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Pourya Alinezhad


shahid ba honar university

Last seen: 3 years 前 |  自 2013 起处于活动状态

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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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已回答
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','...

10 years 前 | 1

已回答
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 ...

10 years 前 | 1

已回答
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...

10 years 前 | 0

已回答
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...

10 years 前 | 0

已回答
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...

10 years 前 | 0

已回答
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 ...

10 years 前 | 0

已回答
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...

11 years 前 | 0

已提交


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

11 years 前 | 1 次下载 |

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已回答
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)

11 years 前 | 3

已回答
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...

11 years 前 | 0

已回答
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...

11 years 前 | 0

已回答
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...

11 years 前 | 0

| 已接受

已回答
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

11 years 前 | 0

| 已接受

提问


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 ...

11 years 前 | 3 个回答 | 0

3

个回答

已回答
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...

11 years 前 | 0

已回答
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...

11 years 前 | 0

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

11 years 前 | 0

已回答
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...

11 years 前 | 0

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

11 years 前 | 0

已回答
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...

11 years 前 | 1

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

11 years 前 | 1

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

11 years 前 | 1

| 已接受

已回答
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...

11 years 前 | 1

| 已接受

已回答
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 ...

11 years 前 | 0

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

11 years 前 | 0

已回答
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...

11 years 前 | 1

已回答
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...

11 years 前 | 0

已回答
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...

11 years 前 | 0

已回答
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...

11 years 前 | 0

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

11 years 前 | 1

| 已接受

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