range method 中文意思是什麼

range method 解釋
斷面法
  • range : vt 1 排列;整理(頭發等)。2 使歸類[班、行、隊];把…分類。3 〈用被動形或反身形〉加入,站住…的一邊...
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  2. Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

    在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。
  3. By using the processing method of sliding time window, the problem of the periodicity range ambiguity is solved. meanwhile, the problem of range ambiguity which is produced because the range of target is biger than the maximum range of radar is also solved by using this method. then, the pulse width parameter which is the most important in the parameters of fmicw is analyzed. the stricter restrict is given to ensure the range spectrum has only one beat frequency after signal processing. at last this thesis introduces the different signal processing methods of fmpcw and fmicw

    同時利用該方法解決了fmpcw信號的由於目標距離超過雷達的最大單值測距范圍而引起的距離模糊問題。然後對fmicw波形參數中最為重要的脈沖寬度進行了分析,給出了更為嚴格的約束條件,保證了信號處理后距離譜峰值的唯一性。最後,分別介紹了fmpcw和fmicw信號的不同處理方式,並對兩者不同的時域濾波性能進行了比較,並對二者的差異進行了分析。
  4. Based on the analysis of the beat frequency signal, the expression of the beat frequency phase is deduced. the expression indicates physics meanings of quantities to be detected and supplies theoretical bases for detection methods. by using two - dimensional fft, the range and velocity information of target is got out from the echo. according to the periodicity range ambiguity of symmetrical pulses in fmpcw, the processing method of sliding time window is used

    通過對差頻信號進行的分析,得出了差頻相位的具體表達式,表現出了要檢測的各量的物理意義,對檢測的方法提供了理論依據。利用二維fft方法,可以有效地提取回波中目標的距離與速度信息。對于fmpcw信號由於均勻脈沖產生的周期性距離模糊的問題,採取時間波門的處理方法。
  5. A mountain range shown by this method can look like a hairy caterpillar.

    採用這種方法表示的山脈看上去象一條毛蟲。
  6. The propeller cavitation range determined by calculation method presented in this paper agrees with the observation result of cavity image at cavitation tunnel very well, which proves the practicability of this method

    應用本文計算方法確定的螺旋槳空泡范圍經與空泡水洞中的空泡圖象觀察結果比較,證明了該方法的可行性。
  7. Landslide is a geological hazard with serious losses. it is very important to research the controling methods. slide - resistant pile, which has many advantages such as high adaptability, little interference to landslide and geological environment, short construction time, high silde resistance, is a main method to control landslide. pneumatic down - the - hole hammer is a drilling method with many advantages. its features, such as wide application range, high hole quality, no circulating medium, low operation regulations, and drilling big diameter rock hole, fit to construct slide - resistant pile. according to the requirement of silde - resistant pile construction, this paper analyses feasibility that pneumatic dth hammer drilling applies to construct slide - resistant pile on the basis of introducing the features of pneumatic dth hammer. then an applied example is given

    滑坡是一種危害極大的地質災害,它的整治方法研究具有重要意義.抗滑樁是一種適應性強、對滑坡穩定性和地質環境干擾小、工期短、抗滑能力強的滑坡整治方法.風動潛孔錘鉆進是一種具有許多優點的鉆進方法,它的許多特點,如成孔質量高、應用范圍廣、無液體循環介質、鉆進規程參數小、可實現大直徑基巖鉆孔等都適合於抗滑樁施工.文章在介紹風動潛孔錘鉆進特點的基礎上,根據抗滑樁施工要求,分析了風動潛孔錘用於抗滑樁施工的可行性,並舉出了其應用實例
  8. A new method of laser range finder based on dds and dsp

    的一種新的激光測距方法
  9. Because of the great quantity, strong specialization, wide involved range of the knowledge of engine, this paper introduces the construction of the repository, reasoning machine, program interface and the knowledge acquirement of dmas wearing fault integrated diagnostician system, puts forward the method of storing and managing the fault diagnostic knowledge by database, carries out fault diagnostic with proper reasoning strategy, and discusses the realization of the system from the view of the theory and engineering. 3, the research on the remote fault diagnostic system

    2 、 dmas故障診斷專家系統的研究本文主要針對發動機的知識具有數量大、專業性強、經驗成分多、涉及面廣等特點,介紹了dmas磨損故障綜合診斷專家系統的知識庫、推理機、人機界面和知識獲取的實現,並提出把故障領域知識存入相應的數據庫,運用數據庫技術進行管理,結合合適的推理策略進行故障診斷,並從理論和具體方法上對系統的實現過程進行了探討。
  10. The control system with such method is simulated and a inverter is made for speed control of single - phase motor. the method presented in this paper offers such advantages as easy implementation, large range of frequency and rapid dynamic response. furthermore, using this method, the single - phase motor with symmetrical or dissymmetrical windings can operate symmetrically

    本文提出的變頻調速控制方法具有系統設計簡單易實現,調速范圍大,動態響應快等特點,而且在電機繞組對稱和不對稱兩種情況下均可實現變頻調速的對稱運行。
  11. The kernel of this method is the emendation of the across moving range bin, which combines the emendation and the range compression

    這種方法的核心是校正越距離單元走動,它是把走動校正跟距離壓縮結合起來做。
  12. The second passage of the article is the essential section, composed with macrocosm design, organization implement and feedback collection, designing and outlining the systemic model of certificate of leadership qualification, the whole assessment system pays attention not only to the macrocosm structure, proper and scientific frame, extensive applicability, but also to concrete steps, exiguous and intuitionistic programming, simple and convenient operation. the macrocosm design exerts modern examination theory and systemic project method to describe thoroughly the basic principles, applicable range, certificate categories, the setting of organization system, assessment target of leadership qualification, the choice of content and technology ; organization implement gives exiguous and concrete designs on the period of qualification examination, choosing time, confirmation of the certificate scale and qualification censor, written examination, interview, pub

    總體設計中運用現代考試理論和系統工程的方法,適應形勢,結合實際,對認證制的基本原則、適用范圍(正副廳、正副處、正副科等三等六級) 、認證的分類、組織體系的設置、任職資格認證評價目標、內容和技術的選擇進行了宏觀全面地闡述;組織實施中對任職資格考試周期、時間的選擇、認證規模的確定以及資格審查、筆試、面試、考察、公示的操作等進行了微觀具體地設計;反饋迴流中對認證工作的檢驗和評估、任職資格的跟蹤動態管理和認證制保障機制的建立進行了詳細說明。
  13. The strip method was applied to the motion prediction of the monohull. the time range solutions of heave and pitch were obtained in the condition of head sea to provide the primary data on panoramic simulation

    本文利用切片法對0371g艇加裝縱向組合減搖附體前後的運動進行預報,取得了迎浪狀態下升沉和縱搖的時歷解,為視景模擬提供原始數據。
  14. The penetration test study the disturbance of soil in difference location. by using finite element method, the paper study the stratum movement and the earth surface deformation caused by pipe jacking, analysis the construction parameter such as head pressure, deflexion, friction force impact on earth surface deformation, give the distributing rule and range of additional soil pressure in soil

    採用有限元計算分析的方法,對頂管施工引起的地層運動及地表位移進行研究,分析了機頭土壓力、機頭偏斜、摩阻力等不同施工參數對地表變形的影響以及附加應力在土中的分佈規律和影響范圍。
  15. In order to eliminate the illegibility of boundary and large dynamic range in amplitude, this dissertation presented a preprocess method for isar profile using adaptive threshold segment

    針對isar像邊緣模糊、灰度動態范圍大等特徵,對圖像預處理方法提出了改進。
  16. The method of wing shape optimization of space shutlle has been developed with penalty function approach in which the objective function is the mass of the wing and the constraints are the hypersonic re - entry flight cross range, lift / drag ratio, and subsonic flight lift / drag ratio, the margin of the longitudial static stability and the magnitude of the horizontal landing speed etc

    摘要介紹了在滿足高超音速再入橫向機動航程,高超音速再入飛行時的升阻比,亞音速進場飛行時的升阻比,縱向靜穩定性裕度和水平著陸速度等飛行性能設計要求下,用罰函數法尋求使航天飛機機翼質量為最小的外形優化方法並給出了算例。
  17. Then the measured frequency characteristic can be converted to high accurate transfer function with curve fit method, rational initial parameters choice and fitting in different frequency range method

    使用曲線擬合方法,輔助以合理的初始參數選取及分段擬合方法,將測量得到的控制對象頻率特性轉化為高精度的傳遞函數。
  18. Duncan ' s new multiple range method

    新復極差法
  19. 05. 01 evaporation loss of lubricating greases over wide - temperature range, method of test for

    寬溫度范圍潤滑脂蒸發損耗測試方法
  20. Demonstrates how to define a range in a word 2003 document by using the range method of a document object to supply a start value and an end value

    演示如何使用document對象的range方法提供起始值和結束值,在word 2003文檔中定義范圍。
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