噪声中的信号检测主要介绍信号检测的统计理论的原理与应用。着重介绍在实践中特别有用的那些原理，并应用它们来解决数字通信、雷达以及声呐中遇到的检测问题。-Noise in the signal detection introduces the statistical theory of signal detection theory and application. Focuses particularly useful in practice those principles and apply them to solve the digital communications, radar and sonar detection problems encountered.