雷達信號接收 的英文怎麼說

中文拼音 [léidáxìnháojiēshōu]
雷達信號接收 英文
radar reception
  • 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...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 收 : Ⅰ動詞1 （把攤開的或分散的事物聚集、合攏） put away; take in 2 （收取） collect 3 （收割） harvest...
  • 雷達 : [訊] radar （縮自 radio detection and ranging）
  • 接收 : 1 （收受） receive; reception; accept; [電學] receipt; receiving 2 （接管） take over; expropriat...
  1. 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。
  2. Based on mono - pulse radar system and the analysis of terrain echoes, a geometrical model of air to ground ranging is constituted. by using the signals received from the sum and difference channels of terrain follow radar, a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained. according to the characteristics of the echoes, the theory and method of pass zero detection of difference channel and its applications are discussed in detail

    針對一維單脈沖雷達體制，分析了地形目標回波特性；建立了地形跟隨雷達空地測距的幾何關系；利用雷達收發信號，導出了地形跟隨雷達和差接收通道的回波信號表達式，進行了波形模擬，得到了地形跟隨雷達的地面散射產生回波在時域中的特性；根據和差回波特性，闡述了差信號過零點檢測測距的原理和方法及工程實踐中的應用，並給出了真實雷達對外輻射試驗的結果，驗證了文中的模擬。
  3. The current radar scout system has some problems for processing multiform signals, confronting the complex electromagnetic environment and various radar characteristic signals. the adaptive front - end in receiver can solve these problems, and this dissertation analyzes it

    面對日趨復雜的電磁環境以及變化繁多的雷達特徵信號，現有的雷達偵察接收系統對多種信息的處理顯得力不從心，本文從接收機前端考慮，對其中的一種解決方法? ?自適應的接收機前端進行分析、研究。
  4. Nowadays, the application of electronic support measure ( esm ) receivers, radar warning receivers ( rwr ) and especially arm forms a serious menace to radar ' s existence and the low probability of interception ( lpi ) radar just appears under this circumstance. lpi radar attempts to use various techniques to make radar signal not be intercepted by intercept receivers

    現代電子支援偵察（ esm ）接收機和雷達告警接收機（ rwr ）尤其是反輻射導彈（ arm ）的應用對雷達的生存構成了嚴重的威脅，低截獲概率雷達正是在這種環境下提出的一種新體制雷達，它試圖採用各種可能的技術來避免雷達信號被截獲接收機所截獲。
  5. 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。
  6. Then, we introduce the basic structure of pd weather radar signal processing system and their function of each subsystem, mainly including intermediate frequency receiver, clutter elimination, range correcting and smoothness, ambiguity resolution and spectrum estimation

    並在此基礎上介紹了氣象雷達信號處理系統的基本構成與各部分的主要功能，主要包括氣象回波中頻接收、雜波抑制、距離訂正、平滑處理、解模糊和譜矩估計等。
  7. 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。
  8. In order to improve signal noise ratio ( snr ), wavelet denoising is used, and the radar in - pulse characteristics is extracted by wavelet - ridge, radar emitter signal sorting is realized by neural networks

    該方法首先對接收到的雷達信號進行小波去噪，達到提高信噪比的目的，然後利用小波脊線法準確提取其脈內特徵參數，最後基於神經網路實現信號的分選。
  9. Once stored, the signals can be transcribed back into an exact replication of the original signal whenever desired. ultra high speed data acquisition is the main technique in drfm. the most common use of the drfm is for replication of complex, coherent signals usually representing radar return signals

    數字射頻存儲器是現代電子對抗系統中有源雷達干擾機的主要組成部分，用於將接收到的雷達信號的精確的復制信號返回該雷達系統，以此來混淆該系統。
  10. With the development of radar technology, radar system has been more diversiform and complicated, which make ecm face much more complex electromagnetic environment. how to sort and analyze signal exactly is an important research of ecm. in this paper, we mainly research the signal sorting 、 system simulating and dsp realizing : 1. the paper introduces the environment of ecm and analyses the character of time domain 、 frequency domain 、 air space 、 power density and polarization detailedly

    本文主要就是研究復雜電磁環境下的彈上電子對抗系統信號分選關鍵演算法、系統軟體模擬以及dsp的實現，主要包括以下幾個方面: 1 .對電子對抗環境進行了介紹，並對雷達偵察機的信號環境的時域特徵、頻域特徵、空域特徵、功率密度（能量）特徵以及極化特徵進行了詳細的分析，得出了對雷達偵察接收機信號分選系統設計的主要依據。
  11. It is urgent to research and develop new reconnaissance receiver with the properties of wide band, high sensibility, wide dynamic range and accuracy signal parameter estimation

    為了偵察超寬帶雷達信號，迫切需要研製帶寬大、靈敏度高、動態范圍大、參數估計精度高的雷達偵察接收機。
  12. The drfm permits generation of appropriate radar returns to chirped, frequency coded, phase coded, pulse coded, or other similar type coherent radars with pulse to pulse or cw modulations

    在另一些情況下，需要將不同於接收到的雷達信號的特徵的信號返回雷達系統，用來進一步使雷達系統混淆工作。
  13. The purpose of this article is to introduce the realization of medium frequency receive for bpsk pulse compress radar. and it includes the realization of constant false alarm rate ( cfar ) process. the main content of this article includes : ( 1 ) the introduction of radar medium frequency receiver ; ( 2 ) the introduction of medium frequency receiver theory ; ( 3 ) the simulation for medium frequency receive of bpsk pulse compress radar ; ( 4 ) the hardware realization for medium frequency receive of bpsk pulse compress radar

    本文的主要工作包括： （ 1 ）介紹雷達數字接收機的概念； （ 2 ）介紹中頻數字接收理論； （ 3 ）介紹二相編碼脈壓雷達中頻接收的方案設計和模擬驗證； （ 4 ）通過硬體描述語言ahdl ，完成中頻數字接收和脈壓處理演算法在fpga上的實現； （ 5 ）完成雷達中頻數字接收機信號處理板原理設計，並同課題組成員一起完成硬體調試，並給出相應的測試結果。
  14. With the development of electronic warfare, the radar signal environments are getting more complexity, and the simulation on radar environments is necessary to be developed

    隨著現代電子戰技術的發展，雷達信號環境變得日益復雜，對測頻接收機的要求也在不斷提高。
  15. Also, with the usage of advanced electronic warfare technology on frequency measurement receiver, a good many trial data about frequency measurement results are needed in the design and evaluating field. it is a good method to get these data by simulation

    雷達信號環境及測頻接收機的實物模擬成本高、實現難度大，而計算機模擬具有經濟實用的特點，成為測頻接收機模擬評估的重要手段。
  16. Conversion of signals from if analog into digital samples carrying phase and amplitude information has been traditionally implemented in the form of two parallel if to baseband converters operated in quadrature each followed by a / d converters which thus provide digitized in - phase ( i ) and quadrature ( q ) components

    對于傳統雷達信號接收機，幅相一致性較差。為克服這一問題，人們考慮在中頻，甚至射頻就對信號數字化，再在數字域內進行解調。同樣需要高速的數據採集系統才能滿足要求。
  17. The transponder detects incoming radar signals and broadcasts an amplified, encoded radio signal in the direction of the detected radar wave

    這個裝置將檢測接收到的雷達信號，並向收到信號的方向發射大波幅編碼雷達信號。
  18. The video simulator is of significant flexibility and commonality. so long as the simulation software is changed, simulation of different radar signals can be implemented. the video simulator can dominate radio frequency ( rf ) equipment to export rf pulse to implement the function of radar signal environment integrated simulation system

    模擬器控制射頻設備輸出的射頻脈沖，既可作為注入信號直接輸入雷達偵察接收機，也可以放大到足夠的功率后通過天線輻射，作為微波暗室的輻射源，實現雷達信號環境一體化模擬系統的功能。
  19. Due to the higher demand of speed and precision of dsp, the intermediate frequency ( if ) digitalization receiver which is compared with analog system takes on the advantage of small volume, light weight, low cost, simple configuration, and easy integration. so that digitalization at if is current trend of communication and radar development, the traditional analog receiver is now being replaced by digital receiver gradually

    由於對信號處理的速度、精度要求不斷提高，而中頻數字接收及信號處理系統與模擬系統相比，具有易於dsp演算法編程實現、體積小，重量輕，造價低、結構簡單，易模塊化、系統配置更新快、維護升級方便等優點，所以，雷達信號接收機及處理機的中頻數字化系統近年來備受重視，已經逐漸取代傳統的模擬接收機。
  20. In traditional radar receiver, the consistency of phase - and - amplitude is imperfect, which limit the performance achievable from signal processors

    對于傳統雷達信號接收機，幅相一致性較差。
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