Тутыгин, Владимир Семенович. Цифровая обработка сигналов [Электронный ресурс]: учебное пособие / В.С. Тутыгин; Санкт-Петербургский государственный политехнический университет, Институт информационных технологий и управления. — Электрон. текстовые дан. (1 файл: 4,74 Мб). — Санкт-Петербург, 2013. — Загл. с титул. экрана. — Доступ по паролю из сети Интернет (чтение). — Текстовый документ. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/2687.pdf>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2013
|
Quarter 4
|
3
|
0
|
0
|
0
|
3
|
|
Year 2014
|
Quarter 1
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 2
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 3
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 4
|
0
|
0
|
0
|
0
|
0
|
|
Year 2015
|
Quarter 1
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 4
|
6
|
0
|
0
|
0
|
6
|
|
Year 2016
|
Quarter 1
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 2
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
1
|
0
|
0
|
0
|
1
|
|
Year 2017
|
Quarter 1
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
2
|
0
|
0
|
0
|
2
|
|
Year 2018
|
Quarter 1
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 2
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
3
|
0
|
0
|
0
|
3
|
|
Year 2019
|
Quarter 1
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 2
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
1
|
0
|
0
|
0
|
1
|
|
Year 2020
|
Quarter 1
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 2
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
1
|
0
|
0
|
0
|
1
|
|
Year 2021
|
Quarter 1
|
8
|
0
|
0
|
0
|
8
|
|
Quarter 2
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 4
|
2
|
0
|
0
|
0
|
2
|
|
Year 2022
|
Quarter 1
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 2
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
0
|
0
|
0
|
0
|
0
|
|
Year 2023
|
Quarter 1
|
4
|
0
|
0
|
0
|
4
|
|
Quarter 2
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 3
|
0
|
0
|
0
|
0
|
0
|
|
Quarter 4
|
0
|
0
|
0
|
0
|
0
|
|
Total
|
49
|
0
|
0
|
0
|
49
|
