Радиотехнические цепи и сигналы (базовый курс) [Электронный ресурс]: учебное пособие / А. С. Черепанов [и др.]; Санкт-Петербургский политехнический университет Петра Великого. — Электрон. текстовые дан. (1 файл : 2,45 Мб). — Санкт-Петербург, 2019. — Загл. с титул. экрана. — Доступ по паролю из сети Интернет (чтение, печать). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/s19-79.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/s19-79>.
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
Year 2019
|
Quarter 2
|
May
|
19
|
5
|
0
|
0
|
24
|
June
|
29
|
3
|
0
|
0
|
32
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
August
|
0
|
0
|
0
|
0
|
0
|
September
|
2
|
0
|
0
|
0
|
2
|
Quarter 4
|
October
|
3
|
1
|
0
|
0
|
4
|
November
|
0
|
0
|
0
|
0
|
0
|
December
|
2
|
0
|
0
|
0
|
2
|
Year 2020
|
Quarter 1
|
January
|
12
|
0
|
0
|
0
|
12
|
February
|
32
|
3
|
0
|
0
|
35
|
March
|
15
|
3
|
0
|
0
|
18
|
Quarter 2
|
April
|
36
|
1
|
0
|
0
|
37
|
May
|
35
|
0
|
0
|
0
|
35
|
June
|
51
|
9
|
0
|
0
|
60
|
Quarter 3
|
July
|
29
|
0
|
0
|
0
|
29
|
August
|
23
|
0
|
0
|
0
|
23
|
September
|
29
|
0
|
0
|
0
|
29
|
Quarter 4
|
October
|
35
|
1
|
0
|
0
|
36
|
November
|
4
|
1
|
0
|
0
|
5
|
December
|
9
|
2
|
0
|
0
|
11
|
Year 2021
|
Quarter 1
|
January
|
14
|
2
|
0
|
0
|
16
|
February
|
11
|
3
|
0
|
0
|
14
|
March
|
7
|
3
|
0
|
0
|
10
|
Quarter 2
|
April
|
8
|
1
|
0
|
0
|
9
|
May
|
29
|
5
|
0
|
0
|
34
|
June
|
16
|
0
|
0
|
0
|
16
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
August
|
2
|
0
|
0
|
0
|
2
|
September
|
2
|
0
|
0
|
0
|
2
|
Quarter 4
|
October
|
1
|
0
|
0
|
0
|
1
|
November
|
5
|
0
|
0
|
0
|
5
|
December
|
0
|
0
|
0
|
0
|
0
|
Year 2022
|
Quarter 1
|
January
|
2
|
0
|
0
|
0
|
2
|
February
|
33
|
8
|
0
|
0
|
41
|
March
|
17
|
5
|
0
|
0
|
22
|
Quarter 2
|
April
|
18
|
4
|
0
|
0
|
22
|
May
|
45
|
3
|
0
|
0
|
48
|
June
|
48
|
7
|
0
|
0
|
55
|
Quarter 3
|
July
|
10
|
3
|
0
|
0
|
13
|
August
|
10
|
0
|
0
|
0
|
10
|
September
|
9
|
1
|
0
|
0
|
10
|
Quarter 4
|
October
|
2
|
0
|
0
|
0
|
2
|
November
|
2
|
0
|
0
|
0
|
2
|
December
|
1
|
0
|
0
|
0
|
1
|
Year 2023
|
Quarter 1
|
January
|
5
|
1
|
0
|
0
|
6
|
February
|
66
|
11
|
0
|
0
|
77
|
March
|
33
|
6
|
0
|
0
|
39
|
Quarter 2
|
April
|
26
|
3
|
0
|
0
|
29
|
May
|
55
|
0
|
0
|
0
|
55
|
June
|
163
|
9
|
0
|
0
|
172
|
Quarter 3
|
July
|
4
|
2
|
0
|
0
|
6
|
August
|
2
|
0
|
0
|
0
|
2
|
September
|
21
|
0
|
0
|
0
|
21
|
Quarter 4
|
October
|
8
|
1
|
0
|
0
|
9
|
November
|
9
|
0
|
0
|
0
|
9
|
December
|
2
|
0
|
0
|
0
|
2
|
Year 2024
|
Quarter 1
|
January
|
5
|
1
|
0
|
0
|
6
|
February
|
28
|
2
|
0
|
0
|
30
|
March
|
14
|
1
|
0
|
0
|
15
|
Total
|
1,098
|
111
|
0
|
0
|
1,209
|