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Recent content by preethi_k4

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    Time-Frequency Training (TFT) - OFDM

    Hi Black Bird, I have tried executing the code, i found that you are trying to access data variable without assigning values. Use index when assigning data to data 'data = mout(x+3599);' so that later u can use for i = 1:3600 new_sym(i+30) = data(i); Also make sure you have 3600 values...
  2. P

    cursive hand written documents to editable form using matlab

    You can use Morphological techniques like open or close. You can find standard functions for these in Matlab.
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    channel coefficients from mimochan() in embedded matlab

    Hi All, For implementing MIMO in Simulink i am using mimochan() in matlab function. The channel object is created and i used filter() to pass the modulated signal. It worked fine. Now, for the PathGains of the channel object, i used the follwing code coder.extrinsic('mimochan') chnl =...
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    Raleigh channel coefficients from Simulink

    Hi all, I am working on 2X2 MIMO in Simulink with ZF equalizer. I am using Raleigh fading channel, the path gains are obtained by selecting the 'Complex Path Gain Port' in the block. Now the problem is i need 2X2 channel coefficients for ZF equalizer. How do i calculate the channel...
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    path gains and channel coefficients ....confusion

    Hi iutunitn, I am also looking for solution of the same problem. How did you achieve to get the path gains? Thanking you in advance
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    Array factor calculation problem

    Array factor and gain are different. The Array Factor is a function of the positions of the antennas in the array and the weights used. for calculation chk this link https://www.antenna-theory.com/arrays/arrayfactor.php The phase difference will be dependent on angle of incidence or transmitting...
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    Corelation problem in matlab.

    You can use correlation to compare the similarity of two sets of data. Correlation computes a measure of similarity of two input signals as they are shifted by one another. The correlation result reaches a maximum at the time when the two signals match best. If the two signals are identical...
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    why amplitude raised do to covolution?

    In convolution the basic operation is integration of the signal, integration is nothing but summation of the signals. Each point in the sample amounts to integration of the symbol up to the point.
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    Bit duration, bit rate problem

    1. bit duration is the time for the value remain as '1 ' or '0' or 'x value' 2. Bit rate indicates how fast the value of bit changes or how frequently the value of bit changes. check this link https://wiki.answers.com/Q/What_is_the_duration_of_each_bit_if_the_bit_rate_of_a_signal_is_2Mbps 3. dB...
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    how to design this FIR filter in MATLAB?

    can we use 'sptool' instead of 'fdatool' ?
  11. P

    question about sampling

    multiply it with a pulse signal whose frequency is equal to sampling frequency...the output variable will contain the values of the samples..
  12. P

    how to use source dspsrcs in MATLAB

    is dspsrcs4 a function in matlab???
  13. P

    How to Create Nodes in MATLAB

    have u got the solution?
  14. P

    Full adder using 2 XOR, 2 NAND and 1 OR gates

    u can build full adder with 2 XOR, 2 NAND & 1 NOR

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