Question

Frequency doesn't sound right

Hey, I'm just doing a tutorial for a course I'm doing and one question asks us to recover 'signal 2', where we're given signal 1...

casi 10 años ago | 1 answer | 0

Question

Elliptical plot to Frequency response

The original question has been removed by the user.

casi 10 años ago | 1 answer | 0

Question

adaptive filter with more than two coefficients

The original question has been removed by the user.

casi 10 años ago | 1 answer | 0

Question

Can't sort this code

The original question has been removed by the user.

casi 10 años ago | 3 answers | 0

Answered

basic matrix creation question

Think I did it: - clear all; close all; inc = 180; N = 6; thetaDeg(1:90) = linspace(270,359,90); %allocate val...

basic matrix creation question

Think I did it: - clear all; close all; inc = 180; N = 6; thetaDeg(1:90) = linspace(270,359,90); %allocate val...

casi 10 años ago | 0

Question

basic matrix creation question

Can anyone help me change this code so that I get r_n in one line rather than 7? Many thanks clear all; close all; inc ...

casi 10 años ago | 2 answers | 0

Question

plots - graphics quality poor

i use a few programs including matlab, and the plots MATLAB makes tend to look quite poor. i think it's because there's no 'smoo...

alrededor de 10 años ago | 2 answers | 0

Question

maths behind functions

hi, i'm asking a lot of questions at the moment - i hope that's okay. i'm studying digital signal processing at the moment an...

alrededor de 10 años ago | 1 answer | 0

Answered

filter coefficients

hi wayne, i'm just having problems seeing how you got from the difference equation to the impulse response (the IIR example). ...

filter coefficients

hi wayne, i'm just having problems seeing how you got from the difference equation to the impulse response (the IIR example). ...

alrededor de 10 años ago | 0

Question

Random noise vs. White/Gaussian noise

I've been using this as my white noise so far, s = (rand(N,1)-0.5)*2; If I used one of MATLAB's noise functions what wou...

alrededor de 10 años ago | 1 answer | 1

Question

filter coefficients

Just a quick question - are 'filter coefficients' the coefficients of the impulse response, desired transfer function, or actual...

alrededor de 10 años ago | 3 answers | 0

Question

Mean averaging separate rows using a certain section of each row.

I need to taken a mean average of a certain section of a row of a vector - and I need to do that for every row - giving each row...

alrededor de 10 años ago | 1 answer | 0

Question

how do i turn an array into a column vector?

I can't work out how to change my array into a column vector. I thought it was just putting ' after it, but that's not working. ...

alrededor de 10 años ago | 1 answer | 1

Question

how do i work out the transfer function of my filter for use in an adaptive filter?

Hey, I just need a bit of help getting to a transfer function for a filter. i have to use an FIR filter that i designed in an...

alrededor de 10 años ago | 1 answer | 0

Question

zplane - don't the zeros and poles need to be complex?

I'm just getting my head around the zplane function. I'm not how the values of z and p are mapped onto the pole-zero plot. I tho...

alrededor de 10 años ago | 1 answer | 0

Question

Filter design - are taps the same are difference equation coefficients?

Are taps the same are difference equation coefficients? I'm not sure how they can be actually - or if they are I don't know h...

alrededor de 10 años ago | 2 answers | 0

Question

filter clarity needed - does no. of coefficients = order = no. of poles and zeros?

does the no. of filter coefficients also equal the order and also the no. of poles and zeros? thanks

alrededor de 10 años ago | 1 answer | 0

Question

need to visualise this comb filter

I need to visualise this schroeder comb filter - y_n=x_(n-tau)+g*y(n-tau). I have that the z-transfer function is H(z)=1/(z^tau ...

alrededor de 10 años ago | 2 answers | 0

Question

Turning array values into values on an x axis

Suppose I had a <1x4 double> array and the values were 2,3,6 and 9. How would I create a <1x10 double> array where all of th...

más de 10 años ago | 1 answer | 0

Question

how can I zero a load of my array values?

how can I zero a load of my array values?

más de 10 años ago | 1 answer | 0

Question

My MATLAB gets sluggish over time so I have to keep restarting it

My MATLAB gets sluggish over time so I have to keep restarting it. I think that when I'm running a heavy script quite a few time...

más de 10 años ago | 3 answers | 1

Question

I seem to have loads of free RAM even though my script is taking 10 minutes to run

I seem to have loads of free RAM even though my script is taking 10 minutes to run. I have a MacBook Pro i7 with 8GB of RAM and ...

más de 10 años ago | 1 answer | 0

Question

this script doesn't seem to work properly any more

I've been given this script to generate MLS sequences and until recently it was working okay. Now I get this error code - 'Warni...

más de 10 años ago | 2 answers | 0

Question

Is there a way to 'fold up' sections of code - like when you close up a for loop

Is there a way to hide sections of code - like when you close up a for loop? I have quite a long code with a few different se...

más de 10 años ago | 3 answers | 2

Question

trying to make a random number sequence similar to an MLS sequence

I'm trying to create a random number sequence like this one: - x = 2*rand(N,1)-1; % generate input noise s...

más de 10 años ago | 1 answer | 0

Question

can I disable entire sections of code temporarily

Can I disable entire sections of code temporarily? I have a large code that contains different scenarios. I'm working on one...

más de 10 años ago | 3 answers | 3

Answered

Run a for loop for three different types of excitation

worked it out equals signs for the ifs need to be doubles i.e. ==

Run a for loop for three different types of excitation

worked it out equals signs for the ifs need to be doubles i.e. ==

más de 10 años ago | 0

| accepted

Question

Run a for loop for three different types of excitation

I need to run a for loop for three different scenarios. I tried this: - etyp = 3 %number of excitation types for i = 1:ety...

más de 10 años ago | 1 answer | 0

Question

Is it possible to add plots to an already existing graph?

I've got a script that is based around three different types of excitation, and rather than trying to use a load of tricky progr...

más de 10 años ago | 1 answer | 0

Question

array manipulation - a few basic questions

Hi, I have to do a bit of array manipulation and I really don't have a clue about it. First I need to know how to take a <102...

más de 10 años ago | 1 answer | 0