摘要
DSP作为数字信号处理平台,随性能的不断提高其应用越来越广泛。TI公司的C64XX系列,主频达到1.1 GHz,处理速度达到9 000 MIPS。基于单片C6416的DSP处理系统可以实现导航雷达中目标杂波的恒虚警处理、目标量化检测与跟踪,充分结合DSP的特点,采用DSP/BIOS实时内核,根据功能的不同采用硬件中断、软件中断和任务的方式实现功能的分配和调度,可以在24 n mile的覆盖范围内,每周4 096个方位。A/D采集点距离分辨率3 m的条件下,检测和跟踪200个目标,跟踪算法选用α-β滤波算法。
As a digital signal processing platform,DSP is used more and more widely with its performance improvement. The main frequency of C64XX of TI Company can reach 1.1 GHz while its processing speed can reach up to 9 000 MIPS. The DSP processing system based on single board of C6416 can realize the CFAR,target quantization inspection and track for target clutter in radar naviga- tion. Using DSP/BIOS real time kernel and fully combining the features of DSP,this method can use such three modes as hardware interrupt and software interrupt and task to implement function assignment and dispatching according to different functions. Within the coverage range of 24 nautical miles,it can detect and track 200 targets while there are 4 096 azimuths for each circle and the distance resolution is 6 meters. The α-β filtering algorithm is used as tracking algorithm.
出处
《无线电工程》
2012年第6期32-34,38,共4页
Radio Engineering
