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題 名 | Linear Predictor Array with the Discrete Hartley Transform for Bearing Estimation=以線性預測陣列結合哈氏轉換做方位估測 |
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作 者 | 趙國建; 程深; 黃若平; 劉德清; | 書刊名 | 黃埔學報 |
卷 期 | 38 1999.12[民88.12] |
頁 次 | 頁299-316 |
分類號 | 448.5 |
關鍵詞 | 方位估測; 哈氏轉換; 線性預測器; 線性陣列; Bearing estimation; Hartley transform; Linear predictor; Linear array; |
語 文 | 英文(English) |
中文摘要 | 本文旨在研究以線性預測法結合哈氏轉換應用於線性陣列架構上,對目標物進行方位估測之效能分析。我們將僅考慮寬頻陣列架構,其中每一個偵測器所接收到的信號經由哈氏轉換及線性預測器處理後,即可用以估測窄頻信號源之方位。為證實本方法之有效性,我們針對低信號雜訊比之環境下的估測品質及所須計算量進行電腦模擬。經由模擬結果得知,本文所提之方法其估測品質稍優於QR特徵值分解法,但可大幅減少估算所須時間。 |
英文摘要 | In this paper, the linear prediction method is applied to the linear array with the discrete Hartley transform (DHT) for bearing estimation. We will consider the broadband array structure with each sensor being realized by a tapped-delay line and implemented in the Hartley transformed domain for estimating the narrow-band signals incident from different angles. To document the advantage of the presented method, a computer simulation is investigated. From the simulation results, we conclude that the DHT method for bearing estimation is performed similarly to the QR method, but the computation requirement is reduced dramatically. |
本系統中英文摘要資訊取自各篇刊載內容。