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Pourya Alinezhad


shahid ba honar university

Last seen: circa 2 anni fa |  Attivo dal 2013

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www.pro-vb-c.mihanblog.com
Professional Interests: FPGAs,HDL programming, signal processing,statistical signal processing,adaptive filters,Radar,phased arrays,

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Risposto
How to delete rows of characters in Text files?
hi there, u can use the following lines of code: fid=fopen('txtfile.extention'); textdata=textscan(fid,'%n%n%n%n%n%n','...

circa 8 anni fa | 1

Risposto
binary matrix that has different orders of 0 and 1
hi, you can easily construct the matrix using: A=zeros(size^2,size) where "size" is column number of the matrix. then ...

circa 8 anni fa | 1

Risposto
How to separate signals with diffrent frequencies
1-you can use several filters with different center frequencies (chebishev or butter filter) h = fdesign.bandpass('N,F3dB1...

circa 8 anni fa | 0

Risposto
How to draw 3-D plots in MATLAB
actually transfer function H(s) has a response which could be plotted on a 2D diagram.the vertical axis corresponds to the magni...

oltre 8 anni fa | 0

Risposto
How to put a user designed function in a simulink block
there is a block in simulink which accepts codes.... return values of function are block outputs and the inputs are function arg...

circa 9 anni fa | 0

Risposto
Define matrix in MATLAB with 0s and 1s
define a vector as : a= [1 1 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...

circa 9 anni fa | 0

Risposto
How do I set up constrained optimization
hi i work on phased arrays. i exactly know what do you want... download the user guide and review the first 100 pages. you wil...

oltre 9 anni fa | 0

Inviato


Orthogonal Designs With Maximal Rates
a code for producing orthogonal codes used in wireless networks.

oltre 9 anni fa | 1 download |

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Risposto
Solving a Nonlinear Equation using Newton-Raphson Method
you can use the following line of code; x = fzero(@(x)x.^3 - 0.165*x.^2 + 3.993*10.^-4,0.05)

oltre 9 anni fa | 3

Risposto
How can i correct Newton rhapson method??
the algorithm should be like this pseudo code... function out = Newton(f,fprime,xstart,tol) xold = xstart; xnew = xol...

oltre 9 anni fa | 0

Risposto
How can i correct Newton rhapson method??
you may use somthing like this : while abs(xold -xnew) > tol xold = xnew; xnew = xold - feval(f,xold)/feval(fprim...

oltre 9 anni fa | 0

Risposto
I WANT TO EXTEND MY GRAPH WITHOUT DISTURBING THE MATRIX PLOT
the x vector you mentioned actually goes through the y axis... and in the black and white graph the x axis have a rank from 1 to...

oltre 9 anni fa | 0

| accettato

Risposto
3 matrix in a loop
a=[1 2;4 6] b=[5 6;8 7] c=[5 8;8 5] d={a b c}; for i=1:3 x=sin(cell2mat(d(i))) end

oltre 9 anni fa | 0

| accettato

Domanda


how can i map a surface on a shape?
hi there i am working on phased arrays.there is lot's of antennas on a predefined lattice.now i want to map the lattice grid ...

oltre 9 anni fa | 3 risposte | 0

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risposte

Risposto
Servo control, using Matlab
hi, my Bs graduation project was "implementing a PID controller on FPGA and controlling a servo motor" you can find useful exa...

oltre 9 anni fa | 0

Risposto
Smoothing Spline curve fitting - Equation?
yes.there is a program named "data_from_graph_1v0" which can do the job for you. provide a mail address so i could send it to U...

oltre 9 anni fa | 0

Risposto
Can I connect 2 PID on a switch ?
use a de-multiplexer to separate them and use them individually.

oltre 9 anni fa | 0

Risposto
Need half of my contour plot
hello maryam, run following lines of code. x=0:0.1:10; y=x; j=1; z=meshgrid(x,y); h=ones(length(x),l...

oltre 9 anni fa | 0

Risposto
How do you creat one large text file?
load all mini text.then save the total workspace in a new text file .

oltre 9 anni fa | 0

Risposto
An elegant alternative to nested for loops for plotting simulations
hi. do not use HOLD ON command. you can compute and save your data in another matrix.then plot the whole data generated at once...

oltre 9 anni fa | 1

Risposto
Fading channel coefficient calculation
hi, for generating Rayleigh channel we can code as below: h1=sqrt(0.5)*(randn+1i*randn)*(1/sqrt(2...

oltre 9 anni fa | 1

Risposto
How to do integration using MATLAB
instead of using symbolic math you can use numerical integration . function answer=myfunction(T) %* Labatto quadr...

oltre 9 anni fa | 1

| accettato

Risposto
Eye diagram: Redefining a variable?
the code dose not work on my pc. because prz and psin ,... functions are not provided with the code. following code: yrz...

oltre 9 anni fa | 1

| accettato

Risposto
try/catch in gui
just check the input box you created in GUI for numbers below desired value.if input number was bigger than upper bound you can ...

oltre 9 anni fa | 0

Risposto
Tracking mouse position on figure
you can use the function [x,y] = ginput(4)

oltre 9 anni fa | 0

Risposto
Solving wiener hopf equation for optimal filter coefficients
the problem you are facing is how to choose the length of the filter M. in the absence of a _priori_ information ,we compute th...

oltre 9 anni fa | 1

Risposto
Variable electrical load in a network
simultaneously use constant load and variable one in a submodel,see if you can construct your load model with linear or none lin...

oltre 9 anni fa | 0

Risposto
how to create customized curve ( only know the shape )
yes...there is a programme which accepts images and returned data... named "data_from_graph_1v0" it's about 300kb and i can ma...

circa 10 anni fa | 0

Risposto
Print number as .0000000E+00
fprintf('%1.5s',0.1) 1.5 stands for 5 decimal places.1 is for full number. s==scientific you could easily find a way to thi...

circa 10 anni fa | 0

Risposto
Is it possible to combine strings and variables in a matrix?
disp(['rate:',num2str(rate),'duration:',num2str(duration)])

circa 10 anni fa | 1

| accettato

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