長基線系統 的英文怎麼說

中文拼音 [zhǎngxiàntǒng]
長基線系統 英文
long base-line system
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 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. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值理論的內容和意義,並與傳的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理計、隨機過程等與地下水變值理論相結合進行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  2. 1. because the taxonomic division is rather complex and has been much disputed and revised, in this part, we will review the classification and phylogeny of families, subfamilies and tribes of anseriformes based on morphology, ethology, osteology, mitochondrial and nuclear dna restriction fragment length polymorphism, single - copy nuclear dna hybridization and the sequences of mitochondrial gene analysis referring to the different definition, classification and phylogenetic relationships of the families, subfamilies and tribes of anseriformes. the controversial questions and deficiency in the systematic studies of anseriformes were pointed out

    具體包括以下幾個部分: 1 、針對雁形目鳥類異常復雜的分類狀況及分類上存在的爭議,根據雁形目鳥類的形態學、行為學、骨骼學、角蛋白、粒體與核dna酶切片段度多態、單拷貝核dna - dna雜交及粒體因dna序列分析等方面的研究,對雁形目鳥類分類中科、亞科和族的劃分及其相互間的發生關進行綜述,分析學研究中存在的不足,提出了雁形目鳥類分類中急需解決的問題。
  3. The short - baseline interferometer ’ s angle measurement accuracy is influenced by phase difference measuring accuracy, the base length measuring accuracy, the system operating wavelength ( frequency ) and so on, the article analyzes the existing theory, and emphatically analyzes the influence of base length measuring accuracy to the precision of angle measurement

    干涉儀測角精度受相位差測量精度、度測量精度、工作波(頻率)測量精度等因素的影響,文中,在對原有理論進行分析的礎上著重分析了度測量精度對角度測量精度的影響。
  4. As a result of studying, we gain three system time capability parameter of monolayer bus framework and two - double bus framework, data bus utilization, length of the data waiting queue and time of system timed, basing on fixed bc control seasonal repertoire timed petri net and stochastic petri net

    研究結果分別得出了單總和雙總於固定主控端周期指令時延petri網的數據總利用率、等候消息隊延時時間;於隨機petri網的數據總利用率、等候消息隊延時時間共三個時間性能指標。
  5. We also take two conclusions by foregoing result : first of all, the system becomes more and more complex, the system data bus utilization copy result, time of system timed and length of the news waiting queue become more and more precise basing on stochastic petri net

    通過結果數據分析、比較,本文得出兩點結論:第一,隨著復雜程度的提高,於隨機petri網的利用率、延時時間、等候消息隊的模擬結果會越來越精確,這特別適合現代越來越復雜的航空電子綜合數據總的分析。
  6. The mendable canny operator based on the linear interpolation is used to pick up the edge of the pointer, the pointers ’ instructive direction is gotten via the circumference chord length detection method proposed by the article, then according to the central angle of pointer relative to the benchmark and conjunctive relation, the right reading is received the database information management system realizes the consumers ’ water fee management

    利用性插值的canny運算元提取邊緣,通過本課題提出的圓周弦灰度檢測法得到指針的指示方向,進而依據指針相對于準的圓心角和關聯關正確讀數。數據庫信息管理實現對用戶用水信息的管理,主要功能分三大模塊:一
  7. Around 40 ; the neutral curve obtained by the growth rates of the temperature fluctuation has a ringlike curve separated from the main branch of nachtsheim s calculation by velocity fluctuation at the lower grashof number side ; and its phase velocity is close to the maximum mean velocity where the critical layer of the eigenmode locates. the thermal fluctuation decays rapidly as the nondimensional frequency above 0. 4, so that it means that the coupling effect between instability wave generated by buoyancy fluctuation and velocity waves by invicid instability seems weak enough for their critical layers in the range of the nondimensional frequency

    詳細研究了自然對流邊界層中最早失穩的浮力振型的功率譜波波速與臨界層位置等本特徵和它為主導其他振型尚未失穩時按性理論得到的3種相互獨立振型的振幅分佈。地測量了它所對應的溫度和速度漲落的振幅增規律和中性曲,實驗結果表明,溫度漲落的中性曲在低格拉斯霍夫grashof數
  8. Analysis of the sequence variation of cytochrome b gene indicated that there is no evidence of insertions or deletions, i. e., they are all of identical length of 1143 bp in all the sequences of cytochrome b gene. further, the sequences can be fully translated into amino acid using chicken mitochondrial codon without nonsense mutations or intervening stop codons. the 1143 bp cytochrome b alignment contained 416 variable sites, of which 306 were parsimony informative sites with the strongest variable in third codon positions and less variable in first and second codon positions

    細胞色素b因序列變異分析表明: 1 )雁形目鳥類細胞色素b因全序列度一致,無插入和缺失:對照雞粒體密碼子全序列能全部翻譯成氨酸序列,無無義突變,全序列內部無終止密碼子; 2 )序列比對后1143加,含416個核著酸變異位點, 306個簡約信息位點,其中處於密碼子第三位的變異最大,第一位和第二位堿的變異相對較小。
  9. The general nonlinear propagation equations of four - lightwaves in birefringent fibers are deduced. the characteristics of polarization mode dispersion in 4 + 10gb / sdwdm system in dispersion - flattened fibers is studied. our results show that pmd exerts a detrimental influence on 4 x logb / sdwdm system in limiting transmission rate and the channel numbers

    本論文研究波分復用( wdm )中偏振模色散的影響,主要工作包括下面兩個部分:一、導出了四波光波在雙折射光纖中傳輸所滿足的一般非性耦合方程;在此礎上,研究色散平坦光纖中4 10gb sdwdm的偏振模色散特性,並且進一步研究了偏振模色散對不同通道間隔的4 10gb sdwdm的影響。
  10. In this dissertation, two kinds of optimization, methods are proposed. firstly, only these linking weights corresponding to the control rules that affect the control performance significantly are updated in order to reduce the compute works and speed up the training progress. secondly, the updating step is adjusted adaptively in accordance with the error and the change of error of the system based on the t - s model to get better performance

    針對模糊神經網路控制器一般存在著在權值調整計算量大、訓練時間、過度修正權值可能導致劇烈振蕩等缺點,提出了兩種模糊神經網路控制器的優化方法:在自學習過程中僅對控制性能影響大的控制規則相關的權值進行修正,以減小計算量,加快訓練速度;於t - s模糊模型,根據偏差及偏差變化率大小動態自適應調節權值修正步,抑制控制器輸出的劇烈變化,避免發生劇烈振蕩。
  11. Gps is a planet wireless conductance system which is global and all - weather, gps can offer high precision time orientation information to infinite user, clock precision reachs 10 ? 6 magnitude 。 not only changes traditional time method of quartz crystal clock, but also replaces wireless shortwave and even more lowfrequency signal and tv signal whose overlay range is limited and low precision, offers advantage to geology field task, achieve automatization and high precision of seismic flow observation

    利用gps授時信號全方位、全天候、連續性、實時性和高精度的特點,以gps信號為準來校準本地時鐘(晶體振蕩時鐘或原子鐘) ,將gps接收機輸出信號的期穩定度和恆溫晶振的短期穩定度相結合,應用大規模可編程邏輯器件,設計和實現了由pc104控制的實時在授時
  12. Meanwhile, a new system is set up and its maximal flux, the maximum online people, the longest response time are estimated and successful result is obtained sequentially

    以此為礎,構建了一個新,計算了該的最大流量、最多在人數和最的響應時間,取得一定的實際效果。
  13. On the base of analysing the ordinary design methods, aiming to the minimum annual cost or investment, taking the pipe length and water pump lift as decision - making variables, the linear programming models are presented to optimize the diameters of main network and field network

    論文首先分析了常規微灌規劃設計方法,在此礎上,以年費用或投資最小為目標,用離散管徑方法,以管段度和水泵揚程為決策變量,分別建立了水泵加壓式和自壓式干管管網優化設計以及田間管網優化設計性規劃模型。
  14. It is found that the fwm field can cause the asymmetry of electromagnetically induce transparency profile. in addition, the effect of different propagating orientations of probe field on the electromagnetically induced transparency is also discussed. in the molecular multi - level system with the perturbed superposition levels, we discuss the electromagnetically induced transparency, spontaneous emission enhancement, double dark resonance and double electromagnetically induced transparency by using the density matrix equation under weisskopf - winger approximation and dressed - state density matrix equation

    針對實際的實驗條件,考慮了一種影響量子干涉的新的因素-四波混頻場,研究了四波混頻場對雙光子探測的-型能級體的eit的影響,發現四波混頻場能夠導致雙光子探測的eit型的不對稱,在此礎上,討論了不同探測場的傳播方式對eit的影響,針對分子中實際存在的包含有微擾能級的不同多能級,我們分別採用綴飾態繪景下的密度矩陣方程和weisskopf - wigner近似下的密度矩陣方程詳細地討論了電磁感應透明、自發輻射的干涉相消和相、雙暗態共振和雙電磁感應透明現象。
  15. It possesses not only the self - learning ability and adaptability, but also the function of self - adjusting factors. based on fuzzy set, neural network theory, the fuzzy control model and fuzzy neural network control model of multi variable system are presented. based on the automatic core - welding line of shop floor control system in yangzhou radiator plant computer integrated manufacturing system ( ys - cims / sfcs ), the fuzzy logic theory was applied to the controlling device and established the main heating room fuzzy temperature controller and finally was put into practical use

    本文採用了於神經網路技術的智能pid控制策略,設計了一類具有自學習和自調整比例因子功能的神經元網路自適應pid控制器的結構及演算法;為解決結構不確定性的復雜多變量的控制,於模糊集及模糊、神經網路理論,建立了多變量的模糊控制模型及模糊神經網路控制模型;針對揚州水箱廠計算機集成製造車間管理與控制( ys - cims sfcs )中的實際工程問題,設計和開發了散熱器芯子烘焊自動主烘腔溫度模糊控制器,解決了生產中期存在的老大難問題,提高了產品質量,降低了單產能耗。
  16. The influence of y _ 2o _ 2s : eu phosphors fluorescent spectra, chroma and luminescence intensity is systematically studied when different concentration of europium is adulterated into different phosphors by means of xrd, fluorescent spectra analysis, time - basing spectra analysis, long - persistent fluorescent spectra analysis and so on ; the influence on y2c > 2s : eu phosphors structure, luminescence intensity and long - persistent curve is investigated when different concentration of mg24 " > ti4 " 1 " is adulterated into different phosphors, finding the most suited concentration of mg2 " * ti4 " 1 " ; base on the suited concentration of mg2 + > ti4 +, the influence rule on phosphors luminescence intensity and long - persistent curve with changing of eu + concentration is also studies. at the same time, by using rare - earths metals adulteration and theory of chroma synthesis, the possibility of sensitized buildup of phosphors and the synthesis of different color long - persistent phosphors is also researched

    應用x射粉末衍射( xrd ) 、熒光光譜、時間分辨光譜及磷光體余輝壽命測試等綜合實驗手段,較地研究了摻雜eu對熒光體y2o2s : eu熒光體的發光光譜、色度和發光強度的影響;研究了不同mg , ti含量對磷光體質結構性能、發光強度與余輝曲的影響及其適宜的摻雜濃度;此,研究了在給定mg , ti含量時,不同eu摻量對磷光體發光強度和余輝的影響規律;從稀土摻雜和色度合成原理分別探討了eu的發光敏化增強和制備不同光色余輝磷光體的可能性。
  17. Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases

    本文在sheppard和gumin等人的理論礎上,利用fourier光學成像理論,討論了不同熒光波對單光子和雙光子共焦顯微鏡成像特性的影響,導出了單光子和雙光子共焦顯微鏡的熒光功率傳輸函數、三維脈沖響應函數和三維光學傳遞函數,得到了它們在不同激發波與熒光波比值時具體的表達式,並且通過數值計算,得到了它們的曲圖,結果表明:隨著激發波與熒光波比值的增加,焦斑的橫向分佈和縱向分佈變窄,橫向解析度和縱向解析度提高,的成像效果變好,當激發波與熒光波的比值下降到一定程度時,可以看到不同程度的失錐現象。
  18. 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的片加熱材料的設計中,建立了非均勻等離子體溫度場綜合模型、復合介質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的片加熱設計提供了一條全新的技術路以指導片加熱材料的制備,並對片加熱材料進行了設計和優選,以獲取大面積均勻的溫度場區,甚至獲得大於片臺尺寸的均勻溫度區;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研究,地研究了在( 100 )單晶硅片上mpcvd沉積金剛石膜的實驗過程中,片預處理、甲烷濃度、沉積氣壓、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。
  19. The new system uses short base - line to avoid the long base - line phase illegibility to get the signal arrive angle with higher precision, then use the phase differences without illegibility and the arriving angle to detected the emitter ' s range

    首先通過短測角,去除接收機相位模糊,進而獲得更高精度的波達角度;然後通過無模糊的相位差側量值和波達角度估計值確定信號源與觀測站之間的距離。
  20. A new detection system applying moving platform, which overcomes the shortcoming of traditional long baseline time difference of arrival ( tdoa ) detection system, is presented, and its principle are also included

    摘要針對傳時差探測的缺點,提出了全新的動站時差測量並給出了目標的定位原理。
分享友人