Tools
Browse all available tools
Modulation Constellation Mapper
BPSK/QPSK/16-QAM/64-QAM constellation mapping with Gray code visualization and RTL reference
PSK Modem Chain
BPSK/QPSK full chain simulation: RRC shaping → AWGN → Costas carrier sync → Gardner timing recovery → matched filter demod → BER curve
DSSS Direct-Sequence Spread Spectrum
PN/m-sequence generation → spread/despread → sliding correlation peak → processing gain visualization with RTL reference
Matched Filter / Correlator
Matched filter principle visualization: time-reversed conjugate → convolution output → correlation peak → SNR gain demo
Frequency Hopping FHSS Demo
Hop pattern generation · Slow/fast hop comparison · Processing gain & anti-jamming demo
FM/FSK Modulation Teaching Tool
NCO/Phase accumulator · FM/2FSK/CPFSK modulation & demodulation · Discriminator demo
Polar Code Codec Teaching
Polar code encoding (Kronecker product), channel polarization visualization, SC decoding demo & BER simulation
Convolutional Code + Viterbi Decoder Teaching
Convolutional encoding, Trellis diagram, Viterbi ACS decoding & error correction demo