H-infinity optimal fractional delay filter by Masaaki Nagahara

A code for designing H-infinity optimal fractional delay filters (fractional delay, fractional delay filt..., signal processing)

fdf_hinf(F, D, T)

QPSK Reconfigurable Digital Receiver with timing synchronization by Eric Silva

fractional delay in the channel is fixed in the block time synchronization of the receiver. (fractional delay, timing synchronizatio..., gardner detector)

QPSKFractionalDelay1.mdl

PSK31 Model with Symbol Timing and Carrier Recovery by Dick Benson

Updated version of PSK31 communication standard that is now R2009B-R2012A compliant. (timing recovery, fec, pll)

[bitstream,char_table]=make_bits(msg)

[sout,char_table]=load_alpha()

message=read_text(file_name)

Carrier & Symbol Timing Recovery by Dick Benson

This model implements a contemporary symbol timing recovery scheme. (carrier, qam, timing recovery)

timing_recovery_1

timing_recovery_2Q

Hybrid Filter Banks with Fractional Delays: Minimax Design and Applications to Multichannel Sampling by Ha Nguyen

Implementation and demo of a hybrid FB with fractional delays (h_infty optimization, filter design, fractional delay)

Analog2Digital(Ak, Bk, Ck, Dk)

Digital2Analog(Ap, Bp, Cp, Dp)

IntDelayOp(m)