應用長短期記憶網路進行雷達目標自動識別

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姓名

余兆為(Zhao-Wei Yu) 查詢紙本館藏

畢業系所

資訊工程學系

論文名稱

應用長短期記憶網路進行雷達目標自動識別
(Applying Long Short-Term Memory to Automatic Recognition of Radar Targets)

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至系統瀏覽論文 (2025-7-24以後開放)

摘要(中)

雷達信號處理領域其中一個重要的研究方向為自動目標識別，隨著雷達設備及訊號接收器的發展，自動目標識別的應用越來越廣泛，例如：軍事作戰、航線管理，領海領空警戒管理。
傳統辨識方法需要透過演算法找出特徵，再以特徵為基礎進行目標識別；而深度神經網路主要透過大量資料訓練，自動獲得目標特徵，再由選好之分類器進行目標識別。近年的研究，神經網路應用於雷達目標自動識別效果優於傳統識別方法。雷達距離輪廓圖是一種簡潔快速的雷達描述特徵方法，它是由沿著目標視線將目標切割成相對應的散射中心距離所組成。因此本論文研究使用深度長短期記憶網路和真實高解析度雷達距離輪廓圖，進行船艦的自動目標識別。由實驗結果得知，長短期記憶網路測試準確率皆可高達97%以上，實驗證明本論文所提方法可有效自動識別雷達目標。

摘要(英)

One of the important research directions of radar signal processing is automatic target recognition. With the development of radar equipment and signal receivers, the application of automatic target recognition is becoming more and more widely used, such as: military operations, route management, and territorial airspace warning management.
Traditional identification methods need to find features through algorithms, and then target recognition based on the features; and deep neural networks mainly through large amounts of data training to automatically obtain target features, and then selected classifier for target recognition. In recent years, the neural network applied to the automatic recognition of radar targets is better than traditional recognition methods. Radar High Resolution Range Profile(HRRP) is a simple and rapid method for describing characteristics of radar. It consists of cutting the target into corresponding scattering center distance along the line of sight of the target. Therefore, this paper use Long Short-Term Memory(LSTM) networks and real Radar High Resolution Range Profile s for automatic target recognition of ships. According to the experimental results, using LSTM network can be as high as 97% or higher.The experiment proves that the method proposed in this paper can effectively identify radar targets automatically.

關鍵字(中)

★ 長短期記憶網路
★ 深度學習
★ 高解析度距離輪廓圖
★ 自動目標識別

關鍵字(英)

★ Long Short-Term Memory Network
★ Deep Learning
★ High Resolution Range Profile
★ Automatic Target Recognition

論文目次

目錄
摘要 i
Abstract ii
目錄 iii
圖目錄 v
表目錄 vi
第一章緒論 1
1-1 研究背景與動機 1
1-2 研究目的 2
1-3 論文架構 2
第二章相關文獻探討 3
2-1 高解析度距離輪廓圖 3
2-2 長短期記憶網路模型 6
2-2-1 時間遞歸神經網路(Recurrent Neural Network,RNN) 6
2-2-2 長短期記憶(Long Short-Term Memory,LSTM) 8
2-2-3 激活函數 10
2-2-4 損失函數 12
2-2-5 優化器 12
第三章研究方法 14
3-1 系統架構 14
3-2 資料集 15
3-3 資料標籤 16
3-4 神經網路架構 20
第四章實驗結果與討論 21
4-1 實驗設備 21
4-2 實驗說明 22
4-3 實驗一 23
4-3-1 架構一 23
4-3-2 架構二 24
4-3-3 架構三 24
4-3-4 架構四 25
4-3-5 架構五 26
4-4 實驗二 29
4-4-1 架構一 29
4-4-2 架構二 30
4-4-3 架構三 31
4-5 實驗三 32
4-5-1 架構一 32
4-5-2 架構二 33
4-5-3 架構三 34
4-6 實驗四 35
4-6-1 每一船艦種類隨機分配(7:3) 36
4-6-2 所有船艦種類訓練樣本數相同 37
4-7 實驗五 39
4-8 實驗六 40
4-9 實驗結果 41
第五章結論與未來工作 45
參考文獻 47

參考文獻

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指導教授

范國清林志隆

審核日期

2020-7-24

推文