Two-polarity video, i.e. video display that shows a pulse both above and below the base line. This type display is often associated with coherent detection.
Ivido ebonisa ebonisa ngamacala amabini, ngamanye amagama, yivido ebonisa uluvo oluphezulu nolongaphantsi kumgca weziko lamajoni. Olu hlobo lukholisa ukunxulunyaniswa nokulanda ekhondweni okunamatheleyo.