相對幅度 的英文怎麼說

中文拼音 [xiāngduì]
相對幅度 英文
relative amplitude
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : Ⅰ名詞1. (布帛、呢絨等的寬度) width of cloth 2. (泛指寬度) width; size 3. (姓氏) a surname Ⅱ量詞(用於布帛、呢絨、圖畫等)
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  • 幅度 : range; scope; extent; [古詞] latitude; breadth; [數學] argument; [電學] amplitude
  1. The model of the itr between a1n and cu is built by using the acoustic mismatch model, amm and diffuse mismatch model, dmm. because there is a limit of roughness and temperature in amm and dmm, the data of the theory model that is directly built by amm and dmm is far from the experimental data. accordingly, with dmm and traditionary methods, the mathematics model is posed by contrast and analyses of the experiment data

    由於聲失配理論和散聲失配理論和粗糙有很嚴格的要求,所以直接建模所得的理論數據與實驗數據有很大的差距,本文採用聲失配理論與傳統研究方法結合,通過與實驗數據的分析擬合,提出了修正的數學模型,預測誤差有了大的提高。
  2. To corner feature, both gradient magnitude change and direction change of gradient vector are discontinuity in a local image neighborhood, hence gradient - direction variation and gradient magnitude are used as another decision rule of the corner detection to improve antinoise

    為了提高抗噪聲,根據角特徵不僅灰變化是不連續的,且周圍其他點的梯方向也是不連續的,提出利用梯角變化和梯值作為角特徵檢測的另一個準則。
  3. This and the x - ray spectrum, which exhibits a high concentration of iron atoms relative to oxygen and silicon, convincingly show that the ejecta are the remains of an exploded white dwarf star

    圖連帶x射線光譜(顯示出了鐵氧與硅的高集中)令人信服地說明,拋出的物質是爆發白矮星的殘余。
  4. It is difficult to test the moving - load - induced dynamic vertical displacement of a floating bridge, because the vertical displacement of a floating bridge consists of the contributions from the structural deformation, the variations of the gaps between the pontoons and the variation of the draught, and it is much larger than that of an immovable bridge

    摘要通載浮橋的動態位移,由於其位移于固定橋要大得多,而且其垂向位移是由結構變形、間隙變化以及吃水變化等多種因素引起,一般難以其進行動態位移測試。
  5. Conclusion macrosomia do not correlate with glucose values of their gtts in pregnant women with normal gtts but are associated with maternal body habitus and the increasing of uterine height, abdominal perimeter

    結論于糖耐量正常的孕婦,巨大兒的發生與糖代謝無關關系,而與孕婦的身高、體重及宮高、腹圍的增長有關。
  6. Compared with the state after exercise immediately, the decreased extent of blood locate concentration was higher than that on no - o2 intake group, but there was no significant difference. which showed that hyperoxia 02 intake might have no significant effect on the recovery of the blood locate

    6同運動即刻時比,吸氧后機體血乳酸濃降低的要比不吸氧組要大,但不具顯著性,表明:吸氧機體的血乳酸的恢復可能並不明顯。
  7. So vast an increase in the rest of the world ' s relative gdp is infeasible

    世界各國gdp如此大增長是不現實的。
  8. With the pressure in the simulated right ventricle ( srv ) and simulated left ventricle ( slv ) kept constant ( standard pressure condition for model iii ), each step of pressure decrease in the scc from 0 mmhg to - 5 mmhg, the sivs moved leftwards ( to the slv direction ) in a corresponding position and from 0 mmhg to + 5 mmhg, the sivs swung left - and rightwards at amplitude of 2. 2 mm. effects of intrathoracic pressure change on the motion of ivs under the same simulated respiratory

    胸壓變化室間隔運動的影響當模擬右心室和左心室壓力一定時,模擬胸腔內壓力每一次下降(從到一smmhg人模擬室間隔均向左側移位;當模擬胸腔內壓力同,隨模擬右心室壓力的升高,模擬室間隔的運動增大,當模擬右心室壓力升高到與模擬人心室等時,模擬室間隔的運動達最大。
  9. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機燃燒室的冷卻通道設計為斜航線(等傾角螺旋線)槽形,可以大改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜,手工編制數控加工程序難大.為了解決數控加工程序的編制問題,研究了斜航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大,加工難大,是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗,研究了針該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功,其他似類型零件的加工亦具有參考意義
  10. Compared with non - passerine, they appeared longer syllable length, higher basic frequency and more viable frequency ranges. though the amplitude modulation properties enhanced their vocal production, the type of syllable is still stable and less of variety. so the phrase consisted of syllables are comparatively few and changes of the tone are relatively less

    且表現出很強的頻率調制特性和特有的調制特性,的音節時程比較長,基頻較高且頻率變化范圍較大,所特有的調制特性更增加了其控聲的能力,但其音節的種類仍很單一,缺乏變化,由音節所組成的句型較少,音調變化不大,因此,其叫聲質量盡管較非鳴禽有所改善,但鳴禽而言卻又遠遠不如。
  11. Setenaly according to the analyses from selected profiles, we know that, it is cold and dry in this region during the early holocene when east asian winter monsoon ' s influence is obvious, so, it is a transition period from sand deposit to sandy soil deposit, when the layers become thinner gradually from north to south. during middle holocene, it is warm and humid, influenced evidently by east asian summer monsoon, so, it is an obivious pedogenesis, when there are generally well - developped holecene palaeosol ( so ) from north to south, and the pedogenesis in the south is better than that in the north, the soil is also thicker than that of the north. from late holocene to now, the climate changes to be dry and cold, but its changing scope is smaller than that of last glacial period

    2 、就所選剖面分析來看,本區在全新世早期氣候回返,較寒冷乾燥,東亞冬季風影響較明顯,此時為沙層堆積向砂質土壤過渡,自北至南堆積的沙粒漸細;全新世中期氣候溫暖濕潤,東亞夏季風影響顯著,此時為明顯的成壤期,表現在自北至南普遍可見發育較好的黑壚土層,且南部的成壤作用比北部好,土壤的厚也要大;全新世晚期至今,氣候向乾冷方向轉化,但變化遠小於末次冰期。
  12. First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled

    首先在推導超聲控線陣換能器聲場的指向性的基礎上,就各個晶片幾何參數指向性指標(主瓣寬、旁瓣、消除柵瓣) 、聲壓值、陣元振動模式、陣元間互輻射、有效檢測區域、精確控制能力、近場長等方面的影響進行了論述,並在綜合各方面影響的基礎上,提出了晶片幾何參數優化設計的原則和方法,編寫了設計程序和界面。
  13. Based on the character of ultrasonic spectrum analysis, considering the affection of the circuit responsion of checking system, coupling state, position of checking transducer, this thesis established reasonable ultrasonic spectrum analysis method. using this method, several kinds of linear spectrum ( such as phase amplitude spectrum, phase power spectrum ) were researched and discussed

    本文根據超聲波頻譜分析的特點,綜合考慮了檢測電路響應、耦合狀況、探頭位置等因素的影響,制定出了一套合理的超聲波頻譜分析方法,並用此方法幾種線性譜(如譜、位功率譜等)進行了研究和探討。
  14. The main results indicated that : significant differences exist in diurnal average transpiration rate and the range of diurnal transpiration rate ; the transpiration rate of sawtooth oak, amorpha, lalang grass varied with a regular double apex rhythm, but that of the rest varied with a regular single apex rhythm, stomatal conductance play a maximal important role in transpiration rate, temperature ( air temperature, the earth ' s surface temperature ) also influence the transpiration rate ; transpiration rate has prominent negative correlation with the relative air humidity, the biggest coefficient is 0. 866

    筆者日照沿海防護林幾種主要木本植物和草本植物的蒸騰速率和環境因子的關系進行了研究,結果表明: 8種植物日平均蒸騰速率和蒸騰速率日變各異;麻櫟、紫穗槐和白茅的蒸騰速率日變換呈現出雙峰式的變化規律,其它5種植物蒸騰速率表現為單峰式的變化規律;氣孔導影響著植物的蒸騰速率,溫(氣溫、地面溫)是影響植物蒸騰速率的主要因子;空氣和蒸騰速率表現為顯著或極顯著負關,關系數高達0 . 866 。
  15. Fourthly, by an analysis of log - amplitude scintillation due to troposphere turbulent, it is shown that the relative humidity and temperature are the major factor impacted on log - amplitude scintillation, at microwave and millimeter - wave band

    第四,根據大氣湍流理論分析了在微波和毫米波波段影響閃爍的主要因素是大氣和溫
  16. 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,樁的橫向互作用因子也較低,當頻率趨近於零時,互作用因子也趨近於零; 2 )樁的互作用因子的值隨瑞利波入射角的變化而變化,在= 0情況下值最大,且隨入射角的增加,波動的周期明顯縮短; 3 )樁的互作用因子的值隨著樁與樁間距的增加而減小,至s d = 15時,樁的互作用因子基本趨近於0 ; 4 )在頻率比較低時,互作用因子值隨樁土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。
  17. The glitch may, in turn, reduce the relative magnitude, causing the output node of the input inverter to switch states

    此干擾脈沖反過來又減小(輸入信號)的相對幅度,造成輸入反器的輸出節點改變狀態。
  18. Abstract this paper investigated the window effects and the spectrum amplitude errors in hamming windowing spectrum analysis in detail and gave its compensation coefficients

    摘要主要以漢明窗為例,定量分析了窗函數引起的信號譜誤差,給出了相對幅度譜補償系數的理論值。
  19. Experimental constants include : ambient temperature 291k ~ 301k, rh 15 % ~ 21. 2 %, wind velocity 3. 2m / s at the nozzle position and horizontal to the spray fan, others are same as the fore experiment. the tendency of the two experiments results is consistent with the tendency from simulation. that indicate the improved shield spray is better than the original shield spray in reducing spray drift, and also more better than conventional spray without shield

    風洞試驗參數:噴霧藥液為含1 bsf的水溶液,風速1 . 4m s ,風向垂直於噴霧扇面,溫281k 288k ,rh9 20 ;室內試驗參數:噴霧藥液為含2 bsf的水溶液,噴頭處風速為3 . 2m s ,風向平行於噴霧扇面,溫291k 301k ,rh15 21 . 2 ;分別在噴頭下風向噴外的空中和地面布點收集飄失和飄移沉積的霧滴量,作為評價減少霧滴飄失效果的指標:試驗結果表明:改進后的罩蓋噴霧減少霧滴飄失的效果好於雙圓弧未開口罩蓋噴霧,常規無罩蓋噴霧的霧滴飄失量大於開口罩蓋噴霧。
  20. An atmosphere structure constant cn2 model, which varies with height, is presented based on itu - r amplitude scintillation model, existing itu - r optical cn2 model and meteorologic measurement relative humidity and temperature profile data, at 10 ~ 30ghz. the log - amplitude scintillation deviation calculated in terms of the cn2 model based on humidity and temperature vertical profile compare with values predicted by means of itu - r and ortgies model. it is emerged that the calculation results based on the cn2 model agree almost with prediction results by itu - r and ortgies model at 10 ~ 30ghz and there is an advantage that relative humidity and temperature varied with height has be considered in the cn2 model

    根據光波段的itu - rc _ n ~ 2模型, itu - r閃爍標準偏差模型,和溫隨高變化的氣象數據,在10 30ghz ,分析得到了大氣結構常數c _ n ~ 2隨高變化的模型;並根據溫和濕垂直分佈數據計算了閃爍_ x ,還與itu - r和ortgies模型的預測結果進行了比較,結果表明,在10 30ghz ,用該c _ n ~ 2模型計算的結果和用itu - r及ortgies模型預測的值符合較好,且在用c _ n ~ 2模型計算時考慮了溫隨高變化關系。
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