Definition: In mathematics, a biquadrate is a special kind of filter that can be used for filtering signals in both time and frequency domains. It consists of two high-pass filters connected in parallel. The biquad approach to signal processing is particularly useful when dealing with continuous-time systems, as it allows the use of more efficient low-pass filters than traditional FIR (Finite Impulse Response) or IIR (Ifft-Inverse) filters. This can lead to improved performance and reduced computational complexity for
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