Fig. 1. Block diagram of the digital receiver
Fig. 2. Buffering for 32-point sequences in the 32-stage polyphase filter bank
Fig. 3. Spectral characteristics of sub-channels with different bandwidths
Fig. 4. Block diagram of the FIR filter
Fig. 5. Block diagram of the polyphase filter bank
Fig. 6. I/Q signals of sub-band #1~#16 with 3 inputs
Fig. 7. Specturm of Sub-band #1~16 with 3 inputs
Fig. 8. Block diagram of the DDC
Fig. 9. Frequency plan of the DDC
Fig. 10. Flow chat of operation modes
Fig. 11. Set-up of the digital receiver with an RF board
Fig. 12. Instantaneous bandwidth of the wide-band
Fig. 13. Measured pulse amplitude of the wide-band
Fig. 14. Measured frequency of the wide-band
Fig. 15. Measured pulse width of the wide-band
Fig. 16. Instantaneous bandwidth of the narrow-band
Fig. 17. Measured pulse amplitude of the narrow-band
Fig. 18. Measured frequency of the narrow-band
Fig. 19. Measured pulse width of the narrow-band
Table 1. Summary of measurements
References
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