使用数值仿真和电路实验的方法,对Q PSK ( quadrature phase shift key ing)和OQ PSK ( off2 set quadrature phase shift keying)调制信号通过功率放大器后的频谱扩散问题进行了探讨。-Numerical simulation and circuit experiment using the method of Q PSK (quadrature phase shift key ing) and OQ PSK (off