LFSR(线性反馈移位寄存器)用于产生可重复的伪随机序列PRBS,该电路由n级触发器和一些异或门组成。在每个时钟周期内,新的输入值会被反馈到LFSR内部各个触发器的输入端,输人值中的一部分来源于LFSR的输出端,另一部分由LFSR各输出端进行异或运算得到。
今天给大侠带来在FPGA设计中,产生LFSR伪随机数,话不多说,上货。 一、概述 通过一定的算法对事先选定的随机种子(seed)做一定的运算可以得到一组人工生成的周期序列,在这组序列中以相同的概率选取其中一个数字,该数字称作伪随机数,由于所选数字并不 ...
Editors Note: The first in a three-part introduction to Linear Feedback Shift Registers (LFSRs), this article is abstracted from the book Bebop to the Boolean Boogie (An Unconventional Guide to ...
Editors Note: This is the third and final portion of our introduction to Linear Feedback Shift Registers (LFSRs). These articles are abstracted from the book Bebop to the Boolean Boogie (An ...