Проектирование кабельных линий связи. Воронков А.А - 19 стр.

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19
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4.0
4.1
4.2
4.3
4.4
4.5
4.6
4.8
5.0
5.2
5.4
5.6
5.8
6.0
6.2
6.4
6.8
7.0
7.4
7.8
8.0
9.0
10.0
0.351
0.385
0.420
0.456
0.492
0.529
0.566
0.603
0.640
0.678
0.715
0.752
0.789
0.826
0.863
0.899
0.971
1.043
1.114
1.184
1.254
1.324
1.394
1.463
1.533
1.673
1.743
1.884
2.024
2.094
2.446
2.799
0.425
0.444
0.463
0.481
0.499
0.516
0.533
0.550
0.567
0.584
0.601
0.618
0.635
0.652
0.669
0.686
0.720
0.755
0.790
0.825
0.861
0.896
0.932
0.967
1.003
1.073
1.109
1.180
1.251
1.287
1.464
1.641
0.362
0.376
0.388
0.400
0.416
0.420
0.430
0.440
0.450
0.460
0.466
0.474
0.484
0.490
0.509
0.505
0.516
0.530
0.540
0.550
0.558
0.566
0.575
0.582
0.590
0.602
0.608
0.620
0.630
0.634
0.655
0.670
0.830
0.814
0.798
0.782
0.766
0.749
0.733
0.717
0.720
0.688
0.671
0.657
0.643
0.629
0.616
0.603
0.579
0.556
0.535
0.516
0.498
0.481
0.461
0.445
0.436
0.412
0.400
0.379
0.360
0.351
0.313
0.282
kr>10
2 3
4
0
kr −
2 1
8
0
kr −
0750
2 2
0
kr
%4 &  R
, # 
%4! 1! ! (! &! 1 #1-
),  1 200    #. 4.4   2 3!
1<! #1. 
3.1     0.351          0.425               0.362                 0.830
3.2     0.385          0.444               0.376                 0.814
3.3     0.420          0.463               0.388                 0.798
3.4     0.456          0.481               0.400                 0.782
3.5     0.492          0.499               0.416                 0.766
3.6     0.529          0.516               0.420                 0.749
3.7     0.566          0.533               0.430                 0.733
3.8     0.603          0.550               0.440                 0.717
3.9     0.640          0.567               0.450                 0.720
4.0     0.678          0.584               0.460                 0.688
4.1     0.715          0.601               0.466                 0.671
4.2     0.752          0.618               0.474                 0.657
4.3     0.789          0.635               0.484                 0.643
4.4     0.826          0.652               0.490                 0.629
4.5     0.863          0.669               0.509                 0.616
4.6     0.899          0.686               0.505                 0.603
4.8     0.971          0.720               0.516                 0.579
5.0     1.043          0.755               0.530                 0.556
5.2     1.114          0.790               0.540                 0.535
5.4     1.184          0.825               0.550                 0.516
5.6     1.254          0.861               0.558                 0.498
5.8     1.324          0.896               0.566                 0.481
6.0     1.394          0.932               0.575                 0.461
6.2     1.463          0.967               0.582                 0.445
6.4     1.533          1.003               0.590                 0.436
6.8     1.673          1.073               0.602                 0.412
7.0     1.743          1.109               0.608                 0.400
7.4     1.884          1.180               0.620                 0.379
7.8     2.024          1.251               0.630                 0.360
8.0     2.094          1.287               0.634                 0.351
9.0     2.446          1.464               0.655                 0.313
10.0    2.799          1.641               0.670                 0.282
kr>10       2kr0 − 3         2kr0 − 1      0750                      2 2
              4                8                                      kr0


              %4                 &                       R , #
    %4 !        1        !           !(         !&          !               1       #    1-
 ), 1      200                                 # . 4.4                          2       3!
1 < !    #   1 .




                                          19

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