M-sequence

M-sequenceMaximum length sequenceMLS、最大長度序列)是在基本的通訊電路設計中,所經常被利用到的一個伪隨機數位訊號(Pseudo Random Sequence),其主要的方式是利用第一位與其他位暫存器的輸出值做XOR來設計其第一位暫存器的輸入值。

參考文獻编辑

外部連結编辑

  • Bristow-Johnson, Robert. A Little MLS Tutorial. [2013-12-14]. (原始内容存档于2020-09-29). —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). [2013-12-14]. (原始内容存档 (PDF)于2019-08-19).  —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. [2013-12-14]. (原始内容存档于2020-05-09).  ]
  • Linear Feedback Shift Registers. New Wave Instruments. 2005 [2013-12-14]. (原始内容存档于2018-10-01). —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 [2013-12-14]. V1.4. (原始内容存档于2015-09-24).  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 [2013-12-14]. XAPP052 v1.1. (原始内容存档 (PDF)于2021-01-25). —Implementing lfsr's in FPGAs includes listing of taps for 3 to 168 bits