特徵時間尺度 的英文怎麼說

中文拼音 [tèzhǐshíjiānchǐdù]
特徵時間尺度 英文
characteristic time scale
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 徵 : 名詞[音樂] （古代五音之一 相當于簡譜的「5」） a note of the ancient chinese five tone scale corre...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 尺 : 尺名詞[音樂] （中國民族音樂音階上的一級 樂譜上用做記音符號 參看「工尺」） a note of the scale in ...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 特徵 : characteristic; feature; properties; aspect; trait
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. This paper use the ncep / ncar day - to - day reanalysis data of 500hpa high field and so on, choose ural mountain, baikal, okhotsk as the key district, the mid - high latitude of eurasia circulation courses that have long duration ( scale of time is middle, namely during 10 - 30 day ), maybe continue continuously after being intermittence of 1 - 2 days in middle, appear repeatedly is for research object, define an index " i " of the circulation pattern over mid - high latitude of eurasia. a method is proposed to identify the summer typical persistent circulation pattern at 500hpa levels over eurasia mid - high latitude. the climate characteristics of those typical persistent circulation patterns are studied

    本文利用ncep / ncar再分析逐日500hpa高度場等資料，選擇烏拉爾山、貝加爾湖、鄂霍次克海這三個地方作為關鍵區，以夏季歐亞中高緯度持續時間長（時間尺度屬于中間時間尺度，即10 ? 30天之間） 、中間可能會間歇1 、 2天然後又繼續持續、反復出現的環流過程為研究對象，定義了一個夏季歐亞中高緯流型指數，在此基礎上提出了一種對夏季歐亞中高緯500hpa典型持續流型的界定方法，研究了典型持續流型的氣候特徵，分析了流型指數的年代際變化，以及對應不同階段、不同流型的降水場、加熱場、海溫場等的主要特徵。
  2. Wavelet transform, which has a multi - resolution analytic character, is a time - scale ( time - frequency ) analytic method of information. moreover, as both of its time - window and frequency - window can be changed it processes the ability of expressing local characters of information in time - frequency domain

    小波變換是一種信號的時間尺度（時間頻率）分析方法，它具有多解析度分析的特點，而且在時頻兩域都具有表徵信號局部特徵的能力，是一種窗口大小固定不變但其形狀可改變，時間窗和頻率窗都可以改變的時頻局部化分析方法。
  3. Meso - scale atmospheric diffusion patterns and time scales over beijing area

    北京地區大氣中尺度擴散模態和時間特徵分析
  4. Eigenvalue problems for second - order dynamic equations on time scales

    時間尺度上二階動力方程的特徵值問題
  5. The application of the b - spline wavelet analysis method to series of climate and external forcing factors is introduced. using lag - correlation analysis method, interpretative variances analysis method, phrase comparing method to the wavelet analysis result, we not only gained the variation at different scales of the global temperature and el nino signals, the location of the jump points and latent scale of these series, but also indicated the magnitude, extent of the effect of external forcing factors on them

    利用小波分析方法，輔之以滯后相關分析解釋方差分析及位相對應比較方法，得到了氣溫變化及enso活動在各尺度層次上的變化，突變點位置及特徵尺度，並確定了太陽活動火山活動和溫室效應等外強迫因子對氣溫及enso的影響尺度幅度及響應時間。
  6. In order to avoid the limit of the uncertainty relation, we will compare the classical and quantum in the ensemble kinesis - levels. there is a time scale te. in thequantum ensemble distribute corresponding to the chaotic character of the ensemble distribute in classical phase space, if t > te, the quantum effect will restrict the increase of the degree of ensemble distribute irregularity

    為了不受量子力學中不確定關系的限制，在系綜運動層次上對經典和量子動力學作比較，得到經典系綜相空間分佈的混沌特徵，在相應的量子系綜分佈的運動中存在一個時間尺度t _ e ，當t t _ e時，量子效應使得系綜分佈不均勻度得增長受到抑制。
  7. And non - fourier heat conduction is encountered. when the wavelength of the heat carrier is comparable to the characteristic length of the structures, or the time of heat conduction is shorter than that required for reaching the state of thermal equilibrium, the heat conduction has wave characteristics

    當載熱體的微時間尺度與能量激發特徵時間相比擬時，或者傳熱發生的時間比達到熱力學平衡態所需的時間短時，熱傳導就可能出現波動性質。
  8. Characteristic timescales and temporal - spatial changes of the subtropical high over the northern pacific in summer

    夏季北太平洋副熱帶高壓年際變化的特徵時間尺度及其時空演變
  9. Detailed diagnoses is made on a heavy - hard rain in the northeast qinghai - xizang plateau using ncep data of 1 x 1 with 6h intervals, more complete and integrated conventional observational data and the data set of automatic meteorological stations in plateau and new generation doppler radar data and satellite images and etc. the following conclusions can be drawn : 1. the distribution of heavy - hard rain, which is characteristics of valley topography in northeast qinghai - xizang plateau is obviously effected by topography. the distribution of yearly mean precipitation and the frequencies of heavy - hard rain in this area are descending from east to west

    本文首先利用ncep時間間隔為6小時的1 1的格點資料、更全面、更為完整的常規探測資料和高原地區布設的自動氣象站資料、新一代多卜勒天氣雷達資料、衛星雲圖資料等對高原東北部地區大到暴雨的天氣、氣候特徵及大尺度環流背景進行分析，形成對高原暴雨的整體認識，並為以後的數值模擬提供大尺度環流背景及依據，分析中發現： 1 、高原東北部地區大到暴雨的分佈明顯受到地形影響，年降水量和大到暴雨次數自東向西呈階梯性遞減趨勢，分別在高原東北部的外流河谷地區和四川北部地區存在大值中心。
  10. With the rapid development of space geodetic techniques at recent 20 years, the new space geodetic data and new analytical techniques inaugurate the new route to monitor and study crustal motion and dynamicvariety of global tectonic plate in this paper we present the current characteristics of global tectonic plate in short time scale and crustal deformations of regions mainly based on gps data （ incorporating few data of vlbi and slr ）

    隨著近二十多年空間大地測量技術的迅猛發展，開辟了監測和研究地殼運動和全球構造動態變化新途徑。本文主要利用gps資料（附加少量的vlbi和slr資料） ，研究較短時間尺度全球板塊構造現今運動特徵和區域性地殼形變。
  11. Thirdly, decrease the difficulty of the character recognition through studying the method of character preprocessing ; at last, some effective methods of feature extraction, such as the one based on image transform with the invariant features which keep stable while the picture move, rotate and zoom in or out, and the other focused on the shape of character and features of direction

    三、深入探討了字元識別的預處理方法，減少字元識別時的運算量和難度。四、討論了三種特徵向量的提取方法，一種是基於平移、旋轉和尺度不變性的圖像變換法，一種是計算中心矩的方法，再就是強調字元形狀和結構的方向特徵量提取法，實驗中通過最小距離法進行字元的分類識別，匹配時間少，識別率有所提高。
  12. Several influence factors to result plasma drift in hainan were analyzed. in this paper the characteristics of ionospheric parameters variation were analyzed systematically and some new results in storm - time such as seasonal behaviors were obtained ; it is the first time to investigate the ionospheric drift behavior in hainan and some new results was obtained, the relationships between each two plasma drift velocity components in storm time in hainan were found and the electric filed variation in hainan ionosphere also was obtained ; the results also show that there are big differences of the ionosphere parameters bo and bl obtained from the data with that obtained from the iri - 2001 applied for hainan ; a new phenomena was found during a strong magnetic storm, that a layer with very strong electron density and density grad was found during the recovery phase of the storm, its horizontal scale is beyond 100km and temporal scale is about 2 hours, this phenomena repeated 3 times continuously. a type of negative disturbance in high and low latitude but positive disturbance in east - asia also has been found

    本文較為系統地給出了海南地區電離層的參數變化特徵，特別是得到了一些暴時與以往不同的季節特性；第一次給出了海南地區的電離層等離子體漂移特徵，發現等離子體漂移暴時擾動在三個方向上有內在的聯系，得到了電場變化曲線；研究結果還表明海南電離層的半厚指數和形狀參數等與國際參考電離層iri - 2001存在很大差別；通過對強磁擾動事件期間的參數變化特性分析發現，在磁暴恢復相期間海南地區電離層底部存在一個電子密度非常大的高密度區，高密度區底部電子密度梯度隨高度急劇增加，該區域的水平尺度可達100公里以上時間尺度約為2小時，連續出現過三次，這是一個在海南從來未發現的新現象；研究還發現了暴時東亞地區電離層擾動會出現高低緯負相而中緯正相的現象。
  13. Multiple time - scale characteristics of flow variations in the middle huolin river and corresponding effects analysis

    霍林河中游徑流量序列的多時間尺度特徵及其效應分析
  14. Fourier transform method use high order frequency to analyse and imitate nonlinear and non - stationary data. emd method based on local characteristic time scale of the data is more fit to analyse nonlinear and non - stationary data than fourier transform method

    Emd基於信號的局部時間特徵尺度分析原信號，克服了傅里葉變換用高次諧波頻率分量擬合非線性、非平穩信號的缺點。
  15. By using ncep / ncar reanalysis data of monthly mean geopotential height of 500hpa, monthly mslp, monthly mean surface temperature and monthly mean temperature in heilongjiang province, temperature variability of different time scale, simultaneous & previous general circulation is studied with method of diagnostic analyzing of extreme cold or warm in heilongjiang province, and predictive relationship has been developed by using method of screening regression and ssa - mem as well

    本文採用ncep ncar再分析500hpa高度、海平面氣壓、地面溫度資料和黑龍江月平均溫度資料，利用診斷分析方法研究了黑龍江月平均溫度的不同時間尺度變率，異常暖、冷的同期和前期環流特徵，並進行了逐步回歸和ssa - mem方法預報試驗。
  16. The 40 - 50 years periodic change divides the temperature variation into three main cold and warm vicissitudes of the last 50 years, which include the warm period before mid 1960s, the cold period from later 1960s to 1980s and the warm period after the 1980s ; ( 2 ) the precipitation variations in heilongjiang province have multi - time scale and jump characteristics

    近50年來黑龍江省的氣溫變化在40 55a尺度上表現為兩個暖期和一個冷期，它們分別是60年代中期以前的偏暖期， 60年代後期到80年代的偏冷期和80年代以後的偏暖期：黑龍江省的降水變化也具有多時間尺度特徵和突變特徵。
  17. Based on the longtime hydrological observation records during the years from 1956 to 1995, properties of precipitation of weihe basin in shaanxi province of different time scale ( including month, year and decade scale ) is analyzed by the method of contrasting properties, correspondingly change characteristics of runoff are also discussed by means of statistics, hence response relationship between runoff and precipitation is revealed, and the main reasons affecting amount of runoff are pointed out

    摘要根據1956 - 1995年的實測水文資料（降水和河川徑流量資料） ，採用特徵值對比方法，對陜西省境內渭河流域不同時間尺度內降水特徵進行分析，並對流域內多年徑流變化也做了相應的統計分析，從而揭示河川徑流對降水變化的響應關系，並確定出河川徑流變化的主要原因。
  18. The comparisons of analytical solutions of the model with numerical simulations of the nnlse show that the model is of excellent accuracy in the case of strong nonlocality and is still valid even if the characteristic length of the material response function approaches about three times of the total spatial extent occupied by the two beams

    數值解與解析解的比較結果顯示：在強非局域條件下我們所獲得的nnlse的簡化方程是十分精確合理的；當介質響應函數的特徵寬度約為光束所佔空間尺度的3倍時，我們推導的簡化方程依然適用。
  19. The results show that the correlations between e1 nino and the temperature and precipitation in heilongjiang province have multi - time scale characteristics ; ( 1 ) the correlations between sst in nino3 and temperature in heilongjiang province are negative as a whole, but their correlations are evidently different according to different time scales ; the correlations between the temperature and southern oscillation index ( soi ) are positive in annual - scale periodic changes and negative in decades periodic changes

    結果表明，厄爾尼諾事件與黑龍江省氣溫和降水之間的相關具有多時間尺度的特徵；黑龍江省的氣溫與nino3區海溫總體上表現為負相關關系，但是對于不同時間尺度，兩者的相關關系又有明顯的差異；與南方濤動指數在年際尺度周期上表現為正相關，年代際尺度周期上表現為負相關關系。
  20. Wavelet analysis and kalman filter forecasting model on annual mean temperature in zhanjiang

    湛江氣溫的多時間尺度特徵及其變化趨勢預測
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