頁籤選單縮合
題 名 | 系統架構暨天線波束成形演算法應用於衛星干擾之研究與模擬=A Hybrid Algorithm Based on Matrix-Pencil and DFT Schemes for the Direction-Finding and Signal Decompositions |
---|---|
作 者 | 周錫增; 盧公瑜; 廖偉任; 林光敏; | 書刊名 | 新新科技年刊 |
卷 期 | 12 2016.01[民105.01] |
頁 次 | 頁86-92 |
分類號 | 448.813 |
關鍵詞 | 孔徑陣列天線; 矩陣束; 離散式傅立葉轉換; 差和比; Aperture antenna arrays; Matrix pencil; MP; Discrete Fourier transform; DFT; Difference-over-sum ratio; |
語 文 | 中文(Chinese) |
中文摘要 | 本論文發展訊號干擾與偵測之波束成形演算法,應用於衛星被動訊號接收,此演算法採用訊號來源之頻率差與陣列天線之天線單元的空間差的特性來區隔訊號源之距離、及入射方位差。據此特性,我們發展了混合式演算法,分別針對兩種適用於處理頻率差之特性的矩陣束(Matrix Pencil Method)和離散傅立葉轉換(DFT)法則,經由一個合適的訊號處理程序,此混合法可以有效的處理多訊號接收的解析問題。尤其DFT之波束成形法則可以產生垂直正交的多波束,有助於處理多重訊號的問題,相當好用。本文亦以範例來說明演算法的有效性。 |
英文摘要 | Abstract In this presentation, we developed a hybrid algorithm combining the signal processing technique and beam forming algorithm to decompose the multiple signals simultaneously received by the phased array antennas. The developments utilize the discrepancy occurred in the signals with multiple frequencies and the discrepancies occurred in the signal receptions at each array elements. In particular, the Matrix Pencil method(MP) is employed to treat the characteristics of signals in the frequency discrepancy to extract the distance information while the DFT based algorithm is employed to decompose the signals in different directions. Here the DFT performs as the multi-beam forming and may be able to track multiple signals in various directions. The processing procedure is designed with examples presented to validate. |
本系統中英文摘要資訊取自各篇刊載內容。