波能系數 的英文怎麼說

中文拼音 [néngshǔ]
波能系數 英文
wave energy coefficient
  • : 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...
  • : 能名詞(姓氏) a surname
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. 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、對應勢的勢阱深度以及動量擴散的大小,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。
  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:首先針對荒漠化地區的地物特徵,對高光譜據不同段的據質量、段組合進行了評價,提出了適用於荒漠化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」范圍內的段是進行荒漠化監測的主要特徵段,這些段與植被生物量和蓋度都有密切的關,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。
  3. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好地解決多阻尼比反應譜擬合問題;本文方法通過一次運行就獲得一組具有集特性的地震動,在擬合多阻尼比反應譜的人造地震的模擬方面有傳統方法所不比擬的優勢,產生的人造或人造可滿足工程抗震設計需要;在遺傳演算法中,交叉概率和變異概率是影響收斂速度的重要參,本文採用的改進自適應交叉概率和變異概率,可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率,以保證演算法始終以較好的速度向pareto最優解集逼近。
  4. Partial wavelet coefficients ca n ' t be set zero when the threshold is undersize so parts of noises are retained and some useful signals will be taked off when the threshold is iusto major so parts of useful signals are lost. these cases result in dissatisfactory denoising

    如果閾值選取過小,那麼有一部分的噪聲小將不被置零,從而在去噪后的信號中保留了部分噪聲信息,使去噪的效果變差。
  5. It does not need much area, not any pollution, not consuming much electricity power, not need much cost. gshp combined floor radiation air - conditioning system possess high seasonal average cop value and great capacity of edaphic depositing heat energy, can ease up supplied water temperature fluctuating with the change of the outdoor air temperature

    地源熱泵技術聯合地板輻射對房間進行冷暖聯供的形式,具有地源熱泵季節性平均性高、土壤蓄熱力強、緩解空氣源熱泵存在的供冷供熱力隨環境溫度動大的矛盾等優點。
  6. On character extraction, the thesis regards handwriting images as texture images, and excogitates analyzing handwriting images with ( 2, 10 ) integer - to - integer wavelet transform innovatively, that is, analyzing texture images with ( 2, 10 ) integer - to - integer wavelet transform mainly, and denoting eigenvectors of handwriting images with integer - to - integer wavelet coefficients, the thesis defines an 18 - dimension eigenvector. ( 2, 10 ) integer - to - integer wavelet transform can extract the high pass of images effectively, high pass is the details of images, and analysis of texture images is mainly for the details

    在筆跡圖像的特徵提取上,文章把筆跡圖像當作紋理圖像來看待,創新地提出用( 2 , 10 )整變換來分析筆跡圖像,即主要用( 2 , 10 )整變換分析紋理圖像,用紋理圖像的整來表徵筆跡圖像的特徵向量,文章定義了一個18維的特徵向量。 ( 2 , 10 )整變換夠很好地提取圖像的高頻部分,高頻部分在圖像中表現為細節,而對紋理圖像的分析主要是對細節的分析。
  7. The sound absorption coefficiet of osb was tested by the stationary wave method. the results showed that the osb had good sound absorption property compared with brick and concrete

    採用駐管法測定定向結構刨花板的吸聲,分析比較了定向結構刨花板與磚、混凝土吸聲性的差異。結果表明,定向結構刨花板具有良好的吸聲性
  8. In the study of directional spectrum and reflection coefficient of multidirectional wave, firstly the wave elevation trains overlapped by the incident wave and the reflected wave of multidirectional wave are simulated in the method of a frequency corresponding to a direction. then the composed wave trains are analyzed respectively by the mbdm and the mmlm. during the numerical study, the input factors include the various wave parameters, the different measuring wave system and the various reflect characteristic

    在多向不規則入射方向譜和反射的分析研究中,利用方向頻率對應法模擬了多向不規則入射與反射疊加的面序列,將此合成列分別應用mbdm和mmlm進行分析,通過輸入各種浪參量、不同浪測量統和各種反射特性等因子,檢驗了mbdm和mmlm方法的適用條件,對兩種分析方法的性進行了比較分析。
  9. 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、光束口徑、脈寬和三倍頻光量密度,推導出高通量激光在kdp和kd ~ * p諧轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。
  10. 4. an roi coding method realized by foveation technology and two of its extended applications are presented. by unevenly upscaling the wavelet coefficients, the method can not only reconstruct the roi data priorly in a low bit - rate codestream, but make the progressive reconstruction of the image data more convenient for the human vision system

    該方法根據人類視覺生理特點,將小變換進行非均勻的上移位處理,不僅夠保證感興趣區域圖像據在低比特據流中的優先恢復,還實現了使圖像的漸進恢復過程更加適合人類生理視覺感觀特點的效果。
  11. The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function

    作為遺傳演算法的具體實施:根據本實驗室近來研製的吸材料,建立了吸材料的相關據庫;構造了真實體現「薄、輕、寬、強」優化目標的目標函;根據材料的實際量以及塗層厚度精度要求、吸收劑體積分精度要求,建立了動態擴展相應碼長的自適應編碼方法;首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術,以此實現了在不弱化寬頻、高強的吸目標的同時,兼顧到薄層、輕質的使用性要求;在解碼時通過動態跟蹤厚度變量的約束條件,實現了多層單組分吸塗層對重量輕的要求;通過動態跟蹤厚度變量的約束條件和吸收劑體積分的約束條件,實現了多層多組分吸塗層對重量輕的要求;使用權重變化法,實現了吸塗層的分頻段吸要求。
  12. Get the damping coefficient of each sample, and use it to reflect the resistance which wave energy suffers inside of breakwater 7

    6 、得出各個樣本的阻尼,並用其反映在堤心內傳播所受的阻力。
  13. 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
  14. Due to the very good computation efficiency of the wp coefficient, it was concluded that feature index of the wp coefficient node energy can satisfactorily meet the needs of bridge health monitoring

    認為兩種特徵指標的敏感性相差很小,而小節點量特徵指標的計算效率更高,更適合橋梁健康監測中損傷特徵提取的要求。
  15. An array of benefits is provided with the application of the integrated system, such as high cop & spf, energy saving, small fluctuation with the ambient temperature, improving the conflict between the fresh air supply and energy consumption and etc. 3. a comparison has been made on ground - source heat pump ( gshp ) with the air - source heat pump ( ashp )

    地源熱泵聯合輻射地板對房間進行冷暖聯供,既具有地源熱泵季節性平均性高、土壤蓄熱力強、隨環境溫度動小等優點,且改善空氣源熱泵統新風供給量與耗之間的矛盾關
  16. C. r. chou, r. s. shih and h. m. fang, 1996, deformation of solitary wave in coastal zones, boundary element methods, pp. 171 - 181

    周宗仁、石瑞祥、李中和, 1995 ,斜坡上考量復浪變形影響之研究,第十七屆海洋工程研討會論文集。
  17. Rom megafunction block of ecg database is custom - made with quartusii as input data. filter coefficient is designed with fdatool in matlab. hardware model of fir filter ordering 16 is designed with dsp builder and function simulation is executed

    論文利用quartusii定製出心電信號據rom宏功塊以作為輸入據;採用matlab中fdatool設計工具設計出濾;再用dspbuilder技術對16階fir低通濾器進行了硬體模塊設計,並進行了功模擬。
  18. Judging by the different magnitude and direction of the wavelet packet coefficient modular maximum, we can select the single phase - to - earth line. the method using wavelet singularity detection theory to extract the fault time is discussed. a fault distance measurement algorithm combining wavelet analysis used for separating the character from the transient fault signal with artificial neural networks used for the nonlinear approximation from the transient character to fault distance is presented

    論文提出利用各個出線零序電流在頻帶上小模極大值的方向和大小的不同來實現故障選線,討論了利用小分析的奇異性來判斷故障啟動時刻,提出將小分析和人工神經網路結合,利用人工神經網路的非線性逼近力,實現故障暫態量到故障距離的非線性映射,完成測距。
  19. Judging by the different magnitude and direction of the wavelet packet coefficient modular maximum, we can select the single phase - to - earth line

    利用各個出線零序電流在量最大頻帶上小模值的大小和方向的不同來實現故障選線。
  20. 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變換及其濾,在小圖像分解時只是根據高頻小定位圖像的跳躍處,修改關聯跳躍處的粗尺度小;重構時根據演算法修改關聯跳躍處的重構據,就很好地重構原圖像,並從本質上消除了gibbs 』現象。
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