Find the impulse response from the frequency response

1. How do you calculate impulse response from frequency response?
2. Is impulse response the same as frequency response?
3. How do you measure impulse response?

How do you calculate impulse response from frequency response?

Frequency Response and Impulse Response

x(n) = e ^{jω n}. H(ω) = ∑_{(m = − ∞ to ∞ )} h(m)e^−imω .

Is impulse response the same as frequency response?

The impulse response is the response of a system to a single pulse of infinitely small duration and unit energy (a Dirac pulse). The frequency response shows how much each frequency is attenuated or amplified by the system. The frequency response of a system is the impulse response transformed to the frequency domain.

How do you measure impulse response?

The impulse responses are usually measured using either Exponential Sine Sweep (ESS) or Maximum Length Sequence (MLS) signals. The theory behind MLS generation and use is well developed and does not involve computational problems.