Нгуен, Тхи Хай Ань. Исследование временных, спектральных и энергетических характеристик сигналов с двойной квадратурной фазовой манипуляцией [Электронный ресурс]: выпускная квалификационная работа бакалавра: 11.03.02 - Инфокоммуникационные технологии и системы связи ; 11.03.02_01- Системы мобильной связи / Т. Х. А. Нгуен; Санкт-Петербургский политехнический университет Петра Великого, Институт физики, нанотехнологий и телекоммуникаций ; науч. рук. А. М. Марков. — Электрон. текстовые дан. (1 файл : 1,30 Мб). — Санкт-Петербург, 2018. — 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/v18-5705.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/v18-5705>. — <URL:http://elib.spbstu.ru/dl/2/rev/v18-5705-o.pdf>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2018
|
Quarter 4
|
December
|
2
|
0
|
4
|
0
|
6
|
|
Year 2019
|
Quarter 1
|
January
|
1
|
0
|
2
|
0
|
3
|
|
February
|
4
|
0
|
3
|
0
|
7
|
|
March
|
1
|
0
|
1
|
0
|
2
|
|
Quarter 2
|
April
|
1
|
0
|
3
|
0
|
4
|
|
May
|
1
|
0
|
1
|
0
|
2
|
|
June
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 3
|
July
|
0
|
0
|
0
|
0
|
0
|
|
August
|
1
|
0
|
5
|
0
|
6
|
|
September
|
0
|
0
|
1
|
0
|
1
|
|
Quarter 4
|
October
|
2
|
0
|
2
|
0
|
4
|
|
November
|
2
|
0
|
5
|
0
|
7
|
|
December
|
0
|
0
|
8
|
0
|
8
|
|
Year 2020
|
Quarter 1
|
January
|
2
|
0
|
8
|
0
|
10
|
|
February
|
4
|
0
|
10
|
0
|
14
|
|
March
|
1
|
0
|
2
|
0
|
3
|
|
Quarter 2
|
April
|
0
|
0
|
0
|
0
|
0
|
|
May
|
1
|
0
|
0
|
0
|
1
|
|
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
|
0
|
0
|
0
|
0
|
0
|
|
March
|
1
|
0
|
0
|
0
|
1
|
|
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
|
26
|
0
|
56
|
0
|
82
|
