雷達導引 的英文怎麼說
中文拼音 [léidádǎoyǐn]
雷達導引
英文
radar homing- 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...
- 導 : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
- 引 : Ⅰ動詞1 (牽引; 拉) draw; stretch 2 (引導) lead; guide 3 (離開) leave 4 (伸著) stretch 5 (...
- 雷達 : [訊] radar (縮自 radio detection and ranging)
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But the signals mixture problem can be brought on by the drop of adaptive performance caused by using subarray and by overmany radiation sources. so bbs is used to solve the problem. this dissertation focuses on subarray architectures and the algorithms of ica, and proposes a new and more practical subarray architecture and a more suitable algorithm to separate radar signal
同時針對採用子陣法導致自適應性能下降以及現代雷達信號環境多個輻射源等問題引起信號混疊現象,論文採用盲分離來對雷達信號進行分離處理,並針對雷達信號的特點提出一種適用的演算法。161b guidance radar is a universal guidance equipment used in radiophare tracking. it belongs to 1435 radar which is a precise measuring radar in our station
161乙引導雷達是無線電信標式靶場通用引導設備,它配屬於我站1435精密測量雷達。Three - dimensional high - density space / time soundings serve as the main body of data consisting of 3 - hr interval doppler probings, 10 - 30 min rainfall intensity, surface raindrop sizes sampling and gps - guided flight cloud physics detections with output taken at 2 - sec and 200 - m intervals. and specific systems associated therewith are developed for multiple - way communication and data collection and storage, a platform for analysis, retrieval softwares for dominant items and multi - scale cloud models - all constitute a system of techniques for meso to microscale observations and analysis. 2 ) atmospheric water resource and macroscopic rainfall properties in dry periods of spring and autumn of the target region
以加密觀測的多普勒雷達、 3小時探空、 10 30分鐘雨強、地面雨滴譜等間隔取樣及在gps引導下的飛機雲物理探測等獲取的三維高時空密度的綜合探測為主體;配合專項設計開發的多路通訊採集存貯系統、多類信息的分析處理平臺、主要觀測項目的分析反演軟體,結合多尺度雲系模式,綜合構成層狀雲系中微尺度探測和分析處理技術方法。Advantages, disadvantages and limits of arm are thoroughly examined using signal processing methods. based on the above, incoherent and coherent two - point - source decoy methods and modified coherent two - point - source decoy methods to deflect arm are brought forward. arm ’ s homing heads are generally of mono - pulse structure, so coherent two - point - source ’ s interference resembles that to mono - pulse radar except that interference to radar belongs to far field scope, but interference to arm varies from far field to near field because relative distance drastically changes between the homing head and the two - point - source with missile ’ s homing head continually approaching the target
Arm的導引頭一般為單脈沖體制,因此,相干兩點源對導引頭的干擾類同於對單脈沖雷達的干擾,不同的是:對雷達的干擾都是遠場,而導引頭隨著導彈不斷接近目標,兩點源與導引頭的相對位置發生劇烈變化,由遠場變化到近場;導引頭天線口面上的合成場也發生了大的變化,相位波前的畸變產生干擾,這就是相干兩點源誘偏的基本思想。With the development of aerospace science, especially the appearance of high speed attack weapons such as guided missile, radar is required to not only discover and track the target in further distance but also command plane and missile to head off the target
隨著空間技術的發展,特別是導彈等高速進攻性武器的出現,要求雷達能在更遠的距離上發現和跟蹤目標,並能及時指揮和引導飛機和導彈攔擊目標。The traditional air defense system which detect and attack targets only depend on ordinarily radar was in an exceedingly passive position and difficult to ward off blows when the cruise missile was used in war
它的出現使得傳統的僅僅依靠普通雷達探測目標和引導武器射擊目標的防空系統處于極端被動和難以招架的局面。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。Receiving channel of doppler radar seeker
多普勒雷達導引頭接收通道Research on radar imaging processing in air - to - air missile seeker
空空導彈雷達導引頭成像研究So it is urgent to investigate the simulation method of signal level in order to properly evaluate the weapon system by the way of computer simulation
因此研究對雷達導引頭進行信號級的模擬是模擬評估武器系統效能的關鍵。Combined with the key project of the preliminary research of national defence science and technology, the target recognition system for millimeter wave initiative homing guidance, a systematic study on the signal processing method based on the background of millimeter mave ( mmw ) missle - borne pulsed doppler radar is performed. it include specifically the detction and the recognition of the moving target and hovering helicopter under strong clutter background
本文結合國防科技重點預研項目「毫米波主動尋的制導目標識別」 ,針對脈沖多普勒體制雷達導引頭的應用背景,對基於彈載高重頻脈沖多普勒體制雷達的信號處理方法進行了較深入的研究。主要研究內容包括對雜波背景中的機動目標以及對懸停直升機的檢測和識別方法。In this paper. the question of compound guidance about mid - long range air - to - air missle to be considered. the main contributions are as follows : first, two midcourse guidance laws are given. that is optimally predictable pn micourse guidance, which is suitable for middle range missle, and singularly perturbed midcourse guidance. which is suitable for long range missle guidance ; then two terminal guidance laws are given. that is variable structure guidance, which is suitable for passive radar guidance. and optimal guidance which is suitable for active radar guidance ; and then the error sourses of hand - off are researched, the hand - off law is given at the time ; fmally, the midcourse guidance laws and terminal guidance laws are tested by simulation, and the whole trajectory simulation are given through hand - off law, and the results are satisfied
主要工作如下:首先研究了用於中遠程空空導彈復合制導的兩種中制導律,即用於中程導彈的最優預測比例導引中制導律和用於遠程導彈的奇異攝動中制導律,它們均有很好的中制導性能,能夠滿足中末制導的交班要求;接著研究了兩種末制導律,即用於被動雷達末制導的變結構制導律和用於主動雷達導引頭的最優末制導律,均適用於復合制導末制導段;然後分析了中末制導的交班誤差源,討論了用於復合制導的交接律;最後通過模擬,驗證了提出的中制導律和末制導律,結合提出的交接規律,在不同的情況下對中末制導段彈道進行了模擬驗證,結果證明文中提到的中末制導律能夠達到性能指標要求。The fourth section studies the modeling of broad band blocking jamming and coherent jamming, and analyses the principal of coherent jamming and the factors of influencing the jamming effect is provided. the performance of pulse doppler radar seeker is simulated when certain jamming methods is exerted. a pulse doppler radar seeker simulation system is established, by using the simulation system the performance of pulse doppler radar seeker is evaluated when jammed
第四部分研究了寬帶阻塞式干擾和相干干擾的建模問題,並分析了相干干擾作用原理,給出了影響干擾效果的主要因素及次要因素,模擬了脈沖多普勒雷達導引頭在寬帶噪聲干擾情況下的截獲和跟蹤性能,模擬了相干干擾對脈沖多普勒雷達導引頭跟蹤性能的干擾效果。In the paper, a coherent video signal simulation is applied to model and simulate a pulse doppler radar seeker
本文採用相干視頻信號模擬方法對脈沖多普勒雷達導引頭進行了建模和模擬研究。Two data fusion algorithms for active and passive radar seeker
被動雷達導引頭信息融合方法研究Research on software radio fuze of missile based on software radio
軟體無線電技術在先進雷達導引頭中的應用Semi - active radar homing sarh
半主動雷達導引This paper introduced a practical pulse - width keeping circuit. this circuit has been used in a wide - band arm header
介紹了一種實用脈寬保持電路的實現,該電路已被用於寬帶被動雷達導引頭中。This paper introduced a practical radar type identifying system. this system has been used in a wide - band arm header
介紹了一種實用的雷達類型識別系統,該系統已被應用於寬頻帶被動雷達導引頭中。The other key link in russia ' s aam chain is the agat moscow research institute. agat supplies radar seekers for a host of russian missile systems
俄國空空導彈鏈條上另外一個關鍵環節就是阿加特設計局莫斯科研究院。阿加特設計局為許多俄制導彈系統提供雷達導引頭。分享友人