4D指四个数据符（2比特），PAM5表示分5个层级的脉冲幅度调制。
The 4D means four data symbols (two bits), the PAM5 is Pulse Amplitude Modulation with five signal levels.
详细论述了多电平PAM（脉冲幅度调制）系统的最佳均衡理论。
The optimum equalization theory for overcoming the intersymbol interferences (ISI) in multi-level pulse amplitude modulation (PAM) systems is establishead.
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。
The ultra wideband (UWB) radio models have been introduced with pulse-position-modulation (PPM), on-off-keying (OOK) and pulse-amplitude-modulation (PAM).
脉冲幅度调制波（PAM）是脉冲调制的一种形式，在通信和控制系统中得到广泛应用。
Pulse amplitude modulation (PAM) is one form of the ways, in which it is widely used in the system of communication and control.
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。
TACAN beacon transmits pulse amplitude modulation signals in all direction, including bearing and distance information relative to the beacon.
脉冲位置幅度调制(PPAM)是一种将脉冲位置调制(PPM)和脉冲幅度调制(PAM)结合到一起的新型调制方式。
Pulse position amplitude modulation (PPAM) is a new modulation scheme that combines pulse position modulation (PPM) and pulse amplitude modulation (PAM) together.
文章分析此类信道模型下脉冲位置调制和脉冲幅度调制的性能，结果表明，在频率依赖性信道中PAM调制优于PPM调制。
This paper has analyzed the performance of PPM and PAM under frequency dependence channel model, the results have shown that the PAM is better than the PPM in frequency dependence channel.
分析了UWB室内衰落信道模型下脉冲幅度位置混合调制（PAPM）最优接收机性能。
The optimum receiver performance of a hybrid pulse phase and position modulation(PAPM) over ultra-wideband(UWB) indoor fading channel model is analyzed.
文章介绍一种将PAM脉冲幅度编码转换为PW M脉宽调制编码的方法和电路，转换过程使用数字方法实现。
This article relates to a method and circuit for the code translation from PAM to PWM. The process is digital.
文章介绍一种将PAM脉冲幅度编码转换为PW M脉宽调制编码的方法和电路，转换过程使用数字方法实现。
This article relates to a method and circuit for the code translation from PAM to PWM. The process is digital.
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