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Real Data Processing and Channelized Receiving of the Coast-ship Bi/Multi-station Radar

Author: ZhangHongMei
Tutor: ChenBoXiao
School: Xi'an University of Electronic Science and Technology
Course: Navigation, Guidance and Control
Keywords: Dual / Multi Radar Measured data processing Digital demodulation techniques Channelized receiver Polyphase filter
CLC: TN958
Type: Master's thesis
Year: 2007
Downloads: 93
Quote: 2
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Abstract


Shore - ship dual / multi- ground wave OTH radar antenna via multiple different carrier frequency signal, and transmitting pattern formed at the receiving station , this paper studies the radar signal processing and channelized receiver issue. This article first briefly introduce the radar signal - Chirp interrupted continuous wave signal and to obtain information from the information and Doppler method , a detailed analysis of the radar signal processing system processes and the external field test data analysis, the results showed that this processing method can be the target distance, speed and orientation information ; then focuses on the radar digital demodulation techniques, despite the use of a low-pass digital filter bank type can be done to achieve separation of signals , but the order of the filter is too high, hard real-time processing . This proposed using polyphase filter channelized receiver technology, the design of the radar polyphase filter bank channelized receiver . Through analysis and comparison , polyphase filter bank channelized receiver technology can reduce the number of prototype filter order N times . Implementation of the project has great significance , and finally through the measured data was carried out feasibility validation.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Radar > Radar: institutional sub-
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