analysis by weight method 中文意思是什麼

analysis by weight method 解釋
重量分析法
  • analysis : n. (pl. -ses )1. 分解,分析;【數學】解析。2. 梗概,要略。3. 〈美國〉用精神分析法治療(= psychoanalysis)。
  • by : adv 1 在側,在旁,在附近。2 (擱)在一邊,(放)到旁邊,(存)在一旁;收著。3 (由旁邊)經過,過...
  • weight : n 1 重量;體重;求心力,重力,(地心)引力。2 斤兩,分量,衡,計重單位。3 (壓東西的)重物。4 砝...
  • 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. Based on the analysis of designed cad graphics and the given parameters, computer can convert the cad graphics to a acdbpolyline which can simulate the routine of the conveyor chain. then by using the method of point - by - point strain calculation, computer could figure out each point ’ s strain of the chains under different load states, and get the results such as strain ’ s maximal and the minimal values and their positions, weight of the strain equipment and power of the drive electric - machinery that the conveyor need

    通過對設計的cad圖形和給定參數的分析,將輸送鏈運行軌跡轉化為一條可模擬輸送鏈軌跡的多義線,然後用逐點張力計演算法動態地計算出各種加載狀態下輸送鏈上各點的受力,得出最大、最小受力點的力的大小和位置,拉緊裝置的重量,驅動電機所需的功率等結果。
  2. Based on the introduction and analysis of the approach of h ( subscript ) loop shaping, aiming at the problems that the weight functions are chosen by trial and error, and the synthetical performance index of the controller is hard to meet the frequency and time domain performance requirements, an improved weight function selection method is proposed based on engineering design and chaos optimization

    摘要在介紹和分析h (下標)迴路成形基本設計力法的基礎上,針對權重函數選取需要反復迭代、過程繁瑣、所得控制器難以同時滿足時域和頻域性能指標等問題,提出了一種基於工程設計、輔以混沌優化理論的權重函數選取方法。
  3. Based on the system engineering theory, and through detailed analysis of economic techniques of the engineering work plan examples of the common used long span steel truss structures, utilizing the sequenced layer analysis, the current paper will establish the long span engineering work plan index system. also by the fuzzy mathematical principles, it builds multi - layer fuzzy complex mathematics judgment and calculate the weight coefficient of each index by application of fuzzy power duality method ; and based upon the experts investigation method builds each index judgment matrix. finally applying the current popular update system tool - power builder 8. 0 developed the " optimization system of ( construction ) fuzzy work plan " to solve and carry out the multi - layered fuzzy combination judgment ; then step on the analysis and research on the reliability of the optimal solution for further achievement of the final objective of the fuzzy optimization in selecting the construction work plan of long - span steel truss realization

    本文以系統工程學的理論為基礎,通過工程實例對常用大跨度鋼桁架結構施工方案進行詳細的技術經濟分析,運用層次分析法建立起大跨度鋼桁架結構施工方案的指標體系,利用模糊數學原理建立了多層次模糊綜合評判數學模型,採用模糊權重二元對比法計算出各指標的權重系數,並採用專家調查法建立各指標的評判矩陣,利用目前最流行的工具系統- powerbuilder8 . 0編制了《建築施工方案模糊優選系統》求解計算,進行多層次模糊綜合評判;調整權重和隸屬度,對數學模型最優解的可靠性作了進一步的分析和研究,從而達到模糊優化選擇大跨度鋼桁架結構施工方案的最終目的。
  4. The study area is located in wangdonggou, a small watershed in changwu county, shaanxi province. with the principles of combination of qualitative and quantitative analysis, macroscopic and microscopic analysis, the assessment indexes of soil erosion are selected through a series processes such as field investigation, soil sampling, physical and chemical properties analysis of soil, analysis of relations between the influencing indexes and soil erosion, statistics method, and so on. every index is divided into five grades according to the specific criterion, and its weight is drawn by ahp method

    本文以陜西省長武縣王東溝小流域為研究區,在堅持定性分析與定量分析相結合、宏觀與微觀相結合的原則下,通過實地野外調查和採集樣品,土壤樣品的理化分析,土壤侵蝕影響因素的分析,利用數理統計分析方法,篩選出了王東溝流域土壤侵蝕定量評價指標;並對這些指標進行土壤侵蝕評價等級的劃分及權重的確定,從而建立了評價指標體系。
  5. Based on the basic principle of wavelet analysis, multi - resolution analysis of signal in atomic clock is made. the coefficients of wavelet transform for synthesis atomic time, which are weighed and averaged at different wavelet scales, are obtained. then according to reconstruction theorem, multi - resolution synthesis time scale can be reconstructed. since the signal of atomic clock has been analysed by multi - resolution, we can use wavelet variance at different scales to weight and average the coefficients. thus either the difference in stability of different clock or the varying characteristic of the same clock at the different scale are all considered. finaly, this method is checked by the measured data from national timing serve center of shaanxi astronomy observatory. it confirmed that this technique, which is simple and practicable, is a new method of multi - resolution. from this method, the common characteristic of different clocks can be extracted. the stability of multi - resolution synthesis atomic time scale is obviously superior to that of other methods

    本文根據小波分析的基本原理,對原子鐘信號進行多解析度分解,將分解后的小波變換系數進行加權平均,得到不同小波尺度綜合原子時的加權平均小波變換系數,然後由小波變換的重構條件,反演綜合時間尺度.由於對原子鐘信號進行了小波分解,利用不同尺度的小波變換系數的小波方差進行加權平均,這樣既考慮不同原子鐘在穩定性方面的差異,又顧及同一臺原子鐘在不同小波尺度的變化特性.最後根據陜西天文臺國家授時中心的實測數據對這種方法進行了檢驗.表明這是一種全新的多解析度綜合方法,這種方法比較簡單而切實可行,它能提取各個原子鐘的共同特性,多解析度綜合時間尺度的平穩性明顯優于其他方法
  6. Finally the quantitative analysis method is applied to evaluate corrosion protection status of pipeline by selecting proper fuzzy operator based on comprehensive considering weight of each affecting factor

    在綜合考慮各影響因素權重的基礎上,選取適當的模糊運算元,通過定量分析的方法對管道的腐蝕防護狀況進行評價。
  7. The thesis gives a macro explanation and grasp which is based on theoretical foundation, social surroundings and developing trend, explains the possibility and necessity of its appearance and discusses the developed process of its object which covers not only real property but also all asset. the author analyzes beneficial weight, systematic ideal and legal values, then clarifies that the legal system needs profound juristic basis. by using the method of comparative analysis, the author expounds the requirement of applicable conditions in other countries and analyzes its deficiencies in the contract law of people ' s republic china

    本文首先從該制度產生的理論依據、社會背景以及發展趨勢上,對其進行一個宏觀了解和把握,說明其產生的可能性和必要性以及適用對象由不動產向一切財產轉變的發展過程;其次通過利益衡量、制度理念、法律價值三個方面的分析,闡明該制度的存在有其深厚的法理學基礎;又運用比較分析的方法,闡述各國在其適用條件上的要求,分析我國合同法有關此方面存在的缺陷;再就該制度適用后所產生的法律效果,分別分析三方(所有人、出租人、承租人)之中每兩方之間的法律關系與單純的買賣關系、租賃關系在權利義務上有何不同;然後將其適用范圍擴大,類推適用於融資租賃和他物權;最後提出完善我國買賣不破租賃制度的立法上的建議。
  8. Finally, the paper makes an in - depth analysis in total effects of railway - electrification ( including positive effects and negative ones ), offers general train of thought about comprehensive evaluation by quantitative analysis and ff not " establishes an index system to evaluate the project of transformation as well as system structure and process of the evaluation. it applies relative comparison method and arrangement analysis method ( ahp analysis method ) in system engineering to determine relevant parameters and their weight. the paper makes a comprehensive evaluation of the internal - combustion transforming into electric power project in xiang - shi railway and concludes a final evaluation result

    最後,分析了鐵路電氣化改造的綜合效果(包括正負效果) ,提出了定量綜合評價的總體思路,確立了內燃改電力項目綜合評價的指標體系,構建了評價體系結構和評價流程,運用系統工程的相對比較法和層次分析法( ahp分析法)確定有關參數和權重。
  9. Secondly, the dissertation proposes a novel blind symbol - timing scheme for ofdm systems based on cyclostationarity feature of received symbols. the proposed schemes also exploits the periodicity of ofdm symbol introduced by cyclic prefix, by applying 2 - dimentional fourier transformation and choosing the appropriate correlation peak value as the symbol start location, the precision of this scheme is higher than previous conventional method. thirdly, the dissertation presents analysis with regard to channel estimation of ofdm systems. several interpolation algorithm in ofdm systems which based on pilot sequence have been analyzed in the first instance, and the influence of the channel noise on interpolation precision has discussed. the theoretic analysis and simulation results show that : the interpolation error induced by the precision of interpolation procedure itself has out weight

    第三,論文在ofdm系統的通道估計方面,先對基於導頻的ofdm通道估計中的多種插值方法進行了分析,討論了噪聲對插值精度的影響,指出插值本身的精度所造成的插值誤差遠大於噪聲所帶來的插值誤差,從而階次更高的插值演算法在實用中並非最優的;並指出插值濾波法比變采樣率演算法對噪聲的影響更為敏感,在信噪比較高時插值濾波演算法比變采樣率演算法更優。
  10. Under the horizontal earthquake action and wind force, aim at " the pure frame structure with rectangle columns ", " the pure frame structure with special - shaped columns ", " the frame - truss structure with special - shaped columns " and " frame - shear wall structure with special - shaped columns ", earthquake action analysis was done by the spacial finite element method through the changes structural parameter. analyzing systematically " structure vibration mode ", " vibration period ", " structure lateral rigidity ", " seismic action force ", " seismic response force ", " floor seismic shear force ", " lateral horizontal displacement of structure " and " members internal force ". results indicate : ( 1 ) based on equal area, the special - shaped columns replaced the rectangle columns, the structural lateral rigidity enlarges, the lateral displacement minishes obviously, the earthquake response increase slightly, the biggest increasing amount of frame columns axis - compress ratio is smaller than 0. 08. the whole aseismic performance of structure has improved ; ( 2 ) when the section ' s length and section ' s thickness ratio of special - shaped columns is smaller than 3. 6, the structure benefits to resist seismic action ; ( 3 ) the angle of horizontal seismic action with the whole coordinate is 0 degree, structure earthquake response is bigger, belonging to a control factor of structure aseismic design ; ( 4 ) the frame - truss structure with special - shaped columns and the " a " - brace has the biggest lateral rigidity ; ( 5 ) the frame - shear wall structure with special - shaped columns have bigger lateral rigidity and smaller displacement, members internal force enlarged just rightly, have much superiority of resisting seismic action ; ( 6 ) in the higher seismic fortification criterion region ( 8 degree of seismic fortification intensity ), aseismic disadvantageous building site ( iii type site ), adopting special - shaped columns structure system, should reduce possibly the building ' s self - weight in order to reduce the earthquake response ; ( 7 ) the response spectrum method of computing seismic response and the time - history analysis method have similar analysis result

    西安理工大學碩士學位論文在水平地震作用下,並考慮風荷載組合,分別對「矩形柱純框架結構」 、 「異型柱純框架結構」 、 「異型柱框一析架結構」及「異型柱框-剪結構」等四種結構體系,通過改變結構參數,運用空間有限元方法,進行地震作用計算。系統地分析研究「結構振型」 、 「振動周期」 、 「結構側向剛度」 、 「結構地震反應力」 、 「樓層地震剪力」 、 「結構側向位移」 、 「層間位移角」 ,以及「構件內力」 。結果表明:在等面積原則下,異型柱代換矩形柱后,結構剛度增大,側向位移明顯減小,地震反應力略有增加,框架柱軸壓比最大增幅小於8 % ,結構整體抗震性能有所提高;當異型柱肢長肢厚比小於等於3 . 6時,結構有利於抗震;水平地震作用力與整體坐標夾角為0度時,結構地震作用效應較大,屬結構設計的控制因素之一;異型柱框一析架結構採用「人」字斜撐,側向剛度大於「八」字斜撐和「人一八」字混合斜撐;異型柱框一剪結構側向剛度大、位移小,構件內力增大適中,是一種抗震性能優越的結構體系:在抗震設防烈度較高地區( 8度)和抗震不利的建築場地( m類場地) ,採用異型柱結構體系時,應盡可能減輕結構自重,降低地震作用力;分別採用「振型分解反應譜」法和「時程分析」法進行地震作用計算,兩種方法所得結果基本一致。
  11. Plenty of diagnosis examples demonstrate the validity of the gray relationship analysis method in diagnosing power system insulation faults. not only the misjudgment rate can be reduced, but also the transformer fault incidences can be classified by using self - adapted weight fuzzy clustering method. further more, the transformer insulation condition can be analyzed, as well as the fault position can be located by recognizing the fault types

    經過大量的診斷實例表明:本文的模糊綜合診斷與模糊規則推理結合起來的故障診斷方法對電力研究變壓器絕緣故障診斷是有效的,能大大減少錯判、誤判比率;自適應加權模糊聚類方法能對變壓器的故障樣本正確分類,同時能有效判別故障類型,診斷的準確性大大高於常用的三比值法。
  12. The specific recombinant plasmid was identified by molecular weight, pcr and restriction endonuclease analysis. the results indicated that the resuctant construct contained the gene of interest f. the positive cloned was sequenced by sanger ' s dideoxy sequencing method. the results demonstrated that the f gene included an open reading frame which was 1662bp in length and encoded a protein of 553 amino acid

    經核苷酸測序,該基因含一個1662bp的開放閱讀框,編碼553個氨基酸,與國外報導的新城疫各毒株f基因相比,核苷酸序列同源性為88 . 3 96 . 4 ,氨基酸同源性為92 . 1 96 . 4 。
  13. Analysis by weight method

    重量分析法
  14. This dissertation seeks feasible method for car body weight lighting by the car body fem ( finite element method ) analysis

    本文就是通過對大客車的半承載式車身骨架有限元的分析計算,尋求切實可行的車身骨架輕量化途徑。
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