Method and device for suppressing noise
A technology for noise suppression and noise suppression, applied in electrical components, transmission systems, baseband system components, etc., to solve problems such as low noise suppression efficiency and multipath information noise that cannot be suppressed.
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[0064] Method example 1: Only the first noise suppression is performed.
[0065] Step 1: First extract the OFDMA symbol Y from the pilot pattern N (k), and perform pilot value sequence extraction on the OFDMA symbol, that is, store the value at the corresponding position of the received signal.
[0066] Step 2: Regard the extracted pilot position as a series of discrete sequences, and perform an inverse Fourier transform IFFT on this sequence by formula (1).
[0067] G · M ( p ) = 1 L Σ m = 0 L - 1 H · m ( m ) e 2 jπpm ...
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