3 from gnuradio import gr
4 from gnuradio.qtgui import qtgui
6 class my_top_block(gr.top_block):
8 gr.top_block.__init__(self)
12 src1 = gr.sig_source_c(1, gr.GR_SIN_WAVE, 0.1, 0.01, 0)
13 src2 = gr.sig_source_c(1, gr.GR_SIN_WAVE, 0.015, 0.01, 0)
15 thr = gr.throttle(gr.sizeof_gr_complex, 20*fftsize)
16 self.snk = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS, -0.5, 0.5)
18 self.connect(src1, (src,0))
19 self.connect(src2, (src,1))
20 self.connect(src, thr, self.snk)
22 if __name__ == "__main__":