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| 适用于无人机图像传输的位同步技术 | |
| 引用本文： | 熊小军,梁海龙,赵叶星.适用于无人机图像传输的位同步技术[J].无线电工程,2010,40(2):13-15. |
| 作者姓名： | 熊小军 梁海龙 赵叶星 |
| 作者单位： | 1. 北京航空航天大学,无人驾驶飞行器设计研究所,北京,100191 2. 北京航空航天大学,电子信息工程学院,北京,100191 3. 北京海格神州通信技术有限公司,北京,100191 |
| 摘 要： | 对利用Farrow内插滤波、Gardner算法、Ted定时误差算法实现的位同步技术进行研究与仿真分析。该方法可用于实现全数字的接收机,其结构包括定时误差检测、插值滤波器、环路滤波器和插值控制电路等。在无人机数据链常用的pi/4-QPSK调制的仿真系统中,通过仿真可以得出利用该方法实现的位同步技术具有良好的性能,可以满足无人机图像传输数据链路的要求。 |
| 关 键 词： | 位同步 无人机下行数据链 Gardner算法 |
Research on Bit Synchronization Technology for UAV Image Transmission |
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| XIONG Xiao-jun,LIANG Hai-long,ZHAO Ye-xing.Research on Bit Synchronization Technology for UAV Image Transmission[J].Radio Engineering of China,2010,40(2):13-15. | |
| Authors: | XIONG Xiao-jun LIANG Hai-long ZHAO Ye-xing |
| Affiliation: | XIONG Xiao-jun1,LIANG Hai-long2,ZHAO Ye-xing3 (1.School of Electronics , Information Engineering,Beihang University,Beijing 100191,China,2.Research Institute of Unmanned Aerial Vehicle,3.Beijing Haige Shenzhou Communication Technology CO.LDT,China) |
| Abstract: | In this paper,we research,simulate and analyze the bit synchronization technology which is implemented by using Farrow interpolation filter and Gardner Algorithm and Ted timing error-algorithm.The method can be used to full-digital receiver,and its structure composition includes timing error detector,interpolation filter,loop filter,interpolation controller circuit,etc.In the simulation system design of pi/4-QPSK modulation used by UAV data links,the simulation results show that the bit synchronization tech... |
| Keywords: | bit synchronization UAV data downlink Gardner algorithm |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |
