›› 2012, Vol. 25 ›› Issue (3): 17-.

• 论文 • 上一篇    下一篇

单比特数字接收机中补偿矩阵的应用

杨涵   

  1. (西安电子科技大学 电子工程学院,陕西 西安 710071)
  • 出版日期:2012-03-15 发布日期:2012-03-21
  • 作者简介:杨涵(1988—),男,硕士研究生。研究方向:电路与系统。

Application of Compensation Matrix in the Monobit Digital Receiver

 YANG Han   

  1. (School of Electronic Engineering,Xidian University,Xi'an 710071,China)
  • Online:2012-03-15 Published:2012-03-21

摘要:

相比传统DFT接收机,单比特数字接收机由于采用了低比特A/D量化和简化的傅里叶变换过程,具有大带宽、运算速度快等优点。但双信号瞬时动态范围偏小限制了单比特接收机的应用。文中在不增加量化位数的情况下,讨论了运用补偿矩阵来提高双信号动态范围的方法。仿真表明,该方法能有效提高双信号动态范围。

关键词: 单比特, 补偿矩阵, 动态范围

Abstract:

Compared with the traditional DFT receiver,the monobit digital receiver can achieve large wideband and high processing speed by adopting low bit A/D and simplifying the course of Fourier transformation.However,a problem of low two-signal instantaneous dynamic range has occurred for the monobit digital receiver.In this paper,we adopt a compensation technique to improve instantaneous dynamic range without more quantization precision.Simulation results show that this technique can enlarge the dual signal dynamic range.

Key words: monobit;compensation matrix;dynamic range

中图分类号: 

  • TN851