sample calculation 中文意思是什麼

sample calculation 解釋
取樣計算
  • sample : n 1 樣品，貨樣。2 標本；榜樣，實例。3 【統計】典型取樣，抽檢查。4 【電訊】信號瞬時值。5 【冶金】 ...
  • calculation : n. 1. 計算，計演算法。2. 推定，預測。3. 深思熟慮，精打細算；慎重的計劃；算計。
  1. A calculation sample showed the exactitude and efficiency of the method

    計算實例表明，其預測精度較高。
  2. The methods described in this chapter and utilized in the sample problem calculation can't be expected to yield perfect predictions of ground level pollutant concentrations.

    用本章所介紹並用在實例計算中的方法，不能期待得到地面污染物濃度的精確預測值。
  3. This dissertation majorly researchs and designs full digital dc driving system with fuzzy control. it makes a scheme argumentation firstly, analyzing the pid algorithm and fuzzy control algorithm the ordinary digital pulse trigger algorithm and the double remainder method of pulse trigger in detail, and fuzzy control and the double remainder method are put forward to settle the under - mentioned problems, namely, the new viewpoint and the task having finished in this dissertation as follows : ( 1 ) in rder to overcome the influence of dc motor ' s parameter changing with time and nonlinear on the control system performance, this dissertation adopts fuzzy control as outside regulator and pi control as inside regulator in double regulators of the full digital dc motor driving system design ;. ( 2 ) aiming at the pulse trigger reliability of the ordinary d igital pulse trigger being low and leaking the pulse or the order of pulse confusion, this paper adopts the double remainder algorithm with short response time high pulse trigger reliability good adaptability and anti - jamming ; ( 3 ) this dissertation adopts tms320lf2407 which has good performance as major control chip this chip has power function with fast calculation capability, and accomplishes the software and hardware design in the dc motor driving system with fuzzy control ; ( 4 ) this dissertation also puts emphases on anti - jamming in hardware and software ; ( 5 ) after having designed the sample of full digital dc motor driving system with fuzzy control, a lot of experiments are performed to verify the performance and settles problems during experiment. the result of experiment proves the feasibility of design

    首先進行了方案論證，對模糊控制演算法和數字pid調節演算法、觸發脈沖的一般演算法和雙余演算法進行了詳細地研究分析，提出應用模糊控制和雙余法解決下述問題，即該論文主要的新見解和所完成的工作： （ 1 ）為了克服直流電機參數時變性和非線性因素對控制性能的影響，本設計中，雙閉環調速系統的外環採用模糊控制，內環採用pi控制，使系統在一定范圍內對直流電機參數變化和非線性因素影響有自適應能力； （ 2 ）針對常規數字觸發器演算法中觸發脈沖的可靠性不高，經常出現漏脈沖或是脈沖混亂的情況，本文採用雙余法，該演算法具有響應快，可靠性高，具有良好的適應性及抗干擾能力； （ 3 ）本設計中採用了速度快、功能強的tms320lf2407作為系統的主控晶元，應用該晶元完成系統的軟硬體設計： （ 4 ）本文對系統抗干擾的軟硬體措施進行了重點研究； （ 5 ）設計了具有模糊控制的全數字直流傳動系統原理樣機，並進行了試驗驗證，對試驗過程中出現的問題及時解決，最終實驗結果證明設計是可行的。
  4. Calculation sample showed that this method is simple and applicable in estimating creep and shrinkage in tall building structural design

    算例表明該法簡單實用且計算誤差較小，可以用於超高層建築結構設計中估算收縮徐變。
  5. Using the simulation calculation procedure imitate calculating vibration of the driver seat in sample car, the center of the compartment, distance 300 mm of the backboard of the compartment. the result of calculation and experimental result are relatively well identical. have shown the exactness of the vehicle vibration models that are set up and validity of the vehicle vibration simulation calculation procedure

    用該程序對樣車的司機座椅、貨廂中心、距貨廂后板300mm三處的振動進行了模擬計算，計算結果與實驗結果基本穩合，表明了所建立的車輛振動模型的正確性和車輛振動模擬計算程序的有效性。
  6. When determining a candidate ellipse, the number of points sampled randomly was maximally reduced, more non - ellipse points were eliminated, and therefore useless sample and calculation were reduced

    在確定候選橢圓時，最大限度地減少隨機采樣點數?剔除更多的非橢圓點，降低了無效采樣，減少了無效計算。
  7. This paper simulates the effect of voltage fluctuation inspection through the tool of matlab. and proves the filters ' s stability. in the part of self - checkout, pi ( proportional integral ) control arithmetic is put forward to check the gain k and the calculated results show the method ' s effectiveness. then many comparements toward pst are done in different realization methods such as different interpolation points classification number and sample frequency. though simulation and calculation we can see the designed flicermeter can meet our country ' s standands

    文中利用matlab對電壓波動的檢測效果進行了模擬；並對涉及到的濾波器的穩定性做了證明；在自校驗部分提出了將pi （比例、積分）演算法用於數字濾波器增益k值的確定，取得了不錯的效果；然後分別從取不同插值點、不同分級數和不同采樣頻率這幾個方面出發，對計算出的p _ （ st ）值進行了比較。
  8. Based on mastering the application of the finite element method and the engineering soft ansys applied to the electric field, the electric field intensity of different models are calculated, the optimization dimensions and improved measures are described in this paper. also, summarizing the electric field distributing character of every important part of the insulation structure when changed the size or shape. moreover, the calculation result is consistent with the test of a bushing sample

    在掌握有限元法在靜電場中的應用和深入研究工程軟體ansys用於電場模塊的基礎上，採用電場數值計算方法，計算出該套管在不同結構尺寸下的電場分佈及場強最大值點，設計出電場最優化方案，總結對絕緣結構各個部位進行優化時的電場分佈規律。
  9. The second sample is calculation of assemble cost of the cross grinding parts in the fertilizer grinding machine

    第二個實例是造粒機十字磨頭裝配成本的浙江工業大學顱卜學位論義摘要計算。
  10. Using simulation result as a substitute for data of test sampling, obtains the relation between sample size and sum of buildings, and it would be helpful to calculation of sample size

    利用模擬結果代替試驗抽樣數據，得到了樣本容量與建築總量的變化關系，為樣本容量的計算提供了幫助。
  11. With the sample of the beam in high power multi - pass amplification, the three - dimensional mathematic model had been set up and the calculation method which functions well in solving these mathematic model is got, the computer simulation of the optical path is also realized

    通過對多程放大系統的高斯光束進行高密度典型光線取樣，建立雜散光及鬼像分析的三維數學模型，進而得出適合於求解這類數學模型的計算方法，實現計算機光路模擬。
  12. Using calculation result from prophase sample, sampling size needed in next step can been determined and it can be expected that ultimate sample size would be a best approximation for that desired and meet the precision demanded at less cost than traditional methods

    利用前期抽取樣本的計算結果，可以規定進一步需抽取的樣本量，最終樣本量是對真正期望樣本量的一個最佳近似，它比傳統方法更能保證以最少的費用滿足預先設定的精度要求。
  13. The surface panel method has been applied to predict the hydrodynamic performance of highly skewed propeller. the surface of propeller and its trailing vortex are discreted by a number of small hyperboloidal quadrilateral panels with constant source and doublet distribution. for highly skewed propeller, the conventional method generating grid oriented along constant radii will result in a high aspect ratio and a high skewness and a twist panel near the propeller tip on blade surface, which result easily in incorrect calculation results of velovity on blade surface, even in iteration divergence and calculation failure. a “ non - conventional grid ” is developed to acoid these problems. this grid can effectively solve the problem of the calculation and convergence for highly skewed propeller. the non - linear kutta condition of equal pressure on upper and lower at the trailing edge is executed by the iterative procedure. by sample calculating, the obtained results are satisfied the experimental data

    採用面元法預報大側斜螺旋槳水動力性能，螺旋槳表面及尾渦面離散為四邊形雙曲面元，每個面元上布置等強度源匯和偶極子分佈.對于大側斜螺旋槳而言，槳葉表面採用常規的等半徑網格劃分方法在近葉梢處將導致大展弦比、大側斜和扭曲面元，這容易使槳葉表面速度的計算結果不正確，甚至會導致迭代過程發散及計算失敗.文中建立了一種「非常規網格」劃分方法，能有效地解決大側斜螺旋槳的計算和收斂問題.槳葉隨邊處通過迭代實現非線性等壓庫塔條件
  14. Based on these, it is discussed how to realize and simplify it in dsp system. the primary parameters of the hardware system are also estimated such as sample frequency, calculation period and the amount of memory

    並在此基礎上，分析了該演算法在dsp處理器中的實現以及運算量的初步簡化，估算了該波束形成演算法所要求的硬體系統載荷? ?運算量（計算周期） 、采樣率以及數據存儲量。
  15. Non - uniformity of the amplifying effect and dimension of the slope are pointed out through analysis of the distribution of the stress and sonic speed in the slope. forms of slope lost stability resulted from blasting vibration are analyzed and appraising rules of slope stability are summarized by a great deal instances on coasts. based on general discussion about calculation methods of the slope stability under the effect of blasting vibration, the synthetical method, a new one, is put forward, analyzed through a sample by and pointed out which is one of most valid methods

    利用波動理論，得出延期時間為nt / m時減震效果最好；在分析邊坡巖體內部應力、質點速度等分佈規律的基礎上，指出邊坡震動放大效應的不均勻性和邊坡尺寸效應；結合大量滑坡實例，分析了爆破震動引起邊坡失穩破壞的幾種形式，總結出邊坡穩定性評價準則；基於對邊坡穩定性計算方法的綜合分析，提出了一種綜合分析方法，通過算例計算分析，證明該法計算精確度高、功能全面，是邊坡動力穩定性分析的有效方法之一。
  16. We deeply discuss the importance of choosing sample sapce in two sides : one is the calculation of classical model of probability, the other is the independency of events, and the concept of probability should be fully used in the calculation of probability

    摘要從古典概型中事件概率的計算和事件的相互獨立性兩個方面，通過舉例較深入地分析了樣本空間選取的重要性，並指出在概率計算中要充分利用概率概念。
  17. The third part in this article has discussed the method which is based on the expectation frequency and use which we get the design value of 1 % and 0. 1 % for some universes. and we also get the correlation diagram of cs and calculation frequency of different sample sizes. then we analyze the variation rule to get the primary discussion for the theory study and production

    本文第三篇討論了基於期望概率概念推求各種總體相應於1及0 . 1的設計值的方法，並且得到不同樣本容量的cs和計算頻率的相關圖，分析其變化規律，為理論研究及生產應用作一些初步探討。
  18. In recent years, the electron microprobe chemical dating technique has been advance development and achievements, this paper sysmaticly introduces the basic principle, sample prepation, analytical procedure and age calculation

    近十年來電子探針化學測年技術發展迅速，並取得了豐富的研究成果。
  19. As a result, the time delay is reduced by the predictive detection scheme for sample, coordinate transform, or calculation process effectively. and the compensation effect of hupqc is improved. it is a better detection scheme for power pollution to be checked in distribution system

    模擬與實驗結果表明，預測檢測可有效地避免坐標變換或采樣、計算過程引起的時滯，改善hwqc補償的實時性，從而提高調節系統的補償精度，為實現對配電系統中電能「污染」的治理提供了一種較理想的信號檢測方法。
  20. ( 4 ) two methods are applied in the sv calculation for the sample of 220 field galaxies that are strictly selected from the photometric atlas of northern bright galaxies in order to analyze the sv orientation distribution of the field galaxies in our sample

    （ 4 ）從北天亮星系星表嚴格挑選了220個場星系作為樣本，我們運用兩種處理方法處理了場星系旋轉矢量分佈情況。 # #原圖像不清
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