radar data filtering 中文意思是什麼
radar data filtering
解釋
雷達數據鑒定-
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。 -
Chapter 3 concentrates on the important technology of pd radar ' s data processing. this chapter includes the resolution of range and velocity ambiguity and the theory of the start of tracking, the refreshment of tracking, the disappearing of tracking and the single target tracking. in the part of the refreshment of the tracking, the, the theory and realizing of the filtering algorithm and the point ? tracking relating are illustrated
第三章重點敘述了脈沖多普勒雷達數據處理的關鍵技術，包括數據錄取時距離和速度的解模糊； pd雷達工作在搜索狀態下目標航跡的起始，航跡的更新，航跡的消失，以及目標的編批和最優先級目標的判斷，其中航跡更新中主要講述了跟蹤濾波和點跡?航跡關聯的原理及實現； pd雷達工作在跟蹤狀態下的單目標跟蹤原理。 -
It is important to study the probability of detection when evaluating the filtering algorithm by simulation, in this paper, the simulation model of radar ' s measurement data is developed using the radar ' s functional simulation method, also we have presented the probability of detection under some typical ecm situation
利用模擬的方法來評價演算法的性能時，計算雷達的檢測概率是很重要的研究內容。本文利用雷達的功能模擬方法建立了電子戰條件下雷達的觀測模型，給出了幾種典型的電子對抗條件下的檢測概率計算方法。 -
Thirdly, this thesis studied the key technology in the fusion of ais information and radar information, and put forward the algorithms to realize tracks filtering, tracks correlation and fusion filtering, then had an evaluation by simulation. during the process of experiment, some experiment data useful for the actual application were obtained
第三，本文圍繞ais與雷達信息融合中的關鍵技術環節展開了研究，提出了航跡濾波、航跡相關和融合濾波的實現演算法，並用模擬實驗進行性能驗證，得出了有實際參考意義的實驗數據，最後對本課題需要進一步研究的技術前景進行了展望。 -
First, this paper will introduce the random factors affecting the trajectory, kallman filtering method, and the mathematic model that is used to process radar data processing and extrapolate the trajectory
首先介紹了影響彈道的隨機因素、卡爾曼濾波方法、偵察及校射模式下雷達數據處理及彈道外推的數學模型。
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