提问

Strange Problem when i write same code in function
This is my original code for Bisection Methods of Numerical Analysis % A program in matlab % bisection method to find the...

13 years 前 | 3 个回答 | 0

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提问

Use of FFT instead of Bank of Bandpass filters for DTMF Tone detection in Matlab
I want to request some one to comment on feasibility of an alternative implementation for DTMF tone detection by using FFT rathe...

13 years 前 | 1 个回答 | 0

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What filter command is actually doing
Thanks a lot King I sent u one more question in ur email which i think u have not received. This question is not related to mat...

13 years 前 | 0

提问

What filter command is actually doing
When i use filter command y=filter(filnum, filden, x); it filters the data in vector x with the filter described by vect...

13 years 前 | 3 个回答 | 0

3

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已回答
how to make mat file of a wave file
I consulted the book and got answer y=wavread('alpha.wav'); save alpha.mat y;

13 years 前 | 0

已回答
how to make mat file of a wave file
with save('alpha.mat', y) i am getting error Bye

13 years 前 | 0

提问

how to make mat file of a wave file
I am havig a wave file. I want to store the contents of wave file into mat file i am doing y=wavread('alpha.wav') now y is...

13 years 前 | 3 个回答 | 0

3

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提问

Need guide line for BPF outputs
I am doing a matlab question of the book in which sig.mat file is given. the first part says 1. Write matlab code that Loads...

13 years 前 | 1 个回答 | 0

1

个回答

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How to see freq response of a wave file
Can anyone help me I am having wave file I want to see its freq response How can i see that

13 years 前 | 0

已回答
Does freqz give the Fourier Transform ??
Is there any difference in Freq Response and Fourier Transform As per my understanding, they are both same things

13 years 前 | 0

提问

Does freqz give the Fourier Transform ??
Hi i am having this code h770=[]; L=50; fs=8000; fb=770; h770 = (2/L)*cos(2*pi*fb*(0:L-1)/fs); fs=8000; w...

13 years 前 | 3 个回答 | 0

3

个回答

提问

How to see freq response of a wave file
Hi i am having a wave file I want to see its frequency response. How can i see that

13 years 前 | 5 个回答 | 0

5

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how to do wavwrite on this mat file
ok thanks can u kindly eexplain abt x.(f{1}) why 1 is there

13 years 前 | 0

提问

how to do wavwrite on this mat file
Hi i am having mat file which is having DTMF tones i am listening tones by this x = load('dtmfsig.mat') f = fieldnames(...

13 years 前 | 3 个回答 | 0

3

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I am getting error when i try to listen mat file
I am doing as per ur instructions now i did this but did not listen any sound x = struct('data','dtmfsig.mat'); sounds...

13 years 前 | 0

已回答
I am getting error when i try to listen mat file
I am having a mat file and i want to listen it now i am using this and still getting error x=load('sig.mat'); soundsc...

13 years 前 | 0

提问

I am getting error when i try to listen mat file
Hi i am having mat file its name is sig.mat it is having dtmf tones in it i m using x=load('sig.mat'); soundsc(x,8000) an...

13 years 前 | 4 个回答 | 0

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query regarding n in the equation
King i am really grateful to u for ur precise and to the point answers

13 years 前 | 0

提问

query regarding n in the equation
I have implemented this equation in matlab In equation h[n] = (2/L) cos ( 2 π fb n / fs ), 0≤ n < L where L is filter ...

13 years 前 | 2 个回答 | 0

2

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Kindly explain me abt this command
Yes you are exactly right. This portion is related to detection for presence of specific tone. Thanks for u reply I just want ...

13 years 前 | 0

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提问

Kindly explain me abt this command
Can anybody explain me this command ss = (mean(conv(tones(:,1),hh).^2) > mean(tones(:,1).^2)/5); This command the book i...

13 years 前 | 3 个回答 | 0

3

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Getting error inMatlab 2008 but code is fine in Matlab 2011
Thanks a lot for quick solution it is resolved

13 years 前 | 0

已回答
Getting error inMatlab 2008 but code is fine in Matlab 2011
Ok this code i got from net i have pasted it. Can u kindly tell me what should i write instead of ~. Thanks a lot if nar...

13 years 前 | 0

提问

Getting error inMatlab 2008 but code is fine in Matlab 2011
Hi i have written a code which is working fine with me in Matlab 2011 when i send same code tomy frd who is using Matlab 200...

13 years 前 | 3 个回答 | 0

3

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提问

Need help for Cordic Function implementation
I need to fill in the blanks \????" in the provided code to implement the CORDIC function for division. I have to Choose approp...

13 years 前 | 1 个回答 | 0

1

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Why i am gettiing warning
hi king I am writing as per ur advice but i am still getting error dtmf = dtmf./max(abs(dtmf)); any other option for it

13 years 前 | 0

提问

How can i cross check convolution in matlab
My x(n)=delta(n) -delta(n-1)-delta(n-2) my h(n)= delta(n)+2delta(n-1)+3delta(n-2)-delta(n-4) i have convolved them by han...

13 years 前 | 1 个回答 | 0

1

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提问

how to take the freq response of function
my h1(n) = delta(n) -delta(n-1) and h2(n) = u[n]-u[n-5] what is freq response of h2(n) How can we calculate the impulse r...

13 years 前 | 0 个回答 | 0

0

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提问

what is function of [ ] in this code
Here is the code h1336=[]; L=50; fs=8000; fb=1336; h1336 = (2/L)*cos(2*pi*fb*(0:L-1)/fs); [H,F] = freqz(h1336,1,[],f...

13 years 前 | 2 个回答 | 0

2

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Need help for GUI of DTMF
What i actaully want that when i press any key, it is stored somewhere and when i press the button dial, then the key start to g...

13 years 前 | 0