雷達信標天線 的英文怎麼說

中文拼音 [léidáxìnbiāotiānxiàn]
雷達信標天線 英文
radar beacon antenna
  • 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; ...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 雷達 : [訊] radar （縮自 radio detection and ranging）
  1. The works of this paper are mainly about the study for ultra wide - band ( uwb ) signal radiating - designing for effective uwb antenna, and uwb signal scattering - investigating of composite scattering for targets upon ground. firstly, the radiating characters of uwb signal and development of uwb antenna are discussed an uwb planar horn antenna is designed this antenna is characterized with u - balun, simple construction and perfect performance

    本文的研究是「九五」國防預研「超寬帶（ uwb ）雷達體制及關鍵技術研究」項目工作的一部分，主要包括兩方面內容：超寬帶信號的輻射-高效超寬帶天線的研製；超寬帶信號的散射-地表目標的復合散射研究。
  2. In this paper, the signal processing of sum and difference patterns of amplitude dual - plane monopulse radar and the effect of amplitude - plane non - consistency are analyzed from the coordinates relationship of four - horn antenna at length, and its corresponding simulation is verified, which bring convenience to engineering implementation

    文中從四喇叭天線的位置坐標關系，詳細分析了雙平面振幅和差式單脈沖雷達信號處理過程以及三通道幅相不一致性的影響，並且進行了相應的模擬，為工程實現帶來了很大的便利。
  3. To improve this ability, a higher cross - range resolution is needed. an inverse synthetic aperture radar ( isar ) achieves high resolution in the cross - range dimension by taking advantage of the motion between radar and targets to synthesize the effect of a larger antenna aperture

    逆合成孔徑雷達（ inversesyntheticapertureradar ，簡稱isar ）信號處理對接收到的運動目標的回波信號進行相干處理，等價成一個大口徑天線，很大程度上提高了方位向距離分辨力。
  4. 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。
  5. 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。
  6. It uses modulated waveforms and directive antennas to transmit electromagnetic energy and extract target information from echoes

    雷達使用調制的波形和定向天線發射電磁能量，並從回波中提取目標信息。
  7. 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。
  8. On the other hand, in order to distinguish and identify the targets, and to solve the problems of radar imaging, phased array radar must have also wide instantaneous signal bandwidth

    另外，為了提高天線的分辨、識別能力和對多目標成像的能力，相控陣雷達還必須具有大的瞬時信號帶寬。
  9. 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。
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