調和平均數 的英文怎麼說

中文拼音 [diàopíngjūnshǔ]
調和平均數 英文
harmonic average
  • 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
  • : 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...
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : 數副詞(屢次) frequently; repeatedly
  • 調和 : 1 (配合適當) be in harmonious proportion 2 (調解) mediate; reconcile 3 (妥協) compromise; m...
  1. For example, to find the harmonic mean of a data set, use the harmean function

    例如:要查找據集的調值,請使用harmean函
  2. This thesis introduces the working principle, craftwork requirement, modeling process, control strategies and the realization of lf refining furnance bottom blowing argon control system. through the study and analysis of bottom blowing argon process control system, the thesis discusses the mean neural network model of controlled object and the mathematical models of the exectors, pwm adjustable pressure controller and pcm adjustable flux controller according to the relevant liquid knowledge and relevant data, including design data, test data and running data. to begin with the craftwork reguirement of bottom blowing argon and the actual instance of the control system, it presents the strategies of fuzzy parameters self - adaptive pid control used in pressure difference inner loop and fuzzy plus pi compound control used in flux outer loop which are based on the above modeling in order to carry out the accurate control of argon flux

    本文介紹了lf精煉爐底吹氬過程式控制制系統的工作原理、工藝要求、建模過程、控制策略以及控制系統的實現。通過對精煉爐底吹氬過程式控制制系統進行研究與分析,並根據流體力學的有關知識以及有關據(其中包括設計據、試驗運行據) ,建立起了被控對象的神經網路模型執行機構(即pwm調壓器pcm調流器)的學模型。在此模型的基礎上,從底吹氬工藝要求控制系統的實際情況出發,提出了壓差內環模糊參自適應pid控制策略流量外環模糊pi復合控制策略,以實現氬氣流量的精確控制。
  3. Base on the data collected from the field investigations, we analyzed the static life table, age structure, spatial distribution patterns of the populations of e. chloranthoides. we further studied the intraspecific competitions within the species and the interspecific competitions between the species and other concomitant species in the communities. with the helps of the logistic equation, leslie ' s matrix and the average moving law method we simulated and estimated the population dynamics of this endangered plant species

    本研究以縉雲衛矛為研究對象,通過對三個種群的野外調查,研究分析了縉雲衛矛的種群年齡結構、種群空間分佈格局及種內種間的競爭關系,並利用logistic方程、 leslie矩陣及移動法模擬預測了三個種群的結構動態,在此基礎上分析了造成縉雲衛矛瀕危的原因,提出了相應的保護措施,旨在為縉雲衛矛的保護提供理論依據。
  4. 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,採用了廣義應力率準則來判斷沖擊點位置沖擊時刻,所得結論與實際情況吻合
  5. Evading risk in financial trading market cries for pricing options to a nicety. asian option, as the most flourish options in the finace market, the pricing has been focused on always. the exact pricing formula for the geometric average asian option had existed, but as to the european - style arithmetic average asian option, due to the dependence structure between the prices of the underlying asset, no analytical formula exists. on the hypothesis that the market is frictionless and without transaction costs 、 on the base of b - s ’ s and in the binomial tree model, we provide several algorithms for computing an accurate value of the european - style arithmetic average asian option. following rogers and shi and by jensen ’ s inequality, many different upper and lower bounds are provided ; meanwhile a formula have got by the comonotonicity and approximating the distribution function. all of the algorithms are easy for programming. with the development of computer, more accurater price can be computed quickly. and numerical example proved that these algorithms are very accurate

    對于幾何亞式期權它的定價相對簡單,已經給出了定價公式。對于算術亞式期權,它的未定權益具有軌道依賴特性,一直沒有得到它的定價方程的解析解形式。本文基於對市場是無摩擦且在沒有交易費用的情況下,在b - s模型下,利用二叉樹模型給出了算術亞式期權定價方法;並總結了利用jensen 』 s不等式給出的各種不同情況下的上下界;同時應用共單調近似分佈函的方法也給出了算術亞式期權價格的近似公式。
  6. 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優化設計方法.根據工程技術的要求,選用速度超調過渡時間作為參優化性能指標.將該指標用模糊隸屬度函歸一化,再加權形成系統優化模型的目標函.採用計算機值計算方法,通過模擬獲得系統對應參的動態響應曲線及其性能指標.最後以工程設計的參為搜索范圍,以速度調節器電流調節器的參為染色體中的基因,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,所設計的參能使系統性能指標有顯著提高
  7. According to recent of the inquisition statistics express, our country the international shipping company into practice ism code of single ship trouble of average rate, average and single ship death the number only into practices ex - quarter with six one of the cents

    據最近的調查統計表明,我國國際航運公司實施《 ism規則》后的單船事故率、單船死亡人僅是實施前的四分之一六分之一。
  8. This incubation adjustment of parents makes the synchrony in hatching and the hatching intervals of nestlings shorter than the laying intervals of eggs. this phenomenon was perhaps resulted from the incubating behavior difference of parents in laying time and incubating time. the research also found that the growth rate and survival rate in the latest hatched nestlings in little egret were lower than the earlier hatched ones

    卵的孵化時間與產卵順序呈負相關性,先產的卵比后產的卵所需孵化時間相對較長,此現象產生是由於親鳥在產卵期產卵后的孵化行為不一致造成的,這種孵化調節使同一窩雛鳥孵出時間具有相對集中的趨勢,雛鳥出殼的時間間隔比產卵的時間間隔短;另一方面,在白鷺雛鳥的生長過程中,最晚出殼的雛鳥生長水成活率明顯落後于早出殼的雛鳥,而池鷺由於窩卵窩雛為5的量相對較少,雛鳥生長衡。
  9. Thirdly, radiator performance test - bed thermal system control modeling and rule self - organizing fuzzy control simulation were studied. the water supply temperature, radiator inlet temperature, test room temperature based on water temperature regulation, air supply average temperature and test room temperature based on air temperature regulation total five controlled processes transfer function were set. finally, rule self - organizing fuzzy control simulation for two

    通過試驗,辨識了散熱器實驗臺熱工系統中供水溫度、散熱器進水溫度、基於熱水系統調節的測試室溫度、送風溫度及基於送風系統調節的測試室溫度共5個被控過程的傳遞函,並對基於熱水系統調基於送風系統調節的測試室溫度響應過程進行了規則自組織模糊控制模擬。
  10. Accordingly, average man - day counts worker total days and working hours is adjusted respectively for 20, 92 days are mixed 167, 4 hours, the worker ' s daily wages and hour wage undertake convert by this

    據此,職工全年月工作天工作時間分別調整為20 、 92天167 、 4小時,職工的日工資小時工資按此進行折算。
  11. Results indicated that rdi may reduce dry matter accumulation to a extent, relevant to seriousness, lasting time of rdi and crop growing stage when rdi treat was carried out. ratio of root / shoot, ttc contain in root increased, while number and total length of root per seedling decreased

    試驗結果表明:調虧灌溉減少根系干物質累積,根冠比、根長根系活力( ttc還原量)提高;單株根系條下降:根系活力在復水后仍保持較高水
  12. A modified genetic algorithm ( mga ) framework was developed and applied to the flowshop sequencing problems with objective of minimizing mean total flowtime. to improve the general genetic algorithm routine, two operations were introduced into the framework. firstly, the worst points were filtered off in each generation and replaced with the best individuals found in previous generations ; secondly, the most promising individual was selectively cultivating if a certain number of recent generations have not been improved yet. under conditions of flowshop machine, the initial population generation and crossover function can also be improved when the mga framework is implemented. computational experiments with random samples show that the mga is superior to general genetic algorithm in performance and comparable to special - purpose heuristic algorithms. the mga framework can also be easily extended to other optimizations even though it will be implemented differently in detail

    提出了一個改進遺傳演算法的結構,並且應用於帶有目標是最小總流程時間的流水調度排序中.為了改進一般遺傳演算法的程序,兩個新的操作被引進到這個操作中.這兩個操作為: 1 )過濾操作:過濾掉在每一代中的最壞的個體,用前一代中的最好的個體替代它; 2 )培育操作:當在一定代內演算法不改進時,選擇一個培育操作用於培育最有希望的個體.通過大量的隨機產生的問題的例子的計算機實驗顯示出,提出的演算法的性能明顯好於一般遺傳演算法,並且此問題的最好的專門意義的啟發式演算法相匹配.新的mga框架很容易擴展到其它最優化當中,只是實施的詳細的步驟有所不同
  13. 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、七月九月教室室內外熱環境參,通過採用問卷主要掌握了受測對象教室里的冷熱感、氣流感潮濕感,通過編製程序求得預測熱感覺評價pmv的值,比較pmv問卷調查得到的熱感覺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 。
  14. Then in this paper i develop a principle and subordinate dimmer depending on the lighting products made in national. also, it provides the new design scheme combining the eib ' s dimming driver with the national principle and subordinate dimmer, which can reduce the average costs but guarantee the opening, compatibility and standard criterion of eib. the scheme solves the problem - expensive price and spread the eib ' s small system and independent system ' s integrate pattern when we extend the eib

    研究分析了eib的電氣安裝配線技術;借鑒松下照明產品,研製開發了主從式調光器;創新的提出了eib調光驅動器+松下主從調光器的設計方案,在保證eib協議的開放性、兼容性標準規范的同時,降低了節點成本,合理的解決了eib推廣過程中遇到的最大難題? ?價格過于昂貴,拓展了eib在小系統獨立子系統中的集成模式。
  15. That should be pointed is that due to different accounting standards provided for the listing companies every - year such as " debt restructuring " and " non - monetary transaction ", our test was implemented on different taking - off - regulation period. our results under the deangelo model and the industry model two showed that there existed earnings management hi these 31 listing companies. to our surprise, the means of management were not by the current accruals as expected

    通過對這31家樣本公司每單位資產的主觀應計利潤、流動性應計利潤、掙利潤、經營活動現金凈流量主營業務收入中位的統計檢驗,我們發現,在deaneelo模型調整的行業模型(二)下,本文提出的假設一假設二得到了證實,而假設三沒能通過檢驗。
  16. 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,使用日據來調整參,而用即時的據來計算預測值,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熱量的積累,考慮各個時段入爐物料對化學衡的影響,根據專家系統神經元網路的方法,得到更為完善的模型。
  17. This experiment include many contents, in a word, that is summer condition experiment, winter condition experiment > summer - winter transition condition experiment and winter - summer transition condition experiment, furthermore summer condition experiment still include flux changing experiment and winter condition experiment still include thermal balance experiment this article dealt with the data of the test, calculating out energy absorbing ( energy discharging ) of buried pipe in winter condition ( summer condition ), input power of heat pump x heat exchanging of piece buried pipe length x co - efficiency performance ? op ( energy efficiency rate ? er ) and average heat exchanging coefficient ; in additiont this article compares the inlet water temperature and outlet water temperature of underground the first layer and the second layer buried pipe when heat pump was running, the results are that the heat exchanging ability of the second layer buried pipe outgos the first layer buried pipe, and heat exchanging is more stable ; and still analyse earth temperature resuming in the transition season. the results are earth temperature resume fast in the first week when the heat pump runs off

    本文測試內容相當多,概括地說就是四個工況的測試,即夏季製冷工況的測試、冬季供熱工況的測試、夏?冬過渡季測試冬?夏過渡季測試;另外在夏季工況的測試中還進行了變流量測試,在冬季工況的測試中還進行了熱衡測試。本文對測試據進行了處理,計算出了冬(夏)季工況埋管吸(放)熱量、熱泵空調器供熱量(製冷量) 、熱泵空調器輸入功率、埋管單位管長換熱量、供熱性能系(製冷能效比)傳熱系等;另外,還比較了熱泵運行時地下一二層埋管進出水溫度變化情形,得出地下二層埋管換熱能力優于地下一層埋管,且換熱很穩定;並分析了過渡季地下一二層埋管溫度恢復情形,得出熱泵系統停機一周內地溫恢復特別快。
  18. 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、張掖酒泉三大綠洲的自然、經濟情況,尤其是農業生產情況用水情況進行了深入的調研究,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,利用sas 、 spss等統計分析軟體對據進行處理分析,分別採用實物量指標價值量指標,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、邊際效益效益。
  19. Arithmetic and harmonic crosses

    算術與調和平均數之交叉
  20. Abstract : in this paper, the harmonious average is applied to the calculation of statistics norm in the economy of real estate. and the ways of calculation of average sale, average price and price exponent are given

    文摘:文章將調和平均數應用於房地產經濟統計指標的計算,分別給出了商品房銷售中所關心的單位銷售價格價格指的計算方法。
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