How to design a digital filter without addon Kit

Hello

I want to design a bandpass filter. Original signal is in analog form, ADC is used to convert the entries in the data digital n vice versa at the end of the output. How in labview 8.5 without addon Toolkit. Secondly how do I check the response of the filter according to these digital data, because by default, it gives the IMPULSE response, so how his will handle digital data...

Thank you!!

In the impulse response 1 sample is greater than zero, the rest is equal to zero. For the step response values are zero before the stage and not zero after the stage. To do this just make a table with the signal you want to use. But the table must be long enough to cover your analysis in the time domain. For example. I'm working now with digital phase sensitive detector. For this I use a sampling rate of 20 kHz, one of the last steps is an order of 3 Hz 20 filter low pass. To test the response of this filter, I needed at least 12 seconds of data. If the table that contains the data was 20000 * 12 samples

Tags: NI Software

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