computational condition 中文意思是什麼

computational condition 解釋
計算條件
  • computational : adj. 計算的。
  • condition : n 1 狀態,狀況,情形;品質。2 〈pl 〉外界狀況,周圍情形。3 地位,身分。4 條件;【語法】條件子句。...
  1. Many computational results were obtained and can provide the inner hemodynamic situation at each moment of the cardiac cycle and each specified position of the coronary bifurcation for learning the severity of the atherosclerosis in the coronary artery. the hemodynamical variables and the visible flow condition can be shown

    為了突出研究重點,本文的主要工作集中在人們最為關注的流場與剪應力的模擬求解、分析處理上,而對于速度和二次流的結果也一併得出。
  2. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。
  3. So the topic for farther discussion will be developed on the ground of soil - foundation - structure interactions, and em phasizes particularly on the investigation for dynamic effects on interaction of pile - supported structures subjected to lateral seismic load at layered - soil media. it will provide engineering application with practical and concise computational method, but also provides the aseismatic design for pile - supported structures with proper theory foundations and schemes to some extent on condition that definite codes are absent at present. the full article is divided into six chapters, as follows : 1

    本論文工作將圍繞地基-基礎-上部結構共同作用這一課題作進一步探討,側重於水平地震作用下層狀地基土中的樁基-建築物的動力相互作用的研究,為實踐應用提供了適合於工程目的的、比較簡捷的實用計算方法,亦擬為沒有明確規范指導的樁(土)基礎-結構抗震設計提供一定的理論依據和設計建議。
  4. Fourthly, a fast back projection ( fbp ) algorithm is presented. it sloves the problem of large computational load of bp algorithm and the condition of dividing the subapterture is presented

    接著提出了一種快速後向投影演算法( fbp ) ,解決了bp演算法計算量大的問題,給出了子孔徑劃分的條件。
  5. ( 2 ) transient jet - interaction phenomena, challenge project, is analyzed by computational unsteady aerodynamic method. boundary condition of transient jet is established

    ( 2 )將非定常空氣動力學數值計算方法創造性地應用於姿態控制發動機瞬態流場計算。
  6. According to the engineering criterion of the cooling system, the function and the characteristic of the cooling system are checked at the case of rating and torque, thus two schemes are compared to select the better one, and also the boundary condition for further computational fluid dynamics ( cfd ) analysis is provided

    按照冷卻系統工程規范,分標定點與轉矩點兩個工況來檢查冷卻系統的功能和特性,以比較兩種結構方案的優劣,也為下一步進行計算流體動力學分析( cfd )提供邊界條件。
  7. A 2 - d hydrodynamic - numerical model was applied to typical rocky rapids called jiyutan by comparing different computational models. based on the comparison of different schemes, the change of the discharge and the flow current in a branch were analyzed, and the relationship between the flow condition and excavation area, scope as well as mode was discussed, the conclusions show : ( 1 ) in a branching rocky rapids, the velocity may be reduced and flow condition can be improved by excavating one channel partly

    本文在對各種數學模型比較的基礎上,應用二維水動力數學模型研究典型石質汊流灘? ?廣西潯江鯽魚灘航道整治工程方案,通過各方案計算結果比較,分析了不同汊道的開挖及汊道內不同開挖面積、開挖范圍以及開挖方式所引起的分流比及工程區域航道水力條件的變化規律,研究結果表明: ( 1 )對于石質汊流灘來說,在某一汊道通過局部開挖河槽,擴大過水斷面面積,可以達到降低工程段流速、改善局部水流條件的目的。
  8. Specific measure is social insurance device unite to enterprise and worker according to fixed computational cardinal number and extraction scale collect emeritus fee, form the emeritus fund that consolidates management by social insurance device, extend according to the real need of emeritus charge again retired worker, in order to change emeritus charge complete by the practice of this company load, solve company load thereby the problem of emeritus charge attach too much weight to this and too little weight to that, the equal competition that is an enterprise creates a condition

    具體辦法是社會保險機構按照一定的計算基數與提取比例向企業和職工統一徵收退休費用,形成由社會保險機構統一治理的退休基金,再按照退休費用的實際需要發放給退休職工,以改變退休費用完全由本企業負擔的做法,從而解決企業負擔退休費用畸輕畸重的問題,為企業的平等競爭創造條件。
  9. After the comparing the simulation results with the theoretic results under the three followed condition : a point light source on the parabola reflector focus, a point light on the ellipsoid reflector focus and a point light source before the parabola reflector focus, a conclusion is gotten that the two results are generally accordant, the accuracy of the simulation software reach the engineering requirements and the computational simulation software of photometric characteristics of headlamp of motor vehicles can guide the design of the headlamp reflectors

    比較了點光源位於拋物面反射器和橢球面反射器焦點的情況和點光源偏離拋物面焦點的情況下照度的理論計算結果和採用本文的照度模擬計算結果,其模擬計算結果和理論計算結果基本相符,能滿足工程上的要求,說明模擬計算軟體對前照燈的反射鏡的設計具有很好的指導意義。
  10. Specific measure is, change enterprise loses a this business severally the method of emeritus cost, change to be united to enterprise and worker according to fixed computational cardinal number and extraction scale by social insurance device or tax authority collect emeritus fee, form the emeritus fund that consolidates management by the society, the emeritus charge of company worker extends directly by social insurance device, or entrust bank, post - office generation hair and entrust an enterprise to extend, in order to achieve balanced with the emeritus expense burden that reduces an enterprise, the equal competition that is an enterprise creates a condition

    具體辦法為,改變企業各自負擔本企業退休費的辦法,改由社會保險機構或稅務機關按照一定的計算基數與提取比例向企業和職工統一徵收退休費用,形成由社會統一治理的退休基金,企業職工的退休費用由社會保險機構直接發放,或委託銀行、郵局代發以及委託企業發放,以達到均衡和減輕企業的退休費用負擔,為企業的平等競爭創造條件。
  11. A new computational formula to nonlinear adjustment by parameters, in consideration of the second - order terms, is derived in this paper from the precise orthogonality condition equations to nonlinear least squares by analyzing the direct solving process and iterative computing method of the linearized model

    在分析線性化的非線性參數平差的近似直接解法與迭代解法基礎上,利用非線性最小二乘的精確正交性條件方程,推導出顧及到二次項的非線性參數平差的一種新的計算公式。
  12. Computational fluid dynamics ( ( fd ) provides a condition for numerically simulating ship fluid flow field with the development and commercialization

    計算流體動力學的發展和商業化,為數值模擬船舶流場提供了條件。
  13. In order to make clear the change law of dispelling the heat of the thermal bridge of building and propose the measure for suppressing or eliminating the thermal bridge of the buildings ; the subject is according to the meteorological condition of jinan, to emulation computational analysis and study to the energy - conserving energy consumption of residential housing at first

    為了弄清建築熱橋散熱的變化規律,並提出抑制或消除建築熱橋的措施,本課題依據濟南市的氣象條件,首先對節能住宅建築能耗進行模擬計算分析與研究,得出:在節能住宅建築中,圍護結構主體的耗熱量比傳統建築降低了很多。
  14. 3 a novel recursive least - square ( rls ) blind space - time receiver algorithm based on the constrained condition, which can completely avoid the matrix inversion introduced into by constraints ( comparing with the normal rls ), is proposed for multi - path slow fading cdma channels. the computational complexity of this method is not only lower than that of the normal rls, but also lower than that of both lms and ls blind space - time receiver methods that are realized based on the rosen ' s gradient projection. and the speed of convergence of the presented rls blind space - time receiver algorithm is better than that of both lms and ls blind space - time receiver methods

    3 、針對多徑慢衰落通道下ds - cdma盲空時接收機中線性約束二次規劃問題提出一種新的遞歸最小二乘演算法,該演算法完全避免因約束而引進的矩陣求逆運算(相對于常規的遞歸最小二乘演算法) ,不但運算量比常規的要低,而且比基於rosen梯度投影實現的最小均方( lms )與最小二乘盲空時接收機演算法還低,且收斂速度比基於rosen梯度投影實現的最小均方( lms )與最小二乘盲空時多用戶檢測都好,將提出的新的遞歸最小二乘演算法與提出的數據選擇方案結合起來可以進一步降低其運算量,具有很大的實用價值,最後通過模擬實驗進一步分析了其性能。
  15. Combined with the data - selected schemes proposed, the computational complexity of this method can be lowered. the performance of the presented rls method is analyzed by simulations, and it is shown that this method is interesting for application. 4 time - selective channel signal model based on multipath - doppler diversity representation is given in multi - path fast fading channel, and rls space - time receiver algorithm based on time - varied constraint condition is presented and the computational complexity of this method is analyzed

    4 、針對多徑快衰落通道下的ds - cdma系統,給出了基於多徑-多譜勒觀點描述的1百安電弓卜科東兔j憶學協士學位論文時間選擇性通道的信號模型,提出了基於變約束條件下的遞歸最小二乘空時接收機演算法並分析演算法的運算量,最後通過模擬分析了所提出的方法的性能。
  16. In order to validate the feasibility of the novel algorithm, ultrawide band pulse wave is used as incident wave. computational domains are limited by absorbing boundary condition. the transformation technique from near zone to far zone is used when the sampling spot is outside of the computational domains

    時域成像技術以超寬帶脈沖源作為入射波源,用吸收邊界條件來界定計算域,而當采樣點遠離計算區域時,需要通過近?遠場的轉換技術把近場等效面上的信息轉換到遠場,本文採用簡單而實用的柱面波外推法作為近?遠場的轉換方法,收到了較好的效果。
  17. In numerical computation aspect, by implying new computational geometric field, computation error caused by boundary condition was decreased

    在數值計算方面,本文採用了新的計算域,減小了由於邊界條件造成的計算誤差。
  18. After individual worker presses insurance premium of formulary pay society, social security orgnaization establishs individual account for its, write down capture to expend fixed number of year, can uninterrupted length of service can write down calculative account of individual endowment insurance, as the basis that determines emeritus condition and computational annuities

    個體勞動者按規定繳納社會保險費后,社保機構為其建立個人賬戶,記入繳費年限,可以計算的連續工齡可記入個人養老保險賬戶,作為確定退休條件和計算養老金的依據。
  19. In addition, corresponding measures of initial condition and boundary condition are presented. to solve fluid problem, differential equations must be discretized in the computational field

    為了求解泛定方程,本文在分析模擬對象流動特徵的基礎上,給出了相應的定解條件,包括初始條件和邊界條件。
  20. 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。
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