radar clutter 中文意思是什麼

radar clutter 解釋
地物回波
  • radar : n 〈美國〉【無線電】 〈radio detecting and ranging 之略〉 雷達，無線電探測器 （＝〈英國〉 radiolo...
  • clutter : n. 1. 〈方言〉喧囂。2. 混亂，（房屋等）擁擠雜亂的一團。vt. 〈英方，美〉弄亂，攪亂；亂七八糟地堆滿 （up, with）。vi. 〈方言〉喧鬧，吵吵鬧鬧地跑 （along）。
  1. Second, this paper analyzes the time - frequency distribution of the clutter from airborne pulse doppler radar ( pdr ). the side - lobe clutter, which is the main factor to influence the pdr, is analyzed and calculated. based on the simulation of typical geometry of the land, we analyze and discuss the side - lobe clutter and concluded that the dft of can be considered as the phase of the coho

    並且根據各種典型地貌的近似模擬，從統計特性上和頻率域上對脈沖多卜勒雷達的旁瓣雜波進行了分析討淪，還得出脈沖多卜勒雷達的dft可以近似地看作相參積累，並在程序的編制中利用了這一個結論。
  2. The modeling and simulation of sea clutter is very important in radar system simulation

    海雜波的建模與模擬是雷達目標模擬中環境模擬的重要部分。
  3. Sea clutter mainly occurs close to the radar site. it appears as a stationary feature in an animation sequence

    海雜波主要出現在接近雷達位置的地方，而在圖像動畫中一般是呈現靜止不動的。
  4. Super - resolution spatial spectrum estimation is applied in this dissertation to realize bearing resolution by utilizing the different bearings between targets and first - order sea echoes. the simulation of radar echoes in one resolution cell is presented based on the theoretically analyzing hf sea clutter sea clutter reflection characteristic and sea echo spectrum stretching mechanics

    本文從分析高頻海雜波反射特性以及平臺運動引起海浪展寬機理入手，建立便於理論研究的一階展寬的海雜波和二階海雜波模型;在分辨單元上對雷達回波信號進行了模擬。
  5. The emphasis in this composition is windshear signal processing technology. some processing methods are introduced in detail, they are suppressing clutter, extracting windshear parameters, computing hazard factor and etc. the signal processing simulation is accomplished on computer, it includes simulating microburst echo signal, simulating ground clutter echo signal, filtering clutter, estimating wind speed and calculating hazard factor. from the simulated results, a dangerous windshear is detected 5o ~ 78s, so the radar performance meets the certification requirements proposed by faa and nasa

    本文重點研討了風切變信號處理技術，對雜波抑制技術、風切變特徵參數提取技術及危險因子計算方法等內容進行了深入的研究，並進行了計算機模擬，包括微下擊暴流回波信號模擬、地雜波回波信號模擬、雜波抑制、風速提取和危險因子計算。
  6. In addition to the conventional techniques such as low sidelobe antennas and displaced phased center antenna ( dpca ), there has been great interest in space - time adaptive processing ( stap ) because it can suppress clutter effectively and improve the detection performance of airborne phased array radar evidently

    除了採用低副瓣天線、偏置天線相位中心（ dpca ）等傳統雜波抑制技術，能夠有效提高機載相控陣雷達地雜波抑制能力和動目標檢測性能的空時二維自適應處理（ stap ）受到了廣泛關注。
  7. The characteristics of the ground clutter are analyzed and presented. the development and the theories of clutter suppression of airborne radar are desicribed systematically

    首先分析總結了地物雜波頻譜的組成特性，系統地闡述了機載雷達雜波抑制的基本理論及其發展動態。
  8. A result is acquired that the time correlation characteristics of the fsk / psk radar clutter is invariability, but the space correlation characteristics is enhanced

    在第五章中，參考地面搜索雷達的工作方式，對fsk / psk信號的雷達回波進行模擬，並給出模擬結果。
  9. Research on application of radar clutter data warehousing

    雷達雜波數據倉庫應用研究
  10. In this dissertation, radar detection in hrr has been taken as background. the followings are main contents of this dissertation : ( 1 ) based on analyzing the targets and the clutter ’ s specific characteristics of hrr radar, the echo models of targets and clutter have been studied respectively ; the changes of targets ’ echoes in different elevation angles, azimuth angles and attitude angles have been analyzed ; then, the echo models of lfm radar clutter have been established

    本文針對高距離分辨雷達目標檢測開展研究，主要完成了以下幾方面的工作: （ 1 ）分析了高距離分辨雷達目標和雜波回波特徵，在此基礎上分別研究了高距離分辨雷達目標和雜波的回波模型，分析了不同俯仰角、不同方位角以及不同姿態下目標回波模型的變化，並建立了線性調頻脈沖壓縮雷達的雜波模型。
  11. Abstract : it is essential to research radar clutter with non - gaussian spectrum and non - r ayleigh distribution in modern radar design. based on spherically invariant rando m process ( sirp ), this paper applies a new algorithm to model the clutter with k d istribution in amplitude and any power density spectrum. at last it is proved tha t thi s method is correct and applicable with real simulative clutter and statistical detection result

    文摘:研究並模擬具有非瑞利幅度分佈和非高斯功率譜的雷達雜波是現代雷達信號處理中的一個重要的研究課題.文中基於球不變隨機過程（ sirp ）的建模方法，針對實地採集的幅度滿足k分佈並具有有理功率譜的高解析度雷達雜波，運用現代譜估計演算法對其進行建模和模擬，並以模擬雜波與實際雜波的數據對比和統計檢驗的結果對該方法進行了驗證
  12. This paper comprises two parts : radar clutter simulation and adaptive moving target indication. in the former part, we analyse the generation mechanism of single - channel radar correlated clutter and illuminate the simulated modeling way of rayleigh, log - norm, wei bull, k - distributed clutter with special power spetrum. all these models are used into the practical simulation of ground clutter, cloud - rain clutter and chaff jammer according to their features

    在雷達雜波模擬部分分析雜波的產生尤其是單通道相關雷達雜波產生的機理，具體闡明了在指定雜波功率譜情況下，幅度服從瑞利分佈、對數正態分佈、韋伯分佈和k -分佈的雜波的建模與模擬方法，並根據不同分佈的特點，將其應用到地雜波、氣象雜波和箔條干擾的模擬中。
  13. Discussion on the method of radar clutter processing based on wavelet transform

    基於子波變換的雷達雜波處理方法
  14. The generation of radar clutter with arbitrary spectrum property is discussed

    摘要研究具有任意功率譜特性的雷達雜波產生方法。
  15. 2. we summarized the main methods of airborne radar clutter suppression and analyzed their performance and characteristics by much simulating. 3

    2 .總結了機載雷達雜波的主要抑制方法，對它們的性能、特點進行了分析，並做了大量模擬。
  16. ( 2 ) spectral methods : considering the intricate radar clutter ambience, which fluctuates greatly, it ' s needed to adapt spectral estimation firstly, then suppress clutter spectrum

    （ 2 ）譜估計方法：由於雷達雜波環境非常惡劣，起伏變化很大，需要先估計雜波譜再抑制雜波。
  17. That is, modeling radar system with software, and then recurring the produce, transmission processing by computer. the core of res is modeling the scatter and transmission of radar echo signal and varied radar clutter signals

    雷達模擬的核心是建立雷達目標回波信號及各種雜波信號散射、傳播特性的模型。雜波伴隨這雷達產生而產生，對于雷達的設計有著重要的影響。
  18. We summarized two - stap methods of airborne radar clutter suppression, analyzes their performance and characteristics by much simulating. 4. a new technique of clutter suppression be developed which is base on 3dt ?

    3 .分析了兩種- stap雜波抑制的方法，對他們的性能，特點進行了分析，並做了大量的模擬。
  19. In this paper, under the wideband radar background, the simulation method of radar clutter, the principle and estimation method of one - dimension and two - dimension physical structure features of radar target, some classification method using physical structure features of target, etc. are studied

    本文以寬帶雷達體制為研究背景，在復雜背景下，主要研究了雷達背景雜波的模擬、雷達目標一維、二維結構成像的機理和方法，還研究了基於目標結構成像的識別方法等問題。
  20. Conventional airborne radar clutter suppression techniques utilize the diffrernce in doppler frequency domain between clutter and target returns to suppress clutter. doppler frequency domain one - dimension adaptive filtering, which usually used in main lobe clutter suppression

    傳統的機載雷達地雜波抑制方法採用多普勒頻域一維自適應濾波，即利用雜波和目標信號回波在多普勒頻域上的差別對雜波進行抑制。
分享友人
分享到 Line

分享到臉書