正交相位 的英文怎麼說

中文拼音 [zhēngjiāoxiāngwèi]
正交相位 英文
quadrature phase
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ動詞1 (把事物轉移給有關方面) hand over; give up; deliver 2 (到某一時辰或季節) reach (a cert...
  • : 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...
  • : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
  • 相位 : phase position; phase
  1. The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial. the relations among the magnetic vector potential, the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one. it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given

    利用坐標旋轉后球坐標變量間的關系和連帶勒讓德多項式的性質推導得到了n次1階球諧函數的加法公式;以遞進的方式說明磁矢量、修磁矢量與二階矢量的關系,寫出了引入二階矢量的過程;以時諧場矢量邊值問題為例,闡明了不同坐標系下電磁場解的互轉化原理,給出了一個解析解的轉化例子;在球坐標下,引入了較球矢量波函數更普遍的兩類矢量函數,給出了其在球面上的關系。
  2. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種調制方式( 16qam和4 - qpsk )進行了模擬工作並給出了模擬結果,同時討論了碼元同步定時誤差對鎖環路工作的影響並根據流星通信中使用變速率傳輸時鎖環路的載波同步性能進行了測試;然後在基於軟體無線電思想的數字處理平臺(該數字處理平臺實現了中頻數字化)上用dsp軟體完成了載波的跟蹤。
  3. The former was related to mn doping, both of p - carries supplied by la3 + or oxygen hole and n - carries induced by changing mn4 + into mn3 + can be locally displaced and simultaneously response with external electric field., furthermore due to the overlaps between positive and negative carries. the latter was due to the phase transformation between orthorhombic and cubic, which was in fact the curie point

    前者為la ~ ( 3 + )和氧空等產生的p型載流子和mn離子變價引入的n型載流子在外電場下發生局域重排產生的載流子極化,且由於負載流子的迭加效應所致,該介電峰與mn離子的摻入關;後者為體系出現應的與立方結構的轉變所致,也即居里點。
  4. The equations of motion governing the axisymmetric elastic deformation of finite orthotropic cylindrical shells, involving the effect of transverse shear and rotational inertia, are derived. by applying the reverberation method, the displacement and the resultant forces of the shell in the phase space are expressed. then the transient waves in the finite orthotropic cylindrical shell subjected to the axisymmetric impact are obtained by using inverse laplace transforms. furthermore, the transient solutions are decomposed to the generalized ray integrals and computed numerically

    分析了計及剪切變形和轉動慣性的有限長異性圓柱殼中彈性瞬態波的傳播問題,採用回傳矩陣法,在空間中給出了移和內力的表達式。再利用laplace逆變換,得到異性圓柱殼受軸對稱沖擊作用時彈性瞬態波解,然後將其分解為若干廣義射線積分之和,並用數值方法求解之。
  5. Internal bio - field tumor thermotherapy system : internal bio - field thermotherapy, in abbrevitation, uses two high frequency sources with different frequencies and phases to cross act human body. it is kind of therapeutic method which could heat the whole or locals with physical energy, without damages of normal tissue, while directly inducing apoptpsis of tumoe cells

    內生場熱療系統是採用兩組不同頻率的高頻源叉作用於人體,利用物理能量加熱全身或局部,既不損傷常組織,又使腫瘤細胞凋亡的一種治療方法。
  6. Utilizing the idea of sfs ( shape from shading ) and the facial constrained information, we reconstruct face model by single frontal face image. we utilize orthogonal image method to generate individualized face model by adjusting the parameters of the candide - 4. we realize an algorithm based on minimum features for rapid face modeling from video, by tracking feature points, calibrating exterior parameter, estimating 3d location of feature points

    利用shapefromshading的思想和人臉的約束信息實現了基於單幅面人臉圖像的重建;以candide - 4的參數調整為手段實現基於兩幅圖像的人臉模型重建;通過跟蹤視頻中的特徵點,標定機外參,進而估計特徵點的3d置,實現了基於一段視頻中小特徵點集的人臉建模演算法。
  7. The thesis reviews the theory which is the basis of synthetic aperture processing and introduces five algorithms of image reconstruction : the coherent addition provides a good opportunity for the real time sas ; the envelope processing can work when sonar echo returns lack phase coherence ; the i - q processing can reduce the sampling rate ; the broadband and ctfm processing are both aimed to increase the sas mapping rate

    討論了用於重構圖象的五種演算法,包括簡單的可進行實時處理的關合成法,可以在缺乏信息時使用的包絡處理法,可以降低采樣率、減少運算量、存儲量的處理法,可以提高聲納運行速度,從而提高成象率的寬帶處理法和ctfm法等五種演算法。
  8. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想電路因素(如不平衡、幅度不平衡、直流偏差等)對調制器性能的影響;其次,介紹了鎖環的工作原理和基本組成部分,包括鎖環的設計和環路濾波器的設計,特別詳述了電荷泵鎖頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。
  9. When the nopa was operated at amplification, the epr states with amplitude - quadrature correlation and phase - quadrature anticorrelation were generated firstly in 1999. the product of the amplitude and phase quadrature correlation degrees was 0. 727 0. 004 < 1 ; after the laser source was reconstructed, the epr beams with amplitude - quadrature anticorrelation and phase quadrature correlation were obtained in 2001 and the product of the correlation degrees was 0. 332 0. 003 when the nopa was operated at deamplification. 2

    參量放大過程產生的糾纏光束具有振幅關聯、反關聯的特性,乘積關聯度為0 . 727 0 . 004 1 ;改進光源后,利用參量反放大( deamplification )過程產生了振幅反關聯、關聯的明亮epr糾纏光束,乘積關聯度達到0 . 332 0 . 003 1 。
  10. Finally, this dissertation discusses the application of traffic control method in improving measures of urban transportation environment. the illustration example indicates that, by reasonably limiting the speed of urban vehicles and alternating the signals at grade intersection, the total emission of motor vehicles can be reduced while assuring normal transportation operation

    本文最後討論通管理方法在城市通環境改善方面的作用,通過示例分析,合理地進行車輛限速和對差合理微調可以在保證常運行的條件下減少機動車污染物排放量。
  11. The ideal power system needs to be supplied with sine voltage whose frequency and amplitude are both stable. to three - phase ac power system, the currents and voltages must be equal of amplitude and the phase - shift between each other should be 120 of positive order

    理想的電力系統要求以頻率和幅值穩定的弦電壓進行供電;對於三流電力系統,各電壓和電流應處于幅值大小等、互差120的序對稱狀態。
  12. Based on the pull - out tests data between geogrids and expansive soil / sands arranged by the orthogonal table l9 ( 34 ), the following conclusions are reached : 1 ) the displacement - properties of pullout tests depend on the pullout speed. the law of factors " affecting degree, which influences the parameters between geogrids and soils in the pulling - out procedure, is obtained. with the concept of " equivalent pull - out displacement ( x ) " brought forward, the whole process of pull out tests is divided into two process - " main process ( when x 1. 0 ) " and " residual process ( when x 1. 0 ) ", and three stages - static friction resistance stage, slip friction resistance stage, and residual friction resistance stage

    基於設計表l9 ( 3 ~ 4 )分別安排了影響因素與土工格柵膨脹土或砂土界面互作用參數的拉拔試驗數據,獲悉: 1 )拉拔試驗移特性主要取決于影響因素中拉拔速率;通過分析並獲取影響因素對筋土界面互作用參數的影響程度及其在拉拔試驗過程中的變化規律,提出了當量拉拔移( x )的概念,並據此將拉拔試驗全過程劃分成「主過程( x 1 . 0 ) 」和「殘余過程( x 1 . 0 ) 」 ;且將影響因素對拉拔力或摩擦阻力系數的影響程度分成三階段(靜摩擦阻力階段、滑動摩擦阻力階段,殘余摩擦阻力階段) ; 2 )不同(規范)定義的筋土界面摩擦阻力系數數值差較大,但影響因素對摩擦阻力系數影響程度及其變化規律不會因不同(規范)定義而受到影響。
  13. It is found that, tinder certain conditions, the first or the second perpendicular phase component of the multi - mode functional superposition stale ligh field can present any generalized nonlinear equal - power higher - power sum - squeezing effect which changes periodically

    結果表明,在一定的條件下,該態的第一正交相位分量(即廣義磁場分量)和第二正交相位分量(即廣義電場分量)分別呈現出周期性變化的廣義非線性等冪次高次和壓縮效應。
  14. The results show that under the condition of the squeezing - power - number being an any even number or the pruduct of the squeezing - power - number and the total cavity - mode - number being an any even number, if some certain and fixed conditions are satisfied respectively by the initial phase of each mode in the state or the sum of the initial phase of each mode in the same state mentioned above, by the initial phase difference between any two components in the state, and by the sum of mean photon - numbers, which are modulated by the initial phase of each mode in the state mentioned, of all the single mode coherent states light field, the state can always display the effect of generalized nonlinear equal - power n - th power y - squeezing, or present the effect of generalized nonlinear equal - power n - th power h - squeezing, that changes alternatively and periodically

    結果發現:在壓縮次數取偶數或者壓縮次數與腔模總數這兩者之積取偶數的條件下,若各模的初始或者各模的初始和、態間的初始差以及受各模的初始調制的各單模干態光場的平均光子數之總和等分別滿足一定的取值條件,則態| ~ ( ( 4 ) ) _ q的第一和第二這兩個正交相位分量總可分別呈現出周期性變化的、西北人學碩{ _學論文摘要廣義非線性等冪次n次方y壓縮或者等冪次n次方h壓縮效應。
  15. This chapter introduces one technique which based on encrypting the access of storage data, this can be done by coding the phase of reference beams by use of orthogonal - phase - code

    介紹了一種基於對接入加密數據通道進行加密的方法,即對參考光的進行正交相位編碼; 4 .雙隨機編碼加密光存儲。
  16. This chapter discusses two models of optical information channel of holographic system : intensity model and amplitude model, and discusses some methods overcoming noises by use of these two models. s. encypting holographic data storage based on orthogonal - phase - code multiplexing

    詳細講述了光通道的兩種模型:光強度模型和光幅度模型,並利用這兩種模型討論了克服噪聲的一些措施; 3 .正交相位編碼全息光存儲。
  17. It is found that whether the squeezing - power - number is an odd or even number, or whether the product of the squeezing - power - number and the total cavity - mode - number is an odd or even number, while some fixed conditions are satisfied respectively by the initial phase of each mode in the state or the sum of the initial phase of each mode in the same state, by the initial phase difference between any two components in the state and by the sum of mean photon - numbers, which are modulated by the initial phase of each mode in the state involved, of all the single mode coherent states light field, v the state can always display the effects of generalized nonlinear equal - power n - th power y - squeezing and unequal - power nj - th power y - squeezing, or present the effects of generalized nonlinear equal - power n - th power h - squeezing and unequal - power nj - th power h - squeezing, which changes alternatively and periodically

    結果發現:無論壓縮次數或者壓縮次數與腔模總數這兩者之積取奇數還是取偶數,只要各模的初始或者各模的初始和、態間的初始差以及受各模的初始調制的各單模干態光場的平均光子數之總和等分別滿足一定的取值條件,那麼態| _ 5 ~ ( ( 3 ) ) _ q的第一和第二這兩個正交相位分量就可分別呈現出周期性變化的、廣義非線性等冪次n次方y壓縮和不等冪次n _ j次方y壓縮或者等冪次n次方h壓縮和不等冪次n _ j次方h壓縮效應。
  18. A study of the property of generalized nonlinear unequal - power nj - th power y - squeezing and nj - th power h - squeezing on a new type of multi - mode superposition state of the equal - intensity of symmetry superimposition state with distinguishable two quantum states light field. it was found that two quadrature phase - components of state always present cyclic - changed symmetry - complementary relation ; besides we can abtain that under the condition when nj = n, the result of document 26 and document 27 is only a special circumstance, but the result in this thesis is generalized appearance

    結果發現:態, v恩)的兩個正交相位分量的廣義非線性不等冪次n _ j次方y壓縮及n _ j次方h壓縮效應總是呈現出周期性的對稱互補關系:另外,文獻26及文獻27中的研究結果僅僅只是本文的一般性理論結果在壓縮次數n _ j = n ( j = 1 , 2 , 3 , … , … , q )這一條件下的特例。
  19. The major content of this thesis is arranged as follows : qa study of the property of arbitrary high - power generdlized nonlinear equal - power n - th power y - squeezing and n - th power h - squeezing of multi - mode superposition state of the differ - intensity of nonsymmetry superimposition state with distinguishable two quantum states in the kind ( ii ). it was found that under certain conditions, two quadrature phase - components of state vj / [ ] b ) always present cyclic - changed symmetry - complementary relation ; and from this we can conclude that equal - intensity of symmetry superposition state with distinguishable two quantum states can present equal - power n - th power y - degenerate - squeezing and equal - power n - th power h - degenerate - squeezing appearance, and differ - intensity of nonsymmetry superposition state with distinguishable two quantum states can remove equal - power n - th power y - degenerate - squeezing and equal - power n - th power h - degenerate - squeezing appearance

    結果發現:態, v鏟)的兩個正交相位分量的廣義非線性等冪次n次方y壓縮及n次方h壓縮效應總是呈現出周期性的對稱互補關系;並且得出,強度等的對稱兩態疊加是導致出現「等冪次n次方y壓縮簡並」及「等冪次n次方h壓縮簡並」的本質原因,而強度不等的非對稱兩態疊加則是消除「等冪次n次方y壓縮簡並」及「等冪次n次方h壓縮簡並」現象的有效途徑。
  20. Although encrypted optical holographic storage such as double random phase encoding and encrypted orthogonal phase encoding have been validated to be correct, but they can apply only one pace of encryption, which can not meet the need of encrypting the very inportant informations

    雖然光全息加密技術如雙隨機編碼和正交相位編碼技術在理論和實驗上都已得到驗證,但它們都有一個缺點就是只能對數據進行一重加密。這對于保密一些非常重要的信息是不能滿足需求的。
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