No profile info found for gaurav_lohiya

Re: Blackman Window FIR Filter Coefficients

Reply posted 2 months ago (07/18/2020)
Thanks.I am doing 4096 pt FFT. Hence the resolution is 625000/4096. The cut off frequency is 25 KHz and the passband and stopband ripples were 0.1dB.

Re: Blackman Window FIR Filter Coefficients

Reply posted 2 months ago (07/18/2020)
Thanks.I was trying to write the C++ program to read the signal from sound card, down converting it to IQ. Hence, looking for equivalent of fir2.

Re: Blackman Window FIR Filter Coefficients

Reply posted 2 months ago (07/18/2020)
Thanks.Basically, I was experimenting LPF design using custom design. So, that if I have to add a notch, I can combine it in a single filter rather than convolving...

Re: Blackman Window FIR Filter Coefficients

Reply posted 2 months ago (07/18/2020)
Thanks for response.Yes, I have considered both +ve and -ve part of amplitude spectrum. I have got the real series after inverse FFT

Blackman Window FIR Filter Coefficients

New thread started 2 months ago
I am trying to design the Blackman Window based FIR Low Pass Filter (as described in http://www.dspguide.com/CH17.PDF) for the IQ signal having sampling rate of...

IF Flatness and RF Leveling

New thread started 3 months ago
I am very new for receiver design. What is IF Flatness and RF levelling? Are these achieved in signal processing or at RF level.Thanks to one and all.RegardsGaurav...

Re: Setting 25KHz playback sampling rate in sound card

Reply posted 6 months ago (03/26/2020)
Bharat Electronics Limited, India

Re: Setting 25KHz playback sampling rate in sound card

Reply posted 6 months ago (03/26/2020)
Thanks a lot

Re: Setting 25KHz playback sampling rate in sound card

Reply posted 6 months ago (03/26/2020)
Thanks Jeff

Re: Setting 25KHz playback sampling rate in sound card

Reply posted 6 months ago (03/26/2020)
Thanks Achilles
I am sampling the IF signal at 625 KHz and after AM demodulation I am getting the audio at sampling rate of 625 KHz. The audio is downsampled to 25 KHz and routed...

Use this form to contact gaurav_lohiya

Before you can contact a member of the *Related Sites:

  • You must be logged in (register here)
  • You must confirm you email address