waf

• This dissertation is devoted to systemic research the two projects encountered in wide - band homing in theory and from experiment . firstly , the theories of wide - band signal processing and wavelet are introduced in detail . three involved concepts of wide - band signal / system are three - type conditions , echo model and wide - band ambiguity function ( waf )
  本论文以小波变换为数学工具，力图从理论和实验两方面系统地研究在宽频带自导中遇到的两个问题：畸变信道的信号检测和水下目标的特征提取与识别。