寬度偏差 的英文怎麼說

中文拼音 [kuānpiānchā]
寬度偏差 英文
width deviation
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ形容詞1 (不正; 歪斜) inclined to one side; slanting; leaning 2 (只側重一面) partial; prejudi...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  1. Pivoting 90 degrees, raab pans westward across the sagebrush - stubbled desert until he spots an identical tube and another building, also four kilometers distant. “ when we talk about locking the laser beam ” that shines inside those tubes, raab says, “ we mean holding the light waves steady to better than the width of an atom ? over that distance

    拉布說:當我們談到鎖住(管道內的)雷射光束時,意思其實是:在光束行經四公里的距離后,我們可以將其控制在一個原子的之內。
  2. The author has finished the following several jobs in core of the centre : 1 ) the active compensation method based on bang - bang control was put forward to realize the wide range current transformer. the method converts the complex statement space to i / o description by the two - stage current transformer. with the compensation method, the accuracy of 0. 2 grade current transformer can be improved to less than the 0. 1 grade standard at 100 % rating when the primary side current is changed from 2 % to 120 % of the rating

    圍繞這一工作核心,作者完成了以下幾項工作: ( 1 )以實現量程電流互感器為目標,提出了基於bang - bang控制的有源補償方法,採用雙級電流互感器,將復雜的狀態控制分量轉化為控制,該方法結構簡單,調試方便,有源補償器輸出電流小,可以將0 . 2級的電流互感器經過補償后提高到一次電流從額定值的2變化到120時,測量誤不超過一次電流額定值100時準確為0 . 1級的測量標準。
  3. Square and rectangular keys and keyways - width tolerances and deviations greater than basic size

    方形和矩形鍵和鍵槽.和大於基本尺寸的
  4. That test part of the software is primarily used to complete the test of some parameters, such as time base, time - expand, time interval, voltage interval, vertical, stable state, transient state and scanning linearity. the result of the test needs to be analyzed and judged. clear user interface and timely warnings for mistakes of testing process inside because of the user ' s fault operating make whole test process more easier than it did on a time

    該軟體的測試部分主要用於完成對示波器掃描時間系數、擴展掃描時間系數、 t時間測量、 v電壓測量、垂直轉系數、頻帶、校準信號、脈沖瞬態響應、掃描線性誤時等參數的測試檢定任務,並對測試結果進行及時的分析和判斷,由於界面清晰,而且對測試過程中由於用戶的誤操作都有及時的錯誤提示,使得整個測試過程簡單易行,對于用戶來講掌握起來也更為方便些。
  5. 22 paired inferior collicular neurons were obtained in the experiment. the neurons were recorded in the depth of 198 - 1254 u m ( 544. 59 ? 72. 37 n m, m + sd ), and their bfs were 11. 25 - 59. 29 khz ( 26. 77 + 9. 95 khz, m ? d ) : the minimum thresholds ( mts ) werelo - 66 db spl ( 38. 14 ? 14. 39 khz, m + sd ) ; the latencies were 4. 0 - 16. 0 ms ( 8. 19 + 3. 14 ms, m + sd ) ; the best intervals between paired sound pulses were 0. 01 - 28. 71 ms ( 3. 93 + 2. 52 ms, m ? d ) 0 the results showed : l ) there were interactions between the neurons in the iso - frequency lamina and hetero - frequency lamina which included mutual inhibition ( 18 / 22, 81. 8 % ) and mutual facilitation ( 4 / 22, 18. 2 % ), and the mutual inhibition in iso - frequency lamina was stronger than that in hetero - frequency lamina ; 2 ) the mutual inhibition decreased with sound level increasing ( p < 0. 001, anova ) ; 3 ) the analysis of the inhibition of discharge rate at lodb above mt showed that the inhibition increased when the paired neurons " bfs difference decreased ( r = - 0. 545, p = 0. 0006 ) ; 4 ) the mutual inhibition of paired neurons can sharpen the frequency tuning and the effect increased when the frequency was away from the bf ; 5 ) the changes in q10, q30 decreased with bfs difference of the paired neurons increasing ; 6 ) the mutual facilitation between paired neurons not only increased discharge rate, but also widened the frequency tuning, i. e., increased response frequency

    結果表明: 1 )同頻層神經元之間或者非同頻層之間神經元之間存在相互作用,這種作用既有相互抑制( 18對,佔81 . 8 ) ,也有相互易化( 4對,佔18 . 2 ) ,且同頻層神經元之間的相互抑制作用較非同頻層神經元之間的相互抑制作用要強; 2 )神經元對低刺激強反應時,所受到的相互抑制作用較強,隨著聲刺激強加大,抑制作用逐步降低( p 0 . 001 , anova ) ; 3 )對閾上10db放電率抑制百分比進行的分析顯示,配對神經元之間的最佳頻率越小,相互抑制作用越強( r = - 0 . 545 , p = 0 . 0006 ) ; 4 )配對神經元之間通過相互抑制作用可表kx碩士學位論文waiaster 』 sthesis現出調諧銳化作用,該作用的效率與頻率有關, bf處的銳化作用較低,離bf時其銳化作用逐步加強; 5 )頻率銳化作用的效率與bf有關,隨著配對神經元之間的bf擴亢q10 , q30值的變化逐漸減小,其變化百分比與配對神經元之間的頻率存在明顯相關; 6 )配對神經元之間的相互易化作用不僅表現在放電率增加上,也表現在頻率調諧曲線的擴,即頻率響應范圍擴大。
  6. We encoded and optimized the filter to design the algorithm for filter. computer simulation of complete simulation has demonstrated that the new filtering technique can significantly not only reduce the width relative deviation and the area relative deviation of the image, but also improve the resolution and the focal depth. it provides directive basis for the development of the experiment and the practicability of the technology

    計算機模擬結果表明,通過在非瞳孔面的適當分數傅立葉變換面上加入優化設計的位相型濾波器,可有效減小光刻圖形的線和面積,提高成像系統的解析和焦深,為分數域濾波改善光刻圖形質量實驗的開展和這一解析增強技術走向實用化提供了指導依據。
  7. 3 ) < wp = 12 > using perturbation analysis, the space - correlation loss and the bearing - estimated error for finite - bandwidth incoherently distributed sources are evaluated analytically, respectively. it is disclosed that bandwidth - induced bearing bias increases monotonously with the signal ' s relative bandwidth. when the relative bandwidth is not small enough to be negligible, the spatially - only processing cannot lead to accurate bearing estimate, that is, the joint space and time processing is necessary for high - precision bearing estimation

    3 )利用擾動分析方法,解析評價了有限帶引起的非相干分佈源的空間損耗及其對波達方向估計的影響;分析表明,帶擾動引起的方向估計隨信號相對帶單調增加;當相對帶無法忽略時,為了得到高精的波達方向估計,需要進行聯合空時處理。
  8. The calculation results show that the value of crack width obtained from the new and old hydraulic design specification is different, especially, the member with thicker concrete protective layer, and that the value obtained from industrical and civil building design specification is larger than that from hydraulic design specification, so its design result is safe than hydraulic design

    實例表明新、舊規范的裂縫值計算異較大,特別是混凝土保護層厚較大時,同時工民建規范計算公式的計算值較水工規范計算公式的值大,故於安全。
  9. Some parameters including cutter property, feed - speed, cutting depth / width, engage / retract method, finishing stepover, cut method and operation allowance / tolerance are discussed, and the optimum selection rules is proposed, which give a hand in process planning. 4. il & sm fixturing technology oriented capp / ncp integrated system an il & sm fixturing technology oriented capp / ncp integrated system is developed using the basic functions and second - time development kit provided in ug, which extends the functions of ug platform

    作者對影響加工質量的一些工藝參數,包括刀具、切削用量(進給率、切削深) 、進退刀方式、精加工行距、走刀方式、工步余量與等進行了分析,並對影響這些參數選擇的因素進行了綜合分析,得出了理想的選擇方案和確定原則。
  10. The beam width is stretched. the algorithm performance has the very big weaken. but the convention beamforming algorithm performance is stabler, time delay unbalance, time domain sampling, plane wave supposition and array element the influence which creates to it is not big

    通過比較,高解析演算法在考慮上述情況后,波束方向出現,束被展,幅有很大的衰減,性能明顯下降;而常規波束形成演算法的性能較穩定,延時失配、時域抽樣、平面波假設和基陣的幅相不一致對其造成的影響不大。
  11. Square and rect keys and keyways : width tolerances and deviations greater than basic size

    方頭和長方頭鍵和鍵槽:大於基本尺寸的
  12. For carrier synchronization, a method of estimating the ofiset of carrier frequency has been presented, which has a more broad range of the estimated oflset of carrier fiequency and more accurate result man other methods, then, a method of estimating the carrier complex phase has been presented, which corrects directly the ofiset of carrier phase

    對于全數字接收機中的載波恢復,先提出了一種估計范圍、估值精高的載波頻估計演算法,接著介紹了一種可以直接對載波相位進行補償的復相位估計方法。
  13. Referring to three kinds of plan irregularity, structures individually with four kinds of irregularity as eccentricity in one direction, eccentricities in two directions, re - entrant corner irregularity and diaphragm discontinuity have been analyzed to investigate the relationship between torsion effects and parameters of above irregular structures. the parameters and the schemes for determining the scope of structures with different kind of irregularity considering seismic action in two directions simultaneously are proposed, some conclusions have been get as following : it is indicated by the analysis results that torsion effect has no dependency relation with eccentric torsional angel adopted in code for seismic design for buildings. it is suggested that the eccentric torsional angel should not be take as the parameter of torsion effect of structures considering seismic action in two directions simultaneously ; for the structures with regular plan and elevation and with eccentricity in one direction due to irregular mass layout, the relative eccentricity can be take as the parameter of torsion effect of structures considering seismic action in two directions simultaneously ; for the structures with regular plan and elevation and with eccentricities in two directions due to irregular mass layout, the ratio of relative eccentricities in two directions and the angel of them can be take as the parameters of torsion effect of structures considering seismic action in two directions simultaneously ; it is indicated by the analysis results that the torsion effect has no dependency relation with re - entrant corner ratio adopted in code for seismic design for buildings as

    所取得的主要結論有:結構的扭轉效應與《抗震規范》所採用的扭轉不規則指標即心扭轉角之間的相關性較心扭轉角不宜作為判斷結構是否計及扭轉效應及需考慮雙向水平地震作用的界定指標;對于樓層間均勻心的多層單向心結構,建議採用相對心距作為需考慮雙向水平地震作用的界定指標,並給出針對不同平面尺寸的界限相對心距;對于樓層間均勻心的多層雙向心結構,建議採用兩個主軸方向的相對心距及其夾角作為界定指標,結合單向心結構的界定方案進行需考慮雙向水平地震作用的結構范圍界定;凸凹不規則結構的扭轉效應與凸凹比例無正相關關系, 《抗震規范》要求所有平面布置不對稱的凸凹不規則結構計及扭轉效應的規定欠妥當,建議凸凹不規則界限值從30改為15 ,只要求分析採用空間模型比較合適; 《抗震規范》關于有效樓板較小的結構需計及扭轉效應的規定很有必要,樓板局部不連續的結構需採用符合樓板實際剛的計算模型予以分析,可使用相對心距(及其夾角)參照單向(和雙向)心結構的界定方案,界定樓板局部不連續結構是否需要計入雙向水平地震作用下的扭轉效應。
  14. After analyzing and studying the characteristics of the sequence generation of grey system theory, this paper proposes the concept of three - dimensional data sequence, extends the grey system theory from one - dimensional data sequence to three - dimensional data sequence and enlarges the application range of the theory in engineering. this paper also proposes a decomposition coefficient selection method and a partial concave - convex characteristic decision method to the preference generation, which can solve the problem that the internal point generated by the original method was inconsistent with the actual system. considering the errors existed in ends generation with step ratio and smooth ratio methods, the author proposes a tendency average generation and improves the quality of the generation greatly

    灰色建模與逆向工程兩者有其十分相似的內在關系,本文通過學科交叉,深入研究兩種不同學科理論,在繼承灰色系統理論這一我國原創性理論思想的基礎上,補充和豐富了新的內涵並將其滲透到逆向工程中的數據測量與數據處理技術的應用之中,使機械工程中甚少應用的這一灰色系統理論得到了進一步的拓展,主要成果如下: 1 .分析研究了灰色系統理論中序列生成的特點,提出了三維數據序列的概念,將灰理論的一維數據序列拓展到三維數據序列,拓了灰理論在工程中的應用范圍;提出了有生成演算法中生成系數分解選取方法和數據序列點局部凹凸特性決定生成系數的方法,解決了原有方法生成內點與實際系統不一致的現象;針對級比和光滑比用於生成端點有較大誤的情況,提出了趨勢均值生成演算法,大大提高了端點生成的精
  15. The frequency offset estimation algorithms for gmsk signal are also discussed and a frequency offset estimator with larger estimation range and higher accuracy is proposed. two kinds of synchronization structures are compared with each other. at last, the synchronizer described above and a differentially coherent demodulator compose a blind gmsk receiver

    其次,基於對目前gmsk信號盲載頻估計方法的分析和比較,根據第五章提出的頻估計思想,提出一種估計范圍、高精的gmsk信號頻估計方法。
  16. Broadband source location method is investigated by using signal - phase - matching principle, and simulations and experiments are carried out to show the validity of the method ; two high resolution algorithms of broadband signals are proposed, which are the dft interpolation algorithm and the frequency invariant beam space algorithm. the proposed algorithms have no requirement for prior information of source locations, so the results of doa estimation can be unbiased ; a method of temporal - spatial averaging, which can improve the performance of doa estimation for uniform linear arrays, is given. this method can be applied in the most narrowband or broadband eigen - structure based high resolution algorithms

    提出了利用信號相位匹配法的帶信號方位估計方法並從模擬和實驗兩方面對其進行了驗證;提出了基於dft插值的和基於頻率不變響應波束域的兩種帶信號高分辨方位估計演算法,這兩種方法在進行方位估計時均不需要進行方位預估,從而避免了因角預估可能帶來的估計;最後提出了一種提高均勻線列陣方位估計性能的時空平均法,該方法可適用於多數窄帶或帶的特徵結構類高分辨方位估計演算法中。
  17. Dimensions, shape and tolerances for cold - rolled steel strips with a width less than 600mm

    小於600mm冷軋鋼帶的尺寸外形及允許
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