The emphasis in this composition is windshear signal processing technology . some processing methods are introduced in detail , they are suppressing clutter , extracting windshear parameters , computing hazard factor and etc . . the signal processing simulation is accomplished on computer , it includes simulating microburst echo signal , simulating ground clutter echo signal , filtering clutter , estimating wind speed and calculating hazard factor . from the simulated results , a dangerous windshear is detected 5o ~ 78s , so the radar performance meets the certification requirements proposed by faa and nasa 本文重点研讨了风切变信号处理技术，对杂波抑制技术、风切变特征参数提取技术及危险因子计算方法等内容进行了深入的研究，并进行了计算机模拟，包括微下击暴流回波信号模拟、地杂波回波信号模拟、杂波抑制、风速提取和危险因子计算。
Typical variable windfield models , such as large scale steady wind flow , downburst , turbulence , airflow over mountain , are developed and their physical specialities are discussed . furthermore , simplex modules are integrated to form complex model . facticity and application technique to flight simulation are discussed 讨论了以下几种典型风场模型(大尺度均值风模型、 dryden紊流模型、微下击暴流模型和过山气流模型)的物理特征与建模方法，并对单一模型进行复合，建立变化风场模型库，最后讨论了各种模型的真实性与如何应用于飞行仿真； 3
