信号噪音比
xìn​hào​zào​yīn​bǐ

signal-to-noise ratio

  1. 信号 信號 xìn​hào noun
    signal (telecommunications)
    in telecommunications, an electrical current, voltage, or radio wave that carries information
  2. 噪音 zào​yīn
    static
    unwanted interference or static in a signal, circuit, or communication system
  3. 比 bǐ preposition
    ratio
    The relationship between two amounts showing the number of times one value contains or is contained within the other.