Reduced-Precision Redundancy on FPGAs

Table 4

Mathematical (𝑇_ℎ) versus experimental (𝑇^∗_ℎ) threshold values for RPR FIR filter designs with several different reduced-precision bit widths (𝐵_𝑟). The mean (𝜇_𝑒) and standard deviation (𝜎_𝑒) values for the signal 𝜖_𝑒 are also shown.

𝐵𝑟	𝑇ℎ	𝑇^∗ℎ	% Change	𝜇𝑒	𝜎𝑒
7	0.1597	0.1049	−34.3%	0.05380	0.008500
6	0.3106	0.1844	−40.6%	0.08365	0.01563
5	0.6046	0.3182	−47.4%	0.1431	0.02891
4	1.2212	0.5849	−52.1%	0.2453	0.0562
3	2.3871	0.9222	−61.4%	0.3659	0.09465