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bandpass filter from summed lightly-damped transfer functions

Started by jekain314 3 months ago2 replieslatest reply 3 months ago113 views
I would like to make a bandpass filter for an SDR project by passing the signal through two (or more) transfer functions in parallel. Each transfer function uses...

filtering using FFT/iFFT

Started by kaz 3 months ago24 replieslatest reply 3 months ago343 views
Hi All,It is common knowledge that FFT followed by iFFT is an alternative for time domain convolution. However, I read many articles explaining this method on the...

Double sideband

Started by openshort 3 months ago4 replieslatest reply 3 months ago179 views
i am trying to understand a problem that i believe i have with my DAC setup. I am taking a tone from a RF signal generator and capturing it using a 9002 transceiver...

A basic DSP question

Started by tomb18 4 months ago7 replieslatest reply 3 months ago266 views
I am writing software to collect data from several different Software defined radios.  Typically they provide a packet of data that contains Real and Imaginary...

Coefficient of Complex Exponential Fourier Series ( Cn)

Started by Basim 3 months ago4 replieslatest reply 3 months ago160 views
The formula for Coefficient Cn in Complex Exponential Fourier Series for a signal x(t) can be found through a well known formula, that is : Cn=1/T ∫f(t)exp(-jw0t) dtHowever,...

XDS510PP MPSD Emulator

Started by MarkDPSU 4 months ago5 replieslatest reply 4 months ago139 views
Looking for about five XDS510PP MPSD Emulators that are C32 DSP, Windows XP, and parallel port compatible. The one we have that works has a Rev B CCA inside. ...

5GNR PRACH and PUSCH

Started by LabPe43 4 months ago1 replylatest reply 4 months ago132 views
Can PRACH (either type 1 or 2) and PUSCH share time resources (e.g. slot and symbol) if they differ in frequency resources? I read that PRACH for a single UE must...
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Help identify filter type

Started by Vinzz 5 months ago6 replieslatest reply 5 months ago163 views
I have a software filter that multiplies the input signal with a sine and cosine wave (I,Q). After multiply the complex output is square rooted to get the amplitude.What...

Pre-add for transposed FIR

Started by kaz 5 months ago16 replieslatest reply 5 months ago191 views
Hi All,FIR Pre-add (folded) structure is useful to save multipliers. I can see no problem with pre-add direct FIR structure as all that is needed is fold the data...

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