tracking studies 中文意思是什麼
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Considering the characters of 3 - axes coordinate system that is not included in ship rectangular frame or inertial frame, compensation conditions are deduced through studying the effects of ship - swing. the paper studies how to transfer line velocity and acceleration in the inertial frame to angular velocity and acceleration which correspond each axis, then gives the computer function scheme. servo control scheme which can overcome ship swing and realize moving - target accurate tracking is designed according to inconsistency of radar base angle and beam angle
針對三軸軸系既非甲板坐標系又非大地坐標系的特點，既研究了船搖對正交三軸雷達系統的影響，推導實現船搖不變性的補償條件，又研究了將目標在大地坐標系中的線速度和線加速度濾波值折算到各軸對應的角速度和角加速度值的計算關系，並作出了計算機功能框圖。 -
Using the theory of computer control system, the thesis studies a monitor control system in engineering implementation project. the system is a subsystem of a reception station equipped with 6 - meter single pulse tracking spatial active target
論文運用計算機控制系統理論研究了空間有源目標6米單脈沖跟蹤接收站監控系統的工程實施方案。 -
We recognize words quickly and determine if they fit in our “ semantic maps ” ( another term covered in our eye tracking studies ), but we don ' t read the listings
我們很快的挑詞出來看他們是否適合我們的」語義圖「 （語義圖是我們研究的一個專用名詞） ，但是我們並不去管具體列出來的是什麼。 -
The paper includes four sections followed here : the first section studies the modeling of signals of pulse doppler radar seeker, and establishes a radar signal simulation model, including radar emitting signal model, receiving signal model, receiving echo signal model, clutter model, noise model, sum channel directional pattern of antenna model, difference channel directional pattern of antenna model, sheltering model, rcs model, glint noise model, etc. the second section studies signal processing of pulse doppler radar seeker, and establishes radar signal processing mathematical model and data processing mathematical model for simulation, including windowing, doppler filtering, envelope demodulation, pdi, cfar, centering, velocity tracking, angle tracking, a - b filtering, etc. the third section studies the modeling of modified proportion guiding, and establishes guiding model, then dynamic simulation results is provided
論文的主要工作包括四部分：第一部分研究了脈沖多普勒雷達導引頭的信號建模問題，建立了雷達信號模型，主要包括：發射信號模型、接收信號模型、目標回波信號模型、雜波模型、噪聲模型、和差通道天線方向圖模型、遮擋因子模型、接收機噪聲模型、目標雷達截面積統計性模型、目標角閃爍模型等。第二部分研究了脈沖多普勒雷達導引頭的信號處理模式，建立了信號和數據處理模型，主要包括：加窗和多普勒濾波、包絡檢波、檢波后積累、頻域cfar處理、速度定心、速度跟蹤、角跟蹤、 ?濾波等，然後給出了信號處理流程。 -
This paper studies and discusses comprehensively the applications of data processing techniques in track while scan radar. it begins with studies of filter theory and multitarget tracking theory, and continues to make deep discussion of such topics in the multitarget tracking environment as target movement models, adaptive - filtering and prediction, dynamic data association algorithms, and measured data. for radar using purpose, the data algorithms for nnf and the adaptive a - p filtering and prediction based on " cv " model are studied emphatically
論文對邊掃描邊跟蹤雷達中數據處理技術的應用作了全面的研究與討論，深入研究了符合實際的濾波理論與多目標跟蹤理論；對目標運動模型、自適應卡爾曼濾波與預測技術、各類數據關聯演算法、量測數據的處理等多目標跟蹤所涉及的主要內容進行了討論；根據實際雷達跟蹤要求，對nnf數據關聯演算法和基於「 cv 」運動模型的自適應濾波與預測演算法等作了重點研究。 -
This paper probes into the technical difficulties in the application of image tracking systemon armored vehicle, and studies on the target detection, recognition and tracking techniques onvehicle. it also investigates the realizing technology of image tracking system on vehicle, andaccomplishes the development task of corresponding project
本文探討了圖像跟蹤系統用於裝甲戰車所存在的技術難點，研究了車載環境下目標的檢測識別與跟蹤技術，並進一步研究了裝甲戰車圖像跟蹤系統的實現技術，完成了相應工程項目的研製任務。 -
" the satellite tracking studies indicate that some of the green turtles nesting at sham wan came from the coastal waters off hainan island
張家盛說：漁護署利用衛星追蹤綠海龜的研究顯示，部分到深灣產卵的綠海龜來自海南島附近的近岸海域。 -
This paper studies a data experiment and identification problem of an actual system, in which the steering gear and the satellite - satellite pointing / tracking system act as the study object, based on system identification technique. the main factors that influence identification results and problems that should be paid attention to are analyzed. base on the analysis, auto - regressive moving average with exogenous input model ( armax ) for steering gear and a three - layer predictive control neural network model are established
從理論的角度研究了對於一個實際系統的數據實驗設計和模型辨識問題，分析了影響系統辨識結果的主要因素以及在辨識過程中應注意的問題，並以此為依據，建立了舵機的滑動平均模型和星星天線指向控制系統的三層預測控制神經網路模型。 -
Finally, this paper analyzes and studies tracking errors and shooting prediction which are calculated by the fire - control system, and brings forward the solutions for reducing errors by comparing with experimental curves and the tracking precision may be increased efficiently
最後，本文對火控模擬系統的跟蹤誤差和射擊提前量進行分析研究，通過對比分析變化曲線，提出了幾點減小誤差的解決措施，有效提高了跟蹤精度。 -
This thesis mainly studies the ultra - low speed tracking and servo system : system composition, servo motor design, steering control electronics, and control software design
本文主要研究了超低速跟蹤伺服系統的組成方案、伺服電機的選型設計、系統硬體控制電路設計和系統控制軟體設計。 -
Simulation studies illustrate the effectiveness and robustness of the schemes. secondly, according to the results gained in the first part, an adaptive sliding mode controller for a class of large - scale decentralized systems is designed. by theoretical analysis and the simulations, the closed - loop decentralized adaptive control system is proved to be globally stable with tracking error converging to a neighborhood of zero
第二部分針是對一類大系統的分散自適應控制問題，運用第一部分已取得的成果，提出了一個分散穩定自適應控制器，經過穩定性分析，證明了該控制器能夠保證被控系統閉環穩定，系統的跟蹤誤差將收斂到零的某一較小的領域內，模擬試驗也表明了本部分所提出的策略是正確有效的。 -
On the basis of the fundamental characteristics of ir imaging guidance, the current development status of guidance information processing methods, the main problems existed as well as the basic requirements on its practical engineering applications, this paper has made systematic in depth studies on various aspects as preprocessing of ir images, target image segmentation, target recognition and target tracking
本文根據紅外成像制導的基本特徵、制導信息處理方法研究的發展現狀、存在的主要問題以及工程實際應用的基本要求，在紅外圖像預處理、圖像分割、目標識別和跟蹤等方面，進行了系統地研究。 -
This paper studies on algorithms of multiple moving targets passive tracking and data association in the field of passive acoustic detective network forwarning system, the major contributions and innovations are as following : 1
本文針對無源聲音探測網路預警系統，研究了多運動目標無源跟蹤與數據關聯問題中的相關演算法，主要貢獻與創新在於： 1 -
Proposes a new algorithm for estimating the vector channel and the optimum beamforming weights. studies its tracking performance under realistic channel conditions
通過分析和天線方向圖模擬，證明新演算法在收斂速率和復雜度上有較大改善。 -
Given the condition of the fusion tracking under multiple sensors non - linear measurements, this paper applies the conclusion of the analysis of single sensor decoupled cmkf, tss filter and tss variance to the fusion tracking system. it also studies their application in basic measurement fusion and track fusion algorithm, and covariance recursive formula of track fusion is deduced. which offers a new way for steady - state performance evaluation of multi - radar fusion tracking
考慮多傳感器非線性觀測下的融合跟蹤，論文將單傳感器解耦cmkf 、 「暫穩態」濾波器以及「暫穩態」方差分析的結論推廣應用到融合跟蹤中，研究了其在基本的量測融合和航跡融合演算法中的應用，推導了航跡融合中互協方差的遞推公式和「暫穩態」公式，為多雷達融合跟蹤的穩態性能估計提供了一種新途徑。 -
The studies on the age structure, food items and spectrum, sleeping site selection, reproductive ecology, daily activity and yearly wandering pattern were conducted with tracking and observing methods in xiaoshennongjia district, hubei province within october, 2000 to june, 2002. the main conclusions from this research are as follows. 1
為此， 2000年10月2002年6月，我們對棲息于湖北小神農架地區的川金絲猴種群通過跟蹤觀察在年齡組成、食物資源與食性、夜宿地點及選擇、繁殖生態、活動規律和游蕩模式等方面進行了初步研究，結果如下： 1
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