based on sample 中文意思是什麼

based on sample 解釋
憑樣檢驗
  • based : 基準
  • on : adv 1 〈接觸、覆蓋〉上去;開(opp off)。 turn on the light [radio water gas] 開電燈[收音機、自來...
  • 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】 ...
  1. The design and application of water environment sample retrieval system based on aaf framework

    論可視化信息檢索系統研究
  2. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此,對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當前裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵,提出了改進的基於盒維數的測井曲線網格覆蓋法,編程計算了裂縫性儲層段常規測井曲線(如聲波和電阻率曲線)上分形分維值及其m指數值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪,採用儲層分維值分類技術統計分析這些參數變化的規律,並結合qx油田l區塊儲層類型經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  3. Static mathematic model of drum accommodation and control is presented, and instruction model control strategy of sample intervals is presented based on differences between characteristic equations of lifting frame and characteristic equations of top and bottom board change among the sampling spots, the rules of this method are few, simple, easy to operate and meet controlling demands

    給出了滾筒調控靜態數學模型,並根據調高機構的調控特徵方程與采樣點間頂底板變化特徵方程的差異,給出了在其采樣區間內的指令式控制策略,其方法的規則條日少、簡單易運算、符合實際控制要求。
  4. This result was the biochronological base for estimating sample ages in the study on genus gephyrocapsa. 2. morphological variation of gephyrocapsa was investigated based on biometrically analyzing 6 morphological features of a coccolith placolith, e. g

    ( 2 )結合時間序列來對橋石種類的在演化的過程中形態變化進行分析,發現在整體演變的進程中,幾種形態因子中一直處在最劇烈變化中的是盾盤的長度。
  5. Based on the analyses on mechanical properties, microstructure and fracture of - the microalloyed steels socrv with various heat treatment technique, it can be affirmed that various fractures arttribute to various mechanism, we can draw conclusion that the strength and toughness of microalloyed steels 50crv will be increase simultaneously by optimal heat treatment technique. to illustrate the mechanism of the strength and toughness of microalloyed steels socrv, we designed the comparative experiment and observed the microstructure of the sample which occurred at different quench and tempering temperature and different tempering time. the last experiment results were determined by the four factors : fined microalloyed elements grains, the decompound of martensite, martensite transformation of remnant austenite and the second phase precipitation

    為解釋微合金化50crv鋼強韌化機理,本文通過對不同淬火溫度,回火溫度,回火時間下的力學性能指標的對比及顯微分析,認為微合金元素的細化晶粒,馬氏體的回火分解,殘余奧氏體的轉變,第二相的沉澱析出共同決定了微合金鋼的強韌化情況,特別是由於微合金元素的存在,其細化晶粒及其碳氮化物的沉澱析出,導致鋼的良好的強韌性,並且如果工藝滿足第二相的沉澱析出強化大於回火馬氏體分解引起的軟化效應,會在硬度曲線中產生明顯的二次硬化現象。
  6. Based on funds holding stocks sample and whole stocks sample, it uses cck adjusted model to test the existence of herd behavior of funds and that of the whole stock market. then, it inserts dummy variable dt in cck adjusted model to testify whether herd behavior of funds and that of the whole stock market are the same in scale to prove whether herd behavior of funds makes stock prices fluctuate in the whole stock market

    本文主要採用實證研究的方法,首先運用cck校正模型,按基金持股樣本和股市整體樣本,分別檢驗基金羊群行為及股市整體羊群行為是否存在;其次,在cck校正模型的基礎上引入虛擬變量d _ t ,建立虛擬變量模型,以檢驗基金與股市整體羊群行為的顯著程度是否相同,從而證明基金羊群行為能否引起股市整體價格的波動。
  7. The design of ecg sample device based on windows

    95系統心電信號數據採集卡設計
  8. Firstly the patterns of the multifingered hands are detailed, eight patterns are defined. the classical bayes method is used in the classification of pre - grasp of multiple fingers based on three patterns which are grasping, holding and pinching. based on the eight pre - grasp patterns, bp neural network is applied in the classification of the pre - grasp of multifingered hands and gets a good effect. the method solves the shortcoming input sample relying on the propobility density and simplified the un - insititution characters extraction. in this paper, support vector machine ( svm ) and binary - tree with clustering is applied in the classification. this method can solve the slow speed and effect with fewness sample in the classification, achieving a good effect. in this papper, we extract the characters of the regulation object with geometry characters and extact the unregulation object with the image analysis

    此法解決了輸入樣本依賴物體的概率密度的特點,簡化了分類特徵提取的不直觀性。本文還採用了支持向量機( svm )和聚類二叉樹相結合的方法對機器人手預抓取八類模式進行分類,解決了預抓取模式分類訓練速度過慢以及在分類中樣本數量偏少而影響分類效果的問題,得到了較高的正確率。本文對預抓取幾何形狀規則的物體採用直接提取其幾何特徵,對于預抓取幾何形狀不規則的物體採用圖像分析的方法進行特徵提取。
  9. According to the different sample set, we have been on discussion, using lagrangian multiplier technique or lmt in the optimal theory, slt and function analysis , then we get the decision function and svm with the corresponding different sample set. thirdly, for improving generalization ability, application ability and recognition speed of svm, we have used fuzzy set theory ( fst ) and rough set theory to study svm deep, and integrated them into svm, constructed fssvm ( fuzzy set svm ) and svm based on rough set theory, and extended performances of svm in the chapter 4, 5

    再次,為了進一步提高支持向量機的通用性以及推廣能力、應用能力、識別速度等性能,在第四、第五兩章運用模糊集理論( fst )和粗糙集理論( rst )對支持向量機進行研究,採用優勢互補原則,先是把模糊集與支持向量機有機結合,構造出基於模糊集的支持向量機( fssvm ) ,然後把粗糙集理論與支持向量機相互結合,進而把rst與fssvm相互結合,構造出基於rst的支持向量機。
  10. The detailed works are as follows : the finding patterns problems in the time - series data sequence are described, and a new trend logic expression method is introduced, and its algorithm and experiment result of algorithm are given ; time - scries data are disposed, and using the arctg. slope of line as the sample of pattern recognition, so ignoring the aberrance of pattern in the classified. in addition, a new time - series pattern finding algorithm based on higher - order neural network is put forward

    同時給出了本文的具體的工作,主要是:對在時序數據序列中發現模式問題進行了描述,並介紹了一種新的趨勢邏輯表示方法,給出了其演算法及演算法的實驗結果;對時序數據進行處理,提出了利用線段的斜率反正切值作為模式識別的樣本,從而在分類時忽略模式的畸變;另外,還提出了一個新的基於高階神經網路的時序模式發現演算法。
  11. 1. 4 based on the attribute db, the soil classification graphic db is set up by using arc / info cis. the soil order, suborder sketchs and basic classification unit ( series ) sample maps, make the distribution of soil in hubei province clear at a glance

    4在屬性數據庫的基礎上,利用arc infogis建立了湖北省土壤分類圖形數據庫(空間數據庫) ,運用計算機編制和輸出了全省土壤系統分類土綱、亞綱概圖和基層分類單元(土系)樣塊圖,使全省土壤分佈狀況一目了然。
  12. Based on sample of the index from april 3, 1991 to may 31, 2001, arima models have been built with tsp computer software guided by route of " from general to specific ". the models built have better fit goodness and one point forward prediction is highly precise. but ultra - sample prediction by c + + program shows prediction precision reduces fast as the length of prediction grows, long term prediction of the index is impossible

    建模表明利用tsp統計軟體結合從「一般到特殊」的建模方法,所建的模型對已有數據的擬合較好,向前一步單點預測準確性較高,但利用c語言程序進行進一步分析表明時間序列分析模型對深圳成分指數的長期預測效果明顯降低。
  13. Simulation comparisons verify the superior performance of the tri - state pwm technology. experimental results indicate that the current - controlled tri - state pwm switching power amplifier based on sample - hold strategy has high frequency bandwidth and fast dynamic response in a wide load range, which can well meet the demands of high - speed magnetic bearing

    模擬結果驗證了電流三態調制技術的優越性能;實驗表明本文研製的基於采樣-保持策略電流三態調制開關功放具有結構簡單、效率高、紋波小、電流動態響應快、頻帶寬、受負載影響小等優點,能很好地滿足高速磁軸承的要求。
  14. Based on sample data which may be correlated and have certain ergodic property, a finite element estimator with multi - stage adaptive filters is designed to estimate the associated ( stationary ) density function

    摘要基於可能相關並具有某種遍厲性的樣本數據,該文設計了一個具有多級自適應濾波器的有限元估計器去估計相應的(平穩)密度函數。
  15. The standard deviation of a sampling distribution. it is the statistic used to make statements about the accuracy of estimates based on sample information

    抽樣分佈的標準偏差.統計學上用來說明從樣本預測的數據的準確性
  16. Svm algorithm based on sample density and its application in network intrusion detection

    基於樣本密度的svm及其在入侵檢測中的應用
  17. Based on sample

    憑樣檢驗
  18. The size of an audience estimated to exist in the population, based on sample information

    根據樣本的信息,推斷在總體人口中所存在的某種受眾總量
  19. Wrapper is an important part of virtual database system. this paper proposes and researches a wrapper generation method based on sample example

    在參考相關包裝器生成技術的基礎上,論文探討和研究了一種基於樣本實例的包裝器生成方法。
  20. Stood on actual conditions of the township enterprise in our country, based on sample survey theory and combined the modern information technology, this study discussed how to set up and use the information system of the sample survey in township enterprise

    本文從我國鄉鎮企業的實際情況出發,以抽樣調查理論為依據,結合現代信息技術,對建立和使用鄉鎮企業抽樣調查信息系統進行了研究。研究鄉鎮企業抽樣調查信息系統,首先必須明確什麼是抽樣調查信息系統。
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