摘要
VerilogHDL是EDA领域中电路设计必不可少的工具,利用它设计数字滤波器的最大优点就是可使设计更加灵活,它具有良好的结构化设计和行为建模能力。首先利用VerilogHDL对小波滤波器复杂算法电路建立结构化模型,然后根据改进的分布式算法(是一项重要的FPGA技术)和滤波电路结构图对小波滤波器进行行为建模。最后,利用QuartusⅡ内部的波形仿真软件进行波形仿真和验证,并根据仿真结果对模型进行修改以达到设计要求。
VerilogHDL is a necessary tool in the area of EDA circuit design,the biggest advantage to design a digital filter by what is to make design more flexible. Verilog HDL has a good structured design and behavioral modeling capability. First of all,in this wavelet filter,the structure model of the complex algorithm circuit is created in Verilog HDL. Then, the behavior modeling with a combination of improved Distributed Arithmetic（DA） （an important FPGA technology）and structure diagram of filter circuit follows modeling. Finally, the design is verified and simulated by the QuartuslⅡ s integrated waveform simulator. Based on the simulation results, the model can be modified in order to meet the design requirements.
出处
《现代电子技术》
2009年第3期119-121,126,共4页
Modern Electronics Technique
