letter rack是什么意思

用法例句

Research and Dovelopment of Intelligent Information Outlet based on GSM Noto Platform;

基于GSM短信平台的智能信息插座的研发

It summarizes the channel estimation and equalization algorithm suitable for COFDM system and easy to be implemented with FPGA through comparing and analyzing varieties of channel interpolation methods.

以欧洲数字视频地面广播(DVB-T)系统的调制方案为基础,以正交频分复用OFDM为核心技术,通过对基于导频信号的信道估计方法中各种信道内插算法的仿真对比分析,总结出适用于COFDM系统、易于FPGA实现的信道估计与均衡方法。