The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
The FPGA implementation of OFDM ranging radar in subway
Author(s): 
Pages: 87-91,99
Year: Issue:  3
Journal: Electronic Measurement Technology

Keyword:  subwayrangingsecondary radar;
Abstract: 随着城市中地铁的普及,其安全性受到广泛关注.提出了一种用于地铁的OFDM雷达测距系统以提高地铁的安全性.设计以Xilinx公司的Virtex5系列XC5VLX50T为核心,以ML505为FPGA硬件开发平台,以ISE13.4和Modelsim为软件平台,以AD9280为A/D转换芯片,以AD9708为D/A转换芯片.在硬件实现中运用了FFT算法以及Cordic算法.该系统基于应答式雷达原理,雷达波形采用OFDM信号,通过相位测距法计算列车间距离.系统基带部分的测试结果显示系统误差为2 m,具有较高的实用价值.
Related Articles
No related articles found