32 std::vector<gr_complex> d_chirp_seq;
37 static const int STATE_SEARCH = 0;
38 static const int STATE_TRACKING = 1;
39 static const int NUM_SUBCHIRPS = 4;
43 gr_complex d_e_subchirp;
45 gr_complex correlate_current_subchirp(
const gr_complex* buf);
46 bool corr_over_threshold(gr_complex corrval);
47 int dist_to_next_subchirp();
48 int required_input_items();
51 #define dout false && std::cout
57 void forecast (
int noutput_items, gr_vector_int &ninput_items_required);
60 gr_vector_int &ninput_items,
61 gr_vector_const_void_star &input_items,
62 gr_vector_void_star &output_items);