In this paper , the digital image real - time processing system was a very important part of fed driving circuit system . altera fpga chip was used to complete operation on reading and writing and timing control of fed image data . the image process algorithms mainly used gray - level transformation in the theory of image enhancement , and the algorithm realized luminance non - uniformity control , gray - level non - linear correction and automatic power control for fed 本文设计的基于fpga技术的数字图像实时处理系统是fed驱动系统中的重要组成部分,其核心部分采用了altera公司的fpga芯片,实现对fed图像数据读、写操作和时序控制等,而图像处理的算法部分主要是利用图像增强技术理论中的灰度变换方法,实现对fed的亮度非均匀性控制、灰度非线性校正以及fed的自动功率控制。
The thesis analyses the principles of the physical layer and data link layer of gsm system and the signal processing theories of gsm under unauthorized circumstances . computer simulations are given to show the feasibility of these theories . the design of real - time processing system of gsm signal is introduced , which includes a real - time processing circuit , a dsp software system and a computer monitor platform 本文分析了gsm系统无线接口的物理层和数据链路层的工作原理；详细阐述了非正常接入条件下的gsm信号处理理论，并给出仿真结果；介绍了gsm信号实时处理系统的设计，包括实时处理电路和dsp软件系统的开发，以及主机监控平台的设计。
The key to the fft algorithm is the design of butterfly computation and that of the address logic . the whole schema is designed in the top - down design flow and described in the vhsic hardware description language ( vhdl ) , basing on these , we do our research on reconfigurable technology . the result indicates that the data processing ability of reconfigurable system improved greatly 结果表明，可重构系统在数据处理能力方面比以往的系统有了很大的提高，本设计实现的fft重构处理器可工作于60mhz下，完成一个16点fft需要132个主时钟周期，完成32点fft需要324个主时钟周期，而且具有一定可重构性，可以方便地将其运算点数进行扩展，或将其他的图像处理算法在实时处理系统中实现。
