基于定点DSP及AIC23的混沌信号源设计  

Design of Chaotic Signal Source based on Fixed-point DSP and AIC23

作　　者：舒秀发[1] 张新国[1] 徐冬亮[1] 朱雪丰[1] 

机构地区：[1]兰州大学信息科学与工程学院,甘肃兰州730000

出　　处：《微计算机信息》2009年第8期17-18,121,共3页Control & Automation

基　　金：基金申请人:张新国;项目名称:混沌电路保密通信系统;基金颁发部门:甘肃省科委(3ZS041-A25-017)

摘　　要：本文针对求解混沌方程的数值计算对精度和动态范围都有比较高的要求,提出了在定点DSP TMS320VC5402上实现浮点运算并通过TLV320AIC23接口芯片同时输出两路混沌信号的混沌信号源设计方案,给出了硬件和软件设计,并用DSP的汇编程序进行了实验验证。Aimed at the high request of precision and dynamic range calculate the chaos equation,the design of chaotic signal source by float calculation on fixed-point DSP TMS320VC5402 and two chaotic signal outputs through interface chip AIC23 synchronously is proposed in this paper.The design of hardware and software is provided,and the experiment is also given by assembler.

关 键 词：定点DSP AIC23芯片 混沌信号 

分 类 号：TN74[电子电信—电路与系统]