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Recent content by engineer ahmed

  1. E

    butterfly multiplier(twiddle factor mult.)

    butterfly twiddle factor please help me to solve a problem when implement fft on fpga ,i write codes for butterfly module but when i multiply with twiddle factor i face aproblem of increasing multiplication output bits evey multiplication process please help me to solve this problem please...
  2. E

    FFT calculation using FPGA

    i can not find the two links**p://file.21ic.com.cn/DSP/DSP_with_FPGA.ziph**p:// pleaaaaase help me ,send me the files on my e mail ahmmansour@hotmail.com thanks fot y
  3. E

    Help me with implementing ifft on FPGA

    implement ifft i means by resolution the number of bits which will represents the coplex inputs to ifft
  4. E

    question:what is the need of IFFT and FFT in OFDM?

    cyclic prefix is the guard interval between symbole and others to avoid isi
  5. E

    The difference between bit duration, bit period and symbol duration, sample period

    symbol duration also when you get data rate you multiply fs * bit per sample
  6. E

    Help me with implementing ifft on FPGA

    hi, i going to implement ifft on fpga i know i need complex multiplier and addition but how determine the resolution of fft output (number of bits of i/o) also how to make test to my desgin if y have code for this 8 ifft but i will make 64 ifft but to able to understand the code project send...
  7. E

    MC-CDMA Transceiver Project

    i advise y to start by simulation to tx. bolck by block by using matlap and copare the result by standard of ieee \]
  8. E

    Need ideas on OFDM Area MSc. project

    Re: OFDM Area subject ofdm is rich in research subject y can also make implementation for ifft and fft in tx/rx on fbja
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