雷達信標系統 的英文怎麼說
中文拼音 [léidáxìnbiāoxìtǒng]
雷達信標系統
英文
rbs radar beacon system- 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...
- 標 : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 雷達 : [訊] radar (縮自 radio detection and ranging)
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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High frequency radar is also a high frequency ground wave super resolution radar used on the seaside, and meantime it is one of projects of national 211 for building subject. this paper based on high frequency radar and modern signal processing describes the component of the high frequency radar on function and hardware. the signal that the radar system used mostly decides the capability and the complex of the radar
雷達系統所用的信號體制、信號形式決定了在很大程度上決定了雷達的性能指標,雷達系統的復雜度,本文主要研究基於軟體高頻雷達的多體制信號的數字化產生與接收,目的在於產生一種或者多種能夠軟體高頻雷達所適用的信號,並且這種信號不會給小型化的系統處理帶來過高復雜性。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。Angular calibration of radar antenna system is composed of the calibration of angular error sensitivities ( also called directional sensitivity ), adjustment of cross - coupling of azimuth and elevation signals, and the calibrations of system errors such as antenna axial system error, dynamic delay and so on
雷達系統天線的角度標校包括對系統角誤差靈敏度(又稱定向靈敏度)的標定、方位俯仰信號交叉耦合的調整以及對天線軸系誤差、動態滯后等系統誤差的標定。Mathematic model of collision avoidance judging based on the information of distance, relative velocity and azimuth angle is made in this paper, it can effectively avoid inveracious alert, and it analyzes the processing method of many kinds information in the system
本文根據雷達探測系統得到的目標距離、相對速度和方位角等信息,建立了監控系統防碰撞數學模型,與其他模型相比該模型能夠最大限度地避免錯誤警報的發出,並且分析了各種信息在系統中的處理過程。Ata. maritime navigation and radiocommunication equipment and systems - radar plotting aids - automatic tracking aids - methods of testing and required test results
船舶導航和無線電通信設備和系統.雷達標圖裝置.自動跟蹤標圖裝置Arpa. maritime navigation and radiocommunication equipment and systems - radarp lotting aids - automatic radar plotting aids - methods of testing and required test results
船舶導航和無線電通信設備和系統.雷達標圖裝置.自動雷達標圖裝置The motion compensation of radar target and an analysis of influence of component imperfection in the realization of the method are presented. to evaluate the performance of the proposed method. monte carlo simulation has been conducted to estimate the root mean square error of the angle estimates and the spatial resolution snr threshold in the cases of both non - fluctuating targets and fluctuating targets
在此基礎上,提出了針對相位權重角度超分辨法的雷達目標的運動補償方法,分析了雷達系統各部件的不理想性對超分辨性能的影響,用montecarlo方法對無抖動目標和有抖動目標在不同信噪比下的方位估計誤差和方位超分辨的信噪比門限進行了模擬計算,並將結果同波束空間music方法及cramerrao限進行了比較。Through utilizing the shift multiplication characteristics of m series, this kind of radar system eliminates the bad effect of doppler frequency. in theory, the doppler tolerance of the radar system can reach the half of the code rate with proposed echo pretreatment method in this paper
從理論上說,應用於該雷達系統的信號處理方法可以使得雷達系統的多普勒容限達到偽碼子碼重復頻率的一半,從而使偽碼調相雷達可以有效地發現高速目標。Maritime navigation and radiocommunication equipment and systems - radar plotting aids - part 2 : automatic tracking aids ; methods of testing and required test results iec 60872 - 2 : 1999 ; german version en 60872 - 2 : 1999
航海導航和無線電通信設備及系統.雷達標繪儀.第2部分Epa. maritime navigation and radiocommunication equipment and systems - radar plotting aids - part 3 : electronic plotting aid ; performance requirements ; methods of testing and required test results
海上導航和無線電通信設備及系統.雷達標繪儀.第3部分:電子標繪儀Considering practical needs and developing trend of vts, based on analyzing the signal characters of vts radar video, studying basic data compression principles in information theory, comparing international coding standards in the forefront of image processing, a vts radar video coding system suitable for transmission in the narrow channel is proposed in this thesis. its main block ? oder and decoder, is realized in the common pc with software. the working process is demonstrated detailed
結合vts系統的現實要求和發展方向,本文從vts雷達原始視頻圖像數據的特點出發,從信息論中關于數據壓縮的基本原理出發,從現代信號處理特別是圖像信息處理領域中的壓縮編碼國際標準出發,提出了雷達原始視頻編解碼系統方案,其主體部分? ?編解碼器是在pc機內利用壓縮軟體實現,闡述了系統工作流程;提出了基於jpeg壓縮演算法和hThe induction of ais technology still ca n ' t integrated with the devices of old system satisfactorily, the data of ais is only shown on the electronic chart background in ecdis, but does n ' t fulfill the fusion with the data of radar. more, some system functions related with display and interface still need be perfected, such as quickly moving, auto select chart, static information associate with target display, etc. the integrated information processing and display system researched in this thesis has been successfully applied in some vts projects and related projects, such as cheng - dao oil field survey system, yan - tai mount vts rebuild project etc. to the disadvantage exposed to us in national and foreign vts system, and those putted up in application projects, the thesis did a farther study and consummation, and acquired some research fruits, as follows : 1. fulfilled the eagle eye function in electronic chart display system
針對目前國內外vts系統中暴露出的薄弱點,以及應用實踐中表現出的不足本文對綜合信息處理與顯示系統做了進一步的研究和完善,取得了以下的研究成果: 1 、電子海圖顯示系統中鷹眼圖的功能設置與實現; 2 、設計一種簡易的選圖演算法,通過該演算法實現可在海圖放大、縮小時的自動選圖; 3 、電子海圖上自動錄取區的實現(二次自動錄取) ; 4 、實現對雷達和ais目標數據及其誤差的軟體模擬; 5 、船舶自動識別系統中動態信息與雷達動態信息的數據融合處理; 6 、利用數據融合技術解決雷達目標跟蹤方面的問題; 7 、海圖空間信息中顯示區域裁減演算法的設計,該模塊的實現大幅度提高了海圖的顯示速度。The radar detecting system discovers invading missile in its valid detecting range, measures and gets the invading missile ' s position information, sends instruction and fires counterattacking bomb in proper time
雷達探測系統在探測范圍內及時發現來犯目標,測定目標的位置信息,適時發出點火指令發射反擊彈。Theoretical analyze and computer simulation prove that the side lobe canceller system using polarization radar can depress jammer while not damaging the signal, the overall performance is better than that of the system using polarization radar only in the auxiliary antenna
理論分析和模擬實驗表明使用全極化雷達的旁瓣對消系統,可以在抑制干擾的同時盡量不損失目標信號,系統整體性能優于主天線為單極化時系統的性能。So this technical may improve the detecting performance. the relation between radar target _ detecting based on the radar ppi and radar t _ r system, singnal processor system is very little which is good to modify the old radar
另外,基於ppi的雷達目標檢測與雷達收發系統、信號處理系統的直接關系不大,這對于老式非相參雷達的數字化改造十分有利。The polarimetric information in the target scattering signal has great potential on target detection, enhancement, filtering and recognition. some novel techniques can be proffered for detecting concealed targets, weakening the influences of adverse em environments, confronting active jamming and recognizing targets. basic theory of radar polarization is studied firstly
雷達目標散射信號中的極化信息在目標檢測、增強、濾波及識別中有著巨大的應用潛力,為雷達系統在反隱身、削弱惡劣電磁環境的影響、對抗有源干擾和識別目標等方面提供了新的技術途徑。Depending on it, we can get description of type and estimation of threaten level for targets by dealing with the signals and information received by radar, then, provide evidence and advice for missile defense system to make the right decision
雷達目標識別是gbr的一個主要功能,它利用雷達獲得的目標信息,通過綜合處理,得到目標類別的描述和威脅等級的判斷,使防禦系統能對目標作出準確的攻防對抗。This paper depicts a signal processing system for lfmcw radar. this system is mainly used to eliminate noise interference in the sampled signal, check out the objective signal, and send the processing results to a computer via networks
本論文著重敘述了一種基於lfmcw雷達信號處理系統,該系統主要用於從采樣后得到的信息中消除噪聲干擾,檢測出目標信號,並能將最終的處理結果數據通過網路介面傳給計算機,經計算機處理后顯示出來。The appearance of ais ( automatic identification system ) is a great reformation in vts. the fusion of ais information and radar information makes the target information more perfect and more reliable, and also helps to set up an intelligentized and wide - area vts system and shipping safety information system
船舶自動識別系統( ais )的出現將引起vts技術的重大改革, ais信息與雷達信息的融合,使目標信息更完善、更可靠,將有助於建立智能化的寬水域的交通管理系統和船舶安全航行信息系統。In theoretically, analog optical fiber link can carry out the signal transmission transparently. however, because of the limit of the component level, during the transmission and distribution of the radar signal, noises and interferences from the optic - link may distort the signal and affect the system performance and the array signal processing
模擬光纖鏈路理論上可以實現信號的透明傳輸,可由於受到器件水平的限制,在整個光傳輸和分配過程中,雷達信號必將受到來自光路噪聲或干擾的污染,從而產生某些畸變和失真,這些非理想因素必然對陣列系統的性能指標和陣列系統的信號處理產生影響。分享友人