Columns 126 through 150
0 1 1 0 0 0 1 0 0 1 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0
Columns 151 through 175
0 0 1 1 1 0 0 0 1 1 0 0 0 1 0 1 0 1 0 0 0 1 0 1 0
Columns 176 through 200
1 1 0 1 0 1 0 0 0 0 1 0 0 1 1 1 0 0 1 0 1 0 1 1 1
Columns 201 through 225
0 1 1 0 0 1 1 1 0 0 0 1 0 0 1 1 0 1 1 1 0 1 1 0 1
Columns 226 through 250
1 0 0 1 1 0 0 1 1 0 1 0 0 0 1 0 1 1 1 0 1 0 1 1 1
Columns 251 through 275
1 1 1 1 0 1 0 1 1 0 0 0 1 1 0 0 1 1 1 0 1 0 0 1 1
Columns 276 through 300
0 1 1 0 0 0 0 1 0 1 1 1 0 0 0 0 0 0 0 1 0 0 1 0 0
Columns 301 through 325
1 0 1 0 0 1 1 1 1 1 1 0 0 1 1 1 1 1 0 1 1 1 1 1 0
Columns 326 through 350
0 0 1 1 0 1 0 0 1 0 1 1
1 1 1 0 0 1 1 0 1 0 1 0 0
Columns 351 through 375
1 0 0 1 1 0 1 0 1 1 0 0 1 1 0 1 1 0 1 0 1 0 1 0 1
Columns 376 through 400
0 1 1 1 0 0 1 1 1 0 0 1 1 1 1 0 0 0 0 0 0 1 1 1 1
Columns 401 through 425
0 1 0 0 1 0 1 0 1 0 0 1 1 1 0 1 0 1 1 0 1 0 0 0 1
Columns 426 through 450
1 1 0 0 1 0 0 0 0 0 0 1 1 0 1 1 0 1 1 1 1 0 1 0 0
Columns 451 through 475
0 0 0 1 0 1 0 0 0 0 1 1 0 0 0 0 1 0 0 1 0 1 1 1 0
Columns 476 through 500
1 1 1 0 0 0 0 1 0 1 0 1 1 1 1 1 0 1 1 0 1 0 1 1 1
Columns 501 through 525
1 0 1 0 1 0 1 1 0 1 1 1 1 1 1 1 1 1 1 0 0 1 0 1 0
Columns 526 through 550
0 1 0 1 0 0 0 1 0 0 0 0 0 1 0 0 0 1 1 1 0 1 1 1 1
Columns 551 through 575
1 1 0 1 0 0 1 1 1 1 0 1 1 1 0 0 1 0 0 1 0 1 1 0 0
Columns 576 through 600
0 0 0 1 0 1 1 0 1 1 0 0 0 1 1 1 0 0 0 0 1 1 1 1 0
Columns 601 through 625
0 0 1 0 1 0 0 0 1 1 0 1 1 1 0 0 1 1 0 0 1 0 0 0 1
Columns 626 through 650
1 1 1 1 0 0 0 0 1 1 0 1 1 1 1 0 0 0 1 1 1 1 1 1 0
Columns 651 through 675
1 1 0 0 0 0 0 0 0 0 0 1 0 1 1 1 1 0 1 1 1 1 0 0 1
Columns 676 through 700
1 0 0 0 0 1 1 0 0 1 0 0 1 1 0 0 0 0 0 1 1 1 0 1 0
Columns 701 through 725
0 0 1 1 0 0 1 0 1 1 0 1 1 1 0 1 0 0 0 0 1 1 1 0 1
Columns 726 through 750
1 0 1 0 0 1 0 0 1 0 0 0 1 0 0 0 1 0 0 1 1 1 1 0 0
Columns 751 through 775
1 0 1 1 0 0 1 0 1 0 1 0
1 1 0 0 1 0 0 0 0 1 0 0 0
Columns 776 through 800
1 0 1 1 0 0 0 1 0 0 1 0 0 0 0 0 1 1 0 1 0 0 0 0 0
Columns 801 through 825
0 0 0 1 1 1 0 0 0 1 1 0 0 0 1 0 1 0 1 0 0 0 1 0 1
Columns 826 through 850
0 1 1 0 1 0 1 0 0 0 0 1 0 0 1 1 1 0 0 1 0 1 0 1 1
Columns 851 through 875
1 0 1 1 0 0 1 1 1 0 0 0 1 0 0 1 1 0 1 1 1 0 1 1 0
Columns 876 through 900
1 1 0 0 1 1 0 0 1 1 0 1 0 0 0 1 0 1 1 1 0 1 0 1 1
Columns 901 through 925
1 1 1 1 1 0 1 0 1 1 0 0 0 1 1 0 0 1 1 1 0 1 0 0 1
Columns 926 through 950
1 0 1 1 0 0 0 0 1 0 1 1 1 0 0 0 0 0 0 0 1 0 0 1 0
Columns 951 through 975
0 1 0 1 0 0 1 1 1 1 1 1 0 0 1 1 1 1 1 0 1 1 1 1 1
Columns 976 through 1000
0 0 0 1 1 0 1 0 0 1 0 1 1 1 1 1 0 0 1 1 0 1 0 1 0
Columns 1001 through 1023
0 1 0 0 1 1 0 1 0 1 1 0 0 1 1 0 1 1 0 1 0 1 0
由以上仿真结果可以看出:对与不同的初始状态,输出序列的初始位置就不同。移位寄存器的反馈逻辑决定是否产生m序列。起始状态仅仅决定序列的起始点,而不同的反馈系数产生不同的码序列。 该设计的序列相关性仿真结果及分析如图所示:
图(8) 序列a ,b 自相关,互相关
a =
1 0 1 1 1 1 1 0 0 0 b =
1 0 1 0 1 0 0 0 1 0 ans =
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