base correction 中文意思是什麼

base correction 解釋
基點改正
  • base : n 1 基底，基，根基，底座；底層，底子；（紀念碑等的）基址；（山）麓。2 【軍事】基地，根據地。3 根...
  • correction : n 修正，改正；校正；矯正；〈古語〉懲罰；勘誤表，補正。 a copy disfigured by numerous corrections ...
  1. Turbo codes represent the new code structures, which consist of pccc ( parallel serially convolutional code ) and sccc ( serially concatenated convolutional code ). in this paper, the background of turbo codes are firstly introduced, which includes the base principle of error correction code 、 block code and convolutional code ; the principle of turbo code and the iterative decoding is secondly expanded ; the key decoding algorithm : a revised map algorithm and iterative decoding theory are detailed ; then, a new turbo code structure : hccc ( hybrid concatenated convolutional code ) is presented, and the capacity of this code method is analyzed, the average capacity upper bound is derived ; at last, this code is simulated on awgn ( additive white gaussian noise ) channel and rayleigh fading channel

    本文首先介紹了turbo碼的背景知識，包括差錯控制的基本原理、分組碼和卷積碼；然後闡述了turbo碼的基本原理，包括turbo編譯碼器結構及迭代譯碼原理；較為詳細地描述了關鍵的譯碼演算法： ?種改進的最大后驗概率（ map ）譯碼演算法及迭代譯碼演算法；提出了一種新的turbo碼結構：混合turbo碼（混合級聯卷積碼） ；並用編碼性能聯合界分析方法對混合turbo碼進行了性能分析，得出了其平均性能上界；並在高斯白噪聲通道和瑞利衰落通道上分別作了一些應用研究及計算機模擬實驗。
  2. According to characteristics of the seismic data from the low snr region with complex surface, this paper is started from solving the static correction problem and reasonable eliminating all kinds of disturbance in the seismic data from the low snr region with complex surface. through the whole process of seismic data processing which includes a series of processing methods that are suitable for the low snr region, namely, from the choosing of the floating base - level, the static correction in the field and indoors, the eliminating of all kinds of noise before and after stacking, the velocity analysis with high - resolution, the reasonable techniques of deconvolution before stacking and wavelet processing after stacking, to the method choosing of the high - resolution stacking and the reasonable and accurate offset imaging, a set of the complete and effective flow for processing seismic data from the low snr region with complex surface are finally formed, which can meet the need of explo

    本文針對復雜地表低信噪比地區地震資料的特點，以解決復雜地表低信噪比地區地震資料靜校正問題及合理剔除各類干擾為出發點，在整個地震資料處理過程中，從浮動基準面的選取、野外及室內靜校正、疊前疊后各類噪音的去除、高精度速度分析、合理的疊前反褶積及疊后子波處理技術、到選用高精度的疊加技術及合理準確的偏移成像方法等一系列適合於復雜地表低信噪比地區的處理方法，最終形成一套較完整且有效的針對復雜地表低信噪比地區地震資料的處理流程。
  3. The digital city emergency management system is developed with many states of application technologies which include gsm network communication and locating technology, ism radio frequent communication and orientation technology, rational communication protocol, low power technical application, communication air base collision control, crc correction technology, arm development platform, etc

    摘要通過綜合使用gsm網路通信和定位技術、 ism射頻通信和定向技術、嚴密合理的通信協議、低功耗技術的應用、通信中信息空中碰撞的解決方法、 crc糾錯技術、 arm開發平臺的應用等多項應用技術，完整地構成了人員急救報警服務系統平臺。
  4. The sculling error in the velocity calculation is described and the sculling optimal compensation algorithms are derived in the sculling base motion environment. for testing the sculling correction algorithms " performance, several simulations are practiced and the simulation results show that the sculling compensation term in the velocity integration algorithms can not be neglected for the high accuracy sins in highly dynamic environments. 3

    分析了速度更新計算中劃船誤差的產生機理，詳細推導了劃船補償演算法並在劃船運動條件下推導了劃船補償優化演算法，最後對各階演算法進行了模擬分析，模擬結果表明：對處在高動態環境下的高精度導航系統，劃船補償不可忽略； 3
  5. Exposure value and correction factor ; definition, reference base

    曝光值和糾正系數.定義及參考基礎
  6. The scrolling error in the position updating calculation is discussed and the scrolling error compensation algorithms are studied in the sculling base motion environment. the simulations of the algorithms are performed and the results show that the scrolling correction term should be considered to improve the position accuracy for the system with high - resolution position updating requirements

    分析了位置更新計算中渦卷誤差的產生機理，研究了劃船運動條件下的渦卷補償優化演算法，並對演算法的性能進行了模擬分析，結果表明：對于導航定位精度特別高的場合，應該考慮加入適當的渦卷補償來提高導航精度。
  7. The material job and main conclusion are as follows : ( 1 ) a simple boundary orthogonalization procedure independence grids generation method is put forward on the base of algebraic grid generation method ; data structure and computational model on interface are established aiming at blocks of structured grids. ( 2 ) simple procedure is established in nonorthogonal grids by use of the finite volume method and in - depth discusses on special topic such as boundary condition in nonorthogonal grids, deferred correction method and grads compute on calculational nodes, and so on

    本文完成的具體工作和主要結論如下： 1 ）以代數網格生成方法為基礎提出了一種簡單的、可獨立於網格生成方法之外的邊界正交化技術；針對分區結構網格系統建立了分區交界面處的數據結構與計算模型； 2 ）利用有限體積方法在非正交同位網格系統中建立了simple求解演算法，對非正交網格系統中的邊界條件、延遲修正技術及計算節點的梯度計算等專題進行了深入討論。
  8. Using this description of space, the contours of printed regions arc identified with significant accuracy. the new approach is fast as there is no need for skew detection and correction in most conditions, and only few simple operations are performed on the description of the background ( not on the pixel - base data ). in addition to the page segmentation step, we also introduce a skew detection method based on two vertical lines

    和同類方法比較，該方法具有許多的優點：它對于版面中非規則的復雜圖形的處理可以得到和對規則圖形處理一樣的效是；在模糊參數選取經驗值的情況下對于傾斜的版面同樣可以進行處理，並且不影響處理的效果；該方法還可以針對某一特定區域而非整個版面單獨使用。
  9. The stars map procession is the base of star sensor procession. the stars map bottom processing includes in distortion correction, stars map denoising and centroid extraction. it is basis of star identification and important to successful identification

    星圖圖像底層處理主要包括星圖畸變分析與校正、星圖去噪以及星體質心提取等，它是進行星圖識別處理的基礎，它對于識別成功率具有重要意義。
  10. This paper puts forward solutions which aim at several kernel technologies of this system project : ( 1 ) in order to complete the communication between, the parallel correspondence circuit suit for this system is built on the base of the smc source. ( 2 ) the theory about data correspondence, for example communication protocols data chain data exchange and error control, is used in this system. ( 3 ) the error control technology is discussed in the aspects of hardware and software : the odd and even correction of 51 smc serial communication and a fast crc suit for smc

    本文針對現有系統方案幾個核心技術，提出了以下解決方法： （ 1 ）為完成主從cpu之間的通信，在現有單片機資源基礎上搭建適合本系統的並口通信電路。 （ 2 ）將數據通信的理論如通信協議、數據鏈路、數據交換及差錯控制等運用於該系統中。 （ 3 ）從硬體和軟體兩個方面探討了差錯控制技術： 51單片機串列通信中軟硬體結合奇偶校驗；其次採用了一種適合單片機的快速crc校驗技術。
  11. Different filtering methods have been tested to examine the effects of all kinds of filters. the correction of inertial sensor errors, navigation algorithm, coning motion, and sculling motion have also been investigated. based on the above works, the initial alignment on stationary base using imu with mdrlg has been carried out, and an usable navigation software has been completed

    對機抖激光陀螺引起的高頻振動的補償方法進行了研究，對不同的濾波方法進行了試驗;對機抖激光陀螺捷聯系統的儀表誤差補償、導航解算演算法、圓錐補償演算法和劃槳效應補償方法進行了研究;對靜基座條件下機抖激光陀螺捷聯慣導系統的初始對準方法進行了研究，編寫了實用的導航軟體。
  12. We provide a chinese layout analysis method base on fuzzy connectedness and recognition features for complex document layout. this is a process including the input document images., skew correction and texts / graphics segmentation

    本文針對復雜的中文版面，提出了一個基於模糊連接度和識別特徵的中文版面分析方法，完成了一個圖像輸入、傾斜校正、版面圖文分割的過程。
  13. Finally, the fuel injection base map and a series of correction curves are obtained via analysing the data of test result acquired by the ecu monitoring software. the ecu fuel injection control strategy which can be applied to this type of engine is developed

    最後，通過分析臺架試驗所採集的數據，研究得出ecu噴油控制的基本噴油map圖和各種相關修正曲線，並研究了與該型號發動機匹配的噴油控制策略。
  14. 4. analysing the data of test result acquiring by the ecu monitoring software, the fuel injection base map and related correction curves are roughly delivered, the fuel injection control strategy for this type of engine is developed, and the flow chart of ecu control program for fuel injection control is also designed

    4 、分析監測軟體所採集的數據，分析電控燃油噴射系統工作參數之間的關系，得出比較粗略的基本噴油map圖和各種相關修正曲線，最後制定了適用於該小型二沖程汽油機的噴油控制策略，並給出了ecu噴油控製程序的流程圖。
  15. Base on the above - mentioned analysis and also with the help of matlab simulation, transfer function of the correction network was designed. then experimental results verify correctness of the network ’ s parameters

    在利用matlab設計出校正網路的傳遞函數后，又在電路上驗證了校正網路參數選擇的正確性。
  16. As the base for further development of power hr2000 evaluation module, this module promotes the adaptabi 1 i ty of evaluation module via discussion with programmers and follow up correction

    該模型作為powerhr2000系統考核模塊開發的基礎，在與編程員不斷討論、修改的過程中，最終提高了系統考核模塊的適應性。
  17. The contents of pb and cd in soils and base - muds are determined by graphite furnace atomic absorption spectrometry with self - absorption background correction and ( nh4 ) 2hp04 as matrix modifier

    摘要利用自吸效應背景校正，以磷酸氫二銨為基體改進劑，石墨爐原子吸收法測定土壤和底泥中的鉛、鎘。
  18. Secondly, apart from the spatial character, the operational data of sea area use management are characterized by multi - source, multiple scale, and coordinate, complex type and large quantity, etc, so this paper has laid emphasis on studying the spatial data model and the data framework related to the management of sea area use, solved a series of key technical problems such as check and correction, organization and structrue, quality management and standard norms for the geographical sapce data associated with the management of sea area use, proposed various practical and effective ways of storing and managing spatial and non - spatial data and established the spatial data base system for the management of sea area use

    其次，由於海域使用管理業務數據除空間特性外，還具有多源、多尺度、多坐標、類型復雜、數據量大等特徵，因此，本文重點研究了與海域使用管理相關的空間數據模型與數據框架，解決了海域使用管理相關地理空間數據的復合與訂正、組織與結構、質量管理與標準規范等一系列關鍵技術問題，並提出了切實有效的空間數據和非空間數據的不同的存儲、管理方式，建立了海域使用管理空間數據庫系統。
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