本論文探討多雷達訊源於多路徑環境下錯誤偵測問題。先前研究已提出多路徑環境下，利用接收之訊號辨識直視路徑訊所對應之指向天線方法。但其考量環境僅一個雷達訊源。

本研究延續先前研究，提出能夠於多路徑環境下估測多雷達訊源之直視路徑到達角度參數方法。此方法結合入射訊號之來向角估測(Direction of arrival, DOA)，訊號辨識以及模稜函數結果，以改善估測雷達訊源個數和估測每個雷達訊源來向角之效果。

本論文以擷取之雷達訊號及抽頭延遲線通道模型進行軟體模擬及硬體實驗，以探討演算法之可行性及未來改進方向。

This work investigates false detection problems of multiple radar sources in multipath environments.

In a prior work, a method identifying which directional antenna is corresponding to the direction of a radar signal source based on received signals in a multipath environment is proposed. But the scenario only considers one radar source.

In this work, we extend the previous work and propose a method that can estimate direction of arrival (DOA) parameters of multiple radar sources with line of sight in a multipath environment. The method combines the results of DOA estimation, signal identification, and ambiguity function of incident radar signals to improves the number estimation of radar sources and the direction estimation of each radar source.

Computer simulations and experiments are performed to verify the feasibility of the proposed method, where a set of recorded radar signals is used as source and a tap-delay-line model is adopted to simulate a multipath channel. Future work is also discussed based on the verification results.

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