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Laurent KOPP (@LKopp)

Signal and Array Processing for Acoustic applications (sonar, medical imaging)

Re: Minimalist high performance Farrow Filters

Reply posted 3 months ago (09/22/2024)
HelloSince your concern is implementation I am not sure what is next is helpful, but let's try.There is clearly no functional difficulties here. As you said it is...

Re: Simple filter in C

Reply posted 5 months ago (07/17/2024)
Hello,Why not trying something like a sweep with various bandwidth and central frequency. The result is intuitive and easy to test..Regards. Laurent

Re: Deriving velocity from accelerometer data

Reply posted 5 months ago (07/09/2024)
Hello Kousik,It seems to me that you are experiencing what is called as "Brownian" motion. Integration white noise (zero mean) should provide an estimate with a...

Re: Future of Signal Processing

Reply posted 6 months ago (06/09/2024)
Hi Mannai-Signal Processing is indeed a frustrating discipline. It's like DNA for living bodies, everybody knows it's there and essential but very few really care,...

Re: Sigma-delta DAC or delta-sigma DAC?

Reply posted 2 years ago (05/26/2023)
To my knowledge both are familiar but Delta-Sigma seems more matched to the functional description of the convertor (make a difference and then average for spectral...
HelloThe sinc(x)=sin(x)/x goes to 1 when x goes to 0... sin(x) and x both goes to 0 but the ratio does not. When x is small sin(x) is equivalent to x-x³/6 so the...
I don't know this book either...But the figure is indeed confusingThe Sinc function (of m) should peak at m=k, as it does, because the cosine has k periods in the...

Re: Curve Modelling

Reply posted 5 years ago (02/01/2020)
Hello Groger, I am not sure to fully appreciate your problem and probably the previous answers would do the job nicely, but what strikes me is that you have a family...

Re: Carrier doppler shift and Signal doppler shift

Reply posted 5 years ago (08/19/2019)
Hello..As I see it:A Doppler shifted signal is a time compressed version of the original signal: if S(t) is emitted S(at) is received, where a=1-v/c approximately.Now...

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