... isotopic amplitude 释义：同位旋振幅 amplitude modulation system 释义：调幅系统,调幅制 amplitude time converter 释义：幅度时间变换器 ...
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digital amplitude modulation system 数字调幅系统
pulse phase modulation-amplitude modulation system 脉冲调相
quadrature amplitude modulation system 正交幅度调制系统
pulse-amplitude modulation switching system 脉幅调制交换机
amplitude modulation communication system [通信] 调幅通信系统
Pulse amplitude modulation (PAM) is one form of the ways, in which it is widely used in the system of communication and control.
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。
Quadrature Amplitude Modulation (QAM) is used to transfer signals by digital TV system based on DVB_C standard.
基于DVB_C标准的数字电视系统采用正交幅度调制(QAM)传送信号。
Furthermore, the expression of stationary bit error rate of system output corresponding to equiprobability quaternary pulse amplitude modulation (PAM) input signals was deduced.
给出了当输入信号为等概率的四进制脉冲幅值调制（PAM）时，系统输出理论渐近误码率计算公式。
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