距差定位 的英文怎麼說

中文拼音 [chādìngwèi]
距差定位 英文
distance-difference measurement
  • : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • : 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...
  • : 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...
  1. The main work of the first part includes : introducing some methods of underwater sound positioning and analyzing their performance, analyzing the theory of measuring direction and distance of the target by three elements symmetrical and dissymmetrical array, comparing the measuring error of two kinds of array, and giving the theory of the generic arrays and discussing the phase wrapping and the distance wrapping in passive ranging

    對被動測技術的研究工作主要包括:簡單介紹了水聲的幾種方法,並對其性能進行了分析對比,分析了三元對稱陣和非對稱陣測向測的原理,對兩種陣型的測向測進行了對比分析,還給出了一般陣型測向測原理,最後還對被動測向測中存在的相模糊和離模糊問題進行了探討。
  2. Specifies that vertices that differ in position by less than a small amount the epsilon value should be treated as coincident

    置上的小於一個較小的量(該epsilon值)的頂點應被視為在同一個置。
  3. In other words, the chinese motor makers are now facing fierce competition both at home and abroad. under the new situation, a profound and objective evaluation on ice of chinese auto enterprises is crucial for taking advantage of this opportunity and upgrading the productivity of the entire industry. consequently, the evolution of auto industry will eventually increase the overall competitive power of the whole country

    因此,如何客觀地評價我國汽車企業的國際競爭能力,細致地分析具體競爭力的強弱,給中國汽車企業的競爭力水平以一個準確的,找準、勵精圖治,爭取抓住機遇,實現中國整體汽車產業的跨越式發展具有現實意義,汽車產業這個支柱產業的發展對提升我國的整體競爭力水平也有著長遠的意義。
  4. Several mode of the subdividing drive are integrated in one system. so the control become multiplex. the displacement can be divided to whole step part and microstep part. microstep part is used to satisfy the precision of position, while whole step part is used to satisfy the speed of position

    實現多重細分和變細分調速,提高了細分驅動的靈活性和可選擇性;根據整步移無控制誤,將點行程拆分為整步移部分和滿足精度的微步移部分,分別以不同的細分數運行同時滿足點控制的速度與精度要求。
  5. Thirdly, an ideal satellite orbit is simulated, and on this foundation, we establish some typical simulation and testing circumstances. lastly, after simulation in the simulation and testing circumstances, we compare the performance of ukf and ekf. and then, based on the outdoor experiment of the vehicle, an analysis and contrast between our simulation results and commercial data process software is carried out, and the conclusion is obtained

    首先在第三章提出的目標運動模型的基礎上建立了系統狀態方程;其次簡要分析了衛星導航系統中的各類誤,建立了基於偽觀測量的系統觀測模型;第四節利用yuma格式歷書數據模擬了未受攝動影響的衛星軌道,並在此基礎上建立了幾種典型的動態模擬測試環境;第五節為模擬分析和比較,先對ukf演算法和ekf演算法在動態模擬測試環境中進行了模擬比較,然後針對外場試驗,對非線性濾波獲得的結果與商業軟體進行了分析比較,並得出結論。
  6. The dissertation is mainly including four section : the first is the experiments done in the tank, which will supply the reliable information of imaging data ; the second is image edge detection by the use of the art of the zernkie moments, which is used to detect the liner and threaded edge of the object, the third is the underwater camera calibration technique, the forth is automatic positioning the location of the camera by used of the art of cross - ratio, the result of which is satisfied

    本文工作分為四個部分:第一部分是水槽實驗部分,它為后續的工作提供了可靠的圖像數據信息;第二部分是基於zom的直線、曲線邊緣提取技術及相關的與處理技術;第三部分,水下攝像機標技術研究,基於改進的tsai演算法,採用逐步分解的標策略。並探討了一種相對簡單的、靈活的標技術;第四部分是攝像機技術研究,採用具有平移不變性的交比進行攝像機,模擬試驗的最大誤不超過2 ,效果還是令人滿意的。
  7. This artiele tries to find out the tifferences by comparison between china ' s art of lettering of the time and the seal cutting in the ming and qing dynasties in china from the two aspects of artistic subject and creatine ranks, and then from the same abjeet of expression ( chinese characters ), from the same, technique of expression ( cutting cutting ), eraws experience and lessons from the art of seal cutting ( especially the seals of scholars in the ming and qing dynasties ) which was similarly deeplhy rooted in china and closely connected with tradition, so as to make a research on its location and orientation and promote sound development of the art of lettering of the time

    摘要本文試圖從藝術本體、創作隊伍兩方面尋找中國當代刻字藝術與中國(明清)篆刻藝術相比較,進而從同一表現對象(中國漢字方塊字) 、同一表現手法(刻)和同樣紮根在中華大地上的、與傳統接軌的篆刻藝術(特別是明清文人印)那裡汲取經驗教訓,促使當代刻字藝術健康成長,作出向研究。
  8. 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。
  9. We prove theoretically that under certain reasonable assumptions the formation is asymptotically stable even wills bounded disturbances ; that is, the proposed sliding mode controller can asymptotically stabilize the errors in relative distance, relative bearing and heading direction, respectively

    在合理的假設下,從理論上證明了存在有界干擾情形下機器人編隊的漸近穩性,即所設計的滑模控制器使得相對離誤、方角誤及運動方向誤漸近穩
  10. Aiming at the enhanced positioning accuracy of wireless sensor network node location, an improved positioning algorithm which uses a differential error correction scheme that is designed to reduce cumulative distance error and node location error accumulated over the multiple hops is proposed in this paper, together with its basic principle and realization issues

    摘要本文針對無線傳感器網路節點的精度問題,提出了一種採用誤修正的方法來降低累積離誤的傳感器網路節點改進演算法,給出了該演算法的基本原理與實現方法。
  11. Abstract : the attitude error performance of electrostatic gyro should be understood and the relevant error equations must be set up in order to ensure the navigation precision of esgm. the relation between the navigation errors and the attitude errors of gyro was derived by use of spherical triangle. the simulation results show that the temporal performances of the longitudinal and distance errors which come from the initial alignment errors are periodically variational. they also show that the longitudinal and distance errors resulted from gyro drifts are not convergent in time. thus, the effects of initial alignment errors and gyro drifts can not be neglected and must be estimated and compensated

    文摘:為了保證靜電監控器的導航精度,需要了解靜電陀螺的姿態誤特性,建立相應的誤方程.本文採用球面三角形原理推導了導航與陀螺姿態誤的關系式.模擬結果表明,由初始向誤引起的經度誤離誤的時間特性是周期變化的;由陀螺漂移引起的經度誤離誤是隨時間發散的.因此,初始向誤和陀螺漂移的影響不能忽略,必須對其進行估計和補償
  12. The desired competitive pay position in relation to a specified group of other companies or the employment market as a whole, defining whether average salaries should be equal to higher or lower than the salaries paid by the comparison groups, and by how much

    相對于其他公司某類雇員或整個勞動力市場而言,最理想且具競爭力的薪酬。薪酬策略規平均薪酬應相等於高於或低於比較對象的薪酬,以及其,例如中數薪酬策略或第
  13. It offers a deep study into the relationship between the new military transformation and the military personnel training. it points out three obvious gaps : the comprehensive quality of the military personnel under current personnel training of military academies cannot meet the requirements of all - dimensional wars with combined offense and defense under the conditions of the new military transformation ; the working ability of the military personnel cannot meet the needs of the weaponry developing trend under the conditions of the new military transformation ; and the development orientation of the military personnel cannot suit the needs of future military informationization drive. then according to the internal requirements for new knowledge, technology, quality and ability of military personnel by the developing trend of the new military transformation, the thesis offers an all - round analysis of the characteristics of the new - type military personnel under the conditions of the new military transformation

    本文從新軍事變革產生的背景、成因、特徵和發展趨勢出發,深入研究了新軍事變革與軍事人才培養的關系,提出了當前軍隊院校人才培養中存在著的軍隊人才綜合素質與新軍事變革條件下全方、多攻防作戰需要不相適應,軍事人才任職能力與新軍事變革條件下武器裝備發展趨勢不相適應,軍事人才的目標發展與未來軍隊信息化建設要求不相適應的三個明顯,並根據新軍事變革的發展趨勢對軍事人才掌握新知識、新技術以及素質能力的內在要求,全面分析了新軍事變革條件下新型軍事人才的特徵模型,深刻揭示了適應新軍事變革需要的新型高素質軍事人才的知識能力素質是具備綜合性、復合性、全面性,創新性、發展性、智能性、開放性、應用性八個方面特徵的立體化樹狀結構。
  14. We write the program which used for fighting errors in absolute positioning. we also write the program which used for linear combinating in absolute positioning. from analyzing for the measurement of outer, we can conclude that we can use m estimation to estimate parameter in gps absolute positioning. lt has application value. using it, we can obstain the stable positioning result and remove the outer. in this paper, we calculate the data which from the baseline space of the gps calibration space. we also draw some conclusion using broadcast ephemeredes and smoothing pseudoranges. the positionging precision is in 1 - 2 meter

    編制了gps絕對中抗估計程序和應用線性組合進行單點的程序。通過對粗量級的分析,得出在gps觀測量存在粗時, m估計是有其應用價值的,它使結果較為穩,減弱和剔除了粗的影響。應用線性組合程序對gps綜合檢場數據基線網點進行計算,得出用廣播星歷和平滑后的偽可以給出較好的結果,點精度在1 ? 2米。
  15. The methods above have been simulated using emtp and matlab, and the simulation results indicate that, ( 1 ) in the fault location method based on wavelet reconstruction, the influences of reflected waves from tee joints or resistance discontinuities except the fault point can be eliminated when the current difference between faulty phase and sound phase is used in fault location

    本文利用emtp和matlab程序對上述方法進行了數值模擬,結果表明: ( 1 )在本文所提出的基於小波重構的電纜故障測方法中,利用健全相和故障相的電流信號進行故障,能消除故障點之外其他阻抗不匹配點的反射波的影響。
  16. Based on the comprehensive analysis of the application status and the existed problems of transmission line fault location, this dissertation presented a new algorithm for fault location based on two - terminal asynchronous data, which can make correction for the integrate error of line parameter, length of transmission line, sampling value and so on. at the same time, it can work out the two - terminal asynchronous phase angle with the corrected parameters

    本論文在充分分析了國內外故障測的理論與技術以及存在的問題后,針對輸電線路故障因線路參數變化對準確度的影響,提出了能夠對線路的參數、長度和采樣值等誤等進行綜合誤修正( cie )的新演算法,並利用修正後的參數來求解兩端的不同步相角
  17. In this paper we made a systemic analysis and study of the accurate orientation technology in the process of helicopter landing - photogrammetry, made the model of using double ccd to measure the exact position of helicopter based four latent points photogrammetry, educed formula about beaconing position, analyzed the computing error, and particularly computed the information of beaconing position of the helicopter ' s landing by experiment emulation. in the result, the error between a computed value and a measurement value was less than 5 centimeters

    本文對直升機著艦精確技術中的攝影測量演算法進行了系統分析和深入研究,在四特徵點測量演算法基礎上建立了雙ccd攝影測量直升機精確置坐標的數學模型,進一步從各個影響演算法測精度的方面討論了計算誤,推導出測量信標坐標置的計算公式,並對利用雙攝影測量演算法計算直升機著艦掛鉤置的正確性及準確性進行了模擬實驗,得到的演算法計算值和實驗測量值之間的誤在5cm以內。
  18. 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、評技術的問題,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技術研究只有重要的理論意義與實用價值。
  19. Satellite fixing by range difference measurement

    衛星
  20. Every machine is inspected by the renishaw laser intervervrne instrument which can amend the screw - pitch error, recrse clearance, positioning accuraacy of the machine

    每臺機器均使用雷尼紹雙頻激光干涉儀校正,精確的對螺精度、重復精度等做出檢驗補正,以確保機器之動態、靜態穩性及加工精度。
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