вторая часть / практика / Пр5
.docx
Видим, что преобладающим является первое препятствие (h1_s > h2_s)
-
h1
h2
d1(H1)
d2(H1)
d1(H2)
d2(H2)
v1
v2
54.824
-3.891
6000.01
8000.056
1000.48
7000
2.023
-0.284
55.176
-5.574
6000.01
9000.051
2000.24
7000
1.987
-0.305
55.529
-6.804
6000.011
10000.047
3000.16
7000
1.96
-0.321
55.882
-7.718
6000.012
11000.043
4000.12
7000
1.938
-0.331
56.235
-8.401
6000.012
12000.041
5000.096
7000
1.921
-0.336
56.588
-8.912
6000.013
13000.038
6000.08
7000
1.909
-0.339
56.941
-9.29
6000.014
14000.036
7000.069
7000
1.899
-0.339
57.294
-9.563
6000.015
15000.035
8000.06
7000
1.891
-0.338
57.647
-9.753
6000.016
16000.033
9000.053
7000
1.886
-0.336
58
-9.875
6000.016
17000.032
10000.048
7000
1.882
-0.333
58.353
-9.941
6000.017
18000.031
11000.044
7000
1.88
-0.328
58.706
-9.961
6000.018
19000.03
12000.04
7000.001
1.879
-0.324
59.059
-9.941
6000.019
20000.029
13000.037
7000.001
1.879
-0.318
59.412
-9.888
6000.02
21000.028
14000.034
7000.001
1.879
-0.313
59.765
-9.807
6000.021
22000.027
15000.032
7000.001
1.881
-0.307
Величина потерь на дифракцию на клине
-
L1dif
L2dif
Ldif (H1, H2)
19.137
3.64
22.777
18.991
3.469
22.46
18.878
3.345
22.223
18.789
3.267
22.056
18.72
3.222
21.942
18.666
3.201
21.867
18.624
3.197
21.822
18.593
3.206
21.799
18.57
3.225
21.795
18.554
3.251
21.805
18.544
3.284
21.828
18.539
3.322
21.861
18.539
3.364
21.903
18.543
3.409
21.952
18.549
3.458
22.007
Расчеты для Н1 и Н3
-
Н1, м
Н3, м
h1, м
h3, м
h1_s
h3_s
54.824
41.824
18.966
7.324
132764.706
50738.9
55.176
42.176
18.776
8.31
140510.24
61064.338
55.529
42.529
18.654
9.217
148064.803
71393.892
55.882
42.882
18.588
10.059
155520.334
81718.269
56.235
43.235
18.569
10.846
162939.045
92034.8
56.588
43.588
18.588
11.588
170363.991
102344.523
56.941
43.941
18.641
12.291
177825.49
112650.493
57.294
44.294
18.723
12.961
185345.166
122956.796
57.647
44.647
18.829
13.602
192938.576
133267.961
58
45
18.957
14.217
200616.969
143588.614
58.353
45.353
19.103
14.811
208388.486
153923.28
58.706
45.706
19.266
15.386
216258.993
164276.27
59.059
46.059
19.443
15.943
224232.676
174651.623
59.412
46.412
19.634
16.486
232312.466
185053.081
59.765
46.765
19.836
17.015
240500.349
195484.088
Видим, что доминантное препятствие отсутствует.
-
d1(H1)
d2(H1)
d1(H3)
d2(H3)
v1
v3
6000.01
1000.084
1000.084
7000.02
1.4
0.535
6000.01
2000.042
2000.042
7000.021
1.048
0.455
6000.011
3000.028
3000.028
7000.022
0.901
0.435
6000.012
4000.021
4000.021
7000.023
0.82
0.431
6000.012
5000.017
5000.017
7000.024
0.768
0.434
6000.013
6000.014
6000.014
7000.025
0.733
0.441
6000.014
7000.012
7000.012
7000.026
0.709
0.449
6000.015
8000.011
8000.011
7000.027
0.691
0.458
6000.016
9000.009
9000.009
7000.028
0.678
0.468
6000.016
10000.008
10000.008
7000.029
0.669
0.479
6000.017
11000.008
11000.008
7000.03
0.663
0.489
6000.018
12000.007
12000.007
7000.031
0.658
0.5
6000.019
13000.006
13000.006
7000.032
0.656
0.511
6000.02
14000.006
14000.006
7000.033
0.655
0.522
6000.021
15000.006
15000.006
7000.034
0.655
0.532
Величина потерь на дифракцию на клине
-
L1dif
L3dif
Lс
Ldif (H1, H3)
16.267
10.568
0.202
26.835
14.23
9.925
0.376
24.154
13.273
9.755
0.527
23.028
12.71
9.724
0.66
22.434
12.342
9.75
0.777
22.092
12.088
9.804
0.881
21.891
11.906
9.873
0.975
21.778
11.773
9.95
1.06
21.723
11.677
10.032
1.136
21.709
11.608
10.116
1.206
21.724
11.559
10.202
1.27
21.761
11.527
10.288
1.329
21.815
11.508
10.375
1.383
21.883
11.5
10.461
1.433
21.961
11.501
10.546
1.48
22.047
Для заданных частоты f и расстояний a и b рассчитать и построить графики зависимости величины потерь на дифракцию на клине в дБ от расстояния c (диапазон 1–15 км, точки через 1 км) для каждой из пар высот: 1) H1 и H2; 2) H1 и H3. Графики строить на одном рисунке.
Расчеты для Н1 и Н2
-
Н1, м
Н2, м
h1, м
h2, м
h1_s
h2_s
52.706
21.706
22.956
-5.669
60735.556
-19638.4
53.059
22.059
21.725
-7.163
81289.341
-30391.727
53.412
22.412
20.812
-8.288
95371.487
-40603.895
53.765
22.765
20.128
-9.144
106509.176
-50085.86
54.118
23.118
19.618
-9.799
116059.565
-58794.118
54.471
23.471
19.24
-10.299
124688.278
-66742.832
54.824
23.824
18.966
-10.676
132764.706
-73968.758
55.176
24.176
18.776
-10.957
140510.24
-80516.169
55.529
24.529
18.654
-11.158
148064.803
-86430.18
55.882
24.882
18.588
-11.294
155520.334
-91753.846
56.235
25.235
18.569
-11.376
162939.045
-96527.008
56.588
25.588
18.588
-11.412
170363.991
-100785.977
56.941
25.941
18.641
-11.409
177825.49
-104563.595
57.294
26.294
18.723
-11.373
185345.166
-107889.473
57.647
26.647
18.829
-11.307
192938.576
-110790.29
Видим, что преобладающим является первое препятствие (h1_s > h2_s)
-
h1
h2
d1(H1)
d2(H1)
d1(H2)
d2(H2)
v1
v2
52.706
-6.008
6000.006
2000.192
1000.48
1000.005
2.941
-0.581
53.059
-5.655
6000.007
3000.131
1000.48
2000.002
2.564
-0.473
53.412
-5.303
6000.007
4000.101
1000.48
3000.001
2.356
-0.418
53.765
-4.95
6000.008
5000.083
1000.48
4000.001
2.225
-0.378
54.118
-4.597
6000.009
6000.071
1000.48
5000
2.135
-0.344
54.471
-4.244
6000.009
7000.062
1000.48
6000
2.071
-0.313
54.824
-3.891
6000.01
8000.056
1000.48
7000
2.023
-0.284
55.176
-3.538
6000.01
9000.051
1000.48
8000
1.987
-0.256
55.529
-3.185
6000.011
10000.047
1000.48
9000
1.96
-0.229
55.882
-2.832
6000.012
11000.043
1000.48
10000
1.938
-0.203
56.235
-2.479
6000.012
12000.041
1000.48
11000
1.921
-0.177
56.588
-2.126
6000.013
13000.038
1000.48
12000
1.909
-0.151
56.941
-1.773
6000.014
14000.036
1000.48
13000
1.899
-0.126
57.294
-1.42
6000.015
15000.035
1000.48
14000
1.891
-0.1
57.647
-1.067
6000.016
16000.033
1000.48
15000
1.886
-0.075
Величина потерь на дифракцию на клине
-
L1dif
L2dif
Ldif (H1, H2)
22.247
1.37
23.616
21.09
2.16
23.25
20.386
2.578
22.964
19.912
2.891
22.803
19.575
3.16
22.735
19.326
3.406
22.732
19.137
3.64
22.777
18.991
3.867
22.858
18.878
4.089
22.966
18.789
4.307
23.097
18.72
4.525
23.245
18.666
4.741
23.406
18.624
4.956
23.58
18.593
5.171
23.763
18.57
5.385
23.955
Расчеты для Н1 и Н3
-
Н1, м
Н3, м
h1, м
h3, м
h1_s
h3_s
52.706
39.706
22.956
12.331
60735.556
42715.429
53.059
40.059
21.725
10.837
81289.341
45975.806
53.412
40.412
20.812
9.712
95371.487
47577.736
53.765
40.765
20.128
8.856
106509.176
48504.201
54.118
41.118
19.618
8.201
116059.565
49205.882
54.471
41.471
19.24
7.701
124688.278
49910.501
54.824
41.824
18.966
7.324
132764.706
50738.9
55.176
42.176
18.776
7.043
140510.24
51756.277
55.529
42.529
18.654
6.842
148064.803
52997.221
55.882
42.882
18.588
6.706
155520.334
54478.846
56.235
43.235
18.569
6.624
162939.045
56208.057
56.588
43.588
18.588
6.588
170363.991
58185.719
56.941
43.941
18.641
6.591
177825.49
60409.13
57.294
44.294
18.723
6.627
185345.166
62873.521
57.647
44.647
18.829
6.693
192938.576
65572.971