pulse amplitude modulation-frequency modulation

The ultra wideband ( UWB) radio models have been introduced with pulse-position-modulation ( PPM), on-off-keying ( OOK) and pulse-amplitude-modulation ( PAM).

分析了超宽带冲激无线电的脉位调制、通断键控调制和脉冲幅度调制的信号模型。

Change the inverter output voltage or output current are two kinds of different ways, namely, PAM pulse amplitude modulation control and PWM control pulse width modulation.

改变变频器的输出电压或输出电流有二种不同的方法，即PAM脉冲幅值调制控制和PWM脉冲宽度调制控。

TACAN beacon transmits pulse amplitude modulation signals in all direction, including bearing and distance information relative to the beacon.

塔康信标台全向发射脉冲幅度调制信号，隐含空中目标相对于信标台的方位和距离信息。

This paper derives the cross correlation function of baseband PAM ( Pulse Amplitude Modulation) signal, and shows that the cross correlation function includes timing information.

本文推导了基带PAM（脉冲幅度调制）信号的互相关函数，指出基带PAM信号的互相关函数中含有位同步信息，以此为依据得到了一种位同步检测算法。

Second, the paper analyzes the single-pulse modulation which includes pulse amplitude modulation, on-off keying modulation, pulse position modulation and two-phase modulation.

其次分析了单脉冲调制中的脉冲幅度调制、开关键控调制、脉冲位置调制和二相调制。