fosphor sink (GLFW) fosphor_glfw_sink_c Instrumentation from gnuradio import fosphor from gnuradio.fft import window fosphor.glfw_sink_c() self.$(id).set_fft_window($wintype) self.$(id).set_frequency_range($freq_center, $freq_span) set_fft_window($wintype) set_frequency_range($freq_center, $freq_span) Window Type wintype window.WIN_BLACKMAN_hARRIS int part Blackman-harris window.WIN_BLACKMAN_hARRIS Hamming window.WIN_HAMMING Hann window.WIN_HANN Blackman window.WIN_BLACKMAN Rectangular window.WIN_RECTANGULAR Kaiser window.WIN_KAISER Center Frequency (Hz) freq_center 0 real Span (Hz) freq_span samp_rate real in complex