quadrature amplitude modulation

短语

[计] 正交调幅

词形变化

quadrature amplitude modulations 复数 quadrature amplitude modulations

别名

QAM

释义与例句

n.
  1. 1.

    A modulation scheme that conveys data by applying amplitude modulation to two carrier waves at once. These two waves, usually sinusoids, are out of phase with each other by 90° and are thus called quadrature carriers. Commonly abbreviated QAM.

    正交幅度调制

    可数 不可数 媒体