調和平均值 的英文怎麼說

中文拼音 [diàohépíngjūnzhí]
調和平均值 英文
harmmean
  • 調 : Ⅰ動詞1 （配合得均勻合適） harmonize; suit well; fit in perfectly 2 （使配合得均勻合適） mix; adju...
  • 和 : 和動詞（在粉狀物中加液體攪拌或揉弄使有黏性） mix （powder） with water, etc. : 和點兒灰泥 prepare some plaster
  • 平 : Ⅰ形容詞1 （沒有高低凹凸 不頃斜） flat; level; even; smooth 2 （高度相同; 不相上下） on the same l...
  • 均 : Ⅰ形容詞（均勻） equal; even Ⅱ副詞（都; 全） without exception; all
  • 調和 : 1 （配合適當） be in harmonious proportion 2 （調解） mediate; reconcile 3 （妥協） compromise; m...
  1. The mean effective population size could be estimated as a harmonic means of the ne.

    估計出平均有效種群大小，作為所有世代Ne的調和平均值。
  2. Geometric - harmonic mean and characterizations of some mean - values

    調和平均和一些平均值的特徵
  3. For example, to find the harmonic mean of a data set, use the harmean function

    例如：要查找數據集的調和平均值，請使用harmean函數。
  4. The mean effective population size could be estimated as a harmonic means of the ne

    估計出平均有效種群大小，作為所有世代ne的調和平均值。
  5. Some basic relations between arithmetic - geometric mean and geometric - harmonic mean and related inequalities were given. moreover, these two means were compared with some classes of well known compound means

    摘要給出算術幾何平均值與幾何調和平均值之間的一些基本關系式和有關的不等式，並且把它們與常見的幾類復合平均值做了比較。
  6. This thesis focuses on middleware - based load balancing supported by corba, and has made the following contributions : ( 1 ) based on the previous research, we give a method using resource utilization and harmonic mean performance to quantify the load of each node in the heterogeneous environment, which makes the loads comparable

    本文的主要研究內容就是基於corba中間件的負載均衡，具體的研究工作有以下幾點：探討了系統負載的衡量問題，借鑒前人的研究成果，採用以資源利用率和節點的調和性能平均值來綜合衡量系統負載的方法，量化了異構系統中各節點的性能，使得負載具有可比性。
  7. Abstract : incompatible element nh11 and hybrid stress element 18 were employed to analyze rock burst occurring in coal face 9108 of sanhejian coal mine. compared with the results from ansys, the two optimized fems can execute more accurate numerical simulation in the research of rock burst as well as other rock problems and lessen the errors from inaedquately meshing in huge calculations due to the limitation of labor and computer time. in addition, the criterion of averaged generalized stress rate was proposed and used to determine the site and moment of rock burst. the given conclusion is in accordance with the face of coal face 9108 very well

    文摘:利用優化非協調元和雜交元分析了三河尖礦沖擊礦壓，並與ansys程序的計算結果進行了比較.認為優化有限元在沖擊礦壓乃至巖石材料的數值模擬中能給出更為精確的結果，也可減小大型計算中由於人力、機時所限粗分網格產生的誤差.分析中，採用了廣義平均應力率準則來判斷沖擊點位置和沖擊時刻，所得結論與實際情況吻合
  8. A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system. the method covers three steps. firstly, speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering. these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system. secondly, the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation. finally, parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome. these genes in searching space are optimized to get best solution by way of genetic algorithm. as shown by experimental results, the parameters designed by this method are capable of significantly improving performance indice of the system, which proves that it is a practical and effective method

    提出一種基於遺傳演算法的直流雙閉環調速系統參數優化設計方法.根據工程技術的要求，選用速度超調量和過渡時間作為參數優化性能指標.將該指標用模糊隸屬度函數歸一化，再加權平均形成系統優化模型的目標函數.採用計算機數值計算方法，通過模擬獲得系統對應參數的動態響應曲線及其性能指標.最後以工程設計的參數為搜索范圍，以速度調節器和電流調節器的參數為染色體中的基因，通過遺傳演算法在搜索范圍中優化這些基因，獲得優化解.實驗結果表明，所設計的參數能使系統性能指標有顯著提高
  9. Some researches about frequency doubling are made, and two methods to improve intensity of second frequency generation are given. we realized q - switched 532 nm laser, by using nd : gdvo4 as laser crystal, using cr4 + : yag as saturable absorber, using ktp as intra - cavity frequency doubling crystal. average power of 109mw, repetition of 40khz, pulse width of 30ns, pulse energy of 2. 6uj, peak power of 91w are obtained

    4 .對倍頻理論進行研究和分析:討論兩種提高二次諧波功率密度的方一法;實驗匕在國內首次實現ld端面泵浦nd : gdvo4 / ktp ，用cr4 + : yag作為可飽和吸收片的綠光激光器，腔內倍頻得到了平均功率為109mw 、重復頻率為40khz 、脈寬為3ons 、單脈沖能量為2 . 6閃、峰值功率為glw的調q綠光輸出。
  10. Through having done field surveys in the campus of chongqing university, this paper tested classroom indoor and outdoor climate parameters in june, july and september of 2005, it used questionnaire to acquire subjects ’ thermal sense, draft sense and humidity sense in classroom each month, and programmed composition to compute predicted mean vote and compared pmv with the field testing results of mean thermal sensation vote. it is discovered that pmv is overvalued the college student ’ thermal sensation in chongqing. it finds that people in chongqing adapt to the typical summer hot and winter cold sweltering weather

    對重慶地區高校教室的現場調查，測試了重慶大學2005年六月、七月和九月教室室內外熱環境參數，通過採用問卷主要掌握了受測對象教室里的冷熱感、氣流感和潮濕感，通過編製程序求得預測平均熱感覺評價pmv的值，比較pmv和問卷調查得到的平均熱感覺mtsv ，發現pmv預測值高估了重慶地區高校學生的熱感覺，這里的人群對重慶這種夏熱冬冷地區比較典型的悶熱氣候具有一定的熱適應性，對現場問卷調查的結果進行分析，得出了室內空氣溫度、氣流速度、相對濕度與人體主觀感覺之間的回歸曲線，發現重慶地區高校學生熱中性時的空氣溫度為25 . 5 ， fanger根據歐美人群調查得到的公式計算出的預測熱感覺為中性時的空氣溫度為25 . 0 ，兩者相差0 . 5 。
  11. In this paper, we aim at establish heat and mass coupled transfer model in the building wall, the emphasis of this study lies in creating a coupled and non - linear diferential equation system for the heat air and moisture transfer in the wall, which can be described by means of continuum mechanics and irreversible thermodynamics, the most dominant factor is moisture conten 9la gas pressure pc and temperature t, for the description of heatair and moisture transport, the general mass balance equation can be expressed by the temporal change of moisture conten 9 l, gas pressure pc and temperature t that means, in order to create a closed solvable equation system, the other additional dependencies have to be found, which the other variable depending on the variables of the solution : moisture conten 6 l gas pressure pc and temperature to the model is verified by the numerical simulation software which has been developed about building wall.,

    根據節能設計要求，本文用熱力學的方法，並根據多孔介質中多相流體流動描述方面的最新研究成果? ?體積平均方程，建立了墻體熱、濕和空氣耦合熱質傳遞模型，並推導出熱、濕和空氣耦合傳遞等效擴散方程；找到建築墻體熱、濕及空氣耦合作用下熱質傳遞過程的主要影響因素濕容量_ l 、氣壓p _ c和溫度t 。開發了單體材料墻體熱質傳遞數值模擬軟體，用實測數據對軟體進行調試並對模擬計算結果進行了驗證。模擬出了單材料墻體在熱、濕和空氣耦合作用下建築墻體內的溫度和濕度分佈規律。
  12. Only the main transmitted light from the glued layer or the first - order transmitted light also, is considered at most in the existing study outcome about light intensity transmission. on occasion, some experimental results about light transmission are given as a performance index. and nearly no one considers the contribution of the higher - order transmitted lights and the effects of the inaccuracy in glue technology on light distribution

    人們對它的研究，往往只考慮棱鏡膠合層的兩切割斜面上的主透射光束，至多同時考慮次級透射光束對出射光強的影響，或直接將光束光強透射比的實驗值的平均結果作為棱鏡的一個性能指標給出，很少考慮棱鏡膠合層間光束的多次反射對輸出光強的影響以及結構誤差和使用調整誤差對棱鏡光強分佈的影響。
  13. The head on situation and overtake situation can be regarded as a special case of cross situation ; 5 through the comprehensive analysis of all kinds of schemes, to determine a best scheme of radars collision avoidance, which may be applied to the following three circumstances : cross situation, head on situation as well as overtake situation, thus to take any measures to alter course, slow down or slow down with alteration ; 6 through the analysis of a special situation, to study the method how to calculate the range of dangerous angle of collision avoidance ; 7 through the statistics of action of collision avoidance, to find out the rules of taking actions to revise the " best scheme " ; 8 the principle and method of optimization are presented

    6 、對一種特殊的會遇情況：位於轉向不變線或其平行線上的來船的dcpa和tcpa的變化作分析，探討出「轉向忌諱角」的求取方法，在避碰方案中應避免使用「轉向忌諱角。 」在多船避讓時，如採取一次轉向行動讓清所有船舶，則該理論的應用將使避碰方案更加完美。 7 、對駕駛員的避碰行為作調查統計（交叉相遇） ，得出駕駛員在交叉相遇局面中的行動幅度和行動時機（距離）的統計數據，得到行動幅度和行動時機的平均值，對「最佳方案」進行修正。
  14. And it would be applied to other blast furnaces after some modifications. to improve the quality of the model, some methods should be used in future : l. impoving the database and making it have more information. 2. considering the mass and thermal accumulation and calculating the effect of the data of every period

    2 、模型在作動態計算時，使用日平均數據來調整參數，而用即時的數據來計算預測值，這種方法盡管有一定的科學性，但要提高模型的準確性，必須考慮到高爐內物料和熱量的積累，考慮各個時段入爐物料對化學平衡和熱平衡的影響，根據專家系統和神經元網路的方法，得到更為完善的模型。
  15. Some valuable conclusions are summarized by theoretical analysis and simulation experiments : from the side of signal processing, pulse jamming can be deleted by the method of time - domain sliding window accumulation and can be restored by interpolative prediction. ; gauss white nose can be attenuated while jamming disperse point - target by the method of time - frequency analysis in time - frequency domain. ; radio frequency noise jamming can be deleted by the method of average range frequency spectrum and notching in frequency domain

    通過大量的理論分析和模擬實驗，得到了一批具有一定價值的結論：從信號處理的角度出發，對于脈沖式干擾，能夠運用時域滑動窗口積累的方法去掉，並且通過預測插值得到較好的恢復；對于高斯白噪聲干擾，在時頻變換域內應用時頻分析方法可減小其對分散點目標的干擾；對于射頻噪聲，通過平均距離頻頻法和頻域陷波的方法可以去掉；從改變合成孔徑雷達系統角度出發，類似雙基地雷達能夠避免各種干擾，對發射信號進行調幅，調相以及改變調頻斜率都是較好的抗干擾方法。
  16. The results show that under the condition of the squeezing - power - number being an any even number or the pruduct of the squeezing - power - number and the total cavity - mode - number being an any even number, if some certain and fixed conditions are satisfied respectively by the initial phase of each mode in the state or the sum of the initial phase of each mode in the same state mentioned above, by the initial phase difference between any two components in the state, and by the sum of mean photon - numbers, which are modulated by the initial phase of each mode in the state mentioned, of all the single mode coherent states light field, the state can always display the effect of generalized nonlinear equal - power n - th power y - squeezing, or present the effect of generalized nonlinear equal - power n - th power h - squeezing, that changes alternatively and periodically

    結果發現：在壓縮次數取偶數或者壓縮次數與腔模總數這兩者之積取偶數的條件下，若各模的初始相位或者各模的初始相位和、態間的初始相位差以及受各模的初始相位調制的各單模相干態光場的平均光子數之總和等分別滿足一定的取值條件，則態| ~ （ （ 4 ） ） _ q的第一和第二這兩個正交相位分量總可分別呈現出周期性變化的、西北人學碩{ _學位論文摘要廣義非線性等冪次n次方y壓縮或者等冪次n次方h壓縮效應。
  17. Based on the reality of zhangye oasis water resources utilization, and supported by the environmental economics theory, this paper is to research and analyze the agriculture water utilization in the oasis, including sunan, minle, shandan, zhangye, linze, gaotai sincel970s. to analyze the economic benefit of the unit provision output effected by the labor - flooding water volumes based on both the real collected data and the statistical data provided by the stat. dept in the past years ; the checking standard for output benefit is the unit provision out put the input parameters are water, fertilizer, power - supply and the cone - erned factors occurred during the agriculture production

    經過大量的實地考察，對甘肅的武威、張掖和酒泉三大綠洲的自然、經濟情況，尤其是農業生產情況和用水情況進行了深入的調查和研究，在獲取實際資料的基礎上，結合統計部門提供的歷年統計數據，以糧食單產為產出效益衡量標準，以農業生產涉及的灌溉水量、天然降水量、化肥農藥施用量、農業生產用電量、農業機械總動力以及自然災害情況等各相關因子為投入參數，利用sas 、 spss等統計分析軟體對數據進行處理和分析，分別採用實物量指標和價值量指標，分析人工灌溉水量這一投入要素，對糧食單產這一產出的總效益、邊際效益和平均效益。
  18. In the solution, the 0 - 1 integer and real number mixed encoding technique was employed to describe an artificial fish ; behaviors of a fish were dispatched by its body energy status ; the following behavior was described by the greedy method where moving step is direct ratio to a fish ' s hungry degree ; the lowest survival body energy controlling technique was used to realize escaping policy from locally optimum positions ; the maximum iterating times and the changing degree of the optimum solutions during iterating were used to control the terminating time

    在解算過程中，人工魚個體採用0 - 1整數和實數混合編碼方法描述；用人工魚體能累計和消耗程度來調度其行為；採用與饑餓程度成正比的移動步距的貪婪法描述個體追尾行為；採用最低生存體能控制來實現局部最優解逃逸策略；採用最大迭代次數和迭代過程中最優解平均值變化程度來控制迭代終止時機。
  19. Water quantity prediction is the base and premise of water price calculating. this paper uses moving tendency forecasting modeling, gm forecasting modeling and bp neural forecasting modeling to forecast the water requirement of the future, evaluates the forecasting results, and confirms the forecasting results ; the industry water price elasticity index and the resident water price elasticity are calculated with the multi - linear regression method ; the water resources value is evaluated with the marginal opportunity cost method considering the transferring water, other parameters are evaluated and estimated by using some methods of connecting with objective laws and estimation

    用水量預測是水價制定的前提和基礎，本文在進行水量預測時，採用移動平均法、灰色預測法和bp神經網路進行預測，並對預測結果進行了綜合評價，確定出合理的預測結果；採用多元線性回歸方法確定工業用水價格彈性和居民生活用水價格彈性指數；採用跨流域調水情況下的邊際機會成本方法確定當地的水資源價值；採用主觀判斷和客觀規律相結合的方法對其它一些參數進行了確定。
  20. This paper contrasts performance of current controlled two - state modulation inverter with one based on voltage mean value and instantaneous value feedback by simulation

    在此基礎上，對電流控制兩態調制逆變器和電壓平均值電壓瞬時值反饋的spwm逆變器的性能進行了模擬對比。
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