Understanding the Comb Filter Frequency Response

Started by Luk_11 2 months ago8 replieslatest reply 1 month ago120 views
I have some troubles understanding the comb filter. Hope someone can help. I am going to use the following figure to illustrate my questions: You can see the block...

Plotting panning law graph

Started by andresburgs 1 month ago10 replieslatest reply 1 month ago53 views
Hello, I am studying this code which uses the tangent law to locate a phantom image between two loudspeakers at 60º. Tangent law:tan(theta)/tan(alpha) = (g1-g2)/(g1+g2) %...

Difference between bit-metrics and LLR

Started by cogwsn 1 month ago2 replieslatest reply 1 month ago26 views
Hi,My question may be very basic but I always get confused over this. What is the difference between bit-metrics and LLR. For example, in the attached paper, the...

Regarding my recent post on Multistage Decimators

Started by neirober 1 month ago3 replieslatest reply 1 month ago31 views
I posted an article on Multistage decimators yesterday.  I decided it needed some tweaking, so today I updated it to show the stopband requirements in a couple...

50Hz and harmonics filtering

Started by dimaios 1 month ago27 replieslatest reply 1 month ago114 views
I'm facing a problem trying to filter 50Hz and harmonics from a signal s(t).I've implemented several techniques like Kalman filtering, optimized FIR and IIR filters...

Modelling Squarewave Jitter with variable sample rate

Started by sudarshan_onkar 1 month ago4 replieslatest reply 1 month ago68 views
Hi ,            I am trying to model jitter effects for a square wave demodulation. The rms jitter is of the order of femto seconds in my area of interest...

visual DSP++ generated .ldr file bootup issue

Started by ankurnoida 1 month ago2 replieslatest reply 1 month ago44 views
Hi,I am facing .ldr file bootup issue. I have ADSP21478 processor board and I am successfully able to flash .ldr file into the board. Issue is like that when i...

Understanding the concept of Polyphase Filters

Started by Luk_11 2 months ago8 replieslatest reply 2 months ago133 views
Hey guys, I am trying to understand the concept of polyphase filters. I'm starting with the concept, not with the exact means of implementation or the mathematics...

Folded FIR filter in Matlab or Octave

Started by woodpecker 2 months ago10 replieslatest reply 2 months ago111 views
Most of you, I'm sure, will be familiar with the "Folded FIR" technique for reducing the computational load of FIR filters.   For instance, in the example below,...

how would I model my data?

Started by lusher00 2 months ago6 replieslatest reply 2 months ago76 views
I am measuring the period of a digital signal. I interrupt on every rising edge and just keep an array of periods. My signal is just an impulse train of random periods....

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