摘要
为适应当前无线通信强抗干扰能力、高数据传输速率的需求,设计并实现了一种适用于直扩/跳频(DS/FH)混合扩频通信系统在高速数据传输状态下的跳频捕获方法,并根据应用需要实现了高数据率下的编码扩频技术和高速直接数字频率合成技术,完成了系统的硬件实现与调试。实际测试表明,系统在一定的扩频增益和3000跳/秒的跳频速率下,传输数据速率大于1 Mb/s,满足工程应用需求。
To meet the demand for anti-interference capability and high data rate of wireless communications,a FH capture method suitable for DS/FH hybrid communication system under the high-speed data transmission is designed and implemented.According to application needs,the paper gives an implementation of coded-spread spectrum and high-speed direct digital synthesis（DDS） under high data rate,completes hardware implementation and debugging of the system.Test shows that the system at a transmission data rate greater than 1Mbps in 3000 hops/s,could meet the engineering application requirements.
出处
《通信技术》
2010年第12期32-34,共3页
Communications Technology
