自相矩陣 的英文怎麼說

中文拼音 [xiāngzhèn]
自相矩陣 英文
autocorrelation matrix
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : 名詞1. (畫直角或正方形、矩形用的曲尺) carpenter's square; square2. (法度; 規則) rules; regulations 3. [物理學] moment
  • : Ⅰ名詞1 (作戰隊伍的行列或組合方式) battle array [formation]: 布陣 deploy the troops in battle fo...
  • 矩陣 : [數學] matrix; array
  1. For the anticounterfeiting of printings ( such as certificate ), the existent many ways ( such as rainbow holograms ) are not available as the need for special use : anti - distortion and anti - copy. basing in the double - random - phase transform, this article puts forward a new way that two - dimensional bar code is used as anticounterfeiting label with anti - printing ? scanning and anti - damage properties. the major job are : ( 1 ). basing in the ascii codes, numerals and alphabets are encoded and subsequently transformed into two - value bar code matrix figure. later, using amplitude - based double - random - phase transform, the enciphered gray scale figure is formed. by computer simulation ( 4f system ) and printing as well as scanning ( 20 times ), we get the result that the gray scale figure with little miscoding rate ( 0. 0026 ) by “ matrix expanding way ”

    本文主要開展了以下三項研究工作: ( 1 ) .用定義編碼方案,將數字和字母( ascii碼)轉換成二值條碼圖;對該圖形進行振幅型雙隨機位加密變換,得到原信息的加密灰度圖;通過4f光學系統計算機模擬和列印-掃描實驗,證明本文提出的「擴展法」灰度圖具有較小的誤碼率,對於20次列印-掃描實驗,誤碼率不大於0 . 0026 。
  2. Witten ' s open string field theory formulate the interaction of bosonic open strings in the language of noncommutative geometry. compactification of matrix theory on the noncommutative torus was argued to correspond to supergravity with constant background three form tensor field. more generally, it has been realised that noncommutative gauge theory arises in the worldvolume theory on d - brane in the presence of a constant background b field in string theory

    Witten的開弦場論用非對易幾何描述了玻色開弦的互作用;在非對易torus上的理論的緊化對應于帶有常數三形式張量場的超引力;更為普遍的,非對易規范理論可以然地產生在帶有常數b背景場的三維d - brane上。
  3. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位所滿足的洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。
  4. Based upon virtual displacement method and the updated - lagrangian approach, stiffness matrices for two - dimensional elastic - plastic beam model in large displacement were proposed, in the derivation of which transverse stress was included because it was believed that part of the 2nd order effects of various stresses, which are in equilibrium with each other and with the external loads, will counteract each other and neglecting either part would possibly lead to incorrect results

    利用虛位移原理和更新的拉格朗日方法,導出了大位移彈塑性梁單元剛度的顯式表達式,在剛度推導中引入了截面內非線性剪應力和橫向應力的影響,剛度通過了剛體檢驗。之所以要引入橫向應力的影響,是因為本文認為,保持平衡所需的所有應力,它們各的二階效應會互抵消,因此忽略其中的任何一項都可能導致不正確的結果。
  5. Due to the moving base existence of the minehunting and the frame structure characteristic of the sonar array, a new modeling thought in which the boat body coordinates is regarded as moving coordinates and the whirligig equation of sonar array compared with the self coordinates is founded on the basis of the euler ' s theorem and the coordinate transform is introduced. the dynamic equations of minehunting sonar array with the state matrix form are founded by settling the dynamic models with the vector form. so it offers theory foundation for analyzing the dynamic characteristic and designing robust control

    由於獵雷艇作為動基座的存在和聲納基的框架結構特點,提出了以艇體坐標系為運動坐標系,運用變形的歐拉定理和坐標變換建立聲納基身坐標系的旋轉運動方程的建模思想;將所建立的矢量形式的動力學模型展開整理,獲得了狀態形式的獵雷聲納基動力學方程,為系統動力學模型的實用化奠定了基礎。
  6. For this, the paper combines some thoughts such as role, agent, and service. it also proposes the developing framework of a role - based collaborative software with the object - oriented model technology and imitatively realizes the interacting and cooperating process of the members in developing activities. firstly, to overcome the difficulty of members ’ fuzzy realism to roles, this paper organizes supplying and requiring servvice set, bridges the reflecting relationship between roles and services and realizes the clear definition and dynamic transformation of roles through modifying service set and service - role registered table

    為此本文結合角色、 agent 、服務等思想,利用面向對象建模技術提出一種基於角色的協同軟體開發框架,主要工作有:首先針對成員在開發過程中對角色認識模糊的困難,本文為角色組織了供給和需求兩組服務,建立了角色與服務之間的映射關系,通過修改服務集和服務-角色登記表,實現了角色的清晰定義和動態修改,與傳統方法比,清晰角色有利於成員明確身所承擔的職責和擁有的權限;同時為簡易成員查找角色的復雜過程,提出一種靈活的角色查找方法,利用角色匹配和角色推薦演算法,匹配出符合成員要求的一組近似角色,降低了角色查找的難度。
  7. Second, we compute the self - impedance through cavity modal theory and mutual impendance based on reaction theory respectively. then the generalized impedance matrix that reflects the effect of mutual coupling is formed. at last, the effect of mutual coupli ng on 2 - d doa estimation algorithms is investigated and two efficient methods of mutual coupling compensation are proposed

    本文首先對兩種二維doa估計演算法? ssm法和二維酉esprit法的性能進行了比較,用空域平滑演算法解決了干源的二維doa估計;其次運用腔模理論計算微帶天線的阻抗,用反應原理計算微帶天線間的互阻抗,進而形成計入互耦影響的廣義阻抗;討論了互耦對二維doa估計的影響,提出了兩種互耦補償的方法。
  8. Because the adaptive algorithm of conventional adaptive noise canceller is the least mean squares ( lms ), and the convergence rate of lms is heavily dependent on the eigenvalue distribution of the autocorrelation matrix of the input signal, thus lms converges at unacceptably low rates when the input signal is colored noise or speech

    由於傳統適應噪聲抵消系統( anc )適應演算法主要採用lms演算法,而lms演算法收斂速度依賴于輸入信號特徵值的分散程度。因此,當輸入信號是語音或有色噪聲時, lms的收斂速度很慢。
  9. Present methods generally based on the statistics of earthquake damage, expert experiences, theory analysis and experimental researches have obvious advantages, disadvantages and certain scopes of application ; ( 2 ) different prediction methods should be adopted against different building conditions, sites, intensity and experiences etc to predict earthquake damage of buildings for prospective accuracy, dependability and availability ; ( 3 ) earthquake damage matrix, which is the foundation of earthquake damage prediction, of 7 kinds of building in the urban areas of zhangzhou city under intensity 6 to 9 has been set up. the damage conditions of different buildings under different intensity are as followings : all kinds of structures are basically intact under intensity 6 ; the reinforced concrete structures are basically intact under intensity 7, but other kinds of structures are destroyed slightly ; the reinforced concrete structures are still basically intact while other kinds of structures are destroyed intermediately under intensity 8 ; the reinforced concrete structures are destroyed slightly, single - story factories and open houses are destroyed intermediately and other kinds of structures are destroyed seriously under intensity 9 ; ( 4 ) the results of earthquake damage predicting of buildings embody the damage when earthquake happens in the future. thus, further identifications and reinforcements should be considered to buildings that will be destroyed intermediately or more under the earthquake with 10 % exceeding probability in future 50 years ; ( 5 ) the direct economic losses caused by damage of buildings resting with the area, structural type, intensity and damage of all kinds of buildings are the main part of the losses of the city in an earthquake ; ( 6 ) the direct economic losses increased progressively toward high intensity by 2 or 3 times

    基於上述研究,得出的主要結論有:建築物震害預測是一個模糊的、系統的、復雜的問題,現有的方法很多一般都是以震害統計規律、專家經驗、理論分析和試驗研究為依據,有其身的優缺點和一定的適用范圍;應針對不同的建築物條件、場地條件、地震強度和已有經驗等,採用不同的預測方法進行建築物震害預測,以使預測結果達到預期的精確性、可靠性和可操作性;建立了漳州市區7類建築物在6度9度地震作用下的震害,成為指導抗震防災的重要依據,各類結構的震害情況表現為: 6度地震作用下各類建築物基本完好; 7度地震作用下除鋼筋混凝土結構基本完好外其餘以建築輕微破壞為主; 8度地震作用下鋼筋混凝土結構仍以基本完好為主而其餘建築以中等破壞為主; 9度地震作用下鋼筋混凝土結構以輕微破壞為主,單層工業廠房和空曠房屋以中等破壞為主,其餘建築以嚴重破壞為主;建築物的震害預測結果體現了未來地震來臨時的震害程度,在編制漳州市區抗震防災規劃時,對于遭遇50年超越概率10的地震影響發生中等以上破壞的建築物應考慮進行抗震鑒定和加固;由建築物的破壞所造成的直接經濟損失是城市地震經濟損失的主要部分,重慶大學碩士學位論文中文摘要其主要與建築物總面積、結構類型、地震烈度和各類建築物的震害程度有關;不同烈度造成的直接經濟損失按2一3倍向高烈度方向遞增,漳州市區直接經濟損失由6度至9度的比例關系為1 : 2 . 8 : 8 . 6 : 22 . 8 ;遭遇基本地震設防烈度( 7度)時,漳州市區直接經濟損失約4 . 5億元,無家可歸人員約40000人,且以磚木結構和多層磚混結構的震害損失最大;地震造成的人員傷亡主要與建築物倒塌及嚴重破壞的程度和總面積以及震時的建築物室內人數密切關,地震時無家可歸人員主要與住宅倒塌、嚴重破壞及中等破壞的程度和總面積以及城市人均居住面積密切關。
  10. 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-型能級體系的eit的影響,發現四波混頻場能夠導致雙光子探測的eit線型的不對稱,在此基礎上,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系統,我們分別採用綴飾態繪景下的密度方程和weisskopf - wigner近似下的密度方程詳細地討論了電磁感應透明、發輻射的干涉消和長、雙暗態共振和雙電磁感應透明現象。
  11. If one finds oneself ascending through the matrixes, intend to disengage and reweave the associated grid work back inside of the form

    如果你發現己正在透過而提升,那麼就意願斷開,並將關的晶格層重編回身體中。
  12. Firstly, based on a modified lyapunov function and the approximation capability of the first type fuzzy systems, two new design schemes of decentralized adaptive fuzzy controller for two class of similar multivariable nonlinear continuous systems with a triangular matrix function control structure is proposed in this paper, respectively

    本文首先對兩類結構似的具有下三角形函數控制增益的多變量非線性連續系統,基於一種修改的李亞普諾夫函數,並利用第一類模糊系統(即具有線性可調參數的模糊系統)的逼近能力,分別提出一種分散適應模糊控制器設計的方案。
  13. Firstly, the notion of the form as a = > b [ s %, c % ] is researched and some algorithms are discussed. an algorithm named a progressive refinement approach to spatial data mining is discussed in detail. and a new thought of mining spatial association rule based on spatial data cube is brought forward

    闡述了a = > b [ s , c ]形式的空間關聯規則的基本概念和演算法,詳細研究了一種逐步求精的空間關聯規則挖掘演算法的實現;提出一種基於空間數據立方體的空間關聯規則挖掘的新思路;將空間統計分析引入空間關聯規則挖掘領域,研究了空間權重、空間關、空間關聯等的度量函數,並利用空間統計分析技術發現空間關關系和空間關聯規則。
  14. Within the framework of sparse bayesian learning, the algorithm extends the relevance vector machine by combining global and local kernels adaptively in the form of multiple kernels, and the improved locality preserving projection ( llp ) is then applied to reduce the column dimension of the multiple kernel input matrix to achieve less training time

    在稀疏貝葉斯學習的框架下,該演算法首先以多核形式適應結合全局核函數和局部核函數擴展關向量機,然後應用改進的保局投影來約簡多核輸入的列維數以減少訓練時間。
  15. Then, sage adaptive filtering usually used in kinematic gps navigation and positioning and its shorcoming are analyzed. the weights of measurement residuals and state correction residuals are modified according to the self - correlation property of colored noise and robust estimation. the procedure of weighte d prediction of covariace matrix not only resists the influence of outlying kinematic model errors, but also controls the effects of measurement outliers

    然後,分析了目前常用於有色噪聲處理的sage適應濾波及其在動態gps導航定位應用中的缺陷,並依據有色噪聲的關特性和抗差估計調整觀測殘差和狀態改正數的權比,再通過加權預報控制殘留在其中的異常對協方差適應估計的影響。
  16. Then, the numerical calculation to the reflection light spectrum is deduced by utilizing berremam ’ s 4 4 matrix, which will supply theoretical gist to the following experiments. at last, the psct with better planar structure is achieved, and the psct is bistable at zero field

    本論文首先簡要介紹了膽甾液晶身特有的光學特性,然後利用berrenman 』 s4 4方法對膽甾液晶的反射光譜進行了數值理論計算,從而為下一步製作psct提供了理論依據。
  17. In a word, a new method that theoretically calculates the relativistic corrections and the fine structure of the energy levels in two - electron atom, including the atomic hamiltonian expressed by spherical tensors, the calculation of the angular matrix elements and the summations over spin of the various interactions in the atomic hamiltonian, and the approximate calculation of the radial matrix elements, has been provided in this thesis

    總之,本文為雙電子原子能級的對論修正和精細結構的理論計算提供了一種新的方法,包括原子哈密頓算符的球張量表示方法、原子哈密頓中各種互作用項的角向元和旋求和的計算方法,以及徑向元的近似計算方法
  18. It also discusses the spatial characteristics of club convergence by virtue of visualizing its spatial structure. then, the paper constructs the matrix of spatial markov chain on the condition of

    然後,以空間滯后量為條件構建了空間馬爾可夫鏈轉移,研究了空間要素(空間外溢、空間關、區位)在區域經濟俱樂部趨同過程中的作用。
  19. In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given

    從光路、光學元件的行設計到理論分析計算,初步建立了一臺實驗系統;採用abcd法結合collins公式計算了四通式單光柵展寬器的展寬量,並模擬了關參數對展寬比的影響,對實驗具有指導意義;評價了再生放大器和多通放大器的優缺點,對放大過程中通常忽略的放大發輻射現象( ase )進行了分析,並提出了應的解決方法;針對放大過程中出現的增益窄化和增益飽和現象,對輸入種子脈沖提出了一種新的分段頻率調制函數,實現了對增益窄化效應和增益飽和效應的共同抑制;提出了系統的材料(包括放大介質和光路中的普通介質)正是融合高階色散的來源。
  20. The nucleon dbhf self - energy in the nuclear medium, therefore, can be calculated with the g matrix in the relativistic hartree - fock approximation. with the calculated nucleon self - energy in the dbhf, we extract nucleon effective interactions hi the framework of the relativistic mean field theory ( rmf ), which contains the effect of the nucleon - nucleon short - range correlation and information of the isospin structure. applying the effective interaction, which is composed of density dependent meson - nucleon coupling constants, we study the properties of finite nuclei and come to some useful conclusions

    本文應用對論dirac - brueckner - hartree - fock ( dbhf )方法,利用新的g分解方式g = v + g ,用g對論hartree - fock近似下,即等效的dbhf方法,系統地討論了對稱、不對稱核物質及中子物質的性質,利用對稱及不對稱核物質中能的dirac結構,我們提取出含有核子-核子短程關聯效應和同位旋結構信息的有效互作用介子耦合常數,並對有限核的性質做了詳細的討論,得到不少有意義的結果。
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