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Modulator

Bases: object

Class representing modualtor.

Attributes:

Name Type Description
...

Methods:

Name Description
bpsk

The purpose of this method is to modulate bit sequence using BPSK.
Source code in src\modulator.py 
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class Modulator(object):
    """
    Class representing modualtor.

    Attributes
    ----------
    ...

    Methods
    -------
    bpsk(bit_seq)
        The purpose of this method is to modulate bit sequence using BPSK.
    """

    def __init__(self):
        pass

    def bpsk(self, bit_seq: NDArray[np.uint8]) -> NDArray[np.int8]:
        """
        Performs BPSK modulation.

        Parameters
        ----------
        bit_seq : NDArray[np.uint8]
            Input bit seqence.

        Returns
        -------
        bpsk_out_seq : NDArray[np.int8]
            Seqence after BPSK modulation (channel input signal).
        """

        size = bit_seq.size
        bpsk_out_seq = np.zeros(size, dtype=np.int8)

        for i in range(size):
            bpsk_out_seq[i] = 1 if bit_seq[i] == 0 else -1

        return bpsk_out_seq

bpsk(bit_seq)

Performs BPSK modulation.

Parameters:

Name Type Description Default
bit_seq NDArray[uint8]

Input bit seqence.

 required

Returns:

Name Type Description
bpsk_out_seq NDArray[int8]

Seqence after BPSK modulation (channel input signal).
Source code in src\modulator.py 
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def bpsk(self, bit_seq: NDArray[np.uint8]) -> NDArray[np.int8]:
    """
    Performs BPSK modulation.

    Parameters
    ----------
    bit_seq : NDArray[np.uint8]
        Input bit seqence.

    Returns
    -------
    bpsk_out_seq : NDArray[np.int8]
        Seqence after BPSK modulation (channel input signal).
    """

    size = bit_seq.size
    bpsk_out_seq = np.zeros(size, dtype=np.int8)

    for i in range(size):
        bpsk_out_seq[i] = 1 if bit_seq[i] == 0 else -1

    return bpsk_out_seq