df antenna 中文意思是什麼
df antenna
解釋
df天線-
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。 -
Anti - jamming capability of interferometer direction finder with multi channel receiver is analyzed and studied. measures for control co - channel jamming are given : reduce intererence strength by antenna character, change gate level of receiver, alter df bandwidth, make use of the pause function of display and a type of filter
提出了抗同波干擾的若干措施：利用天線的方向圖抑制干擾信號、改變接收信號的門限電平、改變測向帶寬、利用屏幕顯示的暫存功能、倒譜同態濾波方法等。 -
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。 -
First on the basis of general knowledge of df technology and the limitation of df by the form of antenna array, the subject of interferometer direction finding is bring forward
論文首先簡要概述了測向技術的研究現狀，簡單分析了利用天線陣方向圖測向存在的局限性，提出了干涉儀測向問題。
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