置換誤差 的英文怎麼說

中文拼音 [zhìhuànwùchā]
置換誤差 英文
substitution error
  • 置 : 動詞1. （擱; 放） place; put; lay 2. （設立; 布置） set up; establish; arrange; fix up 3. （購置） buy; purchase
  • 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
  • 誤 : Ⅰ名詞（錯誤） mistake; error Ⅱ動詞1 （弄錯） mistake; misunderstand 2 （耽誤） miss 3 （使受損害...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 置換 : displace; substitute; supersede; substitution; replacement; permutation; transposition; transposi...
  • 誤差 : error
  1. Aspheric optical compound machine tool ( aocmt ) which integrates grinding, lapping and polishing is developed. the influences of motion errors on grinding accuracy are analyzed. according to homogeneous coordinate transition model, the postposition processing algorithm in multi - axis numerical control machining is deduced

    3 、研製了集銑磨成型、研磨、拋光於一體的光學非球面復合加工機床（ aocmt ） ，分析了各種運動誤差對銑磨精度的影響；根據空間齊次坐標的變換模型，推導出多軸數控加工的後置處理演算法；通過五軸數控聯動， aocmt機床能夠以法向方式加工出任意復雜的光學表面，銑磨精度穩定在8 m之內。
  2. It takes use of pseudo - random technology, dynamic adaptive technology, multi - channel technology, random position embed technology and so no. so the digital watermarking can resist the physical process of printing and scanning. at the same time, the watermark is binary image which includes a great deal of information, such as personal id, secret information, even a piece of map

    本文特別針對印刷和掃描給數字圖像帶來的誤差的問題，設計了一種新的水印演算法，綜合運用了偽隨機處理技術、動態自適應技術、不同應用選擇不用頻帶處理技術、隨機位置嵌入技術、多通道嵌入等技術，使得本文所設計的水印演算法能夠抵抗印刷和掃描的物理轉換過程，同時本文所設計的水印是二值圖像，能夠承載大量的信息，例如個人id 、機密信息、商標標識，甚至可以是一幅地圖。
  3. This thesis provides the circuit schematic of the unit for measuring harmonic energy and the flow chart for measuring harmonic active energy and harmonic reactive energy. this thesis discusses the error origin of the system for measuring harmonic energy based on wavelet packet transform, and set up the error model, and presents the

    探討了基於小波包變換的諧波電能計量系統的誤差來源，建立了系統的誤差模型，提出了諧波電能計量系統的直流偏置、比差和角差的校正方法。
  4. Through the study with non - linearity friction on simulation model of the stabilized system, in theory the analysis of the angular acceleration loop ' s contribution is given. in testing platform, the measure devices of angular acceleration and velocity constitute the double loops, they are angular acceleration loop and angular velocity loop. and this experiment gives the proof that the angular acceleration loop could eliminate the errors which are taken by the motor ' s reversing

    最後，本文在理論上分析角加速度環對隔離度的貢獻；通過對含有非線性摩擦力矩的平臺穩定系統模擬模型的研究，從理論上驗證角加速度環具有克服摩擦力矩的能力；在實驗轉臺上加入由線加速度計構成的角加速度測量裝置，並與測速機構成角加速度環、角速度環雙環結構，驗證了角加速度環對電機換向誤差的消除作用。
  5. Compared with currently fire control system, apsse has such characteristic as : highly precision, complex construction, high technique, etc. so this thesis expatiated in detail on the measuring theory of apsse, emphases on the discussion of system error and random error of apsse, deduced the three axis error of apsse usign the coordination transformation methods, provided the applying base for the measuring error equation of apsse. in this paper, we emphases on expatiating the basic theory of usign space coordination transformation in the measuring error equation of apsse

    因此，論文採用了空間坐標變換方法分析機載光電跟蹤測量設備在對目標進行測量、定位時空間坐標轉換關系，推導出從中心地平坐標繫到目標坐標系的變換矩陣，在此基礎上首先建立機載光電跟蹤測量設備的無測量誤差的位置傳遞方程和機載光電跟蹤測量設備的含有測量誤差的位置傳遞方程，為利用蒙特卡洛法分析機載光電跟蹤測量設備的測量誤差奠定了理論基礎。
  6. Including usign coordinate transformation method to deduce the uniform coordinate from the object coordinate to the photo coordinate, then setup the measuring error equation of apsse, this established the theory ground of usign the mont carlo method to analysis the error of apsse. there are errors from every tache of coordinate transform

    由於建立機載光電跟蹤測量設備的測量誤差的位置傳遞方程是基於空間坐標變換的基礎上，從中心地平坐標繫到目標坐標系的變換涉及到幾十個環節，而每個環節都有誤差，其誤差的性質和大小直接影響對目標的定位測量。
  7. The relative difference between values of dry density measured by wave velocity method and pir replacement method is in the range of 1 %

    根據相關方程由實測波速推測壓實干密度值，相對試坑置換法的實測值，誤差在1 %范圍內。
  8. At the same time, the method of disposal phase shift of ct by compensation is introduced. then the analysis and statistic of electrical power quality, the control scheme and compensating amount of capacitor for reactive power compensation are analyzed respectively. and in the paper, the control with a / y and the switch with ac contactor and solid state switch is valid measure not only for improving operate level economically and amending electrical power quality but also for avoiding of replacing switch frequently and decrease economic loss

    然後對現有的演算法進行了詳細的分析、比較，篩選出既能滿足硬體要求又可降低投資、保證精度、簡化軟體的方案，確定了準同步采樣的方案，並通過對準同步采樣誤差的分析，提出了一種從45開始采樣，從而提高精度的采樣數據處理辦法，同時，對于電流互感器相位漂移提出了一種補償辦法，接著對裝置中電能質量分析與統計以及無功補償中電容器的補償量、投切原則也作了相應分析，其中對于無功補償採用y混合接線，並利用交流接觸器和固態開關共同投切電容，不但提高了經濟運行水平、改善了電能質量，而且有效的避免了頻繁更換開關，減少了經濟損失；最後，設計了裝置的硬體電路並繪制了相應的軟體流程圖。
  9. A selection method of serm factorizations for linear transforms is presented. it is discovered that the near optimal results are almost everywhere and when the factorization error is small, the closer the permutation matrices, the closer the results. according this fact, a local search is proposed that based near optimal factorization method which can obtain the near optimal results. moreover, this method convergence very fast, can usually obtain useful results by very limited iterations. it is tested lossless image coding with the selection results and good results is obtained

    通過大量的實驗，發現serm分解的近似最優結果是大量存在的，而且這些近似最優結果的分佈是分散的，當分解結果的誤差度量比較小時的時候，有當置換矩陣相近時，分解結果的誤差也相近的實驗事實。基於此觀察結果，給出了基於局部搜索的serm分解的近似最優分解方法，可以得到非常接近最優分解的結果。
  10. At the same time, the principle which taking searching motor maximum - speed point as control object for mppt ( maximum power point tracking ) is put forward and the static error of tracking is analyzed in detail. chip jl3, a kind of micro - controllers of 68hc08 series, is used as control unit of the system, with which we complete the designs of the periphery hardware circuit and the control software

    對于電機控制，提出了採用虛擬中心點的方法代替傳感器實現電機轉子位置檢測，以完成電機準確換相，並在理論上證明了其正確性；對于光伏陣列工作點最大功率跟蹤問題，提出了一種以尋求轉速最大點為控制目標實現tmppt的思想，並進行了穩態跟蹤誤差分析。
  11. Considered a gross error, usually transient, occurring in the reading of digits or numbers and imprecise synchronism which causes changes in different digit positions, such as in analog - to - digital conversion

    一種嚴重誤差，一般瞬時出現在讀數過程中和由於不完全同步引起不同數字位置的變化之際，如在模數轉換過程中。
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