ДЕЯКІ ОСОБЛИВОСТІ ПРИНЦИПУ ДІЇ ФАЗОВОГО ДЕТЕКТОРА
DOI:
https://doi.org/10.31319/2519-2884.48.2026.13Ключові слова:
смуга утримання (захоплення), фазова площина, квадратурність, фільтр нижніх частот (ФНЧ), підсилювач постійного струму (ПСС), помилка стеженняАнотація
Метою даної роботи є аналіз деяких особливостей принципу дії синхронно-фазового детектора в сучасній апаратурі. Розглянуто системи фазової автоматичної підлаштування частоти для точної синхронізації гетеродина та детектування частотно-модульованого сигналу, проаналізовано режими роботи синхронно-фазового детектора у режимі захоплення. Визначено сигнал помилки від різниці фаз між напругою сигналу і гетеродином. Також побудована залежність напруги сигналу помилки від частоти та розрахована еквівалентна АЧХ для модулюючих частот синхронно-фазового детектора.
Посилання
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Xiong, F. (2006). Digital Modulation Techniques (2nd ed.). Artech.
Haykin, S. (2014). Digital Communication Systems. John Wiley & Sons.
Miao, G., Zander, J., Sung, K. W., Slimane, B. (2016). Fundamentals of Mobile Data Networks. Cambridge University Press.
Benedetto, S., Biglieri, E. (2008). Principles of Digital Transmission: With Wireless Applica-tions. Springer.
Um, J., Kim, I., Park, S. (2018). A Method for Analyzing Spectral Efficiency using Real-Field Measurement Data. 2018 International Conference on Information and Communication Technol-ogy Convergence (ICTC), 886–888. Doi: 10.1109/ICTC.2018.8539389
Huang, Y.F., Li, C.H., Yang H.J., Hung, H.L. (2014). Performance of an Energy Efficient Band-width Allocation for Wireless Communication Systems. Asian Conference on Intelligent Infor-mation and Database Systems ACIIDS 2014 Part II, 312-322. Doi: 10.1007/978-3-319-05458-2_33
Videv, S., Haas, H. (2011). Energy-Efficient Scheduling and Bandwidth-Energy Efficiency Trade-off with Low Load. 2011 IEEE International Conference on Communications (ICC), 1–5. Doi: 10.1109/icc.2011.5962571
Huang, Y. F., Lin, C. B., Chang, C. C., Li, C. H., Chen, C. M. (2014). Energy Efficiency of Bandwidth Expansion Algorithms in Wireless Communication Systems. Eighth International Con-ference on Innovative Mobile and Internet Services in Ubiquitous Computing, 468–472. Doi: 10.1109/IMIS.2014.67.
Safi, A. Al, Bazuin, B. (2017). Toward digital transmitters with Amplitude Shift Keying and Quadrature Amplitude Modulators implementation examples. 2017 IEEE 7th Annual Computing and Communication Workshop and Conference (CCWC), 1–7. Doi: 10.1109/CCWC.2017.7868397
Sannikov, V., Volchkov, V. (2023). Increase the Spectral Efficiency of a Multi-Frequency Modem due to Non-Orthogonal Compaction of Optimal Narrowband QAM Signals. 2023 Systems of Signal Synchronization, Generating and Processing in Telecommunications, 1–6. Doi: 10.1109/SYNCHROINFO57872.2023.10178648
Solodkov, A., Voronov E., Semenova, A. (2015). 11 bit/s/Hz spectral efficiency modulation scheme for high-speed data links. Internet Technologies and Applications (ITA), 155–159. Doi: 10.1109/ITechA.2015.7317387.
Hamed, A. M., Rao, R. K. (2016). Bandwidth and power efficiency analysis of fading communi-cation link. International Symposium on Performance Evaluation of Computer and Telecommu-nication Systems (SPECTS), 1–7. Doi: 10.1109/SPECTS.2016.7570527.
