非均勻系統 的英文怎麼說

中文拼音 [fēijūnyúntǒng]
非均勻系統 英文
heterogeneous system
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : Ⅰ形容詞(均勻) even Ⅱ動詞1. (使均勻) even up; divide evenly 2. (分出一部分) spare
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
  • 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
  1. Using ansys as analysis tool, and the influence of river water fluctuating on geoelectric observation data in different distance from riverway to geoelectric monitoring observe station is numerically simulated, and the relationship between error of observation data and distance from riverway to the stations is summarized

    摘要利用ansys作為分析平臺數值模擬了觀測距河道不同距離情況下,由河水漲落引起的淺層局部電性性對地電觀測數據的影響,總結了觀測距河道遠近與觀測數據誤差大小的關
  2. The wavelet multi - analysis is adopted to further understand the microstructure of solids holdup fluctuation, the vivid fingermark images show that it is a fractal and dissipative structure. the low and frequency signals reflect the dilute phase fluctuation behavior and dense phase ( cluster ) fluctuation behavior, respectively. to deep understand the multi - scales characteristic of gas - solids circulating fluidization, the wp decompose methods for obtaining the eigenvalue of gas - solid fluidized bed has been developed. the results show that eigenvalues of different scales are effective for identification of non - uniform and dynamic structure of gas - solid fluidized bed

    小波多分辨分析法得到指紋圖形象地揭示了顆粒濃度脈動的自相似、分叉等具有混沌特徵的微觀結構;小波分解后信號中的低頻和高頻成分分別代表了稀相和密相的脈動行為,小波包分解提取能量特徵值的方法能夠揭示氣固的多尺度特性,不同尺度上的能量特徵值四川大學碩十論文反映了氣固循環流化中存在的動態時空結構。
  3. The lifting - line and lifting - surface design method, the harmonic analysis method based on the panel method, new section design ways, the effective operating curves are integrated into a whole design system of the unsteady propeller, the design system is effective and reliable by the design example, the model test and the application to the full scale ship

    本文把升力線和升力面設計方法、基於面元法預報螺旋槳定常性能的諧調分析方法,新剖面設計方法、有效運轉曲線計算方法組合為一套完整的流場中螺旋槳設計計算,經實例設計和模型試驗及實船的應用,該設計是可靠且有效的。
  4. The system could be also used in online machining of some other parts in machine manufacturing, to realize the real time detection of non - uniform temperature field and guide the thermal compensation of workpiece

    還可用於機械製造業其他零件的在線加工中,實現工件溫度場的實時檢測,指導工件尺寸的熱補償。
  5. ( 3 ) the basic theories and techniques on distributed radar cfar detection are reviewed. in particular, using the numerical performance simulation results, the performance of distributed cfar detect system under nonhomogeneous backgrounds and simple detect conditions are analyzed in some details. we have summarized the performance characteristics of distributed cfar detect systems against interference and edge clutter when different fusion rule is used

    西北工業大學博士學位論文( 3 )對分散式cfar檢測技術的相關理論、方法進行簡要總結與分析,特別是利用數值分析與性能模擬方法,對環境下簡單條件檢測的性能進行了較為深入和的研究,總結了不同融合方式時分散式cfar檢測在抗干擾與雜波方面的性能特點。
  6. In order to solve the problems effectively, under the auspices of 863 plan in china, the synthesis diagnosis has been carried by means of measuring and numerical imitating the combustion chamber of refining column, and some conclusions is such as : ( 1 ) through measuring the temperature and combustion in the burning chamber of the refining column, the result shows the temperature difference on the same level is more than that in height direction, and there is a few of co in bottom of burning chamber. ( 2 ) in order to ensure normal work of flue system in lead column in the course of zinc refining, theoretic calculation and measure about the flow resistance of exhaust gas are carried through. the results of study reveal that drawing out force of chimney is inadequate, which is mainly caused by illogicality of flue construction

    在研究過程中,採取了現場實測和數值模擬手段對韶關冶煉廠鋅精餾鉛塔燃燒室及排煙進行了綜合診斷,具體結果包括如下: ( 1 )完成鋅精餾鉛塔燃燒室內溫度測試以及燃燒狀況的測試,結果發現:鉛塔燃燒室內水平方向的煙氣溫度並,而且其溫差比上下方向的溫差更大,以及鉛塔燃燒室尾部存在co未燃燼問題; ( 2 )為了保證鉛塔煙氣的正常工作,對煙道的阻力進行了理論計算及測試分析,結果發現:鋅精餾鉛塔煙氣中煙囪抽力不夠,這主要是煙道結構不合理所造成的。
  7. The discovery of giant magnetoresistance effect has attracted much attention to research of magnetic transport in inhomogeneous systems, which depends on spin of electrons. the magnetoresistance in such two inhomogeneous systems as magnetic granular alloys and doped pervoskite manganite fflms is usually considered due to spindependent scattering

    巨磁阻效應的發現,導致了一個如何正確看待非均勻系統中磁輸運性質的問題,並使電子輸運狀況依賴于自旋內稟屬性的物理觀念逐漸形成。
  8. Three finite - difference methods, i. e., stagger grid, implicit and explicit algorithms, are analyzed in detail. multi - grid algorithm is firstly introduced in elastic wave simulation, to solve for the stability problem inherent in stagger grid and implicit algorithm, also for the efficiency problem inherent in explicit algorithm, and the precision, stability and efficiency for simulation of elastic wave arc increased by multi - grid method. phase - delay method is provided to effectively absorb boundary reflection and increase efficiency for wave motion simulation, based on phase delay and amplitude decaying features along wave propagation

    在水平分層介質接收函數的波形反演研究的基礎上,本文闡述了介質中彈性波傳播數值模擬常用的三種有限差分方法:顯式差分、隱式差分和交錯網格法,首次將多重網格演算法應用於彈性波方程的數值模擬問題,克服了交錯網格法和顯式差分法穩定性差,以及隱式差分法計算效率低的缺點,大大提高了彈性波數值模擬的精度、穩定性和計算效率。
  9. Non - uniformity correction approach is one of the key technique in steering focal plane array imaging system

    凝視紅外成像中的探測器性校準(降低固有空間噪聲)技術是一項處在探索過程中的關鍵技術。
  10. The causations and features of nonuniformlty in infrared imaging systems are described in the first part of this paper. several methods of nonuniformity correction ( nuc ) for fpa are analyzed and compared in detail

    本文首先分析了紅外成像性產生的原因及表現特徵,對目前存在的幾種性校正方法進行了詳細的探討和對比。
  11. The system can simulate the transfer process of photo - thermal and thermal - electric at a given parameter setting of structure, environment and circuit. on the basis of circuit structure, the calibration, parameter adjusting and signal readout can be simulated, the vary process of readout circuit, readout voltage, optical gain, optical gain rate, and uniformity can be given. in addition, all kinds of character parameters of device can be forecasted

    本論文根據umbirfpa的原理,建立它的軟體模擬,它可以根據給定的結構、環境、電路設置等參數首先模擬光熱、熱電轉換過程,並可根據電路結構,模擬校準、參數調節並讀出信號,給出讀出電流和電壓、光學增益、光學增益比、性等各特徵量的定量變化過程,預測製成后器件的各種性能參數。
  12. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    可通過沉積參數的精確控制,以控制沉積過程,減少金剛石膜生長過程中的缺陷,並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程;利用微波對材料的選擇加熱特性,通過構造等效方程,並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中,建立了等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型,為mpcvd的基片加熱設計提供了一條全新的技術路線以指導基片加熱材料的制備,並對基片加熱材料進行了設計和優選,以獲取大面積的溫度場區,甚至獲得大於基片臺尺寸的溫度區;作為研究重點之一,開展了微波等離體化學氣相沉積金剛石的成核與生長研究,地研究了在( 100 )單晶硅基片上mpcvd沉積金剛石膜的實驗過程中,基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響,分別用raman光譜、 x射線衍射( xrd ) 、掃描電鏡( sem ) 、紅外透射光譜( ir ) 、原子力顯微鏡( afm )對薄膜進行了表徵,確立了該上mpcvd金剛石膜的最佳的實驗工藝參數。
  13. Meanwhile, owing to the fact that there is huge hardness in accurate extracting of attenuation constant, one of the most new modified compact fdtd methods is applied to analyzing lossy multiple conductors to give accurate results. it is combined with the nonuniform mesh partitioning technique to reduce the computing time

    針對有耗導體衰減常數難以精確提取的問題,將一種最新改進降維方法應用到有耗多導體分析中,並結合網格劃分技術,在得到準確衰減常數的同時有效地減少計算時間。
  14. In this paper, the two - phase flow behaviors of gas - solid circulating fluidized bed have been first studied by analysing experimental data. then, based on fractal theory wavelet package analysis ( wpa ) de - noising method was used to denoise solids concentration and pressure fluctuation signals. the solids concentration signals have also been investigated by wavelet multi - resolution analysis and wavelet package decompose, contributed to disclose the non - uniform flow structures of gas - solids phase

    然後將基於分形理論的小波包消噪方法用於顆粒濃度和壓力波動去噪,並對氣固流化床中的顆粒濃度信號進行了小波多分辨分析和小波包多尺度分解,從新角度揭示了氣固流態化氣固兩相流動結構。
  15. Based on the principles of temperature measurement using infrared thermography and the theory of thermal imaging, a uncooled ir fpa thermometry system is designed. in this system, the mathematic model of infrared thermometry calculation is established, and appropriate formulas for error analysis and calculation are obtained. the algorithm calculating the apparent emissivity of target surface is also put forward

    建立了致冷紅外焦平面熱成像測溫計算的數學模型;對計算中可能產生的各種誤差進行了分析和計算;對成像的性進行了分析和校正;提出了精確測量發射率的新演算法;結合熱成像的原理對紅外熱圖像的特徵進行了分析,對紅外熱像進行了新型直方圖衡和偽彩色增強等處理。
  16. Abstract : the nommiformity of solid state image sensor which degrades performance severely, even no signal can be detected must be corrected in the condition of present technology. in this paper, the cause of nonuniformity generation is analyzed. based on principle of ratio of performance to price and real time, one point and two point correction are used and their correction range are discussed. the hardware circuit sketch and result are presented

    文摘:分析了性產生的主要原因,基於性能價格比和實時快速的原則,採用一點和兩點法對固體圖像傳感器的性進行了校正並討論了的校正范圍,給出了用於實時校正的硬體電路框圖和實驗結果,取得了較滿意的校正效果。
  17. 1. upon brief reviewing current mathematical and physical models and mechanisms for electrorheological effect, the theoretical analysis of the dielectric relaxation of electrorheological fluids and the frequency - inducing characteristics for electrorheological effect are conducted. based on statistical thermodynamic analysis and osmotic pressure calculating of an electrorheological fluid complex system, phenomenological theory is adopted to evaluated phase reparation characteristics. thus critical factors corresponding to experimental results are introduced

    在簡要評述現有電流變效應模型及機理的基礎上,按介質對雙相復合懸浮液的電流變效應進行理論分析,研究了電流變效應頻率誘導特性;基於復合滲透壓的計算,採用計熱力學唯象理論,討論了電流變效應的相分離特徵,獲得了與實驗吻合的臨界參數;首次將定向滲流模型應用於電流變體臨界體積濃度的分析,得出一個描述電流變流體特徵而不隨外加電場變化的臨界體積百分數為0 . 37 。
  18. A numerical method, rfpa ( superscript 2d ) used in analysis of rock failure process, is applied to study the influence of macroscopic heterogeneity on macroscopic mechanical behavior of rock failure and seismic sequence types

    摘要運用巖石破裂過程分析rfpa (上標2d ),研究了巖石介質宏觀性(含裂紋)對宏觀力學行為和微震序列類型的影響。
  19. Based on unified strength theory, the boundary line equation of surrounding rock mass plastic zone under non - uniform stress field was deduced, and it can be used to pre - estimate the dimensions and shapes of underground tunnel ' s plastic zone with different coefficients of horizontal pressure

    摘要基於一強度理論,推導出應力場的巷道圍巖塑性區邊界線方程式,可用於預測不同側壓數時地下深埋隧洞的塑性區大小及形狀。
  20. Then, using the large - scale coarse grained soil test system, the relative density and direct shear characteristics of sand - gravel mixtures in different size distribution were tested. and the soc affecting mechanism derived from non - uniform granular material was discussed. the phenomenon can be observed that, along with the increase of non - uniform degree, the accumulate structure will become more complex, and the sliding resistance among sands will grow accordingly

    在此基礎上,利用大型粗顆粒實驗,測定不同數沙石材料的相對密度和直剪特性,探討了顆粒程度對自組織臨界性影響的具體物理力學機制:隨著度的增大,散粒堆積體的顆粒結構空間分佈堆積方式的多樣性增大,顆粒滑動的摩擦耗能增加。
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