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Discussion Groups | Matlab DSP
Technical discussion about Matlab and issues related to Digital Signal Processing.
Problems in RTDX Simulink -> Code Compose Studio V3.3 (CCS) about toolbox C2000
ruimach - Sep 8 2008
Hi,
I make a project that used Toolbox for DSP Texas
Instruments C2000. I tried to use the RTDX functions (write
and read) in Simulink for TMS320F2812 processor.
But when... 
Some papers needed
jamal_eee_03 - Sep 8 2008
Is there any one who has the following papers? If u have,Please send
to me.It will be very helpful for my work on "Speech Enhancement".
1. S. F. Boll, "Improving linear predictio... Manipulate symbolic (algebraic) expressions
Dilip Ahalpara - Sep 5 2008
Hi all,
I need to manage an array of algebraic expressions (e.g. 2*x^2+3*x-5)
having binary operators (+, -, *, / and ^). Essentially what is
required is to evaluate a given s... Can any body help me about OFDM based thesis [4 Articles]
Alam - Sep 5 2008
Dear
I am studding in final year in electronics engineering, i have been making research and preparing thesis regarding with OFDM. To
understand OFDM more and mor... Re: Converting Matlab m code to c code for Blackfin DSPs
ondr...@gmail.com - Sep 4 2008
Hello,
I'm sorry but I can't find any other way how to contact you..
I found several messages here from you.. I'm also working on my stereovision project using BF561 DSP and I ... Put computer in standby/sleep mode
jero...@tno.nl - Sep 2 2008
Ola,
Does anybody know if there is a command or function in MatLab that puts the computer into sleep or standby mode and if there is also a command that gets it out of that mode... reconstructing the gray scale image from binary
swathi sairam - Sep 1 2008
Hi,
 In my watermarking project, I detect edges and embed my watermark in high intensity regions of the edges in the host gray scale image. So the host image will be transforme... Plotting CCDF
shammashahbaz - Aug 29 2008
i want to plot the CCDf of the ofdm signal i have calculated my peak to
average power as
meanSquareValue = Y4'*Y4/length(Y4);
peakValue = max(Y4.*conj(Y4));
where Y4 is the f... intensity plot from electric field
MOHAMMED IMRAN AHMED - Aug 27 2008
Hi all,
I would like a little help from all of you, I am presently studying
MSc in telecommunnications at Aston university.
I am having a problem in finding the intensity ... Zoom FFT - RESAMPLING HELP
hide_xjapan2003 - Aug 25 2008
dear everyone,
i need some help about Zoom FFT.
i've read some literature about this from B&K but there is one
question
that make me stuck when perform this.
from the lit... How to make a impulse response using "filter" function
cesar acosta - Aug 25 2008
hi, im little new using matlab and these is my first post ^^
I have use the function impz to do it and i need to compare with the
response using filter, but im no relly sure ho... How to use.wav file as an input to LMS Equalizer
cool...@yahoo.co.uk - Aug 24 2008
Hi everyone,
could any body please tell me how can i use a .wav file as an input to system identification (LMS)and Channel Equalization (LMS).
Code for both are Given below.If a... ADALINE for noise cancellation in speech
duckola53 - Aug 24 2008
Hello all,
Im trying to compare the use of the Multilayer feedforward neural
network (MLP ANN) and ADALINE for noise cancellation.
I have been able to run the code for the M... Plotting an equation on a surface
pnalelia - Aug 24 2008
For different constant values of i and a=0:180,
how do i plot a 3-D surface and have like
i1=0 const
i2=45 const
13=90 const
.
.
.
.
i180=180 const
a=0:180 for... Plotting an equation; [3 Articles]
pnalelia - Aug 22 2008
Hi people,
I am trying to plot the following equation in matlab. I dont expect
the plot to be a straight line since the equation is not a straight
line equation. I am on a time... random phase updation in matlab
shammashahbaz - Aug 22 2008
hi
i want to update the constellation symbol's phase in matlab without
explicitly identifying the imaginary and real components for example i
want to update exp(2*Pi*j) to ... Adaptive Equalization [2 Articles]
cool...@yahoo.co.uk - Aug 20 2008
Hi,
I am looking the code for an adaptive channel equalizer. I have to do system identification in which i will pass a predefined signal or a recorded .wav file and white Gaussain... scrambler and descrambler in MB-OFDM
nhscor - Aug 18 2008
Hi,
can anybody help me how to develop a code for the above subject? I know
that scrambler is available in simulink blockset but can we extract the
code from there since I don... programming in matlab [2 Articles]
labmatart - Aug 14 2008
Hello to everybody over there,
I would like to generate name of files in a cycle , for example
for j=1:1:ELEMENTS
the name of the variable is the type in concatenetion ... display data on edit text in OCR
dinahmad86 - Aug 12 2008
i'm working on an ocr (optical character recognition)
shoftware, and i am using a neural network feed forward
back propagation.
i've done the GUI that's supposed to open an ... Real time voice encryption
nitishprasad2002 - Aug 8 2008
Hi all,
I am doing a project on real time voice encryption system. I am
interested in using MATLAB as the programming language but cannot find
a command or tool that lets me tak... Read from scanner OCR
dinahmad86 - Aug 5 2008
hello everybody .. i'm working on an ocr (optical character
recognition) project .. and i need a function that would allow me to
read the image directly from the scanner ..
... 6-channel wavread using MATLAB
#ARIJIT BISWAS# - Aug 5 2008
Hi all!
Using MATLAB “wavread” function, I can read-in a 6-channel wav file, which is in PCM audio format.
However, I cannot read some other 6-channel files, which are not ... Building StateFlow diagrams
Puya Afshar - Aug 4 2008
Dear All,
I'm new to StateFlow. trying to implement a simple example like the one in "getting started" tutorial, i have followed all steps in the tutorial. However, when i w... FSOLVE ?? nonlinear equations
hr21...@bath.ac.uk - Aug 4 2008
Hi all,
I have a matrix 'MatrixA' = [ a b c ], and 'MatrixC' = [ s ]
each of the matrices have 30 rows.
the equation looks like a(1)X + b(1)Y + c(1)Z = s(1)
since I have all th... objective function in bintprog
Tuan Tran - Aug 2 2008
Hello everyone,
I'm working on a binary optimization broblem using *bintprog. *However, this
function defines the objective function through an input vector f such as
x=bintprog... Symsum
marc...@gmail.com - Aug 2 2008
Hi!!
I have a function that I would love to apply using the syms functions. It is -> sum((IOk/Nk)*exp(-t/Pk)) where k is my index. Now IO, N, and P I already have values for. I... Aggression Detection
anni...@gmail.com - Jul 30 2008
Hello,
At the request of a friend I started a project to detect aggression in workplace meeting situations using voice processing http://code.google.com/p/aggressiondetector/
... Moving Horizontal Line Marker
marc...@gmail.com - Jul 30 2008
Hi!!
I downloaded some code from mathworks.com that puts a marker on vertical marker on a figure that can be moved horizontally. I would like to modify the code so that it puts ... Kalman filter
gatzos_barca - Jul 30 2008
Hello everyone!!
Im struggling on a simple assignment. I have to filter specific data
(which are in .xls format) using the "optimal" kalman filter in both
ARMAX and ARX mode... Horizontal marker with tracking
Duroseme Taylor - Jul 30 2008
Hello!!
I am currently working on signal analysis of some complex waveforms. I have
searched the web for markers and I found half of what I wanted. I was able
to find dualcurs... Global Variable
Vinay Navinchandra - Jul 28 2008
I am having problem with global variable , I am not being able to see global
variable in other function that I have create in my GUI , I have already
declared with global , but ... HOSA Cross-Bispectrum Parameters
alex...@gmail.com - Jul 28 2008
Hi,
I am analyzing the bispectrum of 2 signals using the higher order spectral analysis toolbox. The command to do this is not too complicated:
bispecdx(x,x,y,nfft,wind,samp... Re: FFT Frequency plot
hide...@yahoo.com - Jul 26 2008
maybe you can try this one. this is M-file ONLY to show how to develop sinusoidal signal with some modulation & show it in frequency domain.
hope this will help you
Nf = 800; ... Help on damped sinusoidal signal (bearing signal simulation) [2 Articles]
U D - Jul 26 2008
dear MATLAB user,
i need your help on simulating this signal (see the attach picture).
im very curious to simulate this signal but i dont know how to
simulate this one?
i'v... trellis - not modulo-2 adder
helo...@in.gr - Jul 26 2008
Hi,
I want to simulate a trellis like this:
in cur nxt out
1 00 00 0
0 00 10 1
1 10 01 0
0 10 11 1
1 01 00 -1
0 01 10 0
1 11 01 -1
0 11 11 0
... Re:for loop to read the files in a folder
laks...@gmail.com - Jul 25 2008
Hey
I also used to number which is painful when there are too many files.
A better method is to use "files=dir('*.jpg');" which will store the names of all jpeg files in the curr... wavelet transform
Josh Morgan - Jul 24 2008
Hi,
I have a few problems, looking for there solutions:
How to set filter type, length, order and sampling rate using DWT command? I mean how all parametrs that we set in fdatool... Reading text files [3 Articles]
Duroseme Taylor - Jul 23 2008
Hi!!
I have got a text file that I want to manipulate in matlab. The file
structure is as follows
*Extract of 060710_072827_000151.bin
Channel 1
Time: 07:28:27
Start: 381... Time reversed processing for maximum phase filter in 8PSK
Sundar Rajan - Jul 23 2008
Hi
I'm trying to compare performance with and without minimum phase
prefilter
for 8PSK equaliser with a DDFSE. When we employ a prefilter, we use
min
phase all pass pre...