Inverse DFT of frequency domain signal sampled from a continuous function

Started by jleman 4 months ago44 replieslatest reply 4 months ago146 views
I have a continuous function that defines a 1D frequency domain signal.  Plot A in the attached image shows the real and imaginary portions of the sampled signal...

Matlab CWT ( Continuous Wavelet Transform ) Manual Calculation

Started by NegativeKurtosis 4 months ago4 replieslatest reply 4 months ago86 views
Hello ,I am wondering if anyone knows how to manually calculate the CWT step by step and be willing to show me ? Below is the CWT definition :CWT_x^\psi(\tau,s)...

Moving Average Filter's Magnitude Response

Started by varungupta 4 months ago14 replieslatest reply 4 months ago125 views
I am working on filtering of data using the Moving average filter in MATLAB. My data is recorded temperature values on the Y-axis and Time(in seconds) on the X-axis (I'm...

Notch Filter Project - Detection and apply when needed

Started by AlwaysLearning 4 months ago5 replieslatest reply 4 months ago104 views
Hello,This is more of a general question and a chance for me to explore this topic a bit deeper. Do you know of any 'real world' situation where it might be necessary...
If I had 50Hz noise coming from power line, and signals in the same frequency range (EEG for example 0.1Hz to 100Hz). If my sampling frequency is 30kHz but I downsample...

understanding no perfect Zero-IF

Started by arlen 4 months ago4 replieslatest reply 4 months ago131 views
Hello, I hope someone could help me  with thisLet say that I have a signal centered at 30Mhz with a BW of 1Mhz, and I try to take  it to zero-IF but because my...

Adaptive filter and noise reduction

Started by sh_ee 4 months ago9 replieslatest reply 4 months ago115 views
What limitation would I have if my maximum adaptive filter tap order is 8? how can I correlate this to the type of noises the adaptive filter can denoise?Can... - need help testing it.

Started by stephaneb 4 months ago10 replieslatest reply 4 months ago100 views
Hello Friends,good news: the very first DSP Online Conference is materializing.  I have just published a beta version of the website and could use your help...

Sine Dipole formation using two hydrophones

Started by naumankalia 5 months ago15 replieslatest reply 4 months ago109 views
Hi all. I am trying to do MATLAB simulations for generation of SINE Dipole using two hydrophones spaced distance 'd' apart for signal coming from direction 'DOA'....

Why low number of subcarriers is needed for high path loss scenarios​ ?

Started by cogwsn 6 months ago9 replieslatest reply 4 months ago88 views
In one of the papers related to 5G numerology, I read this statement: "Low number of subcarriers is needed for high path loss scenarios because higher number of...

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