Хмелев, Николай Валерьевич. Синтез цифровых фильтров по переходной функции аналогового прототипа [Электронный ресурс]: дипломный проект: 220301 / Н. В. Хмелев; Санкт-Петербургский политехнический университет Петра Великого, Институт металлургии, машиностроения и транспорта ; науч. рук. А. М. Лихоманов. — Электрон. текстовые дан. (1 файл : 1,83 МБ). — Санкт-Петербург, 2016. — Загл. с титул. экрана. — Доступ по паролю из сети Интернет (чтение, печать, копирование). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/v17-1461.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/v17-1461>.
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Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2017
|
Quarter 1
|
March
|
5
|
0
|
0
|
0
|
5
|
|
Quarter 2
|
April
|
5
|
0
|
0
|
0
|
5
|
|
May
|
3
|
0
|
0
|
0
|
3
|
|
June
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 3
|
July
|
3
|
0
|
0
|
0
|
3
|
|
August
|
1
|
0
|
0
|
0
|
1
|
|
September
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 4
|
October
|
3
|
0
|
0
|
0
|
3
|
|
November
|
0
|
0
|
0
|
0
|
0
|
|
December
|
2
|
0
|
0
|
0
|
2
|
|
Year 2018
|
Quarter 1
|
January
|
1
|
0
|
0
|
0
|
1
|
|
February
|
0
|
0
|
0
|
0
|
0
|
|
March
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 2
|
April
|
4
|
0
|
0
|
0
|
4
|
|
May
|
0
|
0
|
0
|
0
|
0
|
|
June
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
4
|
0
|
0
|
0
|
4
|
|
September
|
5
|
0
|
0
|
0
|
5
|
|
Quarter 4
|
October
|
0
|
0
|
0
|
0
|
0
|
|
November
|
1
|
0
|
0
|
0
|
1
|
|
December
|
2
|
0
|
0
|
0
|
2
|
|
Year 2019
|
Quarter 1
|
January
|
2
|
0
|
0
|
0
|
2
|
|
February
|
2
|
0
|
0
|
0
|
2
|
|
March
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
1
|
0
|
0
|
0
|
1
|
|
June
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 3
|
July
|
2
|
0
|
0
|
0
|
2
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 4
|
October
|
2
|
0
|
0
|
0
|
2
|
|
November
|
2
|
0
|
0
|
0
|
2
|
|
December
|
1
|
0
|
0
|
0
|
1
|
|
Year 2020
|
Quarter 1
|
January
|
1
|
0
|
0
|
0
|
1
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
0
|
0
|
0
|
0
|
0
|
|
June
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
October
|
0
|
0
|
0
|
0
|
0
|
|
November
|
0
|
0
|
0
|
0
|
0
|
|
December
|
0
|
0
|
0
|
0
|
0
|
|
Year 2021
|
Quarter 1
|
January
|
0
|
0
|
0
|
0
|
0
|
|
February
|
1
|
0
|
0
|
0
|
1
|
|
March
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
April
|
0
|
0
|
1
|
0
|
1
|
|
May
|
0
|
0
|
0
|
0
|
0
|
|
June
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
October
|
0
|
0
|
0
|
0
|
0
|
|
November
|
0
|
0
|
0
|
0
|
0
|
|
December
|
0
|
0
|
0
|
0
|
0
|
|
Total
|
60
|
0
|
1
|
0
|
61
|
