f154edbd20
- Regenerate all 10 chirp .mem files with correct AERIS-10 parameters (gen_chirp_mem.py: phase = pi*chirp_rate*t^2, 4 segments x 1024) - Add gen_chirp_mem.py script for reproducible .mem generation - Add tb_usb_data_interface.v testbench (39/39 PASS) - Convert radar_system_tb.v from SystemVerilog to Verilog-2001: replace $sin() with LUT, inline integer decl, SVA with procedural checks - All testbenches pass: integration 10/10, MF 3/3, multi-seg 32/32, DDC 4/4, Doppler 14/14, USB 39/39, .mem validation 56/56 - Vivado timing closure confirmed: WNS=+0.021ns on xc7a100t-csg324-1