波型變化 的英文怎麼說

中文拼音 [xíngbiànhuà]
波型變化 英文
transformation of wave
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  1. For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field

    因此,對該區裂縫性儲集層的類識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當前裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵,提出了改進的基於盒維數的測井曲線網格覆蓋法,編程計算了裂縫性儲層段常規測井曲線(如聲和電阻率曲線)上分形分維值及其m指數值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可的m指數與聲和電阻率分維之積df _ acrt進行交繪,採用儲層分維值分類技術統計分析這些參數的規律,並結合qx油田l區塊儲層類經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類識別。
  2. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠地區的地物特徵,對高光譜數據不同段的數據質量、段組合進行了評價,提出了適用於荒漠監測的基本段選擇集;初步了解和掌握了研究地區的地物光譜特性及異規律,進一步明確了掌握地物光譜特徵和異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的段是進行荒漠監測的主要特徵段,這些段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠監測主要評價因子的定量反演模,並分析了模的適用性。
  3. Taking loess cave dwelling of yan an area as represen t area , the annual temperature wave inside the cave dwelling are solved under t he annual temperature wave of outside disturbance in yanan furthermore , by comparing with that of bungalows , the characteristics that warm in winter and cool in summer in cave dwelling are illustrated in quantity

    以延安地區黃土窯洞為模,以當地的室外年溫度為外擾,用反應系數法求解和分析了窯洞室內的年溫度;並與相同空間結構,相同外擾作用下的平房作了分析比較,定量的說明了窯洞與平房相比具有冬暖夏涼的優點。
  4. Firstly, second harmonic component ratio and dead angles of two phase inrush ' s dispersion in three - phase transformes are acted as input variable. secondly, the method applies improved algorithm based on the original algorithm of multi - layer forward back propagation network, that is to say, adding last variational effect of weight value and bias value to this time and making use of variable learning rate. at the same time, this method also adopts dynamic form in the number of hidden floor node

    首先,文中將三相壓器兩相涌流差流的二次諧含量比和間斷角作為網路的輸入量;其次,利用對原有bp網路訓練演算法基礎上的改進演算法(即在計算本次權值和閾值的時增加上一次權值和閾值的影響以及採用學習率,與此同時隱含層神經元個數採用動態形式) ,通過樣本訓練使網路結構模達到最優。
  5. Conclusions show the post and telecommunications " inductivity is least which means this industry is most likely a bottleneck to nation economy ; analysis of the production inducing coefficient shows that the post and telecommunications is a consumption - relying industry ; the change of production value of post and telecommunications spreads most to the second industry, then the tertiary industry, the primary industry ; the change of price of post and telecommunications spread most to the tertiary industry, then the secondary industry, the primary industry

    得出郵電業感應度系數最小,其瓶頸地位最突出;對生產誘發系數的分析得出郵電業是消費依賴產業;郵電業的產值增長,對第二產業的產值及程度最強,其次是第三產業,第一產業;郵電業價格的對第三產業的價格及程度最大,其次是第二產業,第一產業。見第五章。
  6. V pattern ( 53. 9 % ), its isis varied continuously from big to small, then from small to big and form a gently inflexion in the trough. reversal n pattern ( 25

    9 ,在這種式的振蕩中, isi逐漸由大到小又由小到大依次連續,且isi在谷處形成一個較平緩的拐點;倒n形佔25
  7. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應( cqi ) ,並且測得積分干涉角,為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息,實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢,應用含時微擾理論的一級恩近似,假想在分子束實驗的條件下,建立在原子-雙原子分子體系中碰撞量子干涉的理論模.理論上推導出微分干涉角具體表達式,通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的趨勢,同時初步探討了實驗的正確觀測途徑,得出了採用分子束進行實驗觀測的實驗方法,為進一步進行分子束實驗提供了理論基礎,對實驗的進行起到了一定的借鑒作用
  8. The other research purpose is to discover characteristic information and reliable methods of reflecting spinal cord damage. due to typical damage indicators, amplitude and latent period, have bugs such as limited information and weak stabilities, this project recommends applying time - frequency analysis to monitoring spinal cord function. through analysing and comparing typical signal with stft and cwt, it is proved indicators under time - frequency distribution can be better in reflecting signal changes, espcially the wavelet transformation

    針對目前ep監測中判定脊髓損傷的指標(幅和潛伏期)存在信息量相對較小、穩定性較差的缺陷,本課題提出利用時頻分析技術對術中脊髓功能監護進行研究,通過短時傅立葉換和小換分析和比較典信號的時頻分佈,證明時頻特徵參數能更有效的提取信號的信息。
  9. Secondly, according to the character of this kind of harmonic, the solutions of power filter are deeply analyzed and an optimized topology for series connected hybrid power filter is obtained. by pwm technique, midfrequency transformer and the principle of the magnetomotive force ( mmf ) compensation, the problem to the transfer of the low - frequency harmonic power compensatory signal in the series apf is solved, in technique

    其次,針對acem系統特有的「電源諧」特性,深入分析了濾器方案,得到了一種適用於acem系統諧抑制的串聯混合有源電力濾器優拓撲結構,並採用了pwm調制技術、中頻注入壓器和磁勢補償原理有效地解決了串聯apf中低頻諧功率補償信號傳輸的難題。
  10. Methods : hyperosmotic pressure animal model was established by administering 3 % sodium chloride as drinking water to rats or increasing osmotic pressure of the culture medium. osmoregulation positions in the brain, reciprocal projection pathways between the medullary visceral zone ( mvz ) and supraoptic nucleus ( son ) or hypothalamic paraventricular nucleus ( pvn ), oscillation of intracellular calcium in cultured neurons and astrocytes were studied by means of anti - fos, glial fibrillary acidic protein ( gfap ), tyrosine hydroxylase ( th ) or vasopressin ( vp ) multiple imrnunohistochemical staining, immuno - electronic microscope, wga - hrp retrogradely tracing and cell culture methods. results : ( 1 ) fos positive neurons within the mvz, parabrachial nuclei, locus ceruleus, pvn, son, subfomical organ increased markedly

    方法:通過給予大鼠飲用3氯鈉或提高培養基滲透壓濃度的方法復制高滲刺激模,主要採用抗fos 、膠質原纖維酸性蛋白( gfap )和酪氨酸羥酶( th ) (或加壓素? vp )免疫組織學多重染色、免疫電鏡、 wga - hrp束路追蹤結合免疫組織學多重染色、細胞培養等實驗方法,系統觀察了中樞參與滲透壓反射的調控部位、下丘腦視上核( son )神經元? ast超微結構的、延髓內臟帶( mvz )和son及下丘腦室旁核( pvn )之間往返投射通路和神經元的性質及其與ast的關系、培養神經元和ast內鈣
  11. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上,本文第二章提出了幾種在角度測量的基礎上增加角度率及相對運動的離心加速度等運動學參數的單站無源測量模,並對它們進行了分析和模擬;第三章分別對利用角度及其率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件;第四章針對傳統擴展卡爾曼( ekf )方法的缺點,提出了一種修正協方差的擴展卡爾曼濾( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾方法進行了性能模擬比較;第五章通過引入雷達機動目標跟蹤方法和模,提出了利用角度及其率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法;第六章主要對角度率和離心加速度參數的獲取技術進行了研究,提出了幾種高精度測量脈沖序列多普勒頻率率的方法。
  12. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發,提出了一種lcc諧振恆頻移相單相高頻鏈逆電路拓撲,在調制系數0 . 1 m 0 . 5情況下,控制移相角按正弦規律,使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號,經過整流、濾、低頻逆,從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載,移相全橋具有超前橋臂零電壓開通,滯后橋臂或者零電壓開通( _ 0 )或者零電流關斷( _ 0 )的軟開關特性,而低頻逆器的各個開關均實現零電壓條件下的開通與關斷。
  13. The hydrauli c model of gradual dike - break simulates numerically the 2 - d flow of gradual dike - break waves. it shows the variation of flow field on breach, and the complicated flow characteristic of the propagation, diffraction, reflection and deformation of the dike - break waves. the hydraulic model can realistically simulate the burst process of dike, and computational accuracy is satisfied with the engineering demands

    本文建立逐漸潰堤的水力模首次對二維逐漸潰堤的流動問題進行了數值研究,揭示了逐漸潰堤過程中潰口處流場的情況,以及潰堤的傳播、繞射、反射及形的復雜運動特徵,能較好地模擬實際工程中的潰堤失事,模擬比較逼近於真實潰決過程,計算精度可滿足工程要求。
  14. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行面電流作用於有限長鐵芯上的模,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉速隨時間曲線圖,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證,由實驗測得了三相電流形,並與計算結果進行了比較,對其不對稱性進行了定性分析。
  15. We find that the relations between the electronic effective mass of lowest - lying conduction band and wave vector are resemble, not only for narrow - gap semiconductor zigzag tubes but also for wide - gap semiconductor zigzag tubes. the electronic effective masses at bottom of lowest - lying conduction band depend on their tube - diameters

    我們發現,無論是鋸齒窄隙半導體管還是鋸齒寬隙半導體管,同一類管的最低導帶的電子有效質量隨的規律基本相同,且其導帶底的電子有效質量隨管徑的增大而減小。
  16. Based on the high frequency data, through the study of five - minutes absolute return data of copper in shanghai future exchange, a l - shape effect of intraday return and u - shape effect of intraday volume and intraday frequency of transactions are concluded and an analysis of the relationship between the model and microstructure of future market in china is suggested

    摘要本文運用高頻數據對我國上海期銅的收益率、交易量和交易筆數的日內動模式進行研究,從而得出了上海期銅日內5分鐘絕對收益率動性的" l "模式以及5分鐘交易量和交易筆數的" u "模式。
  17. Thus clean factor has good adaptability to boiler load, coal quality, excess air coefficient, working medium flow, and boiler efficiency etc. the calculated result gained by inputting the data of history database of the object boiler validates the correctness and adaptability to boiler load of clean factor model

    基於穩態傳熱的清潔因子灰污監測模,對鍋爐負荷、燃煤品質、過量空氣系數、各類工質流量、燃煤量和鍋爐熱效率等的有很好的適應性。以北侖電廠1 #爐歷史庫中數據為輸入數據,驗證了清潔因子模的正確性和對穩定負荷的適應性。
  18. 2 ) the effects on waves conversion are stronger in rocks with dry fractures than that in rocks with water - filled fractures, and s - waves attenuate more rapidly in rocks with water - filled fractures. 3 ) the explosive point source which locates in anisotropic media can excites not only p - waves but also s - waves. 4 ) the properties of waves propagation were discussed and compared for several point sources with different source functions

    結果表明: 1 )平行排列裂縫造成的各向異性使寬; 2 )含乾裂縫巖石對的影響比含充水裂縫巖石的大,橫在含充水裂紋中傳播時衰減較快; 3 )當介質存在各向異性時,爆炸點源產生的不僅有縱,還有橫; 4 )通過改點源函數研究不同點源所產生以及的轉換。
  19. Then, all the function modules are given. finally, a software anti - jamming measure is creatively put forward in chapter 6, computer simulation of pole - placement self - turning control by using matlab language is presented. then, a real experiment is made to substantiate the efficiency of this pole - placement self - turning control arithmetic, and it ' s result is analyzed

    第六章運用matlab模擬語言對基於極點配置的自校正pid控制演算法進行了方信號輸入以及模的模擬,進行了真實實驗以進一步驗證自校正pid控制演算法對于模的適應性,最後對模擬及實驗結果進行了分析。
  20. During the growing season, the soil water content from 0 - 200 cm of vegetated sites was closely related to precipitation, but the barren slope was different. soil water content under bare soil remained relatively high ( 12 % ) throughout the growing season

    各植被類立地0 ? 200cm土壤水分的季節與降水量的季節分佈一致,但對照裸坡地整個生長季土壤水分呈,平均土壤含水量維持在12左右的較高水平。
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