Decimation filter

1. What is a decimation filter?
2. What is the purpose of decimation?
3. Which filter is used in decimation and interpolation?
4. What is RF decimation?

What is a decimation filter?

Decimation filters help you remove the excess bandwidth and reduce the sampling frequency of the signal. Decimation filters also help you reduce the computational resources required for processing and storing the signal.

What is the purpose of decimation?

Decimation reduces the original sample rate of a sequence to a lower rate. It is the opposite of interpolation. decimate lowpass filters the input to guard against aliasing and downsamples the result.

Which filter is used in decimation and interpolation?

11.2 Polyphase Filter Structure and Implementation. Due to the nature of the decimation and interpolation processes, polyphase filter structures can be developed to efficiently implement the decimation and interpolation filters (using fewer number of multiplications and additions).

What is RF decimation?

• Decimation decreases the sample rate of a signal by. removing samples from the data stream. • Decimation includes digital low pass (anti-aliasing) filter. followed by a decimator.