短語詞組短語quadrature differential phase shift keying 四相差分相移鍵控QPSK -Quadrature Reference Phase Shift Keying 四相相移鍵控differential quadrature phase shift keying 差分四相相移鍵控;差動正交相位變換調(diào)制;相移鍵控;移相鍵控aeronautical quadrature phase shift keying 航空四相相移鍵控offset quadrature phase shift keying 偏移四相移相鍵控;偏移正交相移鍵控;正交移相鍵控失調(diào)Quadrature Phase Shift Keying QPSK 數(shù)字通信keyed quadrature phase shift keying 交錯正交相移鍵控DPSKdifferential quadrature phase shift keying 差動正交相位變換鍵控QPSK Quadrature Phase Shift Keying 正交相移鍵控 返回 quadrature phase shift keying