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OFF TOPIC: A Question About PI

Started by Rick Lyons 3 months ago33 replieslatest reply 2 months ago176 views
Hi. Is the teacher in the following video correct in saying that every number is contained within the digits of pi?

Fixed point exponentiation

Started by andrewstanfordjason 3 months ago16 replieslatest reply 2 months ago133 views
I have a need to raise two to the power of a fixed point number, for example 2**(Q31(-0.4)). Does anyone know an efficient way this I can implement this to a reasonable...

ICI avoidance in OFDM

Started by Mannai_Murali 3 months ago8 replieslatest reply 2 months ago96 views
In standards like DVB-T2 there is a iterative decoder to mitigate ICI.Since the effect of high doppler is to introduce ICI due to frequency offset why we can NOT...

Problems extracting phase of dual FFT

Started by Samp17 3 months ago4 replieslatest reply 2 months ago104 views
I am performing dual FFT analysis on a system. 1) I generate a Log Sine Sweep signal and save it as my reference array2) I then produce an inverse filter to correct...

Clock drift and compensation

Started by JhonMicky 3 months ago9 replieslatest reply 3 months ago124 views
Hello everyone,,I have  a system which has a tuner chip and DSP chip, both are clocked by independent xtals. Tuner gives the baseband samples to DSP, and tuner...

Real to Complex conversion

Started by PetterJhon 3 months ago6 replieslatest reply 3 months ago135 views
Hello everyone,,A very basic question related to real to complex conversion. Let's say I have a ADC sampling at 1Gsps - real samples only. In the digital domain...

Window Impulse Response

Started by Samp17 3 months ago12 replieslatest reply 3 months ago115 views
I have used a generated Log Sine Sweep as stimulus for a loudspeaker under test.  I record the input to a measurement microphone with long enough sample size for...

Trying to create a virtual audio cable output from a software defined radio program

Started by iosman123 3 months ago1 replylatest reply 3 months ago89 views
HiI have a question concerning getting a virtual audio cable output in a program I wrote.  A virtual audio cable output is an audio stream where the left channel...

Filtering a white noise process in MATLAB to generate shadowing/fading?

Started by szak1592 3 months ago6 replieslatest reply 3 months ago79 views
Hi everyone!I am solving a computer exercise in Andrea Goldsmith's Wireless Communication book. The problem statement is: "the simulation first generates a white...

Pool Ball Pendulum Animation in MATLAB

Started by Rick Lyons 3 months ago10 replieslatest reply 3 months ago113 views
Hi.Two weeks ago I posted a Forum message:https://www.dsprelated.com/thread/8675/is-this-tim...showing a video of oscillating pool ball pendulums. Because that Forum...

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