雷達定位法 的英文怎麼說

中文拼音 [léidádìngwèifǎ]
雷達定位法 英文
radar positioning
  • 雷 : 1. （雲層放電時發出的響聲） thunder 2. （軍事上用的爆炸武器） mine 3. （姓氏） a surname
  • 達 : Ⅰ動詞1 （暢通） extend 2 （達到） reach; attain; amount to 3 （通曉; 明白） understand thoroughly...
  • 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...
  • 雷達 : [訊] radar （縮自 radio detection and ranging）
  1. 4. on the base of deep discussing about spaceborne sar operation, we present an approach to acquire the target location plane by satellite position and platform attitude, then to locate the target consistent with the earth surface curvature

    論文在深入研究星載雷達實際工作狀況的基礎上，提出了一種由衛星位置和平臺姿態獲得衛星與目標所在的定位平面，再根據目標所在地面的彎曲狀況以及衛星到目標的距離確定目標位置的方法。
  2. The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering

    本文從星載雷達的星地幾何關系入手，舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型，研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法，並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體，完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析，最後完成雷達回波信號的模擬。
  3. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  4. Abstract : based on weapon locating radar, this paper discusses detection performances of its sequential detection system in detail firstly. optimal method is applied to obtain its optimum threshold and criteria

    文摘:以某型炮位偵察校射雷達為實際工程背景，詳細討論了其序列檢測系統的檢測性能，並應用最優化方法得出其最佳門限和最佳判定準則。
  5. Based on the research of the complex angle and the bias compensation techniques, the dynamic compenstion with relative phase is developped for elevation tracking & measure with the amplitude - comparison monopulse radars, and it is proved to be a optimum technique by thoery and simulations

    因此，在深入研究復角法和固定偏差補償法的優缺點基礎上，本文針對單脈沖比幅測角體制的雷達，提出了一種新的俯仰角測量演算法?聯合相位的動態偏差補償法，理論分析和計算模擬證明這種演算法了這種演算法的優越性。
  6. A new approach for initial localization of the mobile robots, namely complete line segments ( cls ) based localization was proposed. the definitions of cls as well as its properties and decision rules were given. the experimental results show that this method has much higher computational efficiency and better localization accuracy

    作者先針對目前機器人定位研究中的難點? ?初始定位，結合激光測距雷達的數據特點，提出了基於完整線段（ completelinesegments ， cls ）的初始定位方法，包括cls的定義、性質和判定方法，並在機器人試驗平臺上進行了實驗。
  7. In conformity with this means, we study that the changing of radar and platform coefficients influences the target location, and present the way to analyze the location accuracy through the platform position accuracy, platform attitude stability and radar timing accuracy

    在此基礎上，論文剖析了雷達及平臺參數變化對目標定位的影響，提出了通過平臺位置精度、平臺姿態穩定精度和雷達定時精度來分析目標定位精度的方法。
  8. Studied the cluster and background reduction algorithm and, proposed an enhanced adaptive step average method based on the amplitude of a - scan signal ; 2. improved the gpr data acquisition and processing software, some utilities have been added such as position wheel control program, data format translation etc. ; 3. implemented 3d targets imaging using mixed programming of matlab and visual c + + ; 4

    本文的主要工作如下: 1 .研究了探地雷達回波信號雜波及背景去除演算法，改進了一種基於a - scan信號強度的自適應滑動平均法; 2 .改進並完善了探地雷達數據採集處理軟體，加入了定位輪控制數據採集、數據格式轉換、目標距離測定等程序; 3 .研究了探地雷達目標成像演算法，利用動態鏈接庫技術實現了在脫離matlab環境下在visualc + +編寫的程序中調用matlab程序對目標進行三維成像的功能; 4 .參加外場實驗及項目驗收。
  9. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行器軌道機動過程中，為跟蹤、定位機動目標和干預機動控制過程，需要統計處理離散的雷達觀測量實時估計推進發動機的推力，進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型，推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量，應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  10. Then, we use a simulation method to create a large number of radar measurement values, produce a quantity of random numbers using computer software and add them to the radar measurement values, we use kallman filtering method to calculate the location, velocity and trajectory coefficient of the target at the moment of the final tracking point, and use the numerical solving method of differential equation to calculate the trajectory, the location of the hostile artillery or the impact point of its own projectiles, finally, we calculate statistically the random error of the tracking system and analyze the location accuracy

    然後採用模擬模擬方法獲得大量的雷達測量值，由計算機軟體產生大量的隨機數，加入雷達測量值中，用卡爾曼濾波法計算出最後跟蹤點時刻的目標位置、速度和彈道系數，再用微分方程數值解法計算出整個彈道軌跡、計算出敵方炮位的位置或己方炮彈的落點，最後統計出跟蹤系統的隨機誤差，分析定位精度。
  11. 4. through our research, the whole measuring scheme is finalized for pulse - counting method with analog intervene chosen to measure distance, the differential coefficient method based on the least - squares curve fitting based on power functions chosen to measure velocity and qd optical spot location method chosen to measure angle

    4 .通過研究，最終確定了以模擬插入脈沖計數法測距，冪函數族基最小二乘曲線擬合微分法測速，四象限探測器（ qd ）光斑定位法測角的脈沖激光雷達整體測量方案。
  12. Firstly, this paper summarizes modern weaponry stealth technology at home and abroad, and lays special emphasis on analyzing stealth problem of cruise missile ’ s guidance head cover, aerocraft radar canopy and other privileged sites. secondly it makes a research on related theories of transparent metallic mesh that applied to missile ’ s guidance head cover and aerocraft radar canopy, and deduces relational expression between transparent metallic mesh structural parameters and radar wave - shielding efficiency, infrared transmitting. we use laser direct writing technique to fabricate a metallic mesh ( dimension : 70mm 70mm ; line width : 5 m ; period : 350 m ) on glass surface, then do experiment to test radar wave - shielding of metallic mesh via radar transmitting and receiving device

    本文首先綜述了國內外現代武器系統隱身技術方法;重點對巡航導彈導引頭罩和飛機雷達艙罩等特殊部位的隱身問題進行了研究，研究了金屬網柵用於導彈頭罩和飛機雷達艙罩隱身的相關理論，推導了金屬網柵結構參數對雷達波屏蔽效率和透紅外關系式;用激光直寫工藝，在玻璃表面上製作了一塊面積為70mm 70mm ，線寬為5 m ，線周期為350 m的金屬網柵;在實驗室里用雷達發射和接收裝置測試了網柵對雷達波的屏蔽實驗;認為利用金屬網柵技術對雷達波具有一定的屏蔽作用，而且不影響精確制導的紅外線高效透過。
  13. Based on the characteristic of system, the antenna is designed with one transmitter and two receivers and the localization principle of twsr is analyzed. target localization algorithm and error distribution computing method based on time - only - localization ( tol ) are proposed

    同時根據系統特點，天線採用單發雙收方式，分析了穿墻探測雷達定位原理，提出了基於波達時間（ tol ）的目標定位演算法和誤差分佈計算方法。
  14. In the paper, the gpr system developed by us employs several optimization techniques to enhance the system performances, including antenna, sampling - hold circuit, orientation wheel, function of system software, multithreading, and signal processing algorithms. as the result the system works more well with these techniques, and its azimuth and distance resolution of 10 cm has been achieved with detection depth of more than 50 cm. the main contents of this dissertation are summarized as following : 1

    本文根據探地雷達系統工作原理，在電子科技大學探地雷達系統樣機研製的基礎上採用了各種有效的優化技術，包括探測前端、采樣保持電路的優化，定位輪、目標定位、多線程技術的應用，數據採集處理和控制軟體功能的拓展、各種有效的信號預處理演算法的應用等，顯著提高了系統的探測性能和增強了探測效果，使得系統方位、距離解析度均達到了10cm ，探測深度大於50cm ，其性能指標達到國外先進水平，為進一步的實用化奠定了重要的基礎。
  15. A improved method of quot; ghost quot; cancellation in active radar network location

    有源雷達組網目標定位中去除虛假目標的改進方法
  16. This paper will deeply and systemically analyze the effect of random error on the location accuracy of the artillery target - search and gun - pointing adjustment radar by using simulation method, present an approach to increase the location accuracy

    本文以模擬模擬的方法深入系統地分析了隨機誤差對炮位偵察校射雷達定位精度的影響，並提出了提高定位精度的途徑。
  17. This thesis mainly focuses on nonlinear filter and data fusion problems, the main results are as follows : 1. this thesis presents fundamental theory, position model and error analyses of non - cooperative bistatic radar positioning system

    本文從非線性濾波演算法和數據融合兩個方面進行研究，主要工作成果如下: 1 、介紹了非合作式雙基雷達定位的基本原理，定位模型以及誤差分析方法。
  18. Firstly, the study of real two - channel data recorded by the airborne battlefield radar is made based on the methods of gmti, which including the study of methods of two - channel equilibrium, that of the precious estimate of beam scanning angle, that of the doppler center, that of the compensation for pattern error and that of gmti and that of location of the moving target using the phase - comparison mono - pulse method

    首先，結合動目標檢測方法，對機載遠程戰場偵察雷達實驗系統錄取的雙通道數據的處理進行了研究。內容包括兩通道均衡方法研究，波束掃描角精確估計方法研究，多普勒中心估計方法研究，方向圖誤差補償方法研究，動目標的檢測和干涉定位方法研究。
  19. After that, we analyze the internal resources and capability of the hs - sysway company by radar chart and value chain etc. then we analyze the advantage and disadvantage of the holding chances and cutting threaten, using the vrio frame. the results are following - the main advantages for hs - sysway are : its support for capital and tobacco market, ierp ( developed independently ) and differentiation, erp ' s marketing capability, technique development capability, local costs and services etc. ; the main disadvantages are : the strategy orientation is unclear and carried out weakly, low level management, persons with high ability are short of or missing, weak maturity and difference of products, short of core technology and capability etc. on that basis, we analyze the stakeholders and specify the task of the company ; we use the swot analysis and large tactic matrix etc. and bring forward the basic strategy of the development that is the aggressive strategy

    其後，運用雷達圖分析、價值鏈分析等方法對企業內部的資源與能力進行了分析，然後利用vrio框架，對企業能夠用以抓住機會、削減威脅的優勢及弱點進行了分析，得出宏聲新思維公司的主要優勢是宏聲集團的資金及煙草市場支持、自主開發的ierp及其差異化、 erp營銷能力、技術開發能力和本地化的成本及服務等，主要弱點是戰略定位不清晰且貫徹不力、管理水平低、高素質人才匱乏且有流失、產品成熟度和差異性不高、缺乏核心技術與能力等。
  20. And some emulational results are given. these improved methods consist amplitude and phase compensate of fixed cancellation. at last we introduce a processing method of radar moving target indication all by adsp21062

    提出了相控陣雷達中一個波束位置發射脈沖數少時實現雜波抑制時對固定對消進行相位和幅度補償的改進方法。
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