orthogonal system 中文意思是什麼

orthogonal system 解釋
正交系統
  • orthogonal : adj. 1. 直角的，互相垂直的；正交的；直交的。2. （統計數字）互不相關的。
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  1. Combined with the reseaching panoramic aerial camera with tdi ccd, the paper deduced the formula of imv with two methods. one is coordinate system transformation method, the other is orthogonal projective analytic method

    本文結合在研的tdiccd全景航空相機，用兩種不同的方法實現對像移速度公式的推導：坐標系變換法和正交投影解析法。
  2. The analysis of the distortional double coordination about deflection and torsion in orthogonal beam system

    正交梁系彎扭變形雙協調分析
  3. In many cases sample coordinates are recorded on an orthogonal grid coordinate system.

    在多數情況下，樣品坐標記錄在正交網路坐標系。
  4. They form a three-parametric, orthogonal net and may be chosen as coordinate lines of a special, curvilinear coordinate system.

    它們形成三參數正交網，可以把它們選作特殊曲線坐標系的坐標線。
  5. The anion surfactant nals was the most efficient in the process and was selected as collector by orthogonal method. the interfacial tension and cmc of nals ( cmc 6. 5 10 - 3m ) in the solution was measured by hanging ring test, the function relationship between interfacial tensions and nals concentration was : = - 0. 9523 in 2c - 24. 534 in c - 81. 411. the relation of interfacial adsorption equilibrium in the solution system was respectively tested and calculated with gibbs equation and dynamic method. the conclusion showed that ( 1 ) the experiment result of dynamic method with was highly in coordination with the value which from theoretical calculation. ( 2 ) the surfactant molecule was in arrangement of monomolecular layer at the gas - liquid interface

    用吊環法測定了十二烷基硫酸鈉水溶液不同濃度與其界面張力的關系，擬合得到的回歸方程為= - 0 . 9523ln ~ 2c - 24 . 534lnc - 81 . 411 ，同時還測得其臨界膠束濃度值（ cmc為6 . 5 10 ~ （ - 3 ） m ） ，運用吉布斯等溫方程和動態法分別計算和測定了該溶液系統的界面吸附平衡關系，結論表明： （ 1 ）動態法測定結果基本吻合吉布斯方程的理論計算； （ 2 ）表面活性劑分子在氣?液兩相界面是以單分子層形式定向有序排列的。
  6. On base of the data analysis, three - dimensional tide - induced residual currents, the wind - driven and thermohaline currents in the bohai sea are diagnostically computed with an orthogonal curvilinear grid system, by means of a three - dimensional ecomsed model. the winter and summer thermohaline structure and circulation characteristics in bohai sea are analysed, and the circulation variance is discussed preliminarily. the tides and tidal currents in bohai sea are well reproduced

    在資料分析的基礎上，應用三維斜壓ecomsed模式對渤海的潮致余流、風生環流和密度環流進行了診斷計算，分析了渤海冬夏季的溫鹽場結構和對應環流的特徵，並對渤海上述幾個不同時期的環流變異進行了初步的分析和探討。
  7. ( c ) propose the scheme to implementing the coder and deoder of optical time - spreading / frequency - hopping, by assigning two orthogonal codes for one user and using these two codes to encoding 1 and 0 respectively, differential detection can be adopted. not only improves system performances in ber, but also resists the interference such as mai, and does n ' t need any control devices to evaluate the optimum decisive threshold

    通過給每個用戶指定互相關為0的兩個地址碼分別發送1和0信號以及在接收端採用差分檢測技術，避免了ook （開關鍵控）光通信系統中0不發送光脈沖和ook常規檢測方式下最佳判決門限必須根椐用戶數等外界環境而改變，從而提高了系統性能和降低了系統的復雜度。
  8. In this paper, after introduction of the code division multiple access ( cdma ) and orthogonal multicarrier ( mc ) technique, the system model of mc - cdma is analyzed and the bit error rate ( ber ) performance in downlink and uplink channel is shown in awgn channel by computer simulation

    本文在碼分多址技術和正交多載波技術原理基礎上，分析了高斯白噪聲通道中多載波碼分多址（ mc - cdma ）系統的數學模型，並且使用不同的擴展碼對下行通道和上行通道誤碼率性能分別作了計算機模擬分析。
  9. An orthogonal frequency divided group code for cp - cdma system : comb spectrum code

    一種用於cp - cdma系統的正交頻率分組碼：梳狀頻譜碼
  10. High precision ad chip is used for intermediate frequency data sampling and fpga of virtex - series is used for the implementation of intermediate - frequency orthogonal system, which includes the sequencing control design for mult - channel radar system with verilog, the application of ip core of digital filter and fifo, as well as the communication control module with dsp. as the master control part, the software programming for the communication between dsp and fpga is designed. the experimental result with hardware circuit shows the design is valid and practical

    採用高精度的adc晶元完成中頻采樣，通過virtex -系列fpga設計中頻正交系統，主要包括通過verilog語言實現多路雷達中頻接收的時序控制，通過濾波器ip核實現濾波器的設計，以及利用c語言實現dsp的通訊控製程序設計。並給出了fpga在資源和速度上一些優化的方法，調試過程中影響中頻正交接收性能測試的因素。
  11. The researching work include three aspects : 1 ) after selecting primary material system, the polymer coating process were optimized. the polymer - coated high - temperature alloy powder has been developed on the basis. 2 ) based on sintering and orthogonal experiments, the influence of the prototyping elements on prototyping properties have been initially studied, and the optimal prototyping parameters of this material has been obtained finally

    本文主要研究內容為： （ 1 ）選擇合適的包覆材料體系，對鉬粉的包覆工藝進行了優化實驗，在此基礎上開發了適合於激光燒結成型用覆膜高溫合金粉末材料； （ 2 ）通過激光燒結成型實驗，運用正交實驗方法，系統地研究了燒結工藝參數對成型質量的影響關系，在此基礎上確定了覆膜高溫合金粉末最佳燒結成型工藝參數； （ 3 ）對激光成型件進行了后處理工藝實驗，得到了優化的后處理工藝規程，並製作了合格的后處理樣件。
  12. The future wireless mobile communication systems are expected to provide ubiquitous, high - quality, and high - rate mobile multimedia transmission. however, hostile multipath fading radio conditions give rise to serious inter - symbol interference ( isi ) ; even worse, wireless channel are often time varying, which makes the system more vulnerable and more difficult to track the channel state. orthogonal frequency dvision multiplexing ( ofdm ), which is inherently resistant against isi, has invoked a popular research interest in recent years, and has been a promising candidate technology of the physical layer for future weideband high - date - rate wireless communications. notwithstanding, ofdm is much more vulnerable to errors of both time and frequency synchronization and to that of channel estimation, and how to obtain correct timing and channel estimation efficiently is highly critical to ofdm systems. the dissertation will focus on both of the aspects of ofdm systems mentioned above

    但是無線環境的多徑特性造成通信系統中嚴重的符號間干擾，同時無線通道的時變性使得通道特性跟蹤復雜。而正交頻分復用技術（ orthogonalfrequencydivisionmultiplexing ， ofdm ）正是一種解決符號間干擾的有效傳輸手段，因此ofdm技術作為未來寬帶高速率無線通信的物理層候選技術在當前引起了一股研究熱潮。但ofdm系統對定時同步誤差和通道估計誤差非常敏感，如何在ofdm系統中準確快速地實現符號同步和通道估計是至關重要的，本論文將重點針對這兩個問題進行討論。
  13. Expanding the system ' s hamiltonian to a real symmetric matrix in an appropriate orthogonal basis vector and then diagonalizing it, we get the energy spectrum of the system and calculate the energy level spacing distribution function and the spectral rigidity. then we study the statistical character of the energy spectrum under the changing of magnetic field intension and find that the system ' s motion transfers from regular to chaos gradually

    將系統的哈密頓量在一個適當的正交基矢下展開並對角化，得到系統的能譜，分別計算系統能譜的能級間距分佈函數和譜剛度，研究了該系統量子能譜的統計特徵隨磁感應強度大小的改變而表現出的系統運動由規則到混沌的漸進變化。
  14. As a non - linear and multi - coupled system, the control of the ac induction motor ( acim ) has long been challenging. thanks to the vector control algorithm, acim can offer the same control capabilities and dynamic performance as traditional high - performance dc motors. with the vector control algorithm, the stator current of acim can be expressed in two orthogonal axes, and thus the rotor flux part and torque are de - coupled

    交流感應電機難于控制是因為它是一個非線性、多耦合的系統，矢量控制演算法通過坐標變換將異步電機的定子電流分解為轉子磁鏈方向和與之垂直方向的兩個分量分別進行控制，從而實現轉子磁通和轉矩的解耦，使得交流感應電機的動態性能可以和直流電機媲美。
  15. The study of this project will work as reference to research and development of the non - contact measuring system based on the un - orthogonal coordinate later

    本課題的研究將為非正交坐標系下的非接觸測量系統研製與開發起到一定的借鑒作用。
  16. Pca can project complicated related multi - dimensional data into an orthogonal system to extract independent components, and discard unimportant components to reduce data dimension

    主成分分析能夠將具有相關關系的復雜多維數據投影到正交繫上，提取出相互獨立的主成分，通過忽略次要成分來壓縮元。
  17. Oint orthogonal system

    共軛轉置正交系
  18. Two orthogonal system composed of bessel ' s functions with degree

    零階貝塞爾函數組成的兩個正交系
  19. A new complete orthogonal system for functions in c

    上完備的三角形正交函數系
  20. A new class orthogonal system for signal multi - resolution analysis

    信號多分辨分析的一類新的正交基
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