Added:
A streaming Single-path Delay-Feedback (SDF) Fast Fourier Transform block with tests and documentation. Block supports:
- Radix-2 and Radix-2² SDF cores
- DIT and DIF decimation modes
- Optional bit reversal of the output order
- Runtime FFT size and transform direction control
- Per-stage scaling with overflow status reporting
- SRAM-backed delay lines for area-efficient buffering
- AXI4 and TileLink memory-mapped wrappers
Constant False Alarm Rate (CFAR) target detection block with tests and documentation. Block supports:
- Cell-Averaging modes: CA-CFAR, GOCA, SOCA
- Generalized Ordered-Statistic modes: GOS-CA, GOS-GO, GOS-SO (built on a configurable
Linear Insertion Sorter) - Runtime FFT size and window configuration (linear and cyclic window providers)
- Optional log-domain thresholding
- Configurable edge policies and peak grouping
- AXI4 and TileLink memory-mapped wrappers
Website is now live.
Other:
- Small code cleanup for older blocks