radar echo 中文意思是什麼

radar echo 解釋
雷達反射信號
  • radar : n 〈美國〉【無線電】 〈radio detecting and ranging 之略〉 雷達，無線電探測器 （＝〈英國〉 radiolo...
  • echo : n （pl echoes）1 回聲，反響；共鳴，反映。2 重復，摹仿；摹仿者；應聲蟲。3 【音韻學】與上句末音押韻...
  1. Radar echo delay in gravitational fields

    對稱引力場中的電磁波
  2. Furthermore, the question of feature extraction of three millimeter pulsed radar echo using wavelet neural network is investigated

    此外，論文還研究了用小波補經網路提取三毫米脈沖體制雷達回波信號特徵的問題。
  3. All of the above will be explained in details in chapter 4 section 1. 2 ) simulation of sea echo determines the quality of radar echo image to a great extent

    2 ）雷達回波中海雜波生成模擬的模擬程度，在很大程度上也決定了雷達回波圖橡的質量。
  4. Wavelet packet transform is used to improve the snr of the incoherent integral radar echo, and bispectrum algorithm is used for signal detection in this united detecting algorithm, based on the modeling for the through - wall radar echo

    在對穿墻雷達回波信號建模的基礎上，用聯合演算法將非相干累積后的回波信號經過小波包變換提高信噪比，再用雙譜演算法進行信號檢測。
  5. A new wavelet - bispectrum united detection algorithm is proposed to face with problems such as the complex structure and low signal to noise ratio of radar echo, when there exist difficulties in detecting impulses in through - wall radar systems

    摘要針對沖擊體制穿墻雷達系統中回波信號結構復雜、信噪比低、信號檢測困難等問題，提出一種小波雙譜聯合檢測新演算法。
  6. The result can be long distance reception of radio waves that would normally have been far beyond the radio horizon. the equations for ray tracing were given, simulating and tracing electro - magnetic wave duct propagation using spherical layered atmosphere mode, this method is very useful for analysis of radar echo distribution and confirm relation of stratification of atmosphere and ray duct propagation in the process of studying radar second product, introduce a new 3 - d interpolation method. outcome of this method can suit all kinds of density product

    在雷達二次產品處理演算法中，討論了一種新的三維插值，比以往在顯示每一個雷達二次產品時，都作一次插值相比，這種方法既節省了總的機時，也提高了每個產品的顯示速度，在討論這種方法后，用幾個產品的實例，說明了這種方法是可行的，並且還討論了等值線的生成原理，在「雷達二次產品處理平臺」下，開發了visualc + +實現程序。
  7. The development of the radar echo simulator in the world is introduced, as well as the worldwide usage of the radar echo simulator

    雷達回波模擬器的國內外發展動態，雷達回波模擬器在國內外被廣泛應用。本人的主要工作。
  8. In the first chapter of the thesis, the background of the radar echo simulator is introduced, including the application, basic theory and technology of the radar echo simulator

    本文首先介紹了雷達回波模擬器課題的背景，包括雷達回波模擬器的作用，基本理論和技術特點。
  9. In the third chapter, the hardware design of the radar echo simulator is introduced, including the unitary chart of hardware structure and design of each part in this system, which is composed of designs of computer interface, controlling sdram and controlling ide harddisks and some introduction about d / a and fpgas used in this system

    再次，介紹了本雷達回波模擬器的硬體設計，包括總體硬體結構框圖、系統各部分的硬體設計。系統各部分的硬體設計包括計算機介面設計、大容量高速緩存sdram的控制設計、 ide介面硬盤的控制設計、關于d / a的介紹和本系統使用的fpga的介紹。
  10. The initial field of the model is the in situ observational data. combining the observational data by the doppler weather radar, the distribution and evolution of macro - physical as well as micro - physical variations such as wind field structure, radar echo structure, overhang echo, bound weak echo region, strong echo wall, water content, etc. in the storm were analyzed

    利用中國科學院大氣物理研究所建立的完全彈性三維雹雲數值模式，模擬了1996年6月29日發生在北京東北部京冀交界地區的一次強單體雹暴過程，並結合多普勒雷達探測資料，分析了風暴的流場結構，雷達回波結構特徵，含水量場等宏微觀物理量的分佈及其演變。
  11. Feature extraction and classification of ground penetrating radar echo signals

    探地雷達回波信號的特徵提取和分類
  12. Automatic recognition system of radar echo for hail cloud

    冰雹雲雷達回波自動識別系統
  13. The mcc is composite of meso -, meso - and meso - scale convective systems which have different structure and motion features. although circularly approximately on the satellite imagery, the mcc shows linear distributions of radar echo, torrential rain, thunderstorm, cumulonimbus and mesoscale physical parameters as a squall line

    它是中、和尺度對流系統組成的復合體，它在雲圖上近似圓形，其雷達回波、暴雨、雷暴、對流雲、中尺度物理量場等卻呈類似颮線的帶狀分佈。
  14. Such kind of radar echo is called second trip echo

    這些雷達回波被稱為二次傳輸回波。
  15. Analysis of radar echo and numerical simulation for a severe convective weather in shiyan on june

    十堰強對流天氣雷達回波和數值模擬分析
  16. This paper introduces several methods retrieving wind direction from hf radar echo doppler spectrum and analyses the feature of those methods

    本論文介紹了現有的從高頻雷達回波多普勒譜中提取風向的幾種方法，分析了這幾種方法的不足之處。
  17. First of all, the mathematical development and extensive computer simulation are used to analyze the influence of amplitude and phase unbalances of in - phase and quadrature channels on weather radar echo spectrum estimation

    首先對回波正交雙通道幅相不平衡對氣象回波譜估計的影響進行了詳細的理論推導和計算機模擬。
  18. 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。
  19. In addition, a thought of how to use the mesoscale convergence center, tbb of convective cloud and the radar echo for rainfall rate to predict the mesoscale rain cluster is presented

    提出利用逐時的中尺度輻合中心、衛星紅外雲圖雲頂亮溫及雷達回波降水率做中尺度雨團量級預測思路。
  20. The high range resolution radar echo of plane target is denoted as one dimension range profile

    飛機目標的高距離解析度雷達回波呈現為一維距離像。
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