搜索资源列表
-
1下载:
通过分析8PSK 调制方式的载波恢复、定时恢复算法, 提出了一种适用于新一代数字卫星电视标准DVB S2
的全数字解调算法, 改进了相位频率检测( PFD) 算法以适合于8PSK 解调. 载波恢复采用频率检测( FD) 和相位频率
检测相结合的结构, 跟踪范围超过1 倍符号率. 采用Gardner TED 算法进行定时恢复.-By analyzing the 8PSK modulation carrier recovery, timing recovery algori
-
-
0下载:
This paper shows the schemes for interpolation filters, loop filters in Gardner model for perform Timing Recovery in Digital Communications
-
-
1下载:
摘 要:定时恢复是数字接收机中的关键技术,基于某特定LEO低轨卫星通信系统应用,重点研究了异步时钟采
样恢复法的工作原理,提出了一种改进的Gardner定时误差检测算法,给出了整个定时环路的具体实现方案,并针对其
性能进行了分析。仿真结果表明,在大多普勒加速度的卫星信道环境下,该方案能够满足系统设计的要求,且实现结
构简单、优化,可大幅降低算法复杂度,在较高信噪比的情况下,具有更加优化的性能。
-Abstract: The timing recovery is a key tec
-
-
0下载:
Matched filtering and timing recovery in digital receivers 0901Litwin32
-
-
0下载:
This paper presents the simulation performance of the all-digital symbol timing recovery using the Gardner Timing Error Detector over π/4-DQPSK modulation. The open loop statistics, the S-curve and the normalized timing error variance, were investiga
-
-
0下载:
Digital realization of timing recovery circuits for digital data transmission are of growing interest, in this paper, we present a new digital algorithm which can be implemented very efficiently also at high data rates.
-
-
0下载:
High Speed All Digital Symbol Timing Recovery Based on FPGA
-
-
0下载:
本文设计的数字分接器是由帧同步提取模块、位同步提取模块、帧同步移位和时序信号恢复模块、分路器模块、串/并转换电路模块五部分组成-Digital tapping machine is designed in this paper by the frame synchronization extraction module, a synchronous extraction module, the displacement of frame synchronization and timing si
-
-
0下载:
Matched filtering and timing recovery in digital receivers
-