濾波方程 的英文怎麼說

中文拼音 [lǜbōfāngchéng]
濾波方程 英文
filter equation
  • 濾 : 動詞（除去液體雜質） filter; strain
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  1. Data preprocessing refers to the process of polygonization, smoothing, decimation and registration. the flow and main steps of data preprocessing are described here. several specific cases, for example the sampling method based on chordal deviation, the feature based registration, are discussed

    本文研究和討論了點雲預處理的基本流程和主要步驟，研究點雲光順的高斯濾波，中值濾波和平均濾波方法、點雲精簡的弦高差演算法和多視點雲特徵對齊的方法。
  2. Aiming at the nonlinearity of state and measure equation and measurement being only angle information, which results in poor observability and classical estimate methods such as extended kalman filter not converging, the boost phase states and covariance are estimated using unscented kalman filter ( ukf )

    針對狀態方程和觀測方程都是非線性方程，觀測量只有角度信息，造成可觀測性弱、經典的濾波演算法如擴展卡爾曼濾波方法不易收斂的問題，利用unscented卡爾曼濾波ukf演算法對主動段進行狀態和協方差估計。
  3. The fourth chapter mainly introduces fringe center method of speckle image. a way which can double interference fringe is introduced here, and it can improve the precision of measurement. the principle of the filter in big curve window is described in detail ; it gives a detail description of its steps to realize it

    第四章主要介紹了散斑圖像處理的條文中心處理方法? ?條紋倍增的處理方法，它可以使散斑圖像的條紋增加一倍，相對提高了測量的精度，隨后詳細介紹了曲線大窗口濾波的原理以及實現該方法的主要步驟，同時討論了處理過程中的注意事項，並跟其他濾波方式做了比較。
  4. When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system

    在探討可靠性設計與可靠性保障技術時，提出了石油測井儀器的可靠性計算新模型，從電氣和機械兩個方面，提出並闡述了應採用的可靠性保障技術及其使用方法：根據最新可靠性理論，建立了石油測井儀器的可靠性系統模型，探討了石油測井儀器的可靠性指標及其獲取途徑，提出了推薦使用的石油測井儀器可靠性指標（ mwture ， nolwnm ， mtbf ， mttf ） ；通過試驗，得到了所設計儀器的穩定工作時間（ mwture ） 。在研究數據處理方法時，闡述了伽瑪信號的特徵，對測量誤差類型進行了統計檢驗；介紹了數字濾波的基本理論、數字濾波方法的概況，並進行了分析；對伽瑪信號數字濾波效果的影響因素及其對測井曲線的影響進行了基本分析；從獲取平穩段真值、地層邊界的檢測與處理兩個方面，建立了數字濾波效果的評價準則（ rvi ， rmse ， sfi ） ，給出了相應的數字濾波方法及效果評價方法；探討了自然伽瑪信號數字濾波器的設計方法，提出了適合自然伽瑪測井的混合濾波方案，探討了混合濾波方案的實現途徑；通過對部分數字濾波方法的定量研究，給出了靈活可選的數字濾波系統構成及實現流程；提出的三種濾波方案，將用於era2000成像測井系統，對自然伽瑪測井數據進行濾波處理。
  5. Then this paper introduced the main method in multi - sensor integrated navigation - kalman filtering method, and a two - level optimization multi - sensor information fusion structure - combined filter which was originated by carlson and kerr, based on the structure of combined filter, it studied the method of navigating by the multi - sensor navigation system integrated by ins milemeter altimeter and piloting, then analyzed the effect of several filters. simulation proved that when altimeter were integrated, the height error was reduced a lot, and the combined filter is more effective than one - level kalman filter

    然後，介紹了組合導航中的關鍵技術? ?卡爾曼濾波方法，以及一種二級最優多傳感器融合結構? ? carlson ， kerr等人提出的聯合濾波器，並以聯合濾波器的結構為基礎研究了車載捷聯慣導系統與里程計、氣壓高度計、地標組合導航的方法，比較了幾種組合方法的效果。模擬結果表明，引入氣壓高度計可以有效的減小高度誤差，二級聯合濾波器的效果優於一級結構的卡爾曼濾波器。
  6. Taking cgle for example, we first introduce spatial grid filter technique to control the system turbulence states and obtain multiform regular spatial distributions, both with the time evolution keeping to be chaos or changing to be period. and we also control stc in cgle by using delay feedback method

    以復金茲伯格?朗道方程為例，首次提出網格濾波方法，討論濾波技術對這一系統時空混沌的控制，對規則濾波無法得到滿意控制的復金茲伯格?朗道方程中的缺陷湍流和位相湍流有效地進行了控制，得到了豐富的時空斑圖結構。
  7. According to the filter matrix particularity, the filter equation was solved by using conjugate gradient method

    並根據濾波矩陣的特殊性， ?用共軛梯度法求解濾波方程。
  8. Simulations also show that signals of the target should be received continuously and accurately. in chapter five, mgekf algorithm is given to evaluate the velocity and position of the target. mgekf equations are introduced in detail

    文中詳細介紹了mgekf濾波方程的推導過程，模擬結果驗證了這一處理演算法在目標固定不動和目標以某一速度勻速運動兩種情況下的有效性。
  9. And in allusion to the shortcomings on the fitting of noises by least square, a new procedure is presented to modify the estimations of model parameter of the noise. it can control the effects of the correlation noise of except for first order self - correlation noise. using the model the error of gps / ins integrated navigation system is estimated

    再次，針對卡爾曼濾波方程的前提條件不滿足而影響導航系統的精度的問題，應用時間序列分析理論提出了一種改進的噪聲模型參數估計演算法，對此演算法進行建模，模擬結果表明，該演算法能有效的控制一階自相關特性以外的噪聲對參數模型估計的影響，提高卡爾曼濾波精度。
  10. In this thesis the researches on signal filtering are nicely done in both hardware and software

    另外，本論文還從硬體和軟體兩方面對試井過程中常用的信號濾波方法作了較詳細的研究。
  11. Based on analysis of wave process in sedimentary basins, firstly, milankovitch cycle was recognized by well logging data and accurate chronostratigraphic framework was created ; and then two kinks of high frequency cyclic wave that controlled and affected the basin sedimentation were analyzed by means of slip window and wave equations were established

    以沉積盆地波動過程分析方法為基礎，首先利用測井資料對米蘭柯維奇旋迴進行識別，建立精細年代地層格架；然後運用滑動窗口濾波方法分解出控制和影響盆地沉積的高頻周期波，建立了波動方程。
  12. Turbulence response. the functions of the methods are investigated by computer simulation and further examined by using flutter testing data of low - speed wind - turne of some aeroelastical modes. the related software is developed on matlab and labview for windows

    結果表明，本文方法在精度、有效性和數值特性等方面優于現有的時頻域濾波方法，並具有較好的應用特性，可以滿足工程應用的實際需求。
  13. Least square method is used to eliminate linearity errors of system as result of asymmetric illumination and fitting. averaging method of neighborhood and medium filtering method are used to effectively overcome thermionic noise as result of courses of image transferring, gathering and quantization and so on

    對由於光照不均以及安裝等存在的系統線性誤差，採用最小二乘法線性擬合加以消除；對由於圖像採集、傳輸、量化過程中產生的熱電子噪聲，利用了鄰域平均和加權中值濾波方法來有效地減小。
  14. In this module, we focus on an improved 2 - d median - filter and a real time edge detect algorithm which has very regular computational structure. in chapter 4, we use fpga to capture the image data from infrared sensor and create the synchronization signal and output the video to monitor. chapter 5 describes the design of communication interface between dsp, fpga and missile control system, and focus on a new verilog description style called cycle accurate, and finally we design an i2c bus using this description style

    本論文按照處理機的工作流程，首先討論fpga與視頻探測器之間的數據通訊模塊的設計，接著介紹了圖像預處理模塊，在預處理模塊中，重點介紹了一種改進的二維中值濾波方法和一種特別適于硬體實現的邊緣檢測演算法;在第四章，討論了用fpga實現圖像獲取和模擬視頻輸出;第五章，討論了fpga與dsp之間以及fpga與彈上機之間的通訊模塊的設計，接著重點研究了一種新的verilog語言的描述風格，並用此寫法在上fpga實現對外圍設備的初始化模塊;最後，對本文所做的工作進行了總結。
  15. This thesis introduces the key technique of the us military distributed information system, with focuses on algorithms about related navigation of military tactics. kalman filtering combined with least square method is proposed for the current military development stage. the method of observation result including velocity component minimizes the convergence time, improves the positioning precision and acquired satisfied experiment results, which makes the pla independence of the us high - tech equipments

    本文簡要介紹了現階段美軍在戰術信息分佈系統實現中所採用的關鍵技術，重點對戰術飛機相對導航的各種實現演算法進行了深入探討，針對我軍當前在該系統領域中的技術現狀，提出了以最小二乘法輔助卡爾曼濾波，濾波過程中觀測量加入速度分量的方法，縮短了導航濾波起始階段的收斂時間，提高了定位精度，在工程上取得了較理想的實驗數據，在一定程度上擺脫了我軍在相對導航領域對美軍先進技術裝備的依賴。
  16. At first, this paper gives an overall introduction to the basic theories of matching filter and the properties of linear frequency modulation signal, preprocessing the radar data by the matching filter will give advantage to improve the compression performance in later processes

    本文首先介紹了匹配濾波理論和線性調頻信號的性質，並採用匹配濾波方法對雷達回波預處理，以利於后續壓縮處理過程提高壓縮性能。
  17. Completed the initialization of can parameter for the communication card and conversion card by compile setting program. designed communication program to actualize the supervision and control of programmable logic controllers by upper computer

    使用專用can介面庫函數編寫設置程序完成了對介面卡、 can485轉換卡的can參數（如濾波方式、通訊模式、驗收碼和屏蔽碼等）的初始化設定。
  18. The image registration was discussed the following three steps : initial registration, pre - filtering, sub - pixel registration. an adaptive range - filtering algorithm was proposed, which filters the different parts of object spectrum in master and slave synthetic aperture sonar images

    干涉sas復圖像的配準按實際信號處理過程分三個步驟論述：初配準、頻譜預濾波和子像素級配準，其中針對預濾波提出了一種自適應的距離向頻譜濾波方法。
  19. By the theory of z transformation of linear system and matrix, we proved the validation of the averaging filter method using in ietd to cancel oscillation. then we illustrate the disadvantage of using averaging filter and give a new averaging filter that we note as phase - modified averaging filter, which can reduce the disadvantage. at the end of this chapter, we study the potent of reducing the time - cost of ietd by taking account the short duration characteristics of incident impulse

    本文第二章，首先簡述了時域積分方程遞推解法（ ietd ） ，然後推導了應用於旋轉對稱體的，能夠減少計算量的ietd方法，重點闡述並應用線性系統的z變換理論和矩陣理論研究了ietd方法中遇到的穩定性問題，從理論上證明了平滑濾波技術的有效性，指出了它對計算精度的影響，並在分析的基礎上提出了新的相位修正平滑濾波方法。
  20. The keys to the development trend of cpcs ? electronic - electric cpcs are the control method and control law. in this study, a fuzzy logic control was proposed to accomplish the electronic - electric control of the sapc. a fir digital filter is applied after compared with several other digital filters to deal with the fluctuating pressure signal

    針對壓力信號在採集過程中出現波動較大的問題，本文在比較了多種數字濾波方法后，選擇了fir濾波方法對采樣數據進行處理，消除了數據採集中的高頻噪聲，從而實現對采樣數據的平滑處理，為控制系統的實現打下基礎。
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