Digital Filter

1.Digiter Filter Design
This is a maximum flat and zero phase digital filter.
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Filter Order: 1 < this <20
Fl(Low cut frequency): 0 < Fl < Fh
Fh(High cut frequency): Fl < Fh < 0.5
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2.Signal Filtering
This function filter signal by the digital filter designed above.
Example.
a.Square wave signal

b.Square wave signal after filtering of a low pass filter

3.Envelop Filtering
This function extract envelop of the signal by a band pass digital filter. The center frequency of band pass filter is equal to frequency of carrier wave.
Example.
a.Beat wave signal

b.Envelop signal after filtering

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4.DC Filtering
This function is used to remove the DC part in  CH1 or CH2.
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5.Resample
This function is used to resample signal of CH1 and CH2.
1 < Resample rate < Sample Length / 1024
Example: Resampled envelop signal(Rate=4)



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