说明：  GNU Radio 是一个软件无线电软件，与便宜的（相对于大多数软件无线电板卡 来说）USRP 结合在一起，就构成了一个非常灵活的开发平台，让我们可以像 开发小软件一样，轻松的开发无线设备。因为它的开放性和低成本，GNU Radio 和USRP 现在已经在中国和全世界拥有越来越多的用户。
(GNU Radio is a software-defined radio software, and inexpensive (compared to most software radio board Speaking) USRP together, they constitute a very flexible development platform, so that we can be like Development of small software, easy development of wireless devices. Because of its openness and low cost, GNU Radio and USRP now have more and more users in China and around the world.)