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M-sequence

2018-07-26 10:33:46     所属分类:电子工程

M-sequenceMaximum length sequenceMLS、最大长度序列)是在基本的通信电路设计中,所经常被利用到的一个虚拟随机数字信号《Pseudo Random Sequence》,其主要的方式是利用第一位与其他位寄存器的输出值做ex-or来设计其第一位寄存器的输入值。

引用文献

  • Golomb, Solomon W.; Guang Gong. Signal Design for Good Correlation: For Wireless Communication, Cryptography, and Radar. Cambridge University Press. 2005. ISBN 978-0-521-82104-9. 

外部链接

  • Bristow-Johnson, Robert. A Little MLS Tutorial. —Short on-line tutorial describing how MLS is used to obtain the impulse response of a linear time-invariant system. Also describes how nonlinearities in the system can show up as spurious spikes in the apparent impulse response.
  • Hee, Jens. Impulse response measurement using MLS (PDF).  —Paper describing MLS generation. Contains C-code for MLS generation using up to 18-tap-LFSRs and matching Hadamard transform for impulse response extraction.
  • Kerr, Wesley. Creation of M-Sequences. Geoffrey Aguirre Lab. University of Pennsylvania. 
  • Linear Feedback Shift Registers. New Wave Instruments. 2005. —Properties of maximal length sequences, and comprehensive feedback tables for maximal lengths from 7 to 16,777,215 (3 to 24 stages), and partial tables for lengths up to 4,294,967,295 (25 to 32 stages).
  • Schäfer, Magnus. Aachen Impulse Response Database. Institute of Communication Systems and Data Processing, RWTH Aachen University. October 2012. V1.4.  A(binaural)room impulse response database generated by means of maximum length sequences
  • Efficient Shift Registers, LFSR Counters, and Long Pseudo-Random Sequence Generators—Obsolete (PDF). Xilinx. July 1996. XAPP052 v1.1. —Implementing lfsr's in FPGAs includes listing of taps for 3 to 168 bits

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