中文摘要：

文件恢复是一种从被损坏或删除的文件中恢复有价值数据的方法，在保障信息安全、数据取证方面有很重要的应用价值。当重要数据丢失或损毁时，也可以挽救部分数据，使损失降到最低。FAT32是微软公司开发的著名文件系统，已经被广泛用于桌面计算机系统中。本文提出一种FAT32文件系统中的文件数据恢复方法，通过文件系统提供的特征信息进行关联比对，以恢复普通格式化和高级格式化所删除的文件。

英文摘要：

File recovery is a method to recover valuable data from broken or deleted files. It has important application value on informa- tion security and data forensics. When important data is lost or damaged, file recovery can rescue partial data, which makes the loss to a minimum. FAT32 is a famous Microsoft developed file system and has been widely used in desktop computers. This paper presents a method for FAT32 file system to recover data. This method is able to recover files deleted by both ordinary format and advanced format using characteristic information provided by file system.