[演習1-3] 'Signal Source' をもう一つ追加し違う波形も表示する
Signal Source -> Right click ->Properties -> Frequency: 150
Signal Source -> Right click ->Properties -> Output Type -> Float
QT GUI Time Sink -> Right click ->Properties -> Number of Inputs: 2
QT GUI Time Sink -> Right click ->Properties -> Output Type -> Float
Save the current flow graph as (sutudy_1_0.grc)