Quadrature signal generator having digitally-controlled phase an
Quadrature transposition stage
Quadrature-quadrature phase shift keying
Quadrature-quadrature phase shift keying with constant envelope
Quality improvement for a digitally transmitted information sign
Quantization circuit for image data transmission system
Quantized coherent rake receiver
Quantizing apparatus
Quasi-synchronous detection and demodulation circuit and frequen
Quaternary signal regenerator