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Table 3 Performance comparison of two digital filtering methods in multi-rate design

From: Performance analysis of multi-rate signal processing digital filters on FPGA

 

Hamming window FIR

More efficient filter

Delay of input and output (μs)

17.547

4.550

 Hardware resource occupancy

Total logic elements

30,136

12,021

Total registers

29,498

10,816

Total memory bits

1918

894

Amplitude error

0.211

0.131