How can i make a Moving Average Filter of order 4 for removing the noise from signal?
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Please give me the answer as soon as possible and the code should be fully explained i submitt my assignment? :( this is my assignment....
1. Generate a sinusoidal signal of frequency 300 with fs=10 KHz and an amplitude of 10. 2. Now generate a noisy signal with frequency 4 KHz with amplitude 1. 3. Add the above two signal resulting in a noisy waveform. 4. Now the task is to remove the additional noise generated as an after effect of the process. 5. Rather than using a non-causal we choose to use 4th order causal moving average filter. 6. Compare the two filters using fvtool. 7. For correct analysis of non-causal system use the freqz command.
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Antworten (2)
Thomas Koelen
am 31 Mär. 2015
We are not here to do your homework, we are here to help you if you are stuck.Please show us what you've done so far, and give us the signal so we actually know what we are dealing with.
Adam Wyatt
am 31 Mär. 2015
It doesn't look like you have fs=10kHz in (2) since you are aliasing that signal. Anyway, filtering can be achieved using the filter command - it even has an example of a moving filter average in the * DOCUMENTATION *.
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Adam Wyatt
am 31 Mär. 2015
Then clearly you don't understand what you are supposed to do, so speak to your teacher and not ask others to do your homework.
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