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Polyphase Filter Bank Architectures for a Space-based Radar Receiver

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Polyphase Filter Bank Architectures for a Space-based Radar Receiver

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    1. Polyphase Filter Bank Architectures for a Space-based Radar Receiver Kevin Camera (kcamera@eecs.berkeley.edu) Changchun Shi (ccshi@eecs.berkeley.edu) EE225C, Fall 2000 Prof. Borivoje Nikolic Prof. Bob Brodersen

    2. Outline Project motivation Existing and alternative solutions System overview Fully parallel FFT FIR filter bank Performance simulations Analysis and conclusions

    3. Introduction Why listen? Its understandable! Only project to be deployed in orbit No [known] existing implementation

    4. Project motivation Assists DARPA project led by Prof. Brodersen System architecture applies to many multi-carrier systems Relax core clock speed Reduce power consumption

    5. Existing solutions No existing system implementation Components very well known FIR filter: direct, transposed, etc. FFT: parallel, column, pipelined

    6. System overview: block diagram

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