換向參數 的英文怎麼說

中文拼音 [huànxiàngshēnshǔ]
換向參數 英文
commutating parameter
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 參 : 參構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. In the system, the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high - speed photoelectric transition and electronic data process. two measured results of the diametric directs and ellipse tolerance, etc, parameter, of the turning workpiece on the same plane are obtained by non - contact automatic measurement

    在單向激光掃描檢測技術的基礎之上，提出了一種雙向激光掃描檢測系統，其採用激光掃描檢測技術與特殊光學系統相結合，用準直半導體激光掃描光束對被測工件徑向某一截面的兩個相互垂直方向同時掃描，經掃描接收光學系統、高速光電變換、電子學系統和微機數據處理系統，對將攜帶有垂直方向被測量信息的光束進行處理，實現了回轉體工件同一截面兩個垂直方向的徑向尺寸和橢圓度等參數的非接觸自動測量，解決了同時非接觸測量回轉體零件同一截面兩個徑向尺寸的難題，它具有高速，高精度和非接觸自動測量等特點。
  2. The specific research methods are listed : 1. matched filter taking the max ouput snr as the best rule correlates nonstop divided signal and divided echo to detect low snr target signal. then all one dimension divided correlation outs and done fft in portrait to leach interferential signal such as static or low rate mussy meaves, many pathway echo and so on and to take target ' s time difference and doppler frequency that combine parameters that target ' s direction taken from antenna and so on to implement target ' s orientation and tracking

    具體研究方法如下： 1 、採用以輸出信噪比最大為準則的最佳匹配濾波器來對分段的參考和目標信號作相關處理來檢測低信噪比目標信號，然後對一維分段相關輸出組作縱向傅立葉變換來濾除靜態或低速的雜波、多徑回波等干擾信號，並提取目標的時差和多普勒頻率，再結合由天線獲得的目標方向等參數，就可以實現目標的定位和跟蹤。
  3. In this paper, a workflow model simulation environment based on object petri net is constructed. under this environment, a workflow model can be parsed and transformed to an opn - based simulation model, then the simulation parameters should be set and the simulation model can be put to use

    本文構建了一個基於面向對象petri網的工作流模型模擬環境，將建模工具生成的工作流模型解析出來后，再轉換成面向對象petri網形式的模擬模型，然後設置模擬參數，將該模型投入模擬運行。
  4. First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled

    首先在推導超聲相控線陣換能器聲場的指向性的基礎上，就各個晶片幾何參數對指向性指標（主瓣寬度、旁瓣幅度、消除柵瓣） 、聲壓幅值、陣元振動模式、陣元間互輻射、有效檢測區域、精確控制能力、近場長度等方面的影響進行了論述，並在綜合各方面影響的基礎上，提出了晶片幾何參數優化設計的原則和方法，編寫了設計程序和界面。
  5. In this paper, through treating lines reciprocal transformation to a matrix, cogradiently reach the eigenvalue and eigenvector of a matrix, to solve the question treat a eigenvalue under without parameters, and given some advanced theorems

    摘要通過對矩陣進行行列互逆變換，同步求出矩陣特徵值及特徵向量，解決了不帶參數求特徵值問題，並給出一些新定理。
  6. This paper discussed the coordinate transformation method of wgs84 coordinate system to 1954 - beijing gauss grid coordinate. introduced transformation model of wgs84 to beijing 54 and computing method of transformation parameter. according to different model and computing method, computed and compared with the result combine real data

    本文詳細討論了wgs84大地坐標轉換到北京54坐標系下的高斯平面坐標的方法，重點介紹了wgs84和北京54的空間直角坐標的轉換模型及轉換參數的計算方法，並根據不同的模型和計算方法結合實際數據進行計算和結果的比較，認為採用基線向量求解的四參數模型具有較高的轉換精度，分區變換和提高控制點精度也能提高轉換的精度。
  7. In this thesis, based on item response theory, a number of ways to estimate the latent trait and item parameters were introduced and their advantages and disadvantages were analyzed ; what is more, empirical logistic regression and two parameters logistic model ( 2plm ) are combined to set up a linear model by logit - mapping and a new parameter - estimation method is proposed

    新方法將經驗logistic回歸用於兩參數logistic模型的參數估計，使用logit變換建立線性模型，利用線性模型的最小二乘估計得到第j個項目的項目參數向量_ j = （ _ j ， _ j ）的兩步估計由於x _ j含有未知的討厭參數，的理論值也和有關，我們結合上式的結果對進行再估計。
  8. After measured the laser energy distribution of kunming slr station, the parameters of this non - gassian and non - spherical symmetric laser beam were deduced according to correlation definition. applying its laws and deduced laser beam parameters, the change of laser beam dirvergence angle was studied in detail when adjusts transmission system focus. moreover, calculation based on these measured data indicates that the laser shaded by the second mirror of telescope is amazingly up to 39. 8 %, an optical element was designed for the settlement and it worked satisfactorily when put it into practice

    之後測量了雲南天文臺激光的橫向能量分佈，根據相關定義確定了這束非高斯非球面激光的參數，應用它的傳輸變換規律和測量參數研究了調焦中激光發散角的變化，並根據測量數據計算出激光發射時副鏡擋光比例達到驚人的39 . 8 ，研製出光劈解決這一問題，取得了很好的效果。
  9. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。
  10. Expression animation : based on water ' s muscle model, 17 muscle vectors are presented to simulate facial muscles " motion by nonlinear interpolation. meanwhile, some other parameters, for example, open of jaw and eyelids, could simply be substituted by rotation transform. through these control parameters " interaction, highly natural looking animations have been able to generated

    在人臉表情動畫方面：基於waters的幾何肌肉模型定製了一個具有17個肌肉向量的人臉模型的動畫結構，用非線性插值來模擬肌肉的簡單運動；同時，採用旋轉變換來模擬其它的表情控制參數，例如下巴的張開角、眼簾的張開角等。
  11. The cluster parameter k is presented to reduce upconversion, and the smaller the k, the lower the upconversion. another method to reduce upconversion is to dope al and p together, which can make the esa spectra shifted toward short wavelength

    總結了兩種抑制上轉換發光的方法，即:改善摻鉺光纖的團簇結構參數k ， k越小，上轉換發光效率越低; al / p共摻，使鉺離子esa吸收譜往短波方向偏移。
  12. We decided to use the axial polarized model as our investigate object after comparing. with theoretical and emulational methods, we studied the properties of cymbal transducer are dependent of the dimensions of metal endcaps and pzt thinner circle plate. and obtained the optimized dimensions

    採用理論和有限元模擬相結合的方法，研究了金屬端蓋和壓電陶瓷片（ pzt ）的形狀參數對cymbal換能器的縱向位移及諧振頻率等性能的影響，確定了試樣的最佳形狀參數。
  13. During the design of vxi - bus serial controller module, the functions of vxi - bus including time - sequence for vxi interface, resource management, interrupt process, bus arbitration, are accomplished. to advance the performance and stability, the fpga technic is used to implement the kerneled code including serial bus time - sequence switching to vxi interface time - sequence, the uart, the parameterized baud generator and “ pipeling frame ”. the handle type of data transfer bus for vxi - bus is researched thoroughly, and the format of serial data transfer is designed

    在vxi總線串列控制器設計中，實現了vxi總線控制器的基本功能，包括vxi總線介面時序、總線仲裁、超時處理等;同時利用先進的fpga技術實現了串列總線時序向vxi總線時序的轉換、通用異步收發器（ uart ） 、參數化波特率發生器、流水線結構等功能模塊;在設計中還深入研究了vxi總線數據傳輸的各種操作類型，制定了串列數據傳輸的編碼格式。
  14. And then, the paper analyses the reason engaged in the directional property of underwater acoustic transducer and array, discusses the physical parameter of the directional property. to point acoustic source equal spacing linear array, the dissertation makes experiment analysis and simulation

    分析了水聲換能器及基陣指向特性形成的原因、表徵指向特性的物理參數，並針對點聲源等間距線列陣的指向性進行了數學、實驗分析與方針。
  15. All the contents are developed around a set of scaling laws taking the form of exponentials which relate to almost all the issues of complexity including fractals, chaos, strange attractors, localization, and symmetry breaking, etc. the main work can be summarized as follows : starting from the law of allmetric growth three fractal dimensions in a broad sense are derived, and according to these dimensions, geographical space is divided into three levels, i. e., real space, phase space, and order space, each of which corresponds to a kind of dimension. based on the idea of spatial disaggregation and using the rmi ( relationship - mapping - reversion ) principle, the urban system is formulated as three scaling laws of the three spaces, including number law, size law, and area law, which can be transformed into a set of power laws such as allometric law and zipf ’ s law associated with fractal structure

    從異速生長律的縱向、橫向和切向三個角度將地理空間劃分為實空間、相空間和序空間，分別對應于空間系列、時間序列和等級序列三個層面，每個層面的測度各有自己的空間維度。基於「空間循環細分-等級體系-網路結構」的數理等價關系，利用rmi （關系-映射-反演）原則，成功地實現了城市系統宏觀模型的理論抽象，將空間復雜性問題表徵為簡單的指數式標度定律（包括數量律、規模律和尺度律） ，這一組標度律可以與一組冪次定律（包括具有分形性質的規模-數目律、異速生長定律和三參數zipf定律）互為變換。
  16. Then, taking into account the effect of the compression of the approach roadway and the differential slope of the bridge slab, the author analyzes the dynamic response of man - vehicle - road system when the vehicle approaches and leaves the bridge by means of laplace transform, the curve of man ' s acceleration versus time, the vertical force between the vehicle and road versus time, the man ' s maximum transient vibration value and the maximum force between the vehicle and road are got, and the program about the calculating progress above are edited. based on the analysis above, the influence on the maximum transient vibration value of some parameters about the vehicle and road such as the movement direction and speed and weight of the vehicle, the differential slope of the bridge slab and the length of the approach slab, are studied, and some conclusion are given

    分上橋和下橋兩種情況，考慮車路耦合和橋面沉降坡差的影響，對車輛通過設和不設搭板的路橋過渡段時「人?車?路」系統的相互作用用拉普拉斯變換法進行了動力響應分析，得到了人的加速度及路面對車的垂直作用力隨時間的變化曲線、人的加速度最大瞬態振動值和路面對車的最大作用力，分析了車輛的行進方向、速度和載重，橋面沉降坡差和搭板長度等車和路各參數對計算結果的影響，並編制了相應的計算程序。
  17. In this paper, the transitional method of the spherical har monics is applied and a new model is gained. the parameters of the new model are geocentric radius, range cross - deviation and polar is decided by different trajectories

    本文對球諧函數的改進主要是採用了換極法，根據不同的彈道重新選擇極點，將球諧函數變換為以地心距、射程角、側向偏差為參數的新的形式。
  18. A comparative study and simulation of different control schemes, for the brushless motor variable - speed system, is presented. the simulation results show that, with the outer speed loop based on conventional proportional - integral controller, the dynamic performance of the system is not content, while with intelligence controller, the performance improves, and with variable - structure control with sliding mode, the system response influenced slightly by the vary of the system parameters

    本文還對無換向器電動機雙閉環調速系統的不同控制方式進行了模擬比較，結果表明：採用常規的pi轉速調節器，系統的動態性能不是很好；採用簡單的轉速環智能控制器，系統的動態性能能得到一定改善；採用轉速環滑模變結構控制器，系統的響應特性受系統參數變化的影響較小，具有優異的動態性能。
  19. Plasma characteristics of a rf ion source are investigated by emission spectroscopy. the spatiotemporal spectral line intensities of the first three atomic lines in hydrogen bahner series ( = 656. 28, 486. 13, 434. 05nm ) of rf ion source plasma, are measured with calibrated optical multichannel analyzer ( oma ). some plasma parameters, including electron temperature, hydrogen atom density and hydrogen ion density, are calculated and analyzed using partial local thermodynamic equilibrium ( plte ) theory and abel transform

    實驗採用絕對定標后的光學多道分析系統（ oma ）測定了離子源等離子體不同時間和空間位置的氫原子巴耳末譜線系中前三條譜線（ = 656 . 28 ， 486 . 13 ， 434 . 05nm ）的強度，並採用plte的理論和abel變換方法，計算出了高頻離子源等離子體的電子溫度、氫原子濃度、氫離子濃度等參數在放電的不同階段和徑向分佈情況，並進行了簡要分析。
  20. The results show that wavelength locates in gain zone of semiconductor optical amplifier, and have higher peak power and proper time delay between the two pulses for the second order super gauss control pulse in semiconductor optical amplifier. a high quality amplified signal pulse can be achieved. the chirp can be reduced notability by using cascading soa in cross gain modulation based on soa, and the distance and the peak power of conversion optical pulse can be increased notability, and we can let down the demand for wavelength based on xgm in soa and enhance the flexibility of wavelength conversion

    我們應用二階超高斯光脈沖與高斯信號脈沖同時注入soa和應用soa與非線性光學環鏡（ nolm ）相結合的方案來對信號脈沖進行壓縮整形，模擬顯示，在調節系統合適參數的情況下，波長位於soa增益區的二階超高斯控制光脈沖在具有較高的峰值功率和適當時延下輸入soa時，最後可以得到放大的高質量超簡訊號光脈沖；在基於soa的交叉增益調制（ xgm ）全光波長轉換中，採用級聯的soa能有效地使反轉光脈沖的頻率啁啾得到有效降低，波長向下轉換的距離和反轉光的峰值能量都得到明顯提高，降低了利用交叉增益調制（ xgm ）波長轉換中對波長精度的要求，從而提高了波長轉換的靈和性。
分享友人
分享到 Line

分享到臉書