CONSTANTc_pfb_index:NATURAL:=g_sp/c_sdp_Q_fft;-- only read used WPFB unit out of range(c_sdp_P_pfb = 6)
CONSTANTc_subband_phase:REAL:=g_wg_phase;-- wanted subband phase in degrees = WG phase at sop
CONSTANTc_subband_phase_offset:REAL:=-90.0;-- WG with zero phase sinues yields subband with -90 degrees phase (negative Im, zero Re)
CONSTANTc_subband_phase_offset:REAL:=-90.0;-- WG with zero phase sinus yields subband with -90 degrees phase (negative Im, zero Re)
CONSTANTc_subband_weight_gain:REAL:=1.0;-- use default unit subband weights
CONSTANTc_subband_weight_phase:REAL:=0.0;-- use default unit subband weights
CONSTANTc_exp_subband_sp_ampl_ratio:REAL:=8.0*c_sdp_wpfb_fir_filter_dc_gain;-- ~= 8 for unit FIR DC gain, depends on internal WPFB quantization and FIR coefficients