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Fast Parameter Estimation for Polyphase P Codes Modulated Radar Signals
Qi ZHANG Pei WANG Jun ZHU Bin TANG
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2017/10/01
Online ISSN: 1745-1337
Type of Manuscript: LETTER
Category: Digital Signal Processing
radar signals, polyphase P codes, parameter estimation, low computational complexity,
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A fast parameter estimation method with a coarse estimation and a fine estimation for polyphase P coded signals is proposed. For a received signal with N sampling points, the proposed method has an improved performance when the signal-to-noise ratio (SNR) is larger than 2dB and a lower computational complexity O(N logs N) compared with the latest time-frequency rate estimation method whose computational complexity is O(N2).