If the "0" and "1" to change the carrier phase, called phase shift keying.
如果“0”和“1”来改变载波的相位，则称为相移键控。
2
The solution for linking twice sampling cycles, enhancing resolution of measurement of rotating speed, isolating and processing keyingphase signal, are investigated.
探讨了两次采样循环之间的衔接、提高转速测量分辨率、键相位信号的隔离和预处理等问题的解决方案。
3
Compared to current phase shift keying (PSK) modulation by a code, there is a further modulation by a sub-carrier.