波及系數 的英文怎麼說
中文拼音 [bōjíxìshǔ]
波及系數
英文
conformance efficiency- 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...
- 及 : Ⅰ動詞1 (達到) reach; come up to 2 (夠得上; 比得上) can compare with; be comparable; be up to ...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 波及 : spread to; involve; affect
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g
如果通過激光冷卻能使原子速度降至很小甚至為零,光壓力的作用將使原子被較穩定地囚禁于激光駐波場的節點和反節點處,其穩定程度取決于該處光壓力曲線負斜率的大小、對應勢能的勢阱深度以及動量擴散系數的大小,因此,如何在實驗中合理選擇激光強度、失諧量等顯得尤為關鍵。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:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變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變化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」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波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;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。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型產業;郵電業的產值增長,對第二產業的產值波及程度最強,其次是第三產業,第一產業;郵電業價格的變化對第三產業的價格波及程度最大,其次是第二產業,第一產業。見第五章。In the first part of the paper, the development of motor control system fault diagnosis theory is summarized. on the basis of the analysis of the characteristics of wavelet, the theory is discussed and the definition of the singularity is given. because of the localization property of wavelet transform, wavelet analysis can be used to detect the characteristics of the singularity from the signal and intermittence fault problems lying in the motor under test
著重介紹了小波分析在電機控制系統故障診斷中的應用,根據小波理論在時域和頻域良好的局部化性質,討論了利用小波變換來檢測信號的奇異特徵的原理,給出了小波變換對信號奇異性特徵檢測的方法,針對實際應用,對小波基函數選取及小波分解尺度進行了探討。In succession, it analyses, macrocosmicly and microcosmicly, the impact of the real estate cycle making by the wto and brings forward some strategieso chapter five studys the serious results of our nation " s real estate foam, it studys the causing reasons of the foam and the procreant mechanism of it and distinguishs the foam from the ordinary cyc - le fluctuation, and puts forward a set of index to feretell the foam in advance
第五章研究了我國房地產周期波動過程中的房地產泡沫現象及其產重後果,分析了房地產泡沫產生的原因和產生的機理及其與周期正常波動的本質區別。為防範房地產泡沫,提出一套泡沫預警指標體系,建議採用功效系數法建立房地產泡沫預警系統,從而達到監側房地產泡沫的目的。Fast algorithms of both discrete and orthonormal wavelet and wavelet packet coefficient are diagrammatized to be introduced. daubechies wavelet is applied to help to discuss the application and test on signal filtering and noise reduction with the principle and threshold implementation ; the basic principle to pickup the fault characteristics is introduced mainly about the relations between the maximum module and signal saltation point and how to characterize the saltation point with lipschitz exponent
展示了離散正交小波變換的mallat快速演算法和小波包系數分解的快速演算法;重點應用daubeches小波探討了小波變換在信號濾波去噪中的應用和實驗,闡述了其基本原理和通過閾值化處理實現濾波的具體方法;探討了用小波變換進行故障特徵提取的原理,說明了小波變換模極大值和信號突變點之間的關系以及怎樣用李氏指數來表徵突變點的性質。In this paper, firstly, the mechanism of laser plasma shock wave ' s form, the basic formula of the theory of shock wave, the state equation of the shock wave in the water and the relation of the parameters of the shock front are studied
本文首先討論了激光等離子體沖擊波的形成機理、沖擊波理論的基本關系式、水中沖擊波的狀態方程模型以及沖擊波波前參數的關系。And the resemblance is pointed out between continuous wavelet transform ( cwt ) and waf. in the course of computing waf, the scaling replica is very important. based on the properties of cwt, three approaches have been proposed for the scaling of a wavelet that has no analytic form
詳細闡述了寬帶信號及系統的三個條件、寬帶系統的回波模型和寬帶模糊度函數的概念,指出了連續小波變換( cwt )與寬帶模糊度函數的驚人相似之處。A particular description of the application of taguchi methods to antiradar coating is introduced through the system design and parameter design, the antriadar coating with excellent flexility and adhesion is developed through experiment
通過系統設計及參數設計詳細地介紹了「田口方法」在吸波塗料中的應用,通過大量實驗研製了一種柔韌性好、附著力高的吸波塗料。This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up
全文共分八章,取得的主要成果及創新點如下: ( 1 )首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理,在考慮如下物理過程和參量的基礎上:光與物質的雙光子相互作用; stokes光的傍軸衍射; langevin (郎茲萬)噪聲源;晶體表面反射和端面反射;增益系數、光束口徑、脈寬和三倍頻光能量密度,推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。At first, the principle and technique employed in transmittance oxymetry is analyzed. the lambert - beer law and the difference in extinction coefficient of components in tissues relate to different light wavelength is applicable in reflectance oximetry as well as in transmittance oximetry, as both are relate to near - infrared spectroscopy
本文在深入了解透射式血氧飽和度測定原理及其方法之後,首先明確用近紅外光譜法測定組織血氧飽和度時,無論是透射式檢測手段還是反射式檢測,其依據的基本原理都是lambert - beer定律和組織中各成分對應不同波長光的吸收系數的差異。This paper reviews the existing research methods for the water - yielding rules, presents the difference between the lab core and the real reservoir in macroscopic and microscopic geologic characteristics, integrated with the relative permeability curve and the methods for determination of the volumetric conformance efficiency of lab core and the real reservoir, and proposes a new method - conformance efficiency modification method that can be used to determine the theoretic water cut curve of the water drive oilfield
在總結現有產水規律研究方法的基礎上,從考慮室內巖心與實際油藏宏觀,微觀地質特性差異的角度出發,結合相對滲透率曲線以及實驗巖心、實際油藏體積波及系數的確定方法,提出並建立了一種確定水驅油田理論含水率曲線的新方法波及系數修正法。Breakthrough sweep efficiency
突破時波及系數Areal coverage factor
面積波及系數The effects of meor include as follows : being favorable to oil - gas percolation, changing wettability of rocks, improving hydrocarbon migration, reducing surface tension of emulsified oil, decreasing crude viscosity and improving sweep efficiency, etc
採油微生物具有自身的優勢,有利於油氣滲流及提高採收率,尤其是微生物能改變巖石潤濕性、改善油氣運移、乳化原油降低表面張力,微生物及代謝產物還對原油具有降粘作用,對地層水產生有利影響,提高波及系數。First we introduce theory and merits of graphic wavelet transform, then mallat algorithm, multi - scale characteristic, quadratic b - alpine wavelet and the coefficients of this filters, and etc. later we calculate the gradient matrix based on the result of wavelet transform, thin the contour and get spatical information
先介紹圖像小波分解方法的原理、 mallat快速演算法、多尺度特性、 3階b -樣條小波基函數的選取及其濾波器系數的推導等,然後根據小波變換結果計算梯度矢量矩陣,進行非極大值抑制和雙閾值化,提取目標輪廓。However, in the compression process of blocking image data, severe boundary artifact will be produced because of boundary extension and coefficient quantification
但在分塊處理過程中,由於小波變換的邊界擴展及系數量化等原因會產生較嚴重的邊緣贗像效應。Main contents are as follows : analyzing structure of image rendering system -, discussing on three factors affecting digital halftoning technique which are threshold choice, choice of image scanning path and error filter coefficient ; probing into merits and deficiencies of existing technique. in the thesis, many new methods or techniques are : 1
其主要內容包括:分析了圖像再現系統的構成;探討了影響數字半色調技術的三大因素(閾值的選取,圖像掃描像素路徑的選取以及誤差濾波器系數的選取) ;討論了現有數字半色調方法實現過程的優點和不足。The chief disturbances are the ripple of direct current power supply to scan pzt, resonant box effect of usual optical table using to weaken the environmental vibration disturbances, and the effect of air flow
主要干擾為掃描pzt直流電源的波紋系數、減震光學平臺的共振箱作用以及氣流的影響。尤以共振箱影響最大。In forward algorithm, we according to the high level coefficients to locate the jumps and modify the coarser level coefficients, which relate with the jumps. in inverse transforms algorithm, according to the locations to modify the datum, which relate with the jumps. we can reconstruct the image well by using this algorithm, and avoid the gibbs " phenomenon completely
該演算法不必修改雙正交小波變換及其濾波器系數,在小波圖像分解時只是根據高頻小波系數定位圖像的跳躍處,修改關聯跳躍處的粗尺度小波系數;重構時根據演算法修改關聯跳躍處的重構數據,就能很好地重構原圖像,並從本質上消除了gibbs 』現象。分享友人