中的傳播特性開展研究。
  4. A kind of method - accelerative multi - images method is given to the electromagnetic wave propagation prediction to the irregular urban area of this article

    本文研究並給出了一種非規則城市環境電波傳播的預測方法? ?加速多鏡像法。
  5. The main research contents of the physical design include : presenting the domestic and international status of space weather and expanding on the need and the importance about the space weather forecast ; sorting the disastrous space weather and discussing their effects and adapted prediction methods ; analyzing the solar disturbing resources of space weather and the precursor or concomitant phenomena of solar eruption based on the newest observational results ; probing into the radiation principle of solar short - wave ray and presenting the computing methods about solar continuum and line spectrum radiation ; extrapolating physical methods of reconstructing the temperature and the emission measure of coronal plasma ; argumenting the effective observing spectrum for space weather empirical forecast and space weather numerical forecast

    物理設計的主要研究內容包括:分析目前國內國際空間天氣預報的發展現狀及開展空間天氣預報的必要性和重要性;分類討論了災害性空間天氣的種類、影響及目前國際上的預報方法:分析了空間天氣太陽擾動源及擾動源爆發的先兆現象或者伴生現象;討論了太陽短波輻射線譜和連續譜輻射強度的計算方法:推導了利用望遠鏡多波段的觀測結果反演日冕等離子體溫度、發射量等參數的物理方法:論證了開展空間天氣經驗預報和發展數值預報有效的成像譜段。
  6. This paper deals with seismic analysis of an immersed tunnel using the travelling wave method the objective of the analysis is to obtain the maximum stresses in the tunnel body and the relative displacements at the joints for design purpose in analysis , the axial and transverse input waves are treated as two independent waves with different amplitudes and periods the method has been found to have the advantages of simplicity and clearness in physical concepts however , reasonableness of the prediction by the method depends largely on the input data , such as the wave amplitude , the wave length , the propergation speed of the travelling wave as well as the reaction coefficient of the ground thus , determination of the input data is discussed in detail finally , the method is applied to analysis of huangsha - fangcun immersed tunnel across the pearl river in guangzhou

    將行波法應用到剛度較大、分段較多的水下沉管隧道的地震分析中,提出把軸向、橫向兩個輸入波處理為兩個獨立的行波的方法行波法是否符合實際,與輸入地震波的有關參數及地基系數選取有很大關系,作者對此進行了比較深入的討論,使輸入參數的選取簡單、明確,便於對計算結果進行分析與判斷最後應用此法對珠江水下隧道的工程實例進行了計算
  7. Prediction of big ship motion with wave survey

    具有艏前波觀測量的大型艦船姿態運動預報
  8. At short microwave and long millimeter wave bands, the ratios of the rain - induced attenuation on up - link to down - link are estimated on earth - space slant paths. a comparison of the prediction results with the experiment data in boston and kashima areas is carried out

    在微波和毫米波低端,預測了地一空路徑上、下行鏈路雨衰減的比率,並與美國波士頓和日本kashima地區的實驗數據進行了比較,結果一致性較好。
  9. As a result, the studying aim of this paper is to establish a practical and complete system for the prediction of ship maneuvering motion, taking into account of the influence of the environmental factors, such as the wind, wave and current, establish a practical and complete system for the prediction of ship maneuvering motion. in this paper, the opengl virtual reality simulation technique is introduced into the field of ship maneuver and control, and using the mmg mathematical model, the three dimensional dynamic simulation system of the ship motion is established and good results are achieved. in the process of the system development, firstly, the maneuvering motion equations for ship in the still water are established, based on the mmg module mathematical model and serial experimental result

    在系統開發過程中,首先採用mmg分離式數學模型及相關的系列化試驗結果,建立單槳單舵海洋運輸船舶在靜水中的船舶操縱運動方程,並編制計算程序,經與試驗結果比較,證實了計算結果的正確性;為了解mmg數學模型中模型參數變化對操縱性指數的影響程度,作者在上述已有程序基礎上,對有關模型參數進行偏移修正,探討了相應參數變化后的操縱性指數,對船舶操縱性指數對模型參數的靈敏度進行了詳細的分析與探討,所得結論與工程實際相吻合,具有實際應用價值,並為進一步提高船舶操縱性預報的精度打下了基礎;然後,在已有的船舶靜水操縱運動模型基礎上,考慮雙槳雙舵的影響,建立了內河雙槳雙舵船舶的操縱運動模型;最後,綜合考慮風浪流作用力的影響,進行了船舶的操縱運動模擬計算。
  10. In this paper, a wave - making resistance prediction method for semiplaning ship will be presented

    本文將探討一種計算半滑行船興波阻力的方法。
  11. The time evolution of wave functions is deterministic in the sense that, given a wavefunction at an initial time, it makes a definite prediction of what the wavefunction will be at any later time

    感覺上波函數的時間演化是確定的,在起始時間給出一個波函數,在以後的時間里就可以確定預報波函數。
  12. The steady solution of nonlinear ship motions in oblique seas can be gained by adopting the new technique presented in this thesis. this work promotes the application of theoretical prediction methods of nonlinear ship motions and wave loads

    本文提出的新方法可以保證獲得斜浪中船舶非線性運動的穩定的周期解,從而進一步完善了斜浪中船舶非線性運動預報和波浪載荷計算的工程實用方法。
  13. This text has counted the electric wave propagation path loss of street in one kind of typical rule range urban area, and reaches calculations data fairly with the measured data in the document. then calculate and analyze electric wave propagation ’ s characteristic in urban area. finally give an electric wave propagation prediction application example of column building model

    本文最後計算了一種典型的規則排列得城市環境中街道得電波傳播路徑損耗,並與文獻中得實測及計算數據進行了比較,然後進一步對矩形、圓柱型建築物城市小區電波傳播進行了分析計算。
  14. According to state - of - the - art of evaporation duct propagation research, and to meet the demands on the prediction techniques of evaporation duct environment and the assessment of radar performance under evaporation duct environment, this dissertation gives a thorough research in depth on the subject described above. the researches include the prediction theory of evaporation duct and its applications, the theory of ray tracing based on which the prediction of radio wave rays are conducted and its application to the predicting of radar range performance under a given evaporation duct, and the characteristics of tropospheric ducts over china

    根據上述情況,結合我國盡快得到蒸發波導環境預測技術及在其中運作無線電系統的性能預測技術等需求,本文針對蒸發波導傳播及其相關應用這一熱點難點問題較深入地研究了蒸發波導環境預測技術的理論及其應用、蒸發波導環境中雷達探測性能評估所要求的基本理論之一? ?射線描跡技術及其在代表性蒸發波導環境中雷達探測性能評估技術方面的應用和我國應用所需的我國大氣波導環境特性等幾個方面。
  15. Prediction of the motions and wave loads acting on ships sailing on the sea is very important to the fem, the probability analysis and the fatigue analysis of ship structures

    船舶在波浪中的運動響應及波浪載荷預報,對于船體結構有限元分析、可靠性分析及疲勞分析等是十分重要的。
  16. At the same time, as more and more radio sources have been set up, electromagnetic pollution in urban area becomes more serious, which is harmful to people ' s healthy and communication system so it is necessary to simulate the electromagnetic propagation in urban area by computer being an approximate hf method in evaluating em scattering , the complex ray method ( crm ) is valuable in actual applications , mainly benefited from its simple physical model , convenient mathematical formulation and computational efficiency, especially with the scenes of scattering from complex objects based on the condition mentioned above, a hybrid ray model of the urban area electromagnetic wave propagation prediction was established with the foundation of ray tracing theory and complex ray theory

    復射線技術作為一種求解波場問題的高頻近似方法,由於其具有物理模型簡單、數學處理方便、計算效率高等優點,在復雜的目標散射特性分析等應用領域中有著重要的應用價值。基於以上的情況,本文在射線追蹤理論和復射線理論的基礎上,為城區環境建立了混合射線預測模型。本文採用橢圓模型對已有的射線追蹤方法進行加速,並將復射線理論應用到城區環境電波傳播預測中,提出新的預測方法混合射線方法。
  17. Based on the model of divided form and inserted value, this paper analyzes the small wave commutation and divided form and then forms the repeated replacement arithmetic of the inserted value for the shanghai securities exponent tend on the newly - typed prediction

    摘要基於上證指數的分形插值模型,通過小波變換和分形分析,構造了新型的預測上證指數趨勢的插值迭代演算法。
  18. Research and analysis of forward prediction technology using seismic reflection wave in tunnel and laneway in china

    中國隧道及井巷地震波法超前探測技術研究分析
  19. In this thesis the author tries to prove that the wave of price in the stock market is predictable finitely with theory and practice. as a matter of fact, trends, time cycles and price cycles are characteristic of the wave. at the same time, prediction itself cannot provide absolute precision, and it ' s finite

    本文從理論和實證上證明股票市場價格波動存在有限可預測性,即價格波動存在趨勢性、周期循環和價格循環,同時也指出預測科學本身並不能提供100的精度, 「可預測性」是有限的。
  20. Abstract : in this paper, the authors give a description of the seismological research and observation in turkey, including artificial seismic wave observation, water chemistry observation and the earthquake prediction experiment site and so on

    文摘:介紹了土耳其的地震研究與觀測情況,其中包括:人工地震波觀測、水化觀測和地震預報實驗場等。
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