線性相移 的英文怎麼說

中文拼音 [xiànxìngxiāng]
線性相移 英文
linear phase shift
  • : 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...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 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動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  • 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
  1. The ground screen is utilized to obtain enhanced mirror affect, yet due to the disequilibrium of the electricity feeding, the coupling loses balance, which results in a shift of zero point of the vertical pattern

    地網的作用是使地面能夠起到更好的鏡像作用,但是由於陣列對于地網結構而言饋電不均衡,導致了耦合的不均衡,結果是使得陣列的垂直面方向圖零點產生了偏
  2. According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground ' s vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle ' s gravity, steering radius, moving velocity, moving acceleration, and vehicle ' s orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics

    摘要根據履帶式車輛的運動特點,運用數力學中矢量分析理論和方法,推導了接地比壓為分佈時履帶式車輛在斜坡上轉向時,瞬時轉向中心偏量與車輛重心位置、轉向半徑、行進速度、加速度、車輛方位互關系的計算公式。
  3. Several semi - active control algorithms used in the semi - active suspension system with mr dampers are proposed and developed including the " on - off " voltage controller, the continuously linear variable voltage controller, the modulated continuously linear variable voltage controller based on " sky - hook " damping concept and the hybrid controller based on the combination of " sky - hook " damping concept and " ground - hook " damping concept and the fuzzy logic controllers using measurements of the relative displacement between the sprung and unsprung mass or the absolute acceleration of the sprung mass as the input variables of fuzzy logic controllers. the simulation models were prepared in matlab ? simulink ? fuzzy toolbox programs. the experiment setup of the semi - active suspension system with mr dampers in the lab has been designed and developed

    根據磁流變阻尼器特和對懸架系統動力學特的規律研究,為磁流變阻尼器設計了基於「天棚」阻尼控制概念的「 on - off 」 、連續和修正的連續控制策略,基於「地棚」阻尼控制概念的磁流變阻尼連續控制策略, 「天棚」阻尼和「地棚」阻尼控制概念組合起來的磁流變阻尼混合控制策略,根據模糊控制原理設計了以簧載質量和非簧載質量間對位或簧載質量加速度分別作為輸入變量的模糊邏輯控制器用於磁流變阻尼半主動懸架的智能控制。
  4. The rational spectrums of all kinds of virtual displacement definitions and commutativity of d, ? operations are given and testified in this paper. the research methods of intrinsical linear nonholonomic dynamics are similar to those of holonomic dynamics. the rationality and equivalence of chetaev model and vacco model in the intrinsical linear nonholonomic system are testified from the mathematic and mechanical aspects

    本文研究了非完整動力學中使不定問題確定化的交換關系和將非問題化的虛位定義,首次證明並給出了在非完系統中各種虛位定義與交換關系的合理適用范圍,指出完整動力學與本質非完整動力學在研究方法上具有
  5. 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

    利用虛位原理和更新的拉格朗日方法,導出了大位彈塑梁單元剛度矩陣的顯式表達式,在剛度矩陣推導中引入了截面內非剪應力和橫向應力的影響,剛度矩陣通過了剛體檢驗。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,它們各自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。
  6. S. consideration of interaction on the nonlinearity about the material, the geometry, and the boundary of the columns subject to axial force. biaxial hending, and torsion, an analytical model of hysteretic curve of columns is presented, based on the sectional cross - sectional discrete yieldsurface inodel, the bond slip in anchorage zones regarded as the boundary nonlinearity of a memher. and the iterative procedure of displacement of inner nodes on the basis of the hamonization of displacement

    5 、根據構件分段截面離散的屈服面模型法,把錨固區粘結滑看成構件的邊界非,以及基於位協調的內結點位迭代法,建立了能考慮構件壓(拉) 、雙彎、扭的材料、邊界、幾何非互影響的柱空間滯回曲分析模型。
  7. Solving the wire loop profile for which nonlinearity mainly caused by plastic - elastic forming is a challenging work, a finite element model has been proposed to simulate the wire loop profiling, in which beam23 has been selected as calculating unit, and the trajectory of capillary is divided into many displacement loads and applied on the wire step by step

    摘要針對引成形過程中的材料非和幾何非問題,選用塑變形梁beam23單元建立有限元模型,通過時引分階段分步施加位載荷模擬鍵合頭的運動軌跡,求解得到應的引輪廓形狀。
  8. Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo

    本文首先對數字減影血管造影( dsa )成像系統的組成結構和數據流向進行了深入研究和分析,並對系統中的數據流向進行了完整的歸納和總結,給出了x數字成像系統中的高速大容量數據通道的設計方案;在對sdram的控制方式做了深入探討后,給出了實現大容量多條sdram共同工作的解決方案,在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲;通過對pci總介面的深入研究,優化後端狀態機設計和低層驅動程序開發,給出了完整的pci介面方案實現高速dma數據傳輸,完全可以滿足視頻傳輸要求;深入研究了基於大規模可編程器件的數字系統設計方法,針對通用fifo使能信號漂、輸出數據難于建立和保持等設計難點,提出了利用fpga中的鎖環提供多個時鐘的信號來提高系統穩定的解決方案,從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。
  9. According to the frndamental and the steps of this method, we cans use the linear regress filter method to make the simulation of the wind load and then we can educe the curve of the time - process wind velocity. after that step, we can get the chart of the dynamic wind load which we can deliver the crosswind into the particle wind load and put them on the corresponding cell nodes. then we can do the analysis of the dynamical wind load through the time - process analysis to get the max value of the displacement

    根據回歸濾波器法的基本原理和步驟,藉助關軟體進行風荷載的人工模擬並得出風速時程曲,進而轉化為風動力譜,由此將橫風向風力表達成節點風荷載作用於應的單元節點上,按時程分析法對該空間桁架體系進行風荷載的動力分析,求出結構在進行風動力荷載分析時,結構應節點對應的最值位值。
  10. Linear independence of the integer trans - lates of compactly supported distribu - tions and refinable vectors

    緊支集分佈和可加細向量的整平
  11. Performance for a piezoresistive transducer pressure sensor to thermal and pressure environments can be predicted by finite element method. a simplified 1 / 8 model, considering silicon dioxide and nitride process as well as stack anodic bonding and adhesive bonding processes, was developed. the fem results were found to be comparable to experimental data. case studies suggested that pyrex stack induces certain amount of non - linearity, while it isolates hard epoxy nonlinear effect. flexible epoxy bonding or soft adhesive bonding is preferred to the packaging process. the viscoelasticity and viscoplasticity of bonding material will result in hysteresis and drift errors to sensor output. however, soft adhesive s influence on sensor can be ignored under relative stable environments. more over, detailed design and process information will help to improve modeling application

    熱、壓環境下壓阻變換壓力傳感器的能可以通過有限元方法預測.這里研究了簡化的1 / 8模型,模型考慮了二氧化硅和氮化硅生成過程及堆陽極鍵合和膠粘結合過程.結果發現有限元預測結果和實驗數據具有可比.範例研究表明,硼硅堆導致產生一定的非,但它隔離了硬環氧樹脂的非.在包裝過程中最好使用柔環氧黏合或軟黏膠結合.黏合材料的黏彈和黏塑將會導致傳感器輸出的滯后和漂誤差.然而,在對穩定的環境下,軟黏合劑對傳感器的影響可以忽略.此外,詳細的設計和過程信息有助於提高模型的適用
  12. According to more effect, when the hore component is placed in a gradient field, at the same time the direction of the current is perpendicular to the direction of the voltage, then between the two parallel side face come out the hore voltage. when hore component is set in this kind of uni - gradient magnetic field and the electric current is unchanged, the voltage output of hore component will be proportional to the position of the hore component in the magnetic field. so we can use the hore component to measure the movement of hore component against magnetic field

    根據霍爾效應可知,置於磁場中的霍爾元件若電流方向與磁場方向垂直,則在霍爾元件垂直於磁場和電流方向的兩個側面將產生電勢,將霍爾元件置於強度隨空間位置變化的磁場中,且控制電流恆定,輸出就正比于霍爾元件處于磁場中的位置,因此可以用霍爾元件來測量磁場與霍爾元件間的對位量。
  13. This theoretic model employs the basic idea of correlation measurement, achieve the density wave speed by the correlation of the signals of upper and lower sensors, and get the total flow rate and water cut through the theoretic relationship of density wave speed and total flow rate as well as holdup with the help of drift flux model so as to accomplish the oil / water two - phase flow measurement at last, using the limited available experiment data, the theoretic model has been simplified into an applicable linear alternative which is suitable to homogeneous oil / water two - phase flow measurement to accomplish the oil / water two - phase flow measurement using the density wave phenomena is of highly theoretically valuable for density wave theory research as well as oilavater two - phase flow measurement research. to develop new type oil / water two - phase flow instrumentation based on this theoretic measurement method will be very applicable and promising

    在此基礎上,針對穩態密度波理論提出了基於密度波理論的油水兩流測量理論模型,該模型以密度波傳播理論作為基礎,通過上下游傳感器信號關獲得密度波傳播速度,利用密度波傳播速度與總流量以及持率的理論關系結合漂模型來求解總流量和含率,實現油水兩流的測量,在理論分析的基礎上,在實驗資料有限的條件下,對基於密度波理論的油水兩流測量理論模型作了極限的簡化,提出了本文油水兩流測量理論方法應用在測量均勻油水兩流中的實用模型。
  14. Second, research and analyze the feature of signal of pulse compression radar, and discuss the principle and characteristic of pulse compression technique, that are linear frequency modulation and phase coding. the above two mathematic model is constructed, and shift - frequency noise is imposed on the models, and anti - nose ability is evaluated and simulated

    通過對脈沖壓縮雷達的信號特徵的研究和分析,通過研究調頻和位編碼脈沖壓縮技術的原理和特點,建立了這兩種雷達的數學模型,並對此進行頻干擾和位編碼雷達干擾,並進行干擾能的評估和模擬研究。
  15. By computing the between two resolution units, we can estimate terrain azimuthal slopes and derive estimate of terrain elevation. the terrain contour is determined uniquely by ay / from azimuth slop on range gates. american began to study p - sar three - dimensional images technology in 1990s

    Schuler已經證明,對於一個均勻分佈場景, sar圖像上兩個鄰分辨單元的極化橢圓方向角偏量,與地形方位向坡度的對應關系是唯一的,地形方位向的傾斜度可以通過解唯一地被測定。
  16. In view of the regression characteristic and the configuration maintenance demand of the regional coverage satellite constellation, the constellation configuration is optimized using the linear relations between the semi - major axis and inclination and the rates of change of the ascending node right ascension and phase, which enhance the long - term stability of the satellite constellation configuration, simultaneously the sub - stellar and the phase are controlled through changing the deviations of the semi - major axis and the inclination

    摘要針對區域覆蓋衛星星座的回歸特和構型維持需求,利用軌道半長軸和傾角與升交點赤經漂位角漂變化率之間的關系來優化星座構型參數,提高衛星星座構型的長期穩定,同時通過協同控制軌道半長軸和傾角漂量來實現區域覆蓋星座構型維持。
  17. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要能指標和技術特點,解析的研究了電子束在對論速調管放大器的調制腔和漂管中的預群聚;用粒子波互作用的場方法導出了在輻射腔中預群聚電子束產生輻射的自洽方程,同時對區的增益進行了計算。理論分析表明,場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的諧振頻率、間隙阻抗實部和外觀品質因數等特參數。
  18. The preferences are analyzed, pipe ’ s parameters such as depth, thickness, pipe diameter, and mechanical property of material ; soil parameters such as soil types, internal friction angle, pipe - soil interaction ; fault ’ s parameters such as fault types, fault throw, fault drop, fault - pipe angle, mechanical property of material ; load types such as gravity force, linear displacement load, seismic load and seismic wave. some conclusions are drawn from the calculating results : when buried pipes cross fault, pipe ’ s embedded depth should be shallow, and big pipe diameter and thick wall should be selected. avoid the site where fault moves severe, and select suitable pipe - fault angle

    在有限元三維模型建立中考慮的因素有:管道自身參數如管道埋置深度、管壁厚度、管徑、管道材料等;巖土材料參數如土體類型、巖土的內摩擦角、管土互作用等;斷層考慮有斷層類型,斷層斷距,斷層錯動距離,斷層與管道的交角,斷層材料的考慮等;荷載分別考慮靜荷載,動荷載,其中動荷載包括加載、地震力加載和地震波加載等。
  19. ( 2 ) taking the nonlinear energy transfer property of the photorefractive two - beam coupling in the sbn : 61 crystal doped with 1000ppm cr and the knsbn crystal doped with 0. 07wt % ce, edge - enhancement preprocessing can be achieved, which will results in the larger normalized intensity and narrower width of the correlation peaks. and the discrimination of the jtc is greatly improved

    ( 2 )利用sbn : 61 : cr晶體( 1000ppm )和knsbn : ce晶體( 0 . 07wt )的二波耦合能量非,對聯合變換關器的輸入圖像進行邊緣增強預處理,提高了關峰的歸一化強度,減小了關峰的半寬度,從而大大提高了關器的識別能力。
  20. Phase - shifting errors have a great influence on the measuring - accuracy. a few of algorithms have been developed to solve linear phase - shifting errors, but ca n ' t solve the problem of random phase - shifting errors. an iterative least - squares fitting method has been proposed by in - bok kang to solve random phase shift errors in each interferogram

    在這種方法中的誤差對測量結果的準確有較大影響,雖然已經出現了不少演算法能解決線性相移誤差,但要解決過程中的隨機誤差問題,還存在一定的困難。
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