Figure 1

Top row: The three original sources (left) and PLFs between them (right). Bottom row: The three mixed signals (left) and PLFs between them (right). On the right column, the area of the square in position (i,j) is proportional to the PLF between the signals i and j. Therefore, large squares represent PLFs close to 1, while small squares represent values close to zero. In this example, the second and third sources have phase lags of$\frac{\Pi }{6}$ and$\frac{\Pi }{3}$ radians relative to the first source, respectively.