波段覆蓋 的英文怎麼說

中文拼音 [bōduànfùgě]
波段覆蓋 英文
band coverage
  • 波 : 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...
  • 段 : Ⅰ量詞（部分） section; segment; part; paragraph; passage Ⅱ名詞（姓氏） a surname
  • 覆 : 動詞1. [書面語] （蓋住） cover 2. [書面語] （底朝上翻過來; 歪倒） overturn; upset 3. 同 「復」 （Ⅱ1. 2. ）
  • 蓋 : 蓋名詞（姓氏） a surname
  • 波段 : [電學] wave band; wave range; band; range; frequency range; frequency band
  • 覆蓋 : 1 （遮蓋） cover; overlap 2 （植被） plant cover; vegetation3 （保護層 覆蓋物） cover; covering; ...
  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型識別、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測井解釋模型中的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? ?曲線變化越復雜，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（如聲波和電阻率曲線）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將計算得到的可變的m指數與聲波和電阻率分維之積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變化的規律，並結合qx油田l區塊儲層類型經驗判別圖版，從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  2. At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength

    由於準相位匹配技術有其獨特的優勢，可以利用非線性光學晶體的最大二階極化張量，如ppln 、 pplt 、 ppktp用的非線性極化張量都是d _ （ 33 ） ，其有效非線性系數高出普通非線性光學介質（如bbo 、 lbo 、 ktp ）一個數量級，而且可以人為靈活設計調制周期，通過周期設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明波段，選擇無走離效應，解決了常規pm難以解決的問題，拓寬了非線性晶體的應用范圍，極大地提高了頻率轉換效率，已成為非線性光學材料和固體激光器的研究熱點之一。
  3. When the aerials are down, and your spirit is covered with snows of cynicism and the ice of pessimism, then you are grown old, even at 20, but as long as your aerials are up, to catch waves of optimism, there is hope you may die young at 80

    當天線倒塌時，心靈就被玩世不恭和悲觀厭世的冰雪所覆蓋，這時即使年方20 ，你已經垂垂老矣；如果天線仍佇立著捕捉樂觀的波段，你就能心存希望，在告別塵世的耄耋之年仍然韶華不逝。
  4. 2 ) radar incidence angle and surface roughness correction : to make radar incidence correction and eliminate the surface roughness effects, a wide range of surface parameters ( soil moisture, surface rms height, correlation length, incidence angle ) was input to the ibm model to simulate the effect of surface roughness and radar incidence angle on the sensitivity of soil moisture to the radar backscattering coefficient. a simple model was established to simulate the effects of incidence angle and surface roughness. 3 ) establishment of soil moisture change inversion model : according to a modified ibm model simulation results, the bare surface backscattering coefficients can be expressed as a funtion of the dielectric component for a given surface roughness when the surface slope greater than 2. 0, which is valid for most nature surface : in above equation, r0 is the surface reflectivity at normal incidence

    本研究中，首先利用基於微波輻射傳輸方程的微波植被模型和積分方程（ iem ）模型模擬了各種地表土壤水分含量情況下，植被覆蓋、地表粗糙度（包括地表均方根高度和相關長度） 、雷達入射角對c波段（頻率4 . 7ghz ）水平極化（ hh ）雷達後向散射系數的影響，在此基礎上，建立模型消除了植被覆蓋、地表粗糙度、及雷達入射角對雷達後向散射的影響，利用多時相50m解析度radarsatscansar雷達後向散射系數圖像反演得到了地表土壤水分變化模式信息。
  5. It is possible that the reflection fringes on the four sides of the acoustic wave screen, after being used for a period of time, are covered by lots of dust, which leads to a failure to adjust. if you use the ka cabinet of our company, you can open the upper cover, and rub with a piece of dry cloth. pay attention not to damage the upper left, upper right and down right transducers

    有可能是聲波屏在使用一段時間后，屏四周的反射條紋上面被大量的灰塵覆蓋導致不能進行校準，如果您使用的是我公司ka型機櫃您可以打開上蓋用一塊乾的軟布進行擦拭，注意左上，右上，右下的換能器不能損壞
  6. This method greatly improves the band width of omndirectional band gap, which makes the omnidirectional reflector for the whole visible region possible

    不僅極大地提高了一維光子晶體的全方位反射帶，使得製作覆蓋整個可見光波段的全方位反射器成為可能。
  7. Led light - induced fluorescence spectra of whole blood, erythrocyte and hemoglobin are obtained in the case of different concentration of blood cells solution with various excitation wavelengths. the intensity and peaks of the spectra from 430nm to 700nm depend strongly on the concentration of blood cells

    通過改變激發光波長和血細胞濃度，獲得了led光誘導全血、紅細胞和血紅蛋白產生的熒光光譜，其光譜覆蓋了430 700nm波段，且光譜強度和峰值位置均與溶液濃度有較強的依賴關系。
  8. Modis has wide spectral range and spatial coverage, as well as the continuous coverage modis will provide over time, and observes the earth as a unified nature, which is necessary for multidisciplinary studies of land, ocean, and atmospheric processes and their interactions, and will provide us the global data for at least 15 years

    專門針對全球變化研究的modis探測器的成功發射和運營揭開了定量遙感應用全新的一頁，它必將引導全球變化的研究。 modis探測器具有寬波段范圍和高空間覆蓋率，對陸地、海洋和大氣進行整體觀測，而且至少提供15年的全球數據。
  9. If the touch screen is not accurate after being used for a period of time, it is possible that the reflection fringes on the four sides of the screen or the transducers are covered by dust. if you use the ka cabinet of our company, you can use a piece of dry cloth to clean the surface with industrial alcohol or glass detergent, and then restart the system. pay attention not to damage the upper left, upper right and down right transducers

    如果聲波屏在使用一段時間后不準，則可能是屏四周的反射條紋或換能器上面被灰塵覆蓋，如果您使用的是我公司ka型機櫃，您可以打開上蓋用一塊乾的軟布蘸工業酒精或玻璃清洗液清潔其表面，再重新運行系統，注意左上，右上，右下的換能器不能損壞
  10. The main contents and creative results of the paper are given as follows : ( 1 ) introduced the special requirement of output power for tv transmitter, on condition that the wireless coverage of tv signal is achieved at uhf, analyzed the important meaning of the research in high frequency linear power amplifiers of uhf transmitter

    本文的主要研究內容和創造性成果如下： （ 1 ）介紹了在uhf波段實現電視信號無線覆蓋，對電視發射機輸出功率的特殊要求，分析了對uhf電視發射機高頻線性功率放大器進行研究的重要意義。
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