空間波 的英文怎麼說
中文拼音 [kōngjiānbō]
空間波
英文
space wave-
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。Remote sensing in ultraviolet and vacuum ultraviolet can help us recognize many spatial phenomenon, such as dayside and nightside airglow, aurora. so it ' s very important
因此，紫外-真空紫外波段的空間遙感探測對認識太陽和地球大氣以及宇宙空間具有重要的應用價值。The characteristics of various solid - state power - combining techniques and the principles of the waveguide - based power combining structure are compared and analyzed in detail. the power combiner is based on a double antipodal finline - to - microstrip transition structure. the proposed 2 2 combining structure is optimized by using 3 - d fields simulation tools cst
主要內容為: 1 .研究和對比了各種固態功率合成技術的特點，詳細地分析了波導基空間功率合成器的工作原理，提出了一種基於雙對極鰭線-微帶過渡的2 2路毫米波功率合成器結構，藉助三維場模擬軟體cst對該無源網路進行了優化設計。The theory of wilkinson power combiner and ratrace coupler is analyzed by using the odd - even mode method in this thesis. on the basis of the theoretical analysis, we designed and tested the wilkinson power divider, the modified wilkinson power divider and ratrace coupler, good agreement is observed. in addition we propose a power combiner based on a waveguide - to - microstrip transition using antipodal finlines. this structure united the two functions of transition and equal power division, it can not only be used in the circuit power combiner but also be used in spatial power combiner
另外提出一種基於鰭線波導微帶過渡功分器，該結構將過渡與功分兩種功能完全結合，不但可以用於電路合成式功率合成，也可用於空間功率合成中。對功率合成器，其主要指標是輸出功率和效率，其中提高輸出功率和效率的一個方法是在輸出端抑制諧波，主要是對二次諧波的抑制。This system, depicted in figure 1-8, is usually referred to as the apollo spacecraft.
通常所謂的「阿波羅」空間飛行器，其系統如圖1-8所示。It will be launched vertically from remodeled apollo pads at the john f. kennedy space center at cape canaveral, fla.
它將在佛羅里達州長納維拉爾角肯尼迪空間中心從改進過的阿波羅發射架垂直發射。Software part want function that realize : through interrupt service routine gather and come out regularly ecg signal, store among computer in the form of the binary scale ; data compress programme should realize to ecg signal pretreatment and compress of signal, narrow the storing amount of the data, save the space ; case information management system realize patient information and heart telecommunication file of interest, keep and in the data base, can show the ecg signal wave form at the screen of the computer directly data that gather. and has offered and type and report the single function
軟體部分所要實現的功能為：通過中斷服務程序把心電信號定時採集出來，以二進制的形式存儲在計算機中；數據壓縮程序應實現對心電信號的預處理和壓縮，縮小數據存儲量，節省空間；病例信息管理系統實現患者個人信息和心電信息的存檔，把採集的數據保存作數據庫中，能夠將心電波形直接顯示在計算機屏幕上，並提供列印報告單的功能。The planets occupy orbits that are regularly spaced according to a pattern first noticed by bode.
行星動行的軌道在空間的位置是有一定規則的，波特首先注意到了這種規律性。Mechanics course mainly includes the description of movement of objects, the instantaneous effect of strength, spatial build - up effect of strength, temporal build - up effect of strength, nonindividual body mechanics, mechanical wave and sound, relativity, inalterability and covariability and mechanics foundation of the theory of relativity
力學主要內容包括物體運動的描述，力的瞬時效應，力的空間累積效應，力的時間累積效應，連續體力學，機械波和聲，相對性、不變性與協變性和相對論力學基礎等。Estimating a dynamical trajectory of the reverberation and then taking it out from the observation, all target echoes should be obtained. that is called signal separation
信號分離是指在相空間中估計混響動力學軌道，從觀測中減去估計的混響，從而分離出目標回波。Before using phase - only algorithm to achieve nulling, estimations of the number of interferential sources and the doa of interferential signals are needed. so, the spatial spectrum estimation basd on the maximum likelihood method ( capon method ) and music algorithm used for detecting the number of interferential sources and the doa of interferential signals are discussed in the second chapter
在採用phase - only演算法進行波束置零之前，需要估計干擾源的方向和個數，因此本文還在第二章介紹了發射數字波束形成中用於測定干擾源個數和方向的空間譜估計法? capon演算法和music演算法的測向原理，並分析了它們的性能和優缺點。The procedure is quite unusual as compared with the spatial functions.
與空間波函數相比，這個方法太異常了。( 2 ) based on the wave equation in the acoustic fluid space and the theory of thin - wall structure, the non - symmetrical coupled structure - acoustic dynamic equation without damping is studied. the non - symmetric system of the finite element model for coupled structure - acoustic response is solved by the conjugate subspace iteration method
由聲空間波動方程和薄板理論出發，對聲場?結構耦合系統的模態分析提出了有限元數值方法，採用共扼子空間迭代法對非對稱特徵方程進行處理，採用靜凝聚法消除質量矩陣的奇異性。The circumference mfl of the wire rope has a broad space - frequency range along the axial of rope
鋼絲繩周向漏磁信號沿繩長有豐富的空間波動頻率成份。Albert einstein suggested long ago that we are adrift in a universe filled with waves from space
阿爾伯特?愛因斯坦在很久以前發現，我們漂泊在充滿著空間波動的宇宙中。After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves
在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後，首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程，然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的，指出了開放空間中突然出現的時變電場（位移電流）是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究，以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬，並給出了電場的等高線和空間波形圖，這些圖形對理解脈沖電磁波的輻射機理非常有益Abstract : by using the pulse - sequence model ， the inverse problem of amplification of broad - spectral - bandwidth laser pulse has been studied ， i. e. ， to find the initial input temporal pulse profile ， spatial profile ， spectral distribution and fluence from the required output temporal ， spatial pulse profile ， spectral distribution and fluence as well as the given amplifier parameters
文摘:採用脈沖分割模型，研究了寬頻帶激光脈沖放大的逆問題，即由所要求的輸出激光脈沖時間、空間波形、光譜分佈和能量密度，並給定放大器參數情況下，求輸入激光脈沖時間波形、空間、光譜分佈。3 ) the dynamic responses are studied primarily when the normal incident waves from the lateral boundary are rayleigh surface waves. the results of the dynamic response and the spatial waveforms are given. through comparing the numerical solutions with the analytical solutions of one - phase media, the validity of the corresponding program is proved
初步分析了基於單相介質理論的rayleigh面波從側邊界垂直入射時的動力響應問題，給出了動力響應結果和rayleigh面波的空間波形，通過比較單相介質數值解與解析解兩種方法的分析結果來檢驗程序的正確性。The definition of beamforming in mimo system is much different from the classic beamforming techniques. the beamforming in mimo system is not the beamforming in ( classic ) realistic space but the matrix space
Mimo系統波束形成與傳統波束形成的概念有很大的不同， mimo系統的波束形成不再是傳統意義的實際空間上的波束形成，而是抽象的矩陣空間波束形成。It is noticed that the definitions of limit and difference of waveforms reflect path sensitization in a circuit. it is interesting to note the consistency between this theory and the reality. to deduce the properties and applications of converse operations or generalized converse operations of waveform operations in waveform space
主要表現在：定義了波形空間；在波形空間中定義了與實際問題相符合的距離，極限，延遲運算元；運用布爾運算推導出了波形空間是banach空間；波形的極限和差分的定義反映了電路中的通路敏化；推導出了波形空間中常見波形運算的逆運算或廣義逆運算及其在電路中的性質並在通路敏化方面得到了一些應用。分享友人