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I/Q imbalance calibration using a genetic algorithm approach [Электронный ресурс] / Huang Jia-jun [et al.]. — Электрон. текстовые дан. (1 файл : 884 Кб) // The First Joint International Conference on Astrophysics for Young Scientists (JICA) [Электронный ресурс]: Oktober 3-7, 2017, Byurakan, Armenia: [book of proceedings]. – Saint-Petersburg, 2017. — (Section Signal Processing, Systems Simulation and Complex objects control for Space Applications). — Загл. с титул. экрана. — Электронная версия печатной публикации. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/k17-51.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/k17-51>.

Record create date: 12/22/2017

Subject: Радиопередатчики; genetic algorithm; I/Q imbalance; I/Q imbalance calibration; transponder; transmitter

UDC: 621.396.61(063)

Collections: Общая коллекция

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Zero-IF architecture is one of the most integrated transmitter architecture, but I/Q imbalance can affect the transmitting performance and produce an unwanted mirror signal. To solve this problem, this paper proposes a calibration method of I/Q imbalance based on genetic algorithm (GA), which combines the additional loop-back path in the transmitter radio frequency (RF) end. In the digital baseband, the compensation parameters can be rapidly searched by using the global search capability of GA and the feedback information from loop-back path. The transmitting signal will be pre-compensated by using the obtained compensation parameters, so that I/Q imbalance can be calibrated.

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