辨向天線 的英文怎麼說
中文拼音 [bānxiàngtiānxiàn]
辨向天線
英文
sense aerial-
In this thesis first the research the sr - df algorithm under the arbitrariness antenna array, which is based on the algorithm of music, second the algorithm has been put into realization on the hardware, so that in the later to embattle the antenna can reference to this thesis
本課題對比較適合的任意形狀天線陣進行了研究，在趨于成熟的music演算法的基礎上，研究任意形狀超分辨測向天線陣通用演算法，然後對該演算法進行硬體的實現。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。Based on the doppler effect and pulse coherence technique, synthetic aperture radar ( sar ) breaks through the azimuth resolution limitation imposed by real aperture antenna. in combination with the pulse compression technique, two - dimensional high resolution imagery to distant targets can be realized
合成孔徑雷達（ sar ）利用以多普勒頻移理論和脈沖相參為基礎的合成孔徑技術，突破了實孔徑天線對方位向分辨力的限制，與脈沖壓縮技術相結合，實現了遠距離目標的二維高分辨成像。Synthetic aperture radar ( sar ) is a new type of radar system developed since 1950 ' s. it breaks through the resolution limitation imposed by real aperture. with pulse compression technology, two - dimensional high resolution to distant targets can be realized
合成孔徑雷達（ sar ）是五十年代發展起來的一種新型雷達體制，它利用合成孔徑原理，突破了實孔徑天線對解析度的限制，並結合脈沖壓縮技術，可以對遠距離目標進行方位向和距離向兩維高分辨成像。This paper studies a data experiment and identification problem of an actual system, in which the steering gear and the satellite - satellite pointing / tracking system act as the study object, based on system identification technique. the main factors that influence identification results and problems that should be paid attention to are analyzed. base on the analysis, auto - regressive moving average with exogenous input model ( armax ) for steering gear and a three - layer predictive control neural network model are established
從理論的角度研究了對於一個實際系統的數據實驗設計和模型辨識問題，分析了影響系統辨識結果的主要因素以及在辨識過程中應注意的問題，並以此為依據，建立了舵機的滑動平均模型和星星天線指向控制系統的三層預測控制神經網路模型。Sthe azimuth resolution characteristics for different deployments of the antennae ’ irradiation mode is discussed clearly through analyzing the doppler history of the echoed signal based on the platforms " motion features and antennae " irradiation rules
根據收、發載機平臺的運動特點和天線波束在觀測場景平面內的照射規律，本文採用多普勒頻率分析的方法詳細討論了發射、接收天線採用不同照射配置方式時系統的方位向分辨特性。The technology of digital beamforming ( dbf ) can dramatically increase array antenna performances. these performances include fast adaptive pattern nulling, ultra - low sidelobes, closely spaced multiple beams, adaptive space - time processing, high resolution direction fiding ( df ) and increased capacity for band - limited communications systems
數字波束形成（ dbf ）技術可顯著提高陣列天線的性能，這些性能包括：快速自適應波束置零、超低副瓣、密集多波束、自適應空時處理、高分辨測向和大容量有限帶寬通信等等。分享友人