The waveform generator is composed by DSP and quadrature digital upconverter ( QDU ) . DSP is used as main controller to decide the modulation mode and output waveform of QDU .
波形产生器主要由DSP和数字上变频器构成，DSP作为主控制器设定数字上变频器的调制方式和输出波形。
QDU