正確度測量 的英文怎麼說

中文拼音 [zhēngquèliáng]
正確度測量 英文
measure of accuracy
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 形容詞1. (符合事實; 真實) true; reliable; authentic 2. (堅固; 堅定) firm
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 正確 : exactness; correct; right; proper; rightness; rectitude; validity
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. After careful testing and tuning, the inspection system appears good to the inspection of sound, chalky and off - type kernels, and rice screenings

    本系統在連續大米粒時,其整體分類率超過80 % ,檢出完整粒的精約為97 % 。
  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井特徵參數的基礎上,採用自適應方法對各變多項式進行優選,減少了特徵參數間的相關性,突出了類別間的差異性,從而優化了模式的質,提高了分類的精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? ?即通過對回判率的比較,然後對參數進行調節的辦法,可將模式「訓練」到最佳狀態。
  3. The box beam ' s temperature stress of longitudinal direction and transverse direction with different conformation are analyzed, it finds that there is largish temperature tensile stress in the bottom of top deck and the haunch of box beam increase temperature tensile stress in the bottom of top deck. the paper makes a study of different thermal effects resulted from several kinds of closed rigid frame

    根據大場結果建議採用一個有利於理論推導的指數函數的公式來擬和箱梁體內的溫差分佈,既貼近實數值,計算又比較簡單;通過對空腹式剛架拱橋尤溪洲大橋所在地夏季、秋季、冬季的溫場及溫應力的實,以及與本文所提出計算方法的理論解進行的分析比較,證實了本文計算方法的,同時改進了已往混凝土箱梁溫自應力的計算方法。
  4. The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore

    第一章回顧了孔結構在當今國內外的研究現狀,包括混凝土孔方法的研究、孔結構模型的研究及孔結構與強關系的研究現狀,介紹了孔結構研究方面的一些最重要的成果;第二章敘述了混凝土材料細觀結構的多尺性及混凝土材料孔技術的原理,並討論了水泥基多孔材料孔隙分析中常用的表徵參數,也說明了壓汞法孔對研究結果的影響因素,指出了壓汞法在孔結構研究中的局限性;第三章是著重分析了孔隙率與強關系模型的發展歷程,並對已有的模型進行了比較分析,指出了原有模型的不足之處;第四章在「綜合集成」的基礎上,提出了混凝土孔結構復合體模型和孔系統的物理模型,並模擬了該模型下由各單體並聯形成的復合體的斷裂過程,最後根據所建模型編制了相應的計算程序,可根據輸入的孔徑分佈與水泥含等參數,實現混凝土理論強的計算;第五章對第四章模型中出現的模型參數進行了相應的試驗數據對比分析,根據回歸分析的方法得到了反映基體強特徵的k值,並從理論上探討了水泥含、彈性模和表面能的修對混凝土強計算產生的影響,檢驗模型的性;第六章是結論與展望,根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。
  5. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以保井壁壓強保持壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。
  6. Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100

    論文在全面闡述了光學三維輪廓位相術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上,簡要介紹了傅立葉變換和相移位相輪廓術的基本原理,對兩種方法存在的問題及誤差進行詳細分析和比較;針對位相解包裹錯誤點的傳播問題,作者通過改變解包裹路徑來提高位相解包裹的性;分析討論從解包裹位相( x , y )到再現物體的高h ( x , y )物理之間的關系,研究相應的演算法,利用matlab平臺,對實際採集的條紋圖像進行處理和輪廓重構,其中改進及創新工作主要表現在以下兩個方面: ( a )針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響,提出了一種用條紋穩定器穩定干涉條紋,用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法,建立了相應的系統,系統的條紋穩定可以達到。
  7. A lot of data of elevation in different places of the shallow water of n antong were obtained by fish - exploring machine and gps determining and tide cor recting. an image which reflects landforms of nantong was obtained by selecting f rom the many noaa images on different channels and in different phases. based on the image, grey scales corresponding to different places were obtained. by using c la ssifying liner regression technique, liner regression equations were established between the elevation and grey scale, and the threshold values of grey scales of the different elevations were determined. according to the threshold values, the a reas of the tidal zone above different elevations of the shallow water of nanton g were estimated

    通過利用gps及漁探器實,並進行潮位訂,獲得南通淺海海域大點的高程資料;通過對多時相各通道noaa衛星照片進行篩選,挑選能反映淺海地貌的通道資料,從中讀取各點相對應的灰值,在此基礎上利用分級線性回歸,建立不同高程范圍內的高程、灰線性回歸方程,定不同高程的灰閾值,從而出南通市淺海海域不同高程以上的潮間帶面積、分佈。
  8. With the development of the network and the multi - processor system, the research, simulation and the impemeni of the system - level fault diagnosis which is the very important means to increase the reliability of the system, are becoming more and more important. on the system - leve1 fault diagnosis, based on the group theory of system - level fault diagnosis that has been put forward by pro f zhang, the paper constructs newly the theory bases, improves on the matrix method, reinforces and consummates group arithmetic of all kinds of test mode, for the first time, analyses and discusses the equation solution of all kinds of models, so al1 the consistent fault patterns ( cfp ) could be found, straightly and high efficiently, even if the sufficient and necessary condition of t - diagnosable is dissatisfied and the complexity of system - level fault diagnosis is greatly decreased, especialy in strong t - diagnosabl6 system. last the simulation system ' s function has been extended and the application hotspot and the development trend have been disscussed

    本人在張大方教授等人提出的基於集團的系統級故障診斷的理論基礎上,重新構建了系統級故障診斷的理論基礎,定義了系統級故障診斷試模型的三值表示;改進了系統級故障診斷的矩陣方法,重新定義了試矩陣、鄰接矩陣、結點對、結點對的相連運算、極大準集團和斜加矩陣,由此能直觀、簡便地生成集團和極大獨立點集;補充和完善了各類試模型的系統級故障診斷的集團演算法,通過定義集團試邊和絕對故障集,簡化了集團診斷圖,由此能較易地找到所有的相容故障模式,即使不滿足t -可診斷性,大大減少了系統級故障診斷的復雜,尤其是對強t -可診斷系統;首次分析探討了各類試模型的方程解決,由此從另一角能系統地、高效率地求出所有的相容故障模式( cfp ) :擴充了系統級故障診斷模擬系統的功能,快速、直觀和隨機地模擬實驗運行環境,進行清晰和的診斷,同時提供大的實驗數據用於理論研究,優化演算法和設計。
  9. The laboratory offers calibration service for watchesstop watches with internal crystal and step motor. the calibration of watchesstop watches includes the measurement of its relative frequency accuracy

    計時表本所為石英及機械表提供校服務,包括計時表內部頻率的準
  10. A new harmonic analysis method for electric power systems based on triangle basis functions neural network was presented, the convergence theorem of the algorithm was proposed, and a window function and interpolation algorithm were employed to correct the frequency of fundamental waves

    摘要提出了一種新的基於三角基函數神經網路的電力系統諧波方法,給出了該神經網路演算法的收斂定理,並採用加窗插值演算法修基波頻率的準
  11. The hwtx - i gene was chemically synthesized according to its known cdna sequence, the gene was inserted into vector ppic9k which contained aoxj promotor and the sequence of a secreting signal peptide - a - factor, the cloning ppic9k / hwtx - i was constructed and confirmed by two - step pcr and dna sequence analysis, then it was transformed into host strain gs115, a his + muts cell line was screened and multicopy transformants were screened by various g418 concentrations, the multicopy transformant was named gh1. gh1 was cultivated in flasks. after 6 days of induction by 0. 5 % methanol, the supernatant was checked by 16. 5 % tricine - sds page, which showed there was a band in the position of 3. 5 - 6. 1kd, then it was isolated and desalted by ultrofiltration followed by ion exchange of cm column, after reverse phase hplc of ci8 and vacuum drying, the purified rhwtx - 1 was obtained which was proved to be correct recombinant hwtx - i by tricine sds - page, maldi - tof mass spectrometry, amino acid composition analysis, the n - terminal amino acid sequence and its biological activity, the final field of the purified rhwtx - i was about 80mg / l, accounting for 23. 6 % of it total secretory proteins

    將帶有hwtx -基因的ppic9k經blgii線性化后,轉化酵母宿主菌gs115原生質體后經篩選陽性克隆並經表型鑒定為his ~ + mut ~ s酵母菌,進一步用遺傳毒素g418篩選多拷貝的轉化菌株,命名為gh1 ;將gh1甲醇酵母菌用0 . 5的甲醇誘導表達,發酵上清經90飽和的( nh _ 4 ) _ 2so _ 4沉澱, yw - 3 ( mwc03000 )的超濾膜超濾,再經cm陽離子交換, c _ ( 18 )反相hplc純化得到分子為4kd左右的組分,其中4289 . 05的組分經質譜鑒定,氨基酸組成分析和序列定為的表達產物,生物學活性表明其活性為天然毒素活性70 % ,表達為80mg / l 。
  12. Studying the threatened chinese white dolphin indo - pacific humpback dolphin in guangxi to understand how their population is being threatened by humans and help develop proper conservation measures

    -棲息于廣西水域之中華白海豚印太平洋駝背豚不足150條。參與此項計劃的同學嘗試了解中華白海豚受人類威脅的情況,並協助研發之保育方法。
  13. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主軸方向的靈敏大致相同,敏感元件採用高對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏、寬程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動技術得到由振動引起的微小電容變化,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速比的電壓信號。
  14. _ _ _ _ uncertain factors of macroscale inversion analysis of displacements are summed up. associated inversion model containing non - deterministic factors is proposed, i. e. " deterministic inversion of differential equation + systematic optimization technique = non - deterministic inversion ". the systematic optimization technique includes direct operator optimization, direct numerical analysis optimization, measurement design optimization, measured data processing, in - ersion algorithm optimization, and inverse operator regularization, etc. when this associated inversion technique is used in displacements back analysis, uncertain factors can be processed quantitatively

    歸納了宏觀尺位移反演分析的不定性因素,提出了容納不定性因素的位移反演分析的聯合反演模式,即「微分方程定性反演+系統性優化技術=非定性反演」的模式,並具體論述了聯合反演模式的系統性優化技術,包括演運算元的優化、演數值分析的優化、設計優化、觀數據處理、反演演算法優化、反演運算元處理等六個優化方法。
  15. It ' s a more accurate method in determining the isotopic abundance of uranium. the paper describes the measurement principles that allow accurate measurements to be taken on samples of arbitrary size, shape, and measurement geometry - and of arbitrary physical and chemical composition - through the use of know nuclear decay data ( half - lives and branching intensities ). this method relies on internal gamma - ray peaks from the spectrum under analysis to self - calibrate the unknown spectrum for energy and peak shape

    本工作首次分析了pc fram軟體的演算法並使用高純鍺探器探歐共體低濃鈾標準樣品,使用pc fram軟體的預設參數並不能得到準的富集值,通過大的實驗,本工作對鈾富集中的關鍵問題進行了初步的研究並給出了本實驗室條件下準分析鈾富集的修參數和條件。
  16. Accuracy trueness and precision of measurement methods and results part 1 : general principles and definitions

    方法與結果的準與精密第1部分:總則與定義
  17. Accuracy trueness and precision of measurement methods and results - part 2 : basic method for the determination of repeatability and reproducibility of a standard measurement method

    方法與結果的準與精密第2部分:定標準方法重復性與再現性的基本方法
  18. In order to measure magnetization characteristic with high accuracy we must keep the wave of magnetic induction is sine, so we must control the excitating voltage

    為了能夠精磁化特性必須保證磁感應強波形為弦,因此必須對激磁電壓波形進行控制。
  19. In order to verify the validity and feasibility of temperature distribution measurement principle, an experimental bench using infrared radiation absorption ct technology has been established

    為驗證上述原理的性和可行性,建立了吸收發光ct法火焰溫系統。
  20. Abstract : in this paper, best estimation of combinatorial prediction is constructed by weights reciprocal variances. then their precisions are compared. random error 、 residuals and predicitons by identical precisions are explained

    文摘:文中討論了在方差倒數權為基礎的權組合預條件下,最佳估計值的定及其精比較;並深入闡明隨機誤差、殘余誤差及等精的意義和它們之間的關系。
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