特徵變數 的英文怎麼說

中文拼音 [zhǐbiànshǔ]
特徵變數 英文
characteristic variable
  • : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
  • : 名詞[音樂] (古代五音之一 相當于簡譜的「5」) a note of the ancient chinese five tone scale corre...
  • : 數副詞(屢次) frequently; repeatedly
  • 特徵 : characteristic; feature; properties; aspect; trait
  1. We use b - spline smoothing technique to smooth the characteristic function without changing the integral quantity and get a differentiable weight function. the method considerably improves the quality of sampling points

    我們用b樣條磨光技術在不改積分值的前提下磨光,用可微的權重函代替,提高了采樣的質量。
  2. Gathering fuzzy technique and model - identifying technique to processing research, fuzzy model - identifying technique, a intersecting science, has been come out, which has become hoto in this thesis, based on deeply researching the fuzzy unit - identifying and complete analysis on data of measuring well of the chandqing wushenqi district, the method of constructing self - adapting multi - dimension non - liner subjection degree function has been created without precedento based on the extraction of routine measuring well character parameters, and for adopting self - adapting method to carry through character compression, the model has been improved the performance and enhanced the convergence speed and sorted precision of the algorithm o the relation of measuring well information and the oiliness & gassiness of sandstones is fuzzy ? in the thesis, the law of max subjection degree has been studied and improved, and proved preferable effect in the practical application

    論文在提取一些常規測井的基礎上,採用自適應方法對各量多項式進行優選,減少了間的相關性,突出了類別間的差異性,從而優化了模式的質量,提高了分類的精度。測井信息和砂體的儲集性之間的關系是帶有模糊性的,論文對模糊「最大隸屬原則」進行了研究和改進,並在實際應用中取得了較好的效果。論文成功研製了「自適應」的演算法和軟體? ?即通過對正確回判率的比較,然後對參進行調節的辦法,可將模式「訓練」到最佳狀態。
  3. The parameter a, is studied in many experiments of hadron - hadron collisions and heavy ion collisions after it was introduced

    非熱相的概念提出后,很多強子?強子碰撞實驗和重離子實驗都對_ q進行了研究。
  4. The other research purpose is to discover characteristic information and reliable methods of reflecting spinal cord damage. due to typical damage indicators, amplitude and latent period, have bugs such as limited information and weak stabilities, this project recommends applying time - frequency analysis to monitoring spinal cord function. through analysing and comparing typical signal with stft and cwt, it is proved indicators under time - frequency distribution can be better in reflecting signal changes, espcially the wavelet transformation

    針對目前ep監測中判定脊髓損傷的指標(波幅和潛伏期)存在信息量相對較小、穩定性較差的缺陷,本課題提出利用時頻分析技術對術中脊髓功能監護進行研究,通過短時傅立葉換和小波換分析和比較典型信號的時頻分佈,證明時頻能更有效的提取信號的化信息。
  5. In order to detect the bottom thickness, cavity, leak and deformation of steel meshes in secondary lining of concrete in tunnel construction, the authors evaluate the wave character and the detected result in the second lining of the tunnel using surveying radar technology and conclude the wave character in the tunnel lining which has mass defect and tested the accuracy and reliability of this technique

    摘要為檢明隧道混凝土二次襯砌中的底界厚度、空洞、漏水、鋼筋網形等質量問題,利用探地雷達技術,通過對檢測方法及工程檢測實驗的研究,進行隧道二次襯砌中雷達波形及檢測結果評價,總結了隧道襯砌質量問題的雷達波形,驗證檢測方法的精度和可靠性。
  6. Fast wavelet analysis algorithm based on oblique projection and mellin transform

    基於小波包換的說話人語音的提取
  7. The emphasis in this composition is windshear signal processing technology. some processing methods are introduced in detail, they are suppressing clutter, extracting windshear parameters, computing hazard factor and etc. the signal processing simulation is accomplished on computer, it includes simulating microburst echo signal, simulating ground clutter echo signal, filtering clutter, estimating wind speed and calculating hazard factor. from the simulated results, a dangerous windshear is detected 5o ~ 78s, so the radar performance meets the certification requirements proposed by faa and nasa

    本文重點研討了風切信號處理技術,對雜波抑制技術、風切提取技術及危險因子計算方法等內容進行了深入的研究,並進行了計算機模擬,包括微下擊暴流回波信號模擬、地雜波回波信號模擬、雜波抑制、風速提取和危險因子計算。
  8. Through studying the working mechanism of the composing, the paper referred the bearing ' s analyzing model and designing flow. through shearing test of high damping rubber, the paper analyzes the influence of shearing shape, shearing strain range and inspiriting frequence on the characteristic parameters ( dynamic shear elastic module, dissipation engineering module, wasted gene ). according to the rule of equivalent energy, the paper gets the hysteretic curve of hdr ' s equivalent bilinear model and parameters ' calculating formula

    本論文通過對這種分離式減震支座各組成部分工作機理的研究,提出了該分離式減震支座整體的計算分析方法和設計流程;通過高阻尼橡膠剪切試驗,分析了高阻尼橡膠剪切面形狀、剪應幅值、激勵頻率和試件高度對(動態剪切彈性模量、耗能模量、損耗因子)的影響。
  9. The feature parameter extraction methods of the underwater target are studied which can improve the performance of the underwater acoustic countermeasure equipments. several feature extraction methods such as the scale invariance feature extraction, target pole extraction fourier - mellin transform etc are investigated by computer simulations. the experimental results demonstrated the efficiency of these feature extraction methods in the applications of underwater target recognition

    對多種提取方法如目標相對不尺度提取、目標極點提取、目標信號的傅里葉?梅林提取等進行了模擬研究,結果表明了這些提取方法的有效性,具有良好的應用前景。
  10. Sinense y. x. lin using allzyome marker. the experiment employ six enzymes : est, mdh, fdh, gdh, sod and acp, using their polymtic locus to analyse the allele gene frequency, the number of the effective allele gene

    採用est 、 mdh 、 fdh 、 sod和acp等5種酶系統,分析荷葉鐵線蕨的等位酶遺傳異,用間接法估算荷葉鐵線蕨交配系統的? ?異交率t 。
  11. Based on the six - port relative power theory that for a given load the relative power ratios of different ports are left unchanged with the input power to the six - port varied, characteristic parameters of detectors can be obtained through the least - square method

    根據六埠相對功率理論即對某一負載各埠相對功率比值不隨輸入功率化,由最小二乘法得到檢波器的,結合四標準法,確定六埠網路的系統常
  12. It can be boiled down to combinatorial optimization problem in mathematics. on the basis of summarizing the complexity and structural features of hmb and rules of its design and manufacture and analyzing the spatial relationship in 3d layout of hmb, the expressions of relevant variants are put forward using the object - oriented approach

    在全面總結液壓集成塊設計問題的復雜性點,以及集成塊類零部件的結構和設計、製造信息組成規律的基礎上,本文深入分析了集成塊立體布局的空間關系,用面向對象方法定義了與該問題有關的量的示性表達式,給出優化目標和約束條件,進而確立了集成塊設計問題的學優化模型。
  13. Prosody. models of speech planning ; evidence from speech errors. modification of features and acoustic properties in fluent speech ; gestural overlap, reduction, enhancement

    18韻律學。語言規劃模型。語言錯誤的實證。的改和流暢語言中的聲學性。姿態的重疊、簡化和加強。
  14. From experimental result, i preliminarily know that eps is good thermal insulation material because the absorption of water is low and heat insulation is good, it is practicable at preserving temperature field of frozen earth roadbed and bringing frozen disaster under control ; second, according to the analysis of the eps that is applied into practical project, i have studied the practical effect which eps preserve roadbed temperature field, and the influence that was made after building field. i have get that eps can influence moisture content and frozen upper limit, through practical measuring data, i have studied freezing and expanding quantity and melting and submerging quantity during a complete frozen and melting cycle as well as have expanded and proved the practical application effect of eps with some reference significance to deep research of some connected problems. finally, through computer data analysis, setting up the analytical model of finite unit, i have simulated the temperature field of roadbed heat preservation, then expounded and proved that the height of embankment influenced the effect of thermal insulation material

    其一是對聚苯乙烯泡沫塑料( eps )保溫板以及天然路基土層、路堤填料進行了室內試驗分析,結合國內外現在的有關科研成果,綜合確定其各項;從試驗結果初步認識到聚苯乙烯泡沫塑料是一種吸水率低,隔熱性好的保溫材料,在凍土路基溫度場的保護和凍害治理方面是可行的;其二通過eps保溫板在現場工程實踐中的應用分析,研究了保溫板在保護路基土層溫度場的實際效果以及修築路堤后造成的影響,保溫板對土體含水量、凍結上限的影響,通過實測資料,研究了在一個完整的凍融周期內整個路基的凍脹量和融沉形量,論證了保溫板的實際應用效果,對有關問題的進一步研究和相關工程設計具有參考意義;其三,通過計算機值分析,建立有限元分析模型,對保溫路基的溫度場進行了模擬計算,論證了路堤高度對保溫材料效果的影響。
  15. In the second part of the thesis, the non - thermal phase transition in high energy collisions is studied in detail in the framework of random cascade model. the relation between the characteristic parameter xq of phase transition and the rank q of moment is obtained using monte carlo simulation, and the existence of two phases in self - similar cascading multiparticle systems is shown. the relation between the critical point qc of phase transition on the fluctuation parameter q is obtained and compared with the experimental results from na22

    文章第二部分中,我們用隨機級聯模型對高能碰撞中的非熱相作了仔細研究,用montecarlo模擬得到了表_ q與矩階q之間的關系,證實了自相似多粒子系統中存在兩相,求出了相點q = q _ c對起伏參的依賴關系,並和na22實驗結果進行了比較。
  16. Phenotypic variation in chinese catfish silurus asotus linnaeus

    鯰魚形態與體長關系及異分析
  17. A real physical system may involve many variables but only one or more of them can be detected by modem data collecting equipment in recent years, the technique of phase space reconstruction is frequently applied to analyse and process time series. its significance is that the topological characteristics such as fractal dimension can be obtained, on the basis of investigation and research about the technique of phase space reconstruction up - to - now, this paper is also devoted to develop a new method for the prombles of detecting deterministic chaos of time series obtained from experimental data

    一個實際的系統可能會涉及多個相量,但在實際問題中只能得到部分相量的信息,近年來人們發展了相空間重構方法,能夠通過單量信息重構吸引子,這種方法在時間序列分析和處理中得到廣泛應用,其意義在於能在拓撲等價意義下恢復吸引子的拓撲,本文第三章在國內外有關時間序列的相空間重構研究狀況基礎上,致力於發展對時間序列進行確定性檢驗的新方法,即研究時間序列的分佈規律和赫斯,並在相空間重構的基礎上,提取吸引子的
  18. This paper studies the evolution of oil, gas and water in hinterland of junggar basin from point of view of hydrogeology. analyzes the mutual action among theta and the effect of formation water on the formation and distribution of oil - gas reservoirs, including applying some ions and characteristic factors of formation water to reflect the closed relations among the preservation conditions of the oil and gas, the closing degree of reservoirs and the oil - gas migration for the purpose of searching for favorable oil - gas accumulation zones by the varied features of formation water

    從水文地質觀點和角度研究油氣水的演化,剖析水和油相互作用的關系,掌握地層水對油氣藏形成和分佈的作用,同時利用地層水的某些離子來反映油氣的保存條件、地層的封閉程度、油氣的運移有著密切的關系,旨在利用水化學的來尋找有利的油氣聚集帶。
  19. Take middle - east district of taipusi banner as study area in the paper, combining field observation test ( pumping test and field survey ) with indoor experiment ( granule analysis and organic matter analysis etc ), based on the relationship between hydrological parameters and physical - chemistry characteristic parameters of formation, the variability of aquifer parameters and physical - chemistry parameters of unsaturated zone have been also analyzed. the aquifer system of the taipusi banner is identified and analyzed by using the internal and outside information. on the basis of real pumping of ground water, the water resources evaluated by the water balance method

    本文以太僕寺旗中東部地區為研究區域,採用野外試驗(抽水試驗、實地調查)和室內實驗(顆分、有機質等實驗)相結合的方法,推求了研究區含水層系統的水文水利參,在系統模擬含水層水理參與巖性物理化學之間的關系基礎上,進一步分析了含水層參及其包氣帶的物理、化學的空間,並利用其內外部信息對太僕寺旗含水層系統進行了辯識與分析;以現狀地下水開采量為依據,採用水均衡法評價了研究區水資源總量,並利用有限單元法來模擬分析驗證。
  20. Using normal probability model is more simple and efficient to determine performance and characteristic parameter of waterflood oilfield, so it is feasible and practicable to forecast water cut and oil recovery of waterfood oilfield and evaluate its development measures

    摘要應用正態概率模型可以方便地確定水驅動態化、描述水驅,這就使得預測油田含水率、採收率、評價並發措施得比較簡便而實用。
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