threshold how 中文意思是什麼

threshold how 解釋
臨界嘯聲
  • threshold : n. 1. 門檻;入口,門口。2. 【心理學】閾限。3. 界限,限度。4. 【物理學】臨界值,閾。5. 入門,開始,開端。
  • how : adv 1 怎樣,怎麼(=in what manner); 用什麼手段、方法(=by what means) 〈疑問副詞和連接副詞兩...
  1. Fast algorithms of both discrete and orthonormal wavelet and wavelet packet coefficient are diagrammatized to be introduced. daubechies wavelet is applied to help to discuss the application and test on signal filtering and noise reduction with the principle and threshold implementation ; the basic principle to pickup the fault characteristics is introduced mainly about the relations between the maximum module and signal saltation point and how to characterize the saltation point with lipschitz exponent

    展示了離散正交小波變換的mallat快速演算法和小波包系數分解的快速演算法;重點應用daubeches小波探討了小波變換在信號濾波去噪中的應用和實驗,闡述了其基本原理和通過閾值化處理實現濾波的具體方法;探討了用小波變換進行故障特徵提取的原理,說明了小波變換模極大值和信號突變點之間的關系以及怎樣用李氏指數來表徵突變點的性質。
  2. This paper introduces a project based on code division multiplexed that is used to realize four el channels ' s wireless transportation. after briefly introducing the whole structure of the device of transportation, this paper introduces mainly implemention of the hardware. futhermore, the discussion concerning the selection of principles in code acquisition and the threshold setting of code acquisition on continous pilot in the receiving unit is given. at the same time, the methods about how to design the parameters of dll is introduced in this paper. in addtion, how to solve the actual problems in debugging the hardware is also provided

    本文提出了一種基於碼分復用技術的四路e1數據擴頻無線傳輸設備的實現方案。在介紹整個擴頻數傳設備實現框圖的基礎上,重點介紹了硬體平臺的實現;接收單元捕獲策略的研究及其捕獲門限的確定方法;以及接收單元dll環路參數設計方法;並給出了調試過程中遇到的實際問題及其解決措施。基於調試所遇到的問題,論文的最後提出了這套數傳設備的改進方案。
  3. So how to select threshold effectively to avoid lose useful signal is problem worth to research. some research is processed here on the problems above as follow : ( 1 ). in exordium the research purpose and means is introduced

    因此,在去噪的過程中如何更有效地進行閾值選取,使得噪聲被去除的同時盡可能的避免有用信號的丟失,也是一個值得研究的問題。
  4. ( 2 ) traditional marked - basket analysis has been improved, since it only cares for that the customer have bought something or not, ignores the quantity of those bought, there are some more limitations in practical application. in the paper, i am concerned about both cases, then introduce the idea of interest - weighted to marked - basket analysis, put forward the algorithm how to acquire the interest - weighted threshold, therefore, the association rules mining by interest - weighted on quantitative extended concept lattice is more practical

    改進了傳統的購物籃分析,由於傳統的購物籃分析只關心顧客是否購買商品,忽略其購買的數量,因而在實際應用中,有很大的局限性,在本文中,不僅要關心顧客是否購買商品,而且考慮顧客購買的數量,在傳統的購物籃分析中,引入興趣度加權思想,並提出了如何獲取興趣度加權閾值的方法,因此在改進了傳統的購物籃分析基礎上,基於量化概念格所挖掘出的關聯規則有更貼近於實際和應用價值。
  5. The analyses given in this paper to quasi - three - level for 946 nm laser are complete. the relation between 946 nm laser transmission and optimal crystal length has been derived from the rate equations describing the population inversion and the photon density in the laser cavity in the steady - state case. the minimal claims to coating have been given on the base of contrasting 946 nm transmission with 1064 nm transmission in the condition of different cavity losses and how the pump beam radius in the laser crystal and optimal crystal length affect the laser threshold and output power of 946 nm laser has been given as well

    對產生946nm譜線的準三能級結構給出了較為完整的分析,利用激光諧振腔處于穩態時的速率方程,導出了準三能級nd : yag946nm起振時,透射損耗與最佳激光晶體長度的關系,在與1064nm透射損耗相比較的基礎上,給出了不同的腔損耗情況下的最低鍍膜要求,並且給出了激光閾值、輸出功率和最佳激光晶體長度及泵光光斑大小的關系,這為設計室溫下高效運轉的946nm激光器的提供了理論基礎,這種分析方法對研究此類低增益,準三能級或三能級激光系統輸出特性有借鑒意義。
  6. 3. how to decide the threshold value of hazard zonation is the keys, which can be, divide the precision of landslide hazard zonation research

    ( 3 )危險度等級的閾值確定是確定滑坡危險度區劃工作精度的關鍵。
  7. Among the procurement strategies, many quantitative problems arise, of which are how to assort material, how to evaluate suppliers and how to distribute purchasing amount among suppliers. in this dissertation the model of material assorting based on ahp, the model of suppliers evaluation based fuzzy multi - objectives, the model of the amount distribution with two different kinds of price discount is respectively discussed. especially a new concept of virtual material to define threshold is introduced

    采購策路過程中有大量的定量問題為建立采鉤數學模型提供了可能?在第四章本文作者圍繞物料分類、供應商評價和采購童縫曝也就是一采鮑什麼、向誰采購、采購多少的間題,分別建立了基於逐珍更的物料分類模型、基於模糊的多目標供應商評價模鰲和基於價格一折扣的采購量分配模型。
  8. According to these features, this thesis not only presents how to tone up, segment, match after a target being locked and extract image by using sobel brim extraction method but also raise a new threshold selection method - - fuzzy threshold method when extracting brim. in a tv target tracing system, image matching recognition also play an important part

    針對這些問題,本文在具體闡述了目標捕獲后,如何對圖像進行增強、分割、匹配識別等圖像處理方法的同時,使用了sobel邊緣提取方法進行提取,給出了一種新的在邊緣提取時閾值選擇的方法? ?模糊閾值法。
  9. Discussions about how segment and bin sizes effect on the cloud masking show that it is appropriate to chose 32x32 as segment size, using automatic and dynamical threshold algorithm, cloud - contaminated pixels are masked on gms5 images, fy2b raw images and images wiped off stray light

    根據所求出的閾值,對每個像元陣內的逐個像元進行雲判識。若某個像元在紅外和可見光兩個通道中的任何一個被判識成雲,則該像元為雲像元。
  10. Now, technical standard rises continuously in the world, such as the substitute of the cold enzyme of air - condition and useless old home appliance, countries raise the threshold for the export sale of our country with the form of law or stipulation. if domestic air - condition trade has no profit, what do you take to promote the technical level, and how to go to break the technical rampart of export sale

    現在各國技術標準指標不斷提高,如空調的冷酶代替、廢舊家電的回收,各國都以法律或規定的形式提高對我國出口產品的門檻,如果國內空調業沒有利潤,拿什麼去提升技術水平,又怎麼去打破出口產品的技術壁壘
  11. We worked for days carrying things upstairs, until, late one afternoon, the water edged over the threshold and rushed into the house. i watched, amazed at how rapidly it rose

    連著幾天,我們忙於把東西搬到樓上,有一天一直忙到下午五六點鐘,河水徐徐地漫過門檻,沖進屋裡。我監視著,發現河水上漲的速度快得令人驚訝。
  12. All over the world a lot of interrelated research indicate, some problems are confronted and left unsolved in practical circumstances, and theory analysis, so thorough and systematic research on it is necessary, these problems include model split, how to decide threshold of tia and study area, the los for road and intersection, trip generation and distribution, trip assignment etc. because the precondition and situation for tia in abroad are very different from inland, if the overseas tia methods will be applied inland, there must have a series of problems

    國內外大量相關研究表明, tia在理論和實際應用中都碰到一些有待解決的問題,這些問題包括出行的方式劃分、 tia閾值及影響范圍的界定、道路及交叉口的服務水平、交通生成和分佈、分配等,需要從理論上對其過程和方法進行深入、系統的研究。由於國外tia的前提和條件與國內有很大區別,國外tia方法在國內的應用存在一系列問題。
  13. Technological innovation abides the threshold theory. big enterprise and middle - smaller enterprise have different advantages and disadvantages in technological innovation. no matter how the actual strength of the single enterprise is, it is impossible for it to own the whole innovative resource and it is unnecessary and impossible for any enterprise to bring the whole value - added chain into the interior, only to choose some aspects to make technological innovation and achieve deep specialization innovation

    技術創新遵循閾值理論,大企業和中小企業在技術創新方面各有優劣勢,單一的企業不可能擁有全部、所有的創新資源,不必要也不可能將整個產業增值鏈都納入到企業內部,只能選擇幾個自己最擅長的環節集中創新資源進行技術創新,實現深度專業化創新。
  14. Therefore, how to determine a proper trade - off line of materiality threshold to satisfy both the providers and users of accounting information is a critical subject in this research, because any failure will trigger the " expectation gap ", which may lead to a legal liability on providers of accounting information

    然而,這條劃分有限責任的重要性界線應當如何確定,才能同時滿足會計信息供需雙方的需要,是研究重要性判斷時的主要課題。因為劃分不當形成的「期望落差」 ,可能給會計信息提供者帶來法律責任。
  15. For the ld pumped self - q - switched laser, the peak power, pulse energy, pulse width and energy extraction efficiency, which have been influenced by the loss in the cavity, cavity length and the threshold absorption coefficiency of the absorber, have been calculated. then we know how to choose the parameters of the self - q - switched laser for design

    根據自調q二極體泵浦固體激光器的特點,計算了腔內損耗、腔長和飽和吸收體的初始吸收系數對于峰值功率、單脈沖能量、脈沖寬度和能量利用率的影響,並由此提出了設計自調q激光器中的參數選擇規律。
  16. Contains information about how to create a database alert that is raised when a threshold value for a system monitor counter has been reached

    介紹了如何創建在達到系統監視器計數器的閾值時發出的數據庫警報。
  17. For our laboratory is changing toward industrialization, a lot of work on conventional ingaas / gaas / algaas quantum well laser has been done. how the parameters, such as threshold current density, slope efficiency, fwhm and spectrum width, are influenced and how much the influence is, are discussed by the numbers. the effective means how to improve a certain performance parameter are purposed too

    由於本實驗室正處于由試驗研究向產業化邁進的階段,針對常規ingaas / gaas / algaas量子阱激光器做了很多工作,文中系統論述了常規量子阱激光器的各項性能參數?閾值電流密度、斜率效率、遠場發散角、光譜線寬等的影響因素及改進的有效辦法,並針對激光器p ? i線性度不好、遠場發散角出現多瓣的現象,通過理論分析找出原因所在並進行了改進,有效解決了以上問題。
  18. In this paper, we put premium on the study of mining association rule based on the framework of similarity - confidence in the study of infrequent association rule mining, we give out the extension algorithm of mining similarity association rule and some relevant theory. in the subject of raising the automation level of mining progress, we mainly study how to use the technology of interpolation to determine the threshold of support / confidence automaticly, and give some detailed experimental examples

    在提高挖掘過程的交互性和自動化水平方面,重點研究了如何用插值與逼近的方法自動確定支持度置信度閾值,研究並闡述了將牛頓插值法用在關聯規則挖掘中自動確定支持度置信度閾值的方法和一些注意事項,並給出了詳細的實驗例子。
  19. And it was discussed how to choose the threshold value of correlation

    同時討論了關聯門限取值等問題。
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