signal processing of digital radar 中文意思是什麼

signal processing of digital radar 解釋
數字雷達信號處理
  • signal : n 1 信號，暗號；信號器。2 動機，導火線 （for）。3 預兆，徵象。adj 1 暗號的，作信號用的。2 顯著的...
  • of : OF ＝Old French 古法語。
  • digital : adj. 1. 手指的；指狀的。2. 數字的，數據的。n. 1. （鋼琴等的）琴鍵。2. 手指。
  • radar : n 〈美國〉【無線電】 〈radio detecting and ranging 之略〉 雷達，無線電探測器 （＝〈英國〉 radiolo...
  1. In recent years, with the rapid development of the millimeter - wave radar technology and the demand of the safety, anticollision radar system is being studied and used widely. the if ( intermediate frequency ) circuit and the digital signal processing are two important parts of it

    隨著毫米波雷達技術的日益成熟和人們對安全性的迫切需要，近年來，防撞雷達系統得到了深入研究和廣泛應用，如自動巡航控制、碰撞報警和防碰撞系統以及有待發展的雷達成像和汽車的自動駕駛系統等。
  2. Secondly, we discuss the application of if sampling and digital demodulation technique in pd weather radar signal processing system

    其次，本文研究了中頻采樣及數字解調技術在氣象雷達中的應用。
  3. General performance requirements and methods of measurement for digital signal processing unit of airborne fire control radar

    機載火控雷達數字信號處理單元通用技術要求和測試方法
  4. This thesis discusses the pulse doppler ( pd ) weather radar signal processing system including digital intermediate frequency ( if ) receiver, especially on the application of if sampling and digital demodulation technique in pd weather radar signal processing system, the influence of amplitude and phase unbalances of in - phase and quadrature channels on weather radar echo spectrum estimation, ground clutters elimination algorithms and a typical engineering realization scheme of pd weather radar signal processing system

    本論文研究的是採用數字中頻接收技術的脈沖多普勒氣象雷達信號處理系統，重點研究了中頻采樣及數字解調技術在脈沖多普勒氣象雷達信號處理系統中的應用、正交雙通道幅相不平衡對氣象回波譜估計的影響、地雜波濾波演算法，以及脈沖多普勒氣象雷達信號處理系統的具體工程實現。
  5. In this paper, the doppler signed of cartridge velocity, that is produced by the doppler radar, is taken as the research object. the characteristics of the doppler signal of several kinds of cartridges are analyzed. the spectrum analysis method is used to measure the velocity of several kinds of cartridges, based on digital data processing technology and computer graphic technology

    本文以多普勒雷達測量彈丸速度得到的多普勒信號為研究對象，分析多種彈丸速度多普勒信號頻率特徵，運用數字信號處理方法和計算機圖形處理技術相結合的頻譜分析方法測量多種彈丸的速度。
  6. The theoretic analysis and computer simulation results reveal that this influence ca n ' t be ignored. because the if sampling and digital demodulation technique can improve amplitude and phase unbalances of in - phase and quadrature channels, we apply it in the pd weather radar signal processing system and select several digital demodulation algorithms, which are easier to implement, for this system

    由於採用中頻采樣和數字解調技術能有效地提高正交解調兩路的幅相一致性，本文將中頻采樣及數字解調技術應用到脈沖多普勒氣象雷達信號處理系統中，並結合氣象信號的特點選擇了適合工程實現的中頻采樣及數字解調演算法。
  7. Thirdly, we study several ground clutters elimination algorithms combining the properties of ground clutters and we get the conclusion that the frequency domain algorithm has better performance through extensive analysis and comparison. finally we proposed a typical pd weather radar digital signal processing system realization project including the software and hardware implementation

    本文還結合氣象雷達地雜波的特點詳細研究了各種濾除地雜波濾波演算法，在對各種濾波演算法進行分析和折中考慮之後，選擇地雜波頻域濾波演算法應用於本信號處理系統。
  8. It has a wide range of application in digital communication system, radar and electronic warfare system, mechanical electronic system, etc. the object of this paper is to design the structure of mda - 2 ' s system software and design the ieee - 488 interface circuit. the paper discuss the system software structure at first, i solve some problem in this part, such as crude adjust and fine adjust, the printing of wave and data etc, the main innovation of my design is design a soft control panel and solve the system panel, i still analyse the method of digital signal processing in software, mainly discuss the median filter ' s performance

    在軟體部分本人解決了第一代調制域分析儀系統軟體中所存在的游標粗調和細調以及波形數據列印等問題，其中最為重要的是採用軟控制面板的軟體設計思想解決了系統上急於解決的控制面板問題，這是本人在課題設計上的一個創新之處；在軟體設計部分本人還對所採用的濾波演算法進行了性能分析，其中重點論述了軟體中所採用的中值濾波器的性能，並從中得出了一些重要的、有價值的結論。
  9. For the high - speed digital signal processing, the structure of fpga and dsp is widespreadly adopted. dsp is more featured in the implementation of complicated algorithm, while field programming gate array ( fpga ) shows more advantage in its flexibility of design, simplicity of system configuration, modification and maintenance. in the paper, the hardware system of the spaceborne radar is based on the structure of fpga and dsp, of which the signal processing part is accomplished with one fpga chip and multi dsps

    Dsp適合完成結構復雜的演算法;現場可編程邏輯陣列（ fpga ）適合完成高效、演算法固定的任務;與專用集成電路（ asic ）相比， fpga優點主要在於其很強的靈活性、可在線配置、修改和維護方便等優點。本文工程中的星載雷達信號處理和控制系統就是採用dsp + fpga的方式。其中信號處理採用的是xilinx公司的virtex -和virtex系列fpga和多片analogdevices公司的tigersharcts101的硬體電路結構。
  10. The fast development of digital signal processing technology provides us with the possibility of numeralization of radar pulse compression processing

    同時，數字信號處理技術的迅猛發展和廣泛應用，為雷達脈沖壓縮處理的數字化實現提供了可能。
  11. With phased array radar observing target ' s improvement of different performances of the aircraft, the deterioration of the working environment of radar and improvement of the radar demand request more and higher for putting forward the equipment of phased array radar video signal processing. the digital signal processing is all the time the developing direction of radar signal processing, its main shortcoming is that the increase processing precision, and the amount of information at the same time bring on the amount processing redouble, method to solve this problem is the real - time high speed digital signal processing system. presently multi - processors parallel processing is the focus of the field of high - speed real - time processing. this paper ' s background is the high - speed real - time signal processing of phased array radar. a parallel computing system designed with 4 adsp - 21060 analog device inc ' s dsp is presented. lt has fully utilized the dsp ' s characteristic to be supported the parallel computing, and formed a mes h architecture. this paper design and discusses this system in terms of design for test ( dft ) and real time operation system ( rtos ), and have put forward the new solution for the design and development of the high - speed real - time signal processing system. then, analysed the subject matter faced at the same time

    本文以高速實時相控陣雷達視頻信號處理為背景，提出了一種由4片ad公司adsp - 21060構成的并行計算系統。它充分利用了adsp - 21060支持多處理器并行計算的特點構成了一種網格結構，並且從可測性設計、實時操作系統角度對該系統進行了設計與討論，為高速實時信號處理系統的設計與開發提出了新的解決方案，同時分析了面臨的主要問題。本文首先分析了相控陣雷達信號處理單元的特點，然後針對適合於片間并行的adsp - 21060討論了并行計算結構，提出了一種採用四片adsp - 21060構成網格結構的信號處理平臺，分析了它的工作原理。
  12. The major challenges of real - time implementation with digital signal processing techniques lie in the algorithm complexity and high data rate of radar

    由於演算法本身的復雜度和雷達數據的高速率，方位向處理的實時實現具有很大的挑戰性。
  13. In the latter, firstly the fact that digital pulse compressing technology is one of the most important ways of signal processing in modern radar is introduced. the module of 4096 - point complex fft / ifft play a very important role in ha rdware implementation of digital pulse compressing system. secondly the basic theory of radix - 4 fft and the hardware implementation based on fpga of the 4096 - point complex fft / ifft is illustrated in detail

    在第二部分中，首先說明了數字脈壓技術是現代雷達中重要的信號處理技術之一，而4096點fft變換模塊就是硬體實現脈壓技術的核心部分，然後說明了基4fft的基本知識以及基於fpga的詳細的硬體實現方案。
  14. With performance of high - speed analog to digital converter constant to rise, application of high - analog to digital converter circuit we deepened in digital signal processing, software radio and radar

    摘要隨著高速模數轉換器件性能的不斷提高，高速模數轉換電路在雷達數字信號處理、軟體無線電等領域的應用也更為深入。
  15. With performance of high - speed analog to digital converter constant to rise ; application of high - speed analog to digital converter circuit deepens in digital signal processing, software radio and radar

    隨著高速模數轉換器件性能的不斷提高，高速模數轉換電路在雷達數字信號處理、軟體無線電等領域的應用也更為深入。
  16. Based on wide dynamic range and high sensitivity technology, wideband digital electronic warfare ( ew ) receiver is able to have wide monitoring band, high sensitivity, high intercept probability, wide dynamic range, and the ability of the multi - signal processing at one time. it can scout many kinds of signals, such as radar and communication signals

    建立在大動態高靈敏度接收技術之上的寬帶數字ew偵察接收機，要求能夠實現寬的輸入帶寬、高的靈敏度和解析度、大的動態范圍、採用數字化處理和具有多信號處理能力，完成對雷達、通信等各類信號的偵察工作。
  17. Synthetic aperture radar ( sar ) imaging technique is related with electronic engineering, computer science and digital signal processing. the appearing and development of sar enlarge the traditional radars ? application

    合成孔徑雷達（ sar ： syntheticapertureradar ）成像技術是雷達技術、現代電子技術和數字信號處理技術的有機結合，它使傳統雷達的功能發生了質的飛躍。
  18. In this paper, the if circuit, the processor based on the pulse count technology and the adaptive signal processing of the system are discussed thoroughly. major contents are abstracted as follows : 1 the evolved. history of the anticollision radar system is given curtly. the development of the signal processing of the radar and the application of the digital signal processing technology to the radar system is summarized

    本文重點討論了毫米波防撞雷達系統的中頻電路及其改進、基於脈沖計數新方法的處理機和自適應信號處理等的研究工作，主要研究內容摘要如下： 1簡要介紹了防撞雷達系統的發展歷史，總結了雷達信號處理的發展和數字信號處理技術在雷達系統中的應用及其實現方法。
  19. Daq implements in the field of radar signal processing, digital image processing, virtual instrument, software radio. the data acquisition and processing system based on pci bus and dsp discussed in the article features with plug - and - play and high - speed real - time processing ability

    本文討論的「基於pci總線和dsp的數據採集與處理系統」同時具有pci總線的即插即用性和dsp的高速實時處理能力。
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