時差定位法 的英文怎麼說

中文拼音 [shíchādìngwèifǎ]
時差定位法 英文
space-time processing
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 時差 : 1 [天文學]（平太陽時和真太陽時的差）equation of time2 （不同時區之間的時間差別）time difference時...
  1. 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。
  2. On the basis of algorithm analysis, from aspects of detecting principle, detecting steps and computer emulation, the authors expatiate how to use wavelet transform to detect backscatter signals ' time difference and find the fantastic point of backscatter signal ( the time point when backscatter signal reaches ), finally to find the location of the object being detected

    在演算法分析基礎上，從檢則原理、檢測步驟、計算機模擬方面闡述如何利用小波變換檢測回波信號時差，以確定回波信號的奇異點（回波信號到達時間點） ，進而確定被探測目標的位置。
  3. The algorithm can not only eliminate the influence of the cumulative errors of the photoelectric code recorder, but also it can satisfy the requirement of the real - time control. a direct inverse model controller of fuzzy neural network with changeable structure based on takagi - sugeno inference is presented and it is used to the motion control of mobile robot. in order to avoid the obstacles successfully, detection results from ccd and ultrasonic sensors are fused by a fuzzy neural network, which acts as an avoidance controller

    包括移動機器人的融合自定位問題：移動機器人利用光電編碼器進行自定位，同時用擴展卡爾曼濾波器融合多個超聲波傳感器的測量值，採用回朔演算法將融合值用於復位光電編碼器，消除了光電編碼器累積誤差的影響，並能滿足實時控制的要求：並提出一種基於takagi - sugeno模型的變結構模糊神經網路直接逆模型控制器，並應用於移動機器人的運動控制；利用模糊神經網路避障控制器融合ccd攝象機與超聲波傳感器探測到的環境信息，以實現機器人的安全避障。
  4. Conventional single - observer passive locating methods are low in speed and precision. moreover, corresponding locating precision is sensitive to direction measurement errors, which puts forward high demands on measurement equipments impersonally

    傳統的單站無源定位方法總的來說具有定位時間較長、定位精度較低的特點，並且定位精度對方向測量誤差非常敏感，在客觀上對測量設備提出了較高的要求。
  5. Such survey, research, contrast and analysis lead to the author ' s positioning of current status of county economy development of the yuanmou county as follows : 1 ) yuanmou is a county typically sustained by agriculture and thus has the characteristics of its kind along with other basic characteristics of mountainous counties ; 2 ) it has lagged far behind the development of the rest of the country, with an economic size accounting to merely 25 % of the average of other counties of china, or 50 % of other counties of yunnan ; 3 ) natural advantages have enabled the tropical crops and green agriculture to stand out as the leading industries, which, together with the discriminative planning and effective efforts of the local government, has resulted in the emergence of the promising " dinosaur economy ; " and 4 ) under - development of industry, now the weakest point of economy of the county, has always been hindering the rapid growth of the local economy and worrying the county leadership, suggesting that industrial restructure and accelerated development of the second and third industries are a tough but inevitable task to tackle

    通過調查、研究、對比、分析，將元謀縣域經濟發展的現狀定位在：元謀縣是邊疆少數民族地區典型的農業縣，具有農業主導縣所具有的典型特徵，同時也具有山區縣經濟類型的基本特徵；與全國縣域經濟的平均水平相比差距較大，為25左右；與雲南省的平均水平相比僅為50左右；元謀縣由於具有一定的自然優勢，其熱區作物、綠色產業已經非常突出地成為了該縣的主導產業，加之政府能動力發揮得較好，其「龍型經濟」正在逐步形成，發展勢頭看好，縣域經濟的規劃、發展思路清晰明了；工業仍然是元謀縣經濟發展最為薄弱的一環， 「無工不富」是時時懸在縣委、縣政府頭上的一個警鐘。產業結構的調整，二、三產業的大力發展是元謀縣無法繞開而又必須面對的非常艱巨的任務。
  6. Through simulation, the influence of antenna baseline and time error to the algorithm performance is analyzed

    通過數值模擬，進一步分析了天線基線，時間誤差等因素對演算法定位性能的影響。
  7. This method includes two kinds of observation data for the correlation rule, hence resulting in enhanced spatial resolving capability. weighted track fusion with cep as weight is proposed. this method has less calculation and notable result

    同時根據無源定位系統觀測誤差的分佈特性，提出了以為權因子的加權航跡融合演算法，該融合演算法計算量小，效果顯著。
  8. The localization of mobile object is accomplished by nonlinear kalman filter. based on the formulae of localization errors, the rules are analyzed, which describe the relationship between the localization precision and the constellation factors, such as constellation shape, the height of satellite. the method to design the constellation is presented with the help of these rules

    論文利用非線性kalman濾波設計了三星時差定位星座對運動目標的定位定速演算法；根據定位誤差的解析公式，利用模擬方法分析了三星時差定位星座的星座構型和衛星高度等因素對定位精度的影響規律，並依據定位精度影響規律，研究了三星時差定位星座的星座設計問題。
  9. Finally the localization performance of the new estimator and the ls estimator when one station is raised and the traditional four station three tdoa localization estimator were compared

    比較了採用單站升高條件下新定位演算法與最小二乘定位演算法以及傳統四站三時差定位演算法的定位性能。
  10. Two methods to position one fixing object are discussed, one makes use of data observed in one single time, the other makes use of data observed in one period of time

    本文討論了三星時差定位星座對固定目標定位的兩種定位方法：利用單個觀測時刻數據的定位和利用多個觀測時刻數據的定位。
  11. First the traditional four stations three tdoa localization estimator and the five stations four tdoa localization estimator in the condition of one station is raised were analyzed, and then the simulation result was given

    對傳統的四站三時差定位演算法與單站升高體制下五站四時差定位演算法進行了理論分析，並給出了模擬結果。
  12. The key problem to be solved in multi stations tdoa system is spatial and time synchronism between stations, weak signal detection and solution for high precision location equation

    多站時差定位系統也有其自身要解決的關鍵技術和難點:多接收站之間的時間、空間的同步問題，目標回波的弱信號檢測問題，高精度的定位方程組求解方法。
  13. Referring to the classical location method attributed to geiger, this paper brings up a scheme according to energy tracking and time difference of arrival ( tdoa ) theory to the position location of the survivor. and proves the feasibility of this scheme through a series of experiments

    參照經典的地震定位方法（ geiger法） ，提出了一種基於能量追蹤和時差定位的生命搜索定位技術方案，並且通過模擬實驗和計算，論證了該方案的可行性。
  14. 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。
  15. Two crucial technologies in instantaneous negative pressure wave method are analyzed in this dissertation, then a means is presented which can eliminate the dynamic response time diversity between pressure sensors in the beginning and end of the pipeline, by adopting gps to unify the system time between data collecting systems in two ends

    分析了負壓波泄漏定位方法的兩項關鍵技術，提出了消除首末、端壓力傳感器動態響應時間差的方法，採用gps來統一首末端數據採集系統的系統時間；使定位更加準確。
  16. Aiming at the problems in the orientation, evaluation anj the testing system, in order to develop the ae source orientation technology, research the testing system fitting to the situation of our country, we carry out the study of new type of acoustic emission testing and technology of ae sources orientation with advanced electronics and computer technology, at the same time, carrying out the research of aptitude evaluation technique, get realization of convenience and visibility of ae technology

    針對目前檢測系統存在的差距和定位、評定技術的問題，本文結合先進的屯子技術及計算機技術，以期研究出符合本國國情的聲發射檢測系統，並改進聲發射定位方法、模式，同時開展智能評價技術研究，真止實現聲發射檢測的方便性利可視性。因此，開展新型聲發射檢測系統與定位技術研究只有重要的理論意義與實用價值。
  17. To eliminate or lessen the system errors caused by the offset and slope of the thin aluminum sheet when measuring its surface, and to avoid over - cutting while machining the honeycomb surface, the saddle - point programming is applied to the position optimization of the theoretical surface. to generate the cnc program of the honeycomb sandwich, the equidistant calculation of the actual surface is produced and the data processing software is developed

    利用鞍點規劃方法優化理論橢球面的位置，使實測曲面相對理論橢球面的最大法向誤差達到最小，減少或消除了蒙皮內表面測量時由於定位的偏心或歪斜引起的系統誤差，使誤差均化，防止了配對加工蜂窩夾芯表面時少切或過切現象的發生。
  18. Besides, in case that the prior information about channel environment is unknown, in order to fuse location results obtained by different location algorithms to get more accurate and reliable location results, two location fusion methods which depend on the location results weighted by location distance residual are proposed, the feasibility of this algorithm fusion methods are demonstrated by simulation under two environment conditions

    此外，還提出了兩種通過定位距離殘差對定位結果進行加權的演算法融合方法，以期在通道環境先驗信息未知時通過對不同演算法定位結果的融合，取得更準確可靠的定位結果；通過對兩種環境條件下的模擬，驗證了這兩種演算法融合方法的可行性。
  19. Though the hill equation was improved it cannot satisfied with the long distance navigation. here is considering the main satellite the following satellite and the target satellite format a triangle in the space which was useful in the relative navigation. the orbit of the following satellite was resolved by calculate the hill equation

    盡管如此改進的hill方程依然不能滿足遠距離的相對導航，當從星在攔截目標星時，若目標星在攔截過程中發生軌道機動遠離主星，這里考慮到在已知從星軌道的前提下利用主從星以及目標星在空間形成的三角關系這一有利條件進行幾何法定位的研究，並通過數學模擬對其誤差大小進行了分析。
  20. Faced with such problems, a modified adaptive eigenvalue decomposition algorithm maeda for time delay estimation is proposed, based on which an emulation system is developed. experimental results show that the proposed new algorithm works well in sound source location and moving sound source tracking, meanwhile, it overcomes the drawbacks of the traditional aeda algorithm

    實驗表明在真實的聲場環境下該演算法能夠對單個聲源的三維空間位置進行實時的定位和跟蹤，系統在1 . 5m范圍內對聲源的定位誤差小於8cm ，聲源位置變化時，系統也能準確跟蹤聲源的位置。
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