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Re: Matlab, properly using IFFT, FIR Filter Desing

Reply posted 1 month ago (04/27/2020)
Hi Kaz,Thanks for your post. Your code does make sense.I have found that most of my problems are orbiting my lack of understanding of  the Matlab functions freqz()...

Re: Matlab, properly using IFFT, FIR Filter Desing

Reply posted 1 month ago (04/27/2020)
That makes sense. Thank you for your help.Just out of curiosity, what University do you teach at?

Re: Matlab, properly using IFFT, FIR Filter Desing

Reply posted 1 month ago (04/24/2020)
Hello,Thank you very much for your reply. That is an interesting Matlab script.However, (and please correct me if I am wrong here) but the code that you showed is...

Re: Matlab, properly using IFFT, FIR Filter Desing

Reply posted 1 month ago (04/24/2020)
Here is my Matlab Code to help explain what is going on (note, the bottom plots in windowed). The goal is that the top plot should be nearly identical to the bottom...
Hello,There is probably an easier way to do this, but I am getting stuck on trying to determine the following FIR filter design.Let's suppose that I have a transfer...

Re: DTFT, plotting with various sampling frequencies

Reply posted 3 months ago (02/21/2020)
Hi Rick,Thank you for your post.Allow me to elaborate. So I was given the continuous time function below:So this (I think) is the same as Xa(t) = e^(-j*2*pi*F0*t)...

Re: DTFT, plotting with various sampling frequencies

Reply posted 3 months ago (02/21/2020)
Do my questions make sense?With my Matlab code, I've noticed that my plots change a lot if I change the precision of f. f=-10:1:10 produces very different plots...
Hello, I am attempting to plot the result X(f) for various sampling frequencies. I am adjusting the sampling frequencies to intentionally cause aliasing to see...

Re: Simplifications With Eulers Equation (DTFT, DTFS)

Reply posted 3 months ago (02/13/2020)
Thanks Rick, I appreciate your feedback. That does make a lot of sense.

Re: Simplifications With Eulers Equation (DTFT, DTFS)

Reply posted 4 months ago (02/12/2020)
Sorry, it might be helpful if I include the book answers :pBut ya, as best as I can tell, I don't think I am dropping any signs or missing any 'i' complex values.Also,...

Re: Simplifications With Eulers Equation (DTFT, DTFS)

Reply posted 4 months ago (02/12/2020)
So I worked out the problem using some of the tricks that you shared and this is what I got ( I did read over your blogs, they were helpful :)This answer is not...

Re: Simplifications With Eulers Equation (DTFT, DTFS)

Reply posted 4 months ago (02/12/2020)
Thank you. I will read those articles. Thanks again. I greatly apprecate it. 

Re: Simplifications With Eulers Equation (DTFT, DTFS)

Reply posted 4 months ago (02/12/2020)
Thank you for the clarification. I will most certainly read your blog.:)

Re: Simplifications With Eulers Equation (DTFT, DTFS)

Reply posted 4 months ago (02/12/2020)
Thank you. Wow that makes so much more sense now. Thank you so much for answering  that question :)While I have you, can you help shed some light on the below as...

Re: Simplifications With Eulers Equation (DTFT, DTFS)

Reply posted 4 months ago (02/12/2020)
Hi,Thank you so much for your reply. Unfortunately, your graphic did not come through. Can you please try to re-post it?Thanks again :)
Hello,I am new to DSP and am taking a DSP class in university right now. One item that I am having trouble understanding (and my textbook doesn't seem to be addressing)...

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