縮小比值 的英文怎麼說

中文拼音 [suōxiǎobǐzhí]
縮小比值 英文
scalage
  • 縮 : 縮構詞成分。
  • 小 : Ⅰ形容詞1 （體積、面積、數量、強度等不大） small; little; petty; minor 2 （年紀小的; 年幼的） youn...
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 縮小 : reduce; lessen; narrow; shrink; reduction; contraction; minification; diminution
  • 比值 : specific value; ratio比值法 ratio method; 比值計 ratio meter; 比值檢波器 ratio detector; 比值控制...
  1. This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導，對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計，對主噴嘴和測量噴嘴的不同組合，將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計，並通過實驗驗證了理論推導，從而使氣動測量系統量程的示值范圍達到40 m ，靈敏度達到100mv m ，解析度達到0 . 05 m ，測量不確定度小於0 . 2 m ，滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。
  2. Through the experimental research, we think : the technological capacity of fiberglass asphalt macadam if weaker than asphalt macadam, however, if use elasticized capacity to solve blending technological problem. adjust the breed of fiber silk, extend its diameter, its paving capacity is still worth exploring, asphalt - rubber macadam structure lager have good deformed - become capacity and crazed - resistance capacity, small gap rate. good water - resistance capacity, good hot - stability and simple construction technology. therefore. pitch rubber spall is a good cover material which is suitable for the second class or lower whose asphalt pavement has split open because of fatigue. and is the good structural measure of preventing half - rigidity grass - roots unit shrink - rift reflecting. pave a thin layer of pitch rubber spall between asphalt - type pavement layer and half - rigidity basic level, although the cost of building is higher than paving togongbu in the middle, the construction technology, crazing - resistance and water - resistance are better than togongbu, not only could reduce greatly the reflex of half - rigidity grass - roots unit material, long then the use lifespan of pavement, but also it is possible to reduce suitably the thickness of asphalt mixture layer, though the cast of building in the early days becomes more, in the long - term opinion, it have fully important technological and economical significance

    通過試驗研究認為：玻璃纖維瀝青碎石的技術性能不如瀝青碎石好，但路用彈性性能較好，如能解決拌和工藝問題，調整纖維絲的品種，增大其直徑，其路用性能仍值得探討，瀝青橡膠碎石結構層具有變形性能和抗裂性能良好，空隙率小，防水性能好，熱穩定性較好，施工工藝簡單的特點，因此，瀝青橡膠碎石是二級及二級以下公路因疲勞而開裂的瀝青路面的良好罩面材料，也是防止半剛性基層收縮裂縫反射的良好結構措施，在瀝青類路面面層和半剛性基層之間夾鋪瀝青橡膠碎石薄層，雖然造價比夾鋪土工布高，但其施工工藝，抗裂性能和防水性能均優于土工布，不僅可以大大減少半剛性基層材料的反射裂縫，延長路面使用壽命，而且可能適當減薄瀝青混合料面層的厚度，雖然初期造價有所增加，從長遠來看，具有十分重要的技術和經濟意義。
  3. " electronic 1c chip drawing system " provides many functions such as " modify the position of the component ' s diagram " " modify the color of the component ' s diagram " " magnify and minify the component ' s diagram without distortion " " change the type of drawing line " " edit some physical properties of the component " " copy and paste diagram of one component " " delete one or more component diagrams " " move more than one components " positions " " change the z _ order of the diagram, set it to back or bring it to front " " save the drawing of the electronic components to one file and the file extension name is *. brd " " print the drawing ". users can finish all these functions easily by clicking and dragging the mouse

    電路板元器件繪制系統主要完成了使用鼠標拖拽、鼠標點按的方式繪制電路板上各種常見的元器件圖形；編輯電路板上元器件圖形的位置；編輯元器件圖形的顏色；不失真的對器件圖形進行放大和縮小；編輯元器件圖形的線型；編輯電路板上各個器件的物理屬性（比如電阻的阻值大小、電容的容量大小、額定電壓等） ；復制已經繪制出的電路板上的器件；粘貼剪貼板上的器件；刪除單個或多個已經繪制出的器件圖形；同時改變多個器件圖形的位置；改變繪制區內各個元器件的zorder順序，也就是可以將層疊在一起的圖形置前或置后；把繪制的電路板器件圖保存到指定文件中；能打開、查看和修改保存的電路板器件圖；列印電路板器件圖。
  4. The investigation shows the performance gets quite insensitive to the prewhirl angle of igv as the stagger angle of diffuser vane is reduced to the minimum 7 ; the combination of these two stators enables to greatly improve the compressor efficiency over the entire operating rage, the maximum efficiency with the combined adjustment reaches 86. 0 %, higher than that in alone adjustment of igv or diffuser vanes by 2 %

    研究表明：擴壓器進口安裝角最小值為7時，壓縮機性能對進口導葉預旋角不敏感；採用不同的擴壓器進口安裝角和不同進口導葉預旋角匹配調節時，壓縮機所能達到的最高效率為86 . 0 % ，比單獨調節進口導葉預旋角或擴壓器進口安裝角所能達到的效率高2 % 。
  5. So this part is dealt with separately. dcpm method is employed to improve the quality of image coding with making full of the relativity of the wavelet coefficients. according to the different importance degree and vision character of the high frequency wavelet coefficients, different thresholds are applied to remove small coefficients ; then mannos module are applied to remove the visual redundancy ; in order to produce more zero - tree, horizontal and vertical wavelet coefficients are transformed accordingly to improve the compression ratio

    對于小波變換后的小波系數的高頻部分，根據其分佈特性和人眼的視覺特性，採用視覺模型對零樹量化過程的閾值進行修正，有效地去除視覺冗餘；對各高頻子圖採用多級樹集合分割的零樹編碼方法，有效地利用系數編碼剩餘符號，進一步提高壓縮比。
  6. Volume shrinkage of sample results in the increasing of the value of the crystallization rate vc and the decreasing the values of the avrami exponent n in the primary crystallization and s, defined as the relative crystallinity degree when experiment data deviate theoretical predicting straight line. compared with the avrami equation, the price equation hardly makes progress on describing the behavior of polymer later stage crystallization

    樣品體積收縮，導致avrami指數n值減小；結晶速度v _ c值增加；表示實驗值偏離理論預測直線時的相對結晶度_ s值減小；與avrami方程相比， price方程仍不能較準確地描述高聚物等溫後期結晶行為。
  7. The experiment results from practical multispectral images have shown that this algorithm is efficient. if the original image is reconstructed by five eigen subimages, the nearlossless compression ratio is above 11 for the data used in this paper and the psnr is more than 45db

    實驗結果表明，對機載64波段多光譜遙感圖像進行k - l變換和整數小波變換后，選用五個本徵子圖像重建原圖像，壓縮比可以達到11以上，峰值信噪比則超過45db ，取得了其它方法無法獲得的效果。
  8. When the frequency approaches zero, the factor approaches zero correspondingly ; 2 ) the amplitude of interaction factors changes with the incident angle of rayleigh waves and reaches maximum when is zero. moreover, with the increase of, the wave period shortens apparently ; ( 3 ) the amplitude of interaction factors decreases as the pile spacing increases and approaches to zero when the pile spacing is 15 ; 4 ) the amplitudes of interaction factors increase clearly with the increasing stiffness ratio of pile to soil ; 5 ) the lat eral seismic response of fixed - head pile groups is much smaller than that of free - head pile groups. moreover, the pile - group effects induced by rayleigh waves can be neglected ; 6 ) the lateral seismic response of piles at different location differs from each other

    得到了以下結論： 1 ）樁的相互作用因子隨頻率呈周期性變化，在振動頻率比較低的情況下，樁的橫向相互作用因子也較低，當頻率趨近於零時，相互作用因子也趨近於零； 2 ）樁的相互作用因子的幅值隨瑞利波入射角度的變化而變化，在= 0情況下幅值最大，且隨入射角度的增加，波動的周期明顯縮短； 3 ）樁的相互作用因子的幅值隨著樁與樁間距的增加而減小，至s d = 15時，樁的相互作用因子基本趨近於0 ； 4 ）在頻率比較低時，相互作用因子幅值隨樁土相對剛度比的增加而顯著增加； 5 ）樁頂固接可以有效地降低群樁的橫向地震響應幅值，由瑞利波產生的群樁效應可以忽略不計； 6 ）群樁中不同樁位的樁的橫向地震響應是不同的，每根樁所在的樁位對其橫向地震響應有很大的影響；刀樁數的增加並不能減小樁的橫向動力響應。
  9. To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed

    利用集成a / d 、 d / a轉換器的新型晶元aduc824 ，實現了電流（電壓）采樣?數據處理?電流控制的閉環控制結構；地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題；控制信號反相的同時進行幅度壓縮，使得輸出調整電壓的解析度提高；根據常規的比例?積分?微分（ pid ）調節模型，針對陀螺系統的特性，給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法；不同條件下系統穩流性能的對比、分析在論文最後給出，並據此找出了決定該系統穩流精度的關鍵因素，提出了系統的改進意見。
  10. And the value drop to the lowest at ph = 0. 8. as the increase of heat treatment temperature, the pore size distribution peak of sio2 microspheres is very narrow, meanwhile the specific surface area is the smallest before 160 c. the polymer template is removed at 350 c, so the pore structure of sio2 particles has a big change which involve the increase of specific surface area and the broaden of pore size distribution peak. with the continuous raise of temperature the sio2 network will shrink little, as a result the average pore size will decrease, but the specific surface area has no obvious change

    結果發現：二氧化硅膠體顆粒均勻分佈於脲醛聚合物網路中，煅燒去除有機模板后微球表面變粗糙，而粒徑沒有明顯變化； ph值較小時，復合微球中聚合物含量較大，而ph值較大時，得到復合微球結構鬆散，因此熱處理后的二氧化硅微球孔容及平均孔徑都較大，而在ph = 0 . 8時，得到最小值；武漢理工大學碩士學位論文隨著熱處理溫度的變化，小於160時，空分佈較窄，而比表面積較小，在350時，由於有機模板的去除，微球孔結構發生突變，比表面積明顯增大，而孔徑分佈變寬，溫度繼續升高時，二氧化硅網路發生收縮，平均孔徑變小而比表面積由於有機炭化物的完全去除沒有太大變化;微球中的微孔在熱處理過程中處于平衡狀態，分佈沒有太大變化。
  11. In this thesis, hypersonic sidewall compression inlet ' s self - starting characteristics are numerical simulated and tested. with increasing mach number of inflow gradually, the hypersonic sidewall compression inlets can self - start. compared with the hypersonic sidewall compression inlet starting directly, characteristics are different. moving cowl, decreasing interior contraction ratio also can realize the hypersonic sidewall compression inlet ' s self - starting because of separation bubble on sidewall spilling out

    其次，在數值模擬結果的基礎上，設計了實驗模型和裝置並在馬赫3 . 85的風洞中進行了移動唇口板減小內收縮比實現側壓式進氣道自起動的風洞實驗，驗證了數值模擬的結果。
  12. For the walls poured by ordinary concrete, the emm and ttm obtain the same qualitative conclusion, despite of some discrepancies in the specific value. but for the walls poured by the scc, the restraining stress calculated by the emm is remarkably smaller than that by the ttm. in other words, the emm results shows that the shrinkage compensation technology can take place the measures of setting dilatation joints, while the ttm results indicates that, though the restraining stress is decreased, the decreased amplitude is inadequate

    對計算結果的比較和分析表明，對普通混凝土墻，結果的具體數值有差異，但反映的定性規律相同；對補償收縮混凝土墻，結果差異巨大，等效模量法認為補償收縮技術可實現無縫設計，而時程方法在承認補償收縮技術可減小約束應力的同時，認為應力減幅還不足以實現無縫設計。
  13. All the results of axial and radial deformation measurement by digital image processing technique and those by traditional method are compared. the differences of the soil parameters on duncan and chang ' s nonlinear model made by these two methods are analyzed. finally, a compress test results and fem results are provided to show the reasonability and veracity of digital image processing technique to study the soil stress - strain characteristic in triaxial test

    （ 2 ）三軸試驗土樣局部變形研究：首先定量比較了三軸試樣沿高度方向不同位置的局部變形（局部徑向變形與局部軸向變形）大小，分析了三軸試樣局部變形的特點和影響因素；然後把三軸試樣數字圖像測量結果與傳統測量結果進行比較，以鄧肯張非線性模型為例進行了模型參數的整理，分析了兩種不問測量方法引起的參數差異：最後用原型壓縮試驗對比有限元數值計算結果，驗證了數字圖像測量方法得到的三軸試驗土體應力應變參數的合理性和準確性。
  14. The formula shows that the deflect degree first increases, then decreases, and its maximum increases while the compress rate decreases

    分析表明，斜交橋下的水流流向偏轉角度隨斜交角度的增大先增大后減小，其極大值隨壓縮比的減小而增大。
  15. The smaller the ratio of nh3 / teos is more helpful for the synthesis of samples. the contraction from calcination of samples obtained in eda medium is proporational to the ratio of eda / teos at room temperature. the samples obtained in mixed basic media ( naoh / tea ) have thicker wall and more thermal stability than in naoh medium, but pore size is smaller correspondingly

    氨水介質中， nh _ 2 teos值在（ 8 ， 25 ）之間越小，越有利於mcm - 41的室溫合成；室溫條件下eda介質中得到樣品的燒成收縮量與eda teos的值成正比;與naoh介質相比，混合介質（ na0h三乙醇胺）中水熱合成的樣品具有較厚的孔壁，有著更好的水熱穩定性，但同時孔徑相應較小。
  16. Through the theoretical calculation and parameter analysis and compared the result with general composite beam, the results show that the section stress redistributed by the effects of concrete shrinkage and creep and tensile stress by difference temperature will be greatly reduced. the forcing characteristic of this

    通過理論計算和有限元參數分析，與常規組合結構進行對比，驗證了預應力波形腹板組合結構具有大大減小徐變引起的應力重分佈及溫差和收縮效應在混凝土板產生的拉應力值、對加載齡期和持荷齡期不敏感的特點，結構受力性能非常優越。
  17. We firmly believe in the principle of small government. in the long term, we need to simplify our organisational structure, curb government spending and progressively lower the proportion of public expenditure to gross domestic product

    我們相信小政府原則。長遠來說，政府必須簡化架構，壓縮開支，逐步降低公共開支在本地生產總值中所佔的比重，以利發揮市場機制的作用。
  18. Through anatomizing ezw coding algorithm and taking the effects of human being ’ s vision characteristics on quality of reconstituting image. a improved zeretrees algorithm are put forward. at last a new image compression encoding algorithm based on wavelet transform and vector quantization is put forward. the experiment show, in very low bit rate, using the proposed algorithm, the reconstructed image is superior to that of ezw in both of perception and psnr

    最後，在小波樹的基礎上，通過對矢量量化的研究，本文提出了一種基於四叉樹結構新的小波樹矢量量化壓縮編碼演算法，實驗證明，在較高壓縮比的情況下，使用此方法得到的重構圖象質量（視覺效果和峰值信噪比）比通常的小波壓縮演算法有了較大的提高。
  19. Finally, the two dimensional flow in the diffuser is calculated, the results show that the change of ma makes an effect to the performance of the diffuser. owing to the accretion of ma, the action of oblique shock waves and the boundary layer pricks up, the flow separates from the wall where the shock waves impinge on the boundary layer more quickly, the cluster of diamond shock waves becomes larger. moreover, by comparing the change of flow field under different structure parameter, it is found that the augment of length of constant area section alter the structure of fluid field little, a smaller area ratio and larger angle of compression section make the diffuser working better

    最後，針對擴壓器中的二維流場進行了數值模擬，結果表明馬赫數對擴壓器性能影響較大，隨著馬赫數的增大，擴壓器管道內激波-附面層干擾加劇，流動從附面層分離相應加劇，激波串數目增多;通過比較不同結構參數下的擴壓器內流場，發現等直段長度的變化幾乎沒有改變流場結構，只是對局部流場稍有影響，並且在其它參數不變的情況下，一定范圍內減小面積比a2 / a1和增大收縮角有利於擴壓器性能的提高。
  20. In the first part the wavelet analysis theory is systematically summarized in the perspective of signal analysis and digital signal processing. in succession, the excellent of the wavelet image coding techniques are introduced with the focus on the ebcot coding algorithm. at the last part, aiming at the properties of hyperspectral images, three compression schemes are presented : dct + ebcot, differential method + ebcot and predictive method + ebcot

    文中首先從信號分析和數字信號處理的角度對小波分析理論進行了系統的總結，在此基礎上介紹了基於小波的圖像編碼技術的優秀成果，重點介紹了基於小波的ebcot編碼演算法，接著，針對高光譜圖像的特徵，本文提出了以下三種壓縮方案： dct變換+ ebcot的壓縮方案、差值法+ ebcot的壓縮方案及預測法+ ebcot的壓縮方案，對三種壓縮方案進行了軟體模擬，並將模擬結果與其它壓縮方案進行了比較。
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